joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4012a0
Capabilities:
Delete file
Get common file path

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x23c
mov eax, dword [0x41c060]
xor eax, esp
mov dword [esp + 0x238], eax
push ebx
push esi
push edi
xor ebx, ebx
push ebx
push ebx
push ebx
push ebx
call dword [sym.imp.USER32.dll_DefWindowProcA]
mov edi, dword [sym.imp.KERNEL32.dll_LoadLibraryA]
push 0x418e9c
call edi
cmp eax, ebx
mov dword [esp + 0x10], eax
mov byte [esp + 0x138], bl
jne 0x401343
lea eax, [esp + 0x30]
push eax
push 0x104
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
lea ecx, [esp + 0x30]
push ecx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea edx, [esp + 0x30]
sub edx, 1
cmp byte [eax + edx], 0x5c
je 0x40131b
push 0x418ea8
lea esi, [esp + 0x34]
call fcn.00404c20
push str.Gdiplus.dll
lea esi, [esp + 0x34]
call fcn.00404c20
mov edx, dword [0x41da68]
mov eax, esi
push eax
call fcn.00404b00
add esp, 4
mov ecx, esi
push ecx
call edi
mov dword [esp + 0x10], eax
push ebx
lea edx, [esp + 0x24]
push edx
lea eax, [esp + 0x1c]
push eax
mov dword [esp + 0x2c], 1
mov dword [esp + 0x30], ebx
mov dword [esp + 0x34], ebx
mov dword [esp + 0x38], ebx
call sub.gdiplus.dll_GdiplusStartup
lea ecx, [esp + 0x18]
push ecx
mov dword [esp + 0x1c], 8
mov dword [esp + 0x20], 0x404
call dword [sym.imp.COMCTL32.dll_InitCommonControlsEx]
call fcn.00404a00
mov edx, dword [ebp + 0x14]
push edx
call fcn.00401060
mov edi, eax
mov eax, dword [esp + 0x18]
add esp, 4
push eax
call sub.gdiplus.dll_GdiplusShutdown
call fcn.00404820
mov esi, dword [0x41e66c]
cmp esi, ebx
je 0x4013de
mov eax, dword [esi]
cmp eax, ebx
je 0x4013bf
push eax
call fcn.0040961f
add esp, 4
mov dword [esi], ebx
mov eax, dword [esi + 4]
cmp eax, ebx
je 0x4013d2
push eax
call fcn.0040961f
add esp, 4
mov dword [esi + 4], ebx
push esi
mov dword [esi + 8], ebx
call fcn.0040961a
add esp, 4
call fcn.004048f0
mov eax, dword [esp + 0x10]
cmp eax, ebx
je 0x4013f2
push eax
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
cmp byte [esp + 0x138], bl
je 0x401409
lea ecx, [esp + 0x138]
push ecx
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
mov ecx, dword [esp + 0x244]
mov eax, edi
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.00409967
mov esp, ebp
pop ebp
ret 0x10
Function at 0x4037c0
Capabilities:
Set registry value

Disassembly:
push ebp
mov ebp, dword [esp + 0x10]
test ebp, ebp
jne 0x4037d3
push 0x80004005
call fcn.00404780
push ebx
mov ebx, dword [sym.imp.KERNEL32.dll_lstrlenA]
push esi
push edi
xor edi, edi
mov esi, ebp
push esi
call ebx
add eax, 1
add esi, eax
add edi, eax
cmp eax, 1
jne 0x4037e0
mov eax, dword [esp + 0x18]
mov ecx, dword [esp + 0x14]
mov edx, dword [ecx]
push edi
push ebp
push 7
push 0
push eax
push edx
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
pop edi
pop esi
pop ebx
pop ebp
ret 0xc

Function at 0x403950
Capabilities:
Delete registry key
Query or enumerate registry key

Disassembly:
sub esp, 0x124
mov eax, dword [0x41c060]
xor eax, esp
mov dword [esp + 0x120], eax
push ebp
push esi
push edi
mov edi, dword [esp + 0x134]
mov ebp, ecx
mov eax, dword [ebp]
lea ecx, [esp + 0x18]
push ecx
push 0x2001f
push 0
push edi
push eax
mov dword [esp + 0x30], edi
mov dword [esp + 0x24], 0
mov dword [esp + 0x2c], 0
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
mov ecx, dword [esp + 0x10]
mov esi, eax
test esi, esi
jne 0x4039be
test ecx, ecx
je 0x4039b0
push ecx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
test eax, eax
mov ecx, dword [esp + 0x18]
mov esi, eax
mov dword [esp + 0x10], ecx
je 0x4039cc
test ecx, ecx
je 0x403a71
push ecx
jmp 0x403a6b
mov esi, dword [sym.imp.ADVAPI32.dll_RegEnumKeyExA]
lea edx, [esp + 0x20]
push edx
push 0
push 0
push 0
lea eax, [esp + 0x24]
push eax
lea edx, [esp + 0x3c]
push edx
push 0
push ecx
mov dword [esp + 0x34], 0x100
call esi
test eax, eax
jne 0x403a3e
jmp 0x403a00
lea eax, [esp + 0x28]
push eax
lea ecx, [esp + 0x14]
call fcn.00403950
mov edi, eax
test edi, edi
jne 0x403a8d
lea ecx, [esp + 0x20]
push ecx
mov ecx, dword [esp + 0x14]
push eax
push eax
push eax
lea edx, [esp + 0x24]
push edx
lea eax, [esp + 0x3c]
push eax
push edi
push ecx
mov dword [esp + 0x34], 0x100
call esi
test eax, eax
je 0x403a00
mov edi, dword [esp + 0x1c]
mov eax, dword [esp + 0x10]
test eax, eax
je 0x403a55
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov dword [esp + 0x10], 0
mov edx, dword [ebp]
push edi
push edx
call dword [sym.imp.ADVAPI32.dll_RegDeleteKeyA]
mov esi, eax
mov eax, dword [esp + 0x10]
test eax, eax
je 0x403a71
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, esi
mov ecx, dword [esp + 0x12c]
pop edi
pop esi
pop ebp
xor ecx, esp
call fcn.00409967
add esp, 0x124
ret 4
mov eax, dword [esp + 0x10]
test eax, eax
je 0x403a9c
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, edi
jmp 0x403a73
Function at 0x404b00
Capabilities:
Write file on windows

Disassembly:
sub esp, 0xc
push esi
push edi
lea eax, [esp + 0xc]
push eax
lea ecx, [esp + 0x14]
push ecx
mov eax, 0x418eb8
mov ecx, 0x90
mov edi, edx
call fcn.00404ba0
mov edi, eax
add esp, 8
test edi, edi
jne 0x404b8a
mov edx, dword [esp + 0x18]
push eax
push 0x80
push 2
push eax
push 1
push 0x40000000
push edx
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov esi, eax
cmp esi, 0xffffffff
jne 0x404b57
call dword [sym.imp.KERNEL32.dll_GetLastError]
pop edi
pop esi
add esp, 0xc
ret
mov ecx, dword [esp + 0xc]
mov edx, dword [esp + 0x10]
push 0
lea eax, [esp + 0xc]
push eax
push ecx
push edx
push esi
mov dword [esp + 0x1c], 0
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
jne 0x404b83
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov edi, eax
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, edi
pop edi
pop esi
add esp, 0xc
ret

Function at 0x404ba0
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push esi
push eax
push ecx
push edi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
mov esi, eax
test esi, esi
jne 0x404bc6
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jle 0x404c12
and eax, 0xffff
or eax, 0x80070000
pop esi
ret
push ebx
push esi
push edi
call dword [sym.imp.KERNEL32.dll_SizeofResource]
mov ebx, eax
test ebx, ebx
je 0x404bec
push esi
push edi
call dword [sym.imp.KERNEL32.dll_LoadResource]
test eax, eax
je 0x404bec
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
test eax, eax
jne 0x404c03
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jle 0x404c11
and eax, 0xffff
pop ebx
or eax, 0x80070000
pop esi
ret
mov edx, dword [esp + 0xc]
mov dword [edx], eax
mov eax, dword [esp + 0x10]
mov dword [eax], ebx
xor eax, eax
pop ebx
pop esi
ret
Function at 0x4054b0
Capabilities:
Create process on windows

Disassembly:
cmp byte [0x41d5f2], 0
je 0x4054e7
mov eax, dword [esp + 4]
push 5
push 0
push 0
push eax
push str.open
push 0
mov byte [0x41d5f2], 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
cmp eax, 0x20
jle 0x4054e0
mov al, 1
ret
mov byte [0x41d5f2], 1
xor al, al
ret
Function at 0x408fa6
Capabilities:
Check os version

Disassembly:
push ebp
lea ebp, [esp - 0x78]
sub esp, 0x98
mov eax, dword [0x41c060]
xor eax, ebp
mov dword [ebp + 0x74], eax
push esi
mov esi, ecx
call fcn.00408f3b
mov eax, 0x400000
push 0x94
mov dword [esi + 8], eax
mov dword [esi + 4], eax
lea eax, [ebp - 0x20]
push 0
push eax
mov dword [esi], 0x3c
mov byte [esi + 0xc], 0
call fcn.0040a1a0
add esp, 0xc
lea eax, [ebp - 0x20]
push eax
mov dword [ebp - 0x20], 0x94
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
cmp dword [ebp - 0x10], 2
jne 0x408ff5
cmp dword [ebp - 0x1c], 5
jb 0x40900d
jmp 0x409009
cmp dword [ebp - 0x10], 1
jne 0x40900d
cmp dword [ebp - 0x1c], 4
ja 0x409009
jne 0x40900d
cmp dword [ebp - 0x18], 0
jbe 0x40900d
mov byte [esi + 0xc], 1
lea ecx, [esi + 0x18]
mov dword [esi + 0x10], 0x800
mov dword [esi + 0x14], 0x41734c
call fcn.004047a0
test eax, eax
jge 0x40902e
mov byte [0x41e5d0], 1
mov ecx, dword [ebp + 0x74]
mov eax, esi
xor ecx, ebp
pop esi
call fcn.00409967
add ebp, 0x78
leave
ret

Function at 0x409267
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call

Disassembly:
cmp dword [0x41daf0], 0
push esi
jne 0x4091da
call fcn.00409105
test eax, eax
je 0x40921d
mov eax, dword [0x41daf0]
cmp eax, 1
jne 0x4091fb
push 0xd
push 0
call dword [sym.imp.KERNEL32.dll_GetProcessHeap]
push eax
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
test eax, eax
je 0x40921d
pop esi
ret
push eax
call dword [0x41daf8]
test eax, eax
jne 0x409265
push 0x40
mov eax, 0x1000
push eax
push eax
push 0
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov esi, eax
test esi, esi
jne 0x409221
xor eax, eax
pop esi
ret
mov eax, dword [esi]
push edi
push dword [0x41daf0]
call dword [0x41daf8]
mov edi, eax
test edi, edi
je 0x409248
push 0x8000
push 0
push esi
call dword [sym.imp.KERNEL32.dll_VirtualFree]
mov eax, edi
jmp 0x409264
lea edi, [esi + 0xff0]
push esi
push dword [0x41daf0]
call dword [0x41daf4]
add esi, 0x10
cmp esi, edi
jb 0x40924e
mov eax, esi
pop edi
pop esi
ret
jmp 0x4091c7

Function at 0x409967
Capabilities:
Terminate process

Disassembly:
cmp ecx, dword [0x41c060]
jne 0x409971
repz ret
jmp fcn.0040bf0b
Function at 0x40b968
Capabilities:
Write file on windows

Disassembly:
push ecx
push ebx
mov ebx, dword [esp + 0xc]
push esi
push edi
xor esi, esi
xor edi, edi
cmp ebx, dword [edi*8 + 0x41c310]
je 0x40b983
inc edi
cmp edi, 0x17
jb 0x40b974
cmp edi, 0x17
jae 0x40bb03
push ebp
push 3
call fcn.004104dd
cmp eax, 1
pop ecx
je 0x40bacf
push 3
call fcn.004104dd
test eax, eax
pop ecx
jne 0x40b9b7
cmp dword [0x41c05c], 1
je 0x40bacf
cmp ebx, 0xfc
je 0x40bb02
push 0x417a30
mov ebx, 0x314
push ebx
mov ebp, 0x41dcc0
push ebp
call fcn.00409ee8
add esp, 0xc
test eax, eax
je 0x40b9ed
push esi
push esi
push esi
push esi
push esi
call fcn.0040b3dc
add esp, 0x14
push 0x104
mov esi, 0x41dcd9
push esi
push 0
mov byte [0x41dddd], 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
test eax, eax
jne 0x40ba31
push 0x417a18
push 0x2fb
push esi
call fcn.00409ee8
add esp, 0xc
test eax, eax
je 0x40ba31
xor eax, eax
push eax
push eax
push eax
push eax
push eax
call fcn.0040b3dc
add esp, 0x14
push esi
call fcn.0040f2a0
inc eax
cmp eax, 0x3c
pop ecx
jbe 0x40ba76
push esi
call fcn.0040f2a0
sub esi, 0x3b
add eax, esi
push 3
mov ecx, 0x41dfd4
push 0x417a14
sub ecx, eax
push ecx
push eax
call fcn.0041042a
add esp, 0x14
test eax, eax
je 0x40ba76
xor esi, esi
push esi
push esi
push esi
push esi
push esi
call fcn.0040b3dc
add esp, 0x14
jmp 0x40ba78
xor esi, esi
push 0x417a10
push ebx
push ebp
call fcn.004103b9
add esp, 0xc
test eax, eax
je 0x40ba98
push esi
push esi
push esi
push esi
push esi
call fcn.0040b3dc
add esp, 0x14
push dword [edi*8 + 0x41c314]
push ebx
push ebp
call fcn.004103b9
add esp, 0xc
test eax, eax
je 0x40baba
push esi
push esi
push esi
push esi
push esi
call fcn.0040b3dc
add esp, 0x14
push 0x12010
push 0x4179e8
push ebp
call fcn.004101fc
add esp, 0xc
jmp 0x40bb02
push 0xfffffffffffffff4
call dword [sym.imp.KERNEL32.dll_GetStdHandle]
mov ebp, eax
cmp ebp, esi
je 0x40bb02
cmp ebp, 0xffffffff
je 0x40bb02
push 0
lea eax, [esp + 0x14]
push eax
lea esi, [edi*8 + 0x41c314]
push dword [esi]
call fcn.0040f2a0
pop ecx
push eax
push dword [esi]
push ebp
call dword [sym.imp.KERNEL32.dll_WriteFile]
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret
Function at 0x4101fc
Capabilities:
Link many functions at runtime

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
push ebx
push esi
push edi
call fcn.0040c94c
xor ebx, ebx
cmp dword [0x41e4a4], ebx
mov dword [ebp - 8], eax
mov dword [ebp - 4], ebx
mov dword [ebp - 0xc], ebx
mov dword [ebp - 0x10], ebx
jne 0x4102d2
push str.USER32.DLL
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
cmp edi, ebx
je 0x4103b2
mov esi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push 0x417c5c
push edi
call esi
cmp eax, ebx
je 0x4103b2
push eax
call fcn.0040c8de
mov dword [esp], 0x417c4c
push edi
mov dword [0x41e4a4], eax
call esi
push eax
call fcn.0040c8de
mov dword [esp], 0x417c38
push edi
mov dword [0x41e4a8], eax
call esi
push eax
call fcn.0040c8de
mov dword [0x41e4ac], eax
lea eax, [ebp - 0xc]
push eax
call fcn.0040b6f5
test eax, eax
pop ecx
pop ecx
je 0x4102a0
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0040b3dc
add esp, 0x14
cmp dword [ebp - 0xc], 2
jne 0x4102d2
push 0x417c1c
push edi
call esi
push eax
call fcn.0040c8de
cmp eax, ebx
pop ecx
mov dword [0x41e4b4], eax
je 0x4102d2
push 0x417c04
push edi
call esi
push eax
call fcn.0040c8de
pop ecx
mov dword [0x41e4b0], eax
mov eax, dword [0x41e4b0]
mov ecx, dword [ebp - 8]
cmp eax, ecx
je 0x410357
cmp dword [0x41e4b4], ecx
je 0x410357
push eax
call fcn.0040c955
push dword [0x41e4b4]
mov esi, eax
call fcn.0040c955
cmp esi, ebx
pop ecx
pop ecx
mov edi, eax
je 0x410357
cmp edi, ebx
je 0x410357
call esi
cmp eax, ebx
je 0x410324
lea ecx, [ebp - 0x14]
push ecx
push 0xc
lea ecx, [ebp - 0x20]
push ecx
push 1
push eax
call edi
test eax, eax
je 0x410324
test byte [ebp - 0x18], 1
jne 0x410357
lea eax, [ebp - 0x10]
push eax
call fcn.0040b72c
test eax, eax
pop ecx
je 0x41033f
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0040b3dc
add esp, 0x14
cmp dword [ebp - 0x10], 4
jb 0x41034e
or dword [ebp + 0x10], 0x200000
jmp 0x410392
or dword [ebp + 0x10], 0x40000
jmp 0x410392
mov eax, dword [0x41e4a8]
cmp eax, dword [ebp - 8]
je 0x410392
push eax
call fcn.0040c955
cmp eax, ebx
pop ecx
je 0x410392
call eax
cmp eax, ebx
mov dword [ebp - 4], eax
je 0x410392
mov eax, dword [0x41e4ac]
cmp eax, dword [ebp - 8]
je 0x410392
push eax
call fcn.0040c955
cmp eax, ebx
pop ecx
je 0x410392
push dword [ebp - 4]
call eax
mov dword [ebp - 4], eax
push dword [0x41e4a4]
call fcn.0040c955
cmp eax, ebx
pop ecx
je 0x4103b2
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
push dword [ebp - 4]
call eax
jmp 0x4103b4
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret
Function at 0x1000feb0
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x10097a1b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x180
push ebx
push ebp
mov ebp, ecx
lea ecx, [esp + 8]
lea eax, [ebp + 0x40]
push eax
call fcn.1008ca5f
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x1000ff32
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.1008a971
mov eax, dword [eax]
push 0x100b7c60
push eax
call fcn.1007cc04
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.1008ccea
test bl, bl
je 0x1000ff32
push 0x100b7c60
lea ecx, [esp + 0xc]
call fcn.1008d07a
push 0x100b7c6c
lea ecx, [esp + 0xc]
call fcn.1008d07a
mov ecx, dword [esp + 8]
lea eax, [esp + 0x48]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_FindFirstFileA]
cmp eax, 0xffffffff
mov dword [esp + 0xc], eax
jne 0x1000ff6e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.1008ccea
jmp 0x10010039
push esi
mov esi, dword [esp + 0x19c]
push edi
mov edi, dword [sym.imp.USER32.dll_SendMessageA]
mov ebx, 0x23
test byte [esp + 0x50], 0x10
je 0x1000fff2
lea edx, [esp + 0x7c]
push 0x100b7c68
push edx
call fcn.1007cc04
add esp, 8
test eax, eax
je 0x1000fff2
lea eax, [esp + 0x7c]
push 0x100b7c64
push eax
call fcn.1007cc04
add esp, 8
test eax, eax
je 0x1000fff2
mov eax, dword [ebp + 0x1c]
lea edx, [esp + 0x1c]
push edx
push 0
lea ecx, [esp + 0x84]
push 0x1100
push eax
mov dword [esp + 0x2c], esi
mov dword [esp + 0x30], 0xffff0003
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 1
mov dword [esp + 0x44], ecx
mov dword [esp + 0x34], ebx
call edi
mov edx, dword [esp + 0x14]
lea ecx, [esp + 0x50]
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_FindNextFileA]
test eax, eax
jne 0x1000ff82
mov eax, dword [esp + 0x14]
push eax
call dword [sym.imp.KERNEL32.dll_FindClose]
mov ecx, dword [ebp + 0x1c]
push esi
push 2
push 0x1102
push ecx
call edi
lea ecx, [esp + 0x10]
mov dword [esp + 0x198], 0xffffffff
call fcn.1008ccea
pop edi
pop esi
mov ecx, dword [esp + 0x188]
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x18c
ret 4

Function at 0x10010830
Capabilities:
Query or enumerate registry value

Disassembly:
mov ecx, dword [esp + 8]
mov edx, dword [esp + 4]
sub esp, 0x10c
lea eax, [esp]
push esi
push eax
push 1
push 0
push ecx
push edx
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
mov esi, eax
test esi, esi
jne 0x10010892
mov edx, dword [esp + 4]
lea eax, [esp + 8]
lea ecx, [esp + 0xc]
push eax
push ecx
push esi
push edx
mov dword [esp + 0x18], 0x104
call dword [sym.imp.ADVAPI32.dll_RegQueryValueA]
mov ecx, dword [esp + 0x11c]
lea eax, [esp + 0xc]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_lstrcpyA]
mov edx, dword [esp + 4]
push edx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, esi
pop esi
add esp, 0x10c
ret 0xc
Function at 0x100108a0
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x10097a9b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x100c7040]
push esi
push edi
mov edi, ecx
mov dword [esp + 8], eax
mov eax, dword [edi + 0x44]
mov dword [esp + 0x21c], 0
test eax, eax
jne 0x100109d8
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x10010906
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.1008ccea
xor eax, eax
jmp 0x10010a4f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.1008ce27
push esi
lea ecx, [esp + 0xc]
call fcn.1008d0b6
mov ecx, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0x22c]
push ebp
push 0
push 0
push ecx
push str.open
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov esi, eax
cmp esi, 0x20
ja 0x10010a2d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push closesocket
call fcn.10010830
test eax, eax
jne 0x10010a2d
mov ebx, dword [sym.imp.KERNEL32.dll_lstrcatA]
lea eax, [esp + 0x14]
push str._shellopencommand
push eax
call ebx
lea ecx, [esp + 0x14]
lea edx, [esp + 0x14]
push ecx
push edx
push closesocket
mov ecx, edi
call fcn.10010830
test eax, eax
jne 0x10010a2d
lea eax, [esp + 0x14]
push 0x100b7c7c
push eax
call fcn.1007dc80
mov esi, eax
add esp, 8
test esi, esi
jne 0x10010a0c
lea ecx, [esp + 0x14]
push 0x100b7c78
push ecx
call fcn.1007dc00
mov esi, eax
add esp, 8
test esi, esi
jne 0x10010a0c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x10010a0f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.1008cdd7
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x1001091e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.1008ccea
xor eax, eax
jmp 0x10010a4f
mov byte [esi], 0
push 0x100b7c74
push esi
call ebx
mov eax, dword [esp + 0x10]
push eax
push esi
call ebx
lea ecx, [esp + 0x14]
push ebp
push ecx
call dword [sym.imp.KERNEL32.dll_WinExec]
mov esi, eax
xor edx, edx
cmp esi, 0x20
setg dl
lea ecx, [esp + 0x10]
mov esi, edx
mov dword [esp + 0x224], 0xffffffff
call fcn.1008ccea
pop ebp
mov eax, esi
pop ebx
mov ecx, dword [esp + 0x214]
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x218
ret 4
Function at 0x1001fcc0
Capabilities:
Log keystrokes via polling

Disassembly:
mov eax, dword [esp + 4]
push esi
push edi
mov edi, dword [sym.imp.USER32.dll_GetKeyState]
mov cl, byte [eax + 8]
and ecx, 0xff
mov esi, ecx
cmp si, 0x60
jb 0x1001fd2e
cmp si, 0x69
ja 0x1001fd2e
add esi, 0xffd0
cmp si, 0x11
je 0x1001fcfe
push 0x11
call edi
test ax, ax
jge 0x1001fcfe
or esi, 0x2000
cmp si, 0x10
je 0x1001fd13
push 0x10
call edi
test ax, ax
jge 0x1001fd13
or esi, 0x4000
cmp si, 0x12
je 0x1001fd28
push 0x12
call edi
test ax, ax
jge 0x1001fd28
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x1001fd3b
mov esi, 0xbd
jmp 0x1001fcef
cmp si, 0x6e
jne 0x1001fd48
mov esi, 0xbe
jmp 0x1001fcef
cmp si, 0x6f
jne 0x1001fce9
mov esi, 0xbf
jmp 0x1001fcef

Function at 0x10021520
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x100d7778]
xor edx, edx
cmp eax, edx
jne 0x10021546
xor eax, eax
mov byte [eax + 0x100d7678], al
inc eax
cmp eax, 0x100
jl 0x1002152e
mov dword [0x100d7778], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x100d7678
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x100215d7
xor esi, esi
push ebp
mov byte [esp + 0x20], dl
xor ecx, ecx
mov edi, dword [esp + 0x20]
mov ebp, dword [esp + 0x18]
mov al, byte [esi + ebx]
and edi, 0xff
xor edx, edx
mov dl, byte [edi + ebp]
mov ebp, eax
and ebp, 0xff
add ecx, edx
add ecx, ebp
and ecx, 0x800000ff
jns 0x100215aa
dec ecx
or ecx, 0xffffff00
inc ecx
mov byte [esp + 0x10], cl
mov ecx, dword [esp + 0x10]
and ecx, 0xff
mov dl, byte [ecx + ebx]
mov byte [esi + ebx], dl
mov byte [ecx + ebx], al
lea eax, [edi + 1]
cdq
idiv dword [esp + 0x1c]
inc esi
cmp esi, 0x100
mov byte [esp + 0x20], dl
jl 0x10021578
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x100215e0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov eax, dword [ebp + 0x10]
push ebx
push esi
push edi
mov cl, byte [eax + 0x100]
mov dl, byte [eax + 0x101]
mov dword [ebp - 8], eax
mov byte [ebp - 1], cl
mov byte [ebp - 2], dl
xor ebx, ebx
mov bl, byte [ebp - 1]
xor edx, edx
mov dl, byte [ebp - 2]
mov esi, dword [ebp - 8]
mov edi, dword [ebp + 8]
xor eax, eax
mov ecx, dword [ebp + 0xc]
test ecx, ecx
jle 0x10021633
inc bl
mov al, byte [esi + ebx]
add dl, al
xchg byte [esi + edx], al
mov byte [esi + ebx], al
add al, byte [esi + edx]
mov al, byte [esi + eax]
xor byte [edi], al
inc edi
dec ecx
jne 0x1002161a
mov byte [ebp - 1], bl
mov byte [ebp - 2], dl
mov eax, dword [ebp + 0x10]
mov cl, byte [ebp - 1]
mov dl, byte [ebp - 2]
pop edi
pop esi
mov byte [eax + 0x100], cl
mov byte [eax + 0x101], dl
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x10028670
Capabilities:
Enumerate pe sections

Disassembly:
sub esp, 0x18
mov eax, dword [esp + 0x1c]
push ebx
push ebp
push esi
xor esi, esi
xor ecx, ecx
mov si, word [eax + 8]
mov cx, word [eax + 4]
xor ebp, ebp
xor edx, edx
mov bp, word [eax + 0xa]
mov dx, word [eax + 6]
sub esi, ecx
sub ebp, edx
inc esi
xor ebx, ebx
inc ebp
cmp esi, ebx
mov dword [esp + 0x14], esi
jle 0x10028808
cmp ebp, ebx
jle 0x10028808
mov eax, esi
push edi
cdq
and edx, 7
add eax, edx
mov edi, eax
mov eax, esi
sar edi, 3
and eax, 0x80000007
mov dword [esp + 0x10], edi
jns 0x100286ce
dec eax
or eax, 0xfffffff8
inc eax
je 0x100286d5
inc edi
mov dword [esp + 0x10], edi
mov ecx, edi
and ecx, reloc.WS2_32.dll_accept
jns 0x100286e4
dec ecx
or ecx, 0xfffffffe
inc ecx
je 0x100286eb
inc edi
mov dword [esp + 0x10], edi
push 0x18
call fcn.1008ca2b
add esp, 4
cmp eax, ebx
je 0x1002870c
mov dword [eax], ebx
mov dword [eax + 4], ebx
mov dword [eax + 8], ebx
mov dword [eax + 0xc], ebx
mov dword [eax + 0x10], ebx
mov dword [eax + 0x14], ebx
mov ebx, eax
mov eax, edi
mov dword [esp + 0x14], ebx
imul eax, ebp
push eax
mov dword [ebx], 7
mov dword [ebx + 4], esi
mov dword [ebx + 8], ebp
mov dword [ebx + 0x14], eax
call fcn.1008ca2b
mov ecx, dword [ebx + 0x14]
mov edi, eax
mov edx, ecx
xor eax, eax
shr ecx, 2
mov dword [ebx + 0x10], edi
add esp, 4
rep stosd dword es:[edi], eax
mov ecx, edx
and ecx, 3
rep stosb byte es:[edi], al
mov eax, dword [esp + 0x2c]
test ebp, ebp
lea edx, [eax + 0x80]
jle 0x100287fe
xor eax, eax
mov dword [esp + 0x20], ebp
mov dword [esp + 0x1c], eax
mov ebp, dword [ebx + 0x10]
xor ecx, ecx
add ebp, eax
mov dword [esp + 0x2c], ecx
test esi, esi
jle 0x100287e5
mov al, byte [edx]
cmp al, 0xc0
jbe 0x100287d1
and eax, 0xff
sub eax, 0xc0
inc edx
mov esi, eax
mov dword [esp + 0x24], edx
cmp esi, 1
jle 0x100287c6
xor eax, eax
mov ecx, esi
mov al, byte [edx]
mov edx, ecx
mov bl, al
mov edi, ebp
mov bh, bl
dec esi
mov eax, ebx
shl eax, 0x10
mov ax, bx
mov ebx, dword [esp + 0x14]
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, edx
mov edx, dword [esp + 0x24]
and ecx, 3
add ebp, esi
rep stosb byte es:[edi], al
mov eax, dword [esp + 0x2c]
lea ecx, [eax + esi*8]
mov esi, dword [esp + 0x18]
jmp 0x100287d4
mov al, byte [edx]
mov esi, dword [esp + 0x18]
mov byte [ebp], al
jmp 0x100287d4
mov byte [ebp], al
inc ebp
add ecx, 8
inc edx
cmp ecx, esi
mov dword [esp + 0x2c], ecx
jl 0x10028770
mov eax, dword [esp + 0x1c]
mov edi, dword [esp + 0x10]
mov ecx, dword [esp + 0x20]
add eax, edi
dec ecx
mov dword [esp + 0x1c], eax
mov dword [esp + 0x20], ecx
jne 0x10028761
pop edi
pop esi
mov eax, ebx
pop ebp
pop ebx
add esp, 0x18
ret
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x18
ret