joyce8/EMBER2024-capa huggingface dataset:
Function at 0x41c430
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
cmp dword [ebp + 0xc], 0
jne 0x41c440
xor eax, eax
jmp 0x41c5dd
mov eax, dword [ebp + 8]
xor eax, 0xffffffff
mov dword [ebp + 8], eax
cmp dword [ebp + 0x10], 8
jb 0x41c59e
mov ecx, dword [ebp + 0xc]
movzx edx, byte [ecx]
xor edx, dword [ebp + 8]
and edx, 0xff
mov eax, dword [ebp + 8]
shr eax, 8
xor eax, dword [edx*4 + 0x440030]
mov dword [ebp + 8], eax
mov ecx, dword [ebp + 0xc]
add ecx, 1
mov dword [ebp + 0xc], ecx
mov edx, dword [ebp + 0xc]
movzx eax, byte [edx]
xor eax, dword [ebp + 8]
and eax, 0xff
mov ecx, dword [ebp + 8]
shr ecx, 8
xor ecx, dword [eax*4 + 0x440030]
mov dword [ebp + 8], ecx
mov edx, dword [ebp + 0xc]
add edx, 1
mov dword [ebp + 0xc], edx
mov eax, dword [ebp + 0xc]
movzx ecx, byte [eax]
xor ecx, dword [ebp + 8]
and ecx, 0xff
mov edx, dword [ebp + 8]
shr edx, 8
xor edx, dword [ecx*4 + 0x440030]
mov dword [ebp + 8], edx
mov eax, dword [ebp + 0xc]
add eax, 1
mov dword [ebp + 0xc], eax
mov ecx, dword [ebp + 0xc]
movzx edx, byte [ecx]
xor edx, dword [ebp + 8]
and edx, 0xff
mov eax, dword [ebp + 8]
shr eax, 8
xor eax, dword [edx*4 + 0x440030]
mov dword [ebp + 8], eax
mov ecx, dword [ebp + 0xc]
add ecx, 1
mov dword [ebp + 0xc], ecx
mov edx, dword [ebp + 0xc]
movzx eax, byte [edx]
xor eax, dword [ebp + 8]
and eax, 0xff
mov ecx, dword [ebp + 8]
shr ecx, 8
xor ecx, dword [eax*4 + 0x440030]
mov dword [ebp + 8], ecx
mov edx, dword [ebp + 0xc]
add edx, 1
mov dword [ebp + 0xc], edx
mov eax, dword [ebp + 0xc]
movzx ecx, byte [eax]
xor ecx, dword [ebp + 8]
and ecx, 0xff
mov edx, dword [ebp + 8]
shr edx, 8
xor edx, dword [ecx*4 + 0x440030]
mov dword [ebp + 8], edx
mov eax, dword [ebp + 0xc]
add eax, 1
mov dword [ebp + 0xc], eax
mov ecx, dword [ebp + 0xc]
movzx edx, byte [ecx]
xor edx, dword [ebp + 8]
and edx, 0xff
mov eax, dword [ebp + 8]
shr eax, 8
xor eax, dword [edx*4 + 0x440030]
mov dword [ebp + 8], eax
mov ecx, dword [ebp + 0xc]
add ecx, 1
mov dword [ebp + 0xc], ecx
mov edx, dword [ebp + 0xc]
movzx eax, byte [edx]
xor eax, dword [ebp + 8]
and eax, 0xff
mov ecx, dword [ebp + 8]
shr ecx, 8
xor ecx, dword [eax*4 + 0x440030]
mov dword [ebp + 8], ecx
mov edx, dword [ebp + 0xc]
add edx, 1
mov dword [ebp + 0xc], edx
mov eax, dword [ebp + 0x10]
sub eax, 8
mov dword [ebp + 0x10], eax
jmp 0x41c449
cmp dword [ebp + 0x10], 0
je 0x41c5d7
mov ecx, dword [ebp + 0xc]
movzx edx, byte [ecx]
xor edx, dword [ebp + 8]
and edx, 0xff
mov eax, dword [ebp + 8]
shr eax, 8
xor eax, dword [edx*4 + 0x440030]
mov dword [ebp + 8], eax
mov ecx, dword [ebp + 0xc]
add ecx, 1
mov dword [ebp + 0xc], ecx
mov edx, dword [ebp + 0x10]
sub edx, 1
mov dword [ebp + 0x10], edx
jne 0x41c5a4
mov eax, dword [ebp + 8]
xor eax, 0xffffffff
pop ebp
ret
Function at 0x4013d0
Capabilities:
Read .ini file

Disassembly:
push 0xffffffffffffffff
mov eax, dword fs:[0]
push 0x42a0c1
push eax
mov eax, 0x188c
mov dword fs:[0], esp
call fcn.0040d8b0
mov eax, dword [0x437818]
push ebx
push ebp
xor ebx, ebx
push esi
push edi
mov dword [esp + 0x14], ebx
mov dword [esp + 0x10], eax
mov ecx, 0x5db
xor eax, eax
lea edi, [esp + 0x12d]
mov byte [esp + 0x12c], bl
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
stosb byte es:[edi], al
mov ecx, 0x40
xor eax, eax
lea edi, [esp + 0x29]
mov byte [esp + 0x28], bl
rep stosd dword es:[edi], eax
mov ecx, dword [esp + 0x18b8]
lea edx, [esp + 0x12c]
stosw word es:[edi], ax
stosb byte es:[edi], al
mov eax, dword [esp + 0x18b4]
push ecx
push 0x1770
push edx
push eax
mov dword [esp + 0x18b4], ebx
call dword [sym.imp.KERNEL32.dll_GetPrivateProfileSectionA]
xor eax, eax
cmp byte [esp + eax + 0x12c], bl
jne 0x40146e
cmp byte [esp + eax + 0x12d], bl
je 0x401476
inc eax
cmp eax, 0x1770
jl 0x40145c
mov esi, dword [esp + 0x18ac]
lea edi, [eax + 1]
push 0xffffffffffffffff
push ebx
mov ecx, esi
mov dword [esp + 0x28], edi
call fcn.0041ccc1
mov ebp, dword [esp + 0x18b0]
push 0xffffffffffffffff
push ebx
mov ecx, ebp
call fcn.0041ccc1
xor eax, eax
cmp edi, ebx
mov dword [esp + 0x18], eax
jle 0x40158f
mov ecx, dword [esp + 0x14]
mov al, byte [esp + eax + 0x12c]
mov byte [esp + ecx + 0x28], al
inc ecx
cmp al, bl
mov dword [esp + 0x14], ecx
jne 0x40157a
lea ecx, [esp + 0x28]
push ecx
lea ecx, [esp + 0x14]
call fcn.0041ec81
mov edx, dword [esp + 0x10]
mov ecx, 0x41
xor eax, eax
lea edi, [esp + 0x28]
rep stosd dword es:[edi], eax
mov eax, dword [edx - 8]
mov dword [esp + 0x14], ebx
cmp eax, ebx
je 0x40157a
push 0x4370c0
lea ecx, [esp + 0x14]
call fcn.0041c4e5
push eax
lea eax, [esp + 0x20]
push eax
lea ecx, [esp + 0x18]
call fcn.0041c44b
mov ecx, dword [esi + 8]
push eax
push ecx
mov ecx, esi
mov byte [esp + 0x18ac], 1
call fcn.0041ce0a
lea ecx, [esp + 0x1c]
mov byte [esp + 0x18a4], bl
call fcn.0041eaf8
push 0x4370c0
lea ecx, [esp + 0x14]
call fcn.0041c4e5
inc eax
lea ecx, [esp + 0x24]
push eax
push ecx
lea ecx, [esp + 0x18]
call fcn.0041c392
mov ecx, dword [ebp + 8]
push eax
push ecx
mov ecx, ebp
mov byte [esp + 0x18ac], 2
call fcn.0041ce0a
lea ecx, [esp + 0x24]
mov byte [esp + 0x18a4], bl
call fcn.0041eaf8
mov eax, dword [esp + 0x18]
mov ecx, dword [esp + 0x20]
inc eax
cmp eax, ecx
mov dword [esp + 0x18], eax
jl 0x4014ad
mov esi, dword [esi + 8]
lea ecx, [esp + 0x10]
mov dword [esp + 0x18a4], 0xffffffff
call fcn.0041eaf8
mov ecx, dword [esp + 0x189c]
mov eax, esi
pop edi
pop esi
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x1898
ret
Function at 0x401930
Capabilities:
Access peb ldr_data
Create process on windows
Get common file path
Self delete
Terminate process

Disassembly:
push 0xffffffffffffffff
push 0x42a1f0
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x14
push esi
mov esi, dword [esp + 0x28]
push pe_nt_image_headers32
push pe_nt_image_headers32
lea ecx, [esp + 0x30]
mov dword [esp + 0x28], 0
call fcn.0041ef01
push eax
push esi
call dword [sym.imp.KERNEL32.dll_GetShortPathNameA]
push 0xffffffffffffffff
lea ecx, [esp + 0x2c]
call fcn.0041ef50
mov eax, dword [0x437818]
mov dword [esp + 4], eax
push pe_nt_image_headers32
lea ecx, [esp + 8]
mov byte [esp + 0x24], 1
call fcn.0041ef01
push eax
push pe_nt_image_headers32
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
push 0xffffffffffffffff
lea ecx, [esp + 8]
call fcn.0041ef50
lea ecx, [esp + 4]
push str.wanyx.bat
lea edx, [esp + 0xc]
push ecx
push edx
call fcn.0041ed8d
mov eax, dword [eax]
push 0x437130
push eax
call fcn.0040da5d
add esp, 8
lea ecx, [esp + 8]
mov esi, eax
call fcn.0041eaf8
test esi, esi
je 0x401b20
push esi
push str._echo_off_n
call fcn.0040d9de
push esi
push str.ping__n_2_127.0.0.1_nul_n
call fcn.0040d9de
add esp, 0x10
lea eax, [esp + 0x28]
lea ecx, [esp + 0xc]
push eax
push str.del__f__q
push ecx
call fcn.0041ee01
push str.wanyxmodule.exe_n
lea edx, [esp + 0xc]
push eax
push edx
mov byte [esp + 0x2c], 2
call fcn.0041ed8d
mov eax, dword [eax]
push esi
push eax
call fcn.0040d9de
add esp, 8
lea ecx, [esp + 8]
call fcn.0041eaf8
lea ecx, [esp + 0xc]
mov byte [esp + 0x20], 1
call fcn.0041eaf8
lea eax, [esp + 0x28]
lea ecx, [esp + 0x14]
push eax
push str.move
push ecx
call fcn.0041ee01
push str.wanyxupdate.exe
lea edx, [esp + 0x14]
push eax
push edx
mov byte [esp + 0x2c], 3
call fcn.0041ed8d
lea ecx, [esp + 0x28]
lea edx, [esp + 8]
push ecx
push eax
push edx
mov byte [esp + 0x2c], 4
call fcn.0041ed27
push str.wanyxmodule.exe_n
push eax
lea eax, [esp + 0x14]
mov byte [esp + 0x28], 5
push eax
call fcn.0041ed8d
mov eax, dword [eax]
push esi
push eax
call fcn.0040d9de
add esp, 8
lea ecx, [esp + 0xc]
call fcn.0041eaf8
lea ecx, [esp + 8]
mov byte [esp + 0x20], 4
call fcn.0041eaf8
lea ecx, [esp + 0x10]
mov byte [esp + 0x20], 3
call fcn.0041eaf8
lea ecx, [esp + 0x14]
mov byte [esp + 0x20], 1
call fcn.0041eaf8
push esi
push str.del__0
call fcn.0040d9de
push esi
call fcn.0040d961
add esp, 0xc
push str.wanyx.bat
lea ecx, [esp + 8]
lea edx, [esp + 0x18]
push ecx
push edx
call fcn.0041ed8d
mov eax, dword [eax]
push 0
push 0
push 0
push eax
push 0
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
lea ecx, [esp + 0x14]
call fcn.0041eaf8
push 0
call dword [sym.imp.KERNEL32.dll_ExitProcess]
Function at 0x403360
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x42a340
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
mov eax, dword [esp + 0x14]
push esi
test eax, eax
mov esi, ecx
je 0x403475
mov dword [esi + 0x84], 0xffffffff
mov eax, dword [0x437818]
push edi
mov dword [esp + 0x1c], eax
push pe_nt_image_headers32
push pe_nt_image_headers32
lea ecx, [esp + 0x24]
mov dword [esp + 0x1c], 0
call fcn.0041ef01
push eax
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 0xffffffffffffffff
lea ecx, [esp + 0x20]
call fcn.0041ef50
push 0x5c
lea ecx, [esp + 0x20]
call fcn.0041c4c3
inc eax
lea ecx, [esp + 8]
push eax
push ecx
lea ecx, [esp + 0x24]
call fcn.0041c44b
push eax
lea ecx, [esp + 0x20]
mov byte [esp + 0x18], 1
call fcn.0041ec31
lea ecx, [esp + 8]
mov byte [esp + 0x14], 0
call fcn.0041eaf8
mov eax, dword [esi + 0x98]
lea edi, [esi + 0x98]
push eax
mov ecx, esi
call fcn.00403f00
test eax, eax
je 0x403430
push 0x24
push 0x437238
push 0x437498
mov ecx, esi
call fcn.0042107c
cmp eax, 6
jne 0x403463
push ebp
mov ebp, dword [esi + 0x5c]
lea edx, [esp + 0x20]
push edi
lea eax, [esp + 0x10]
push edx
push eax
call fcn.0041ed27
mov ecx, dword [esp + 0x20]
mov eax, dword [eax]
push 5
push ecx
push ebp
push eax
push 0
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
lea ecx, [esp + 0xc]
call fcn.0041eaf8
pop ebp
lea ecx, [esp + 0x1c]
mov dword [esp + 0x14], 0xffffffff
call fcn.0041eaf8
pop edi
push 0
mov ecx, esi
call fcn.00422293
push esi
call fcn.00401d40
mov ecx, dword [esp + 8]
mov dword [esi + 0x88], 1
pop esi
mov dword fs:[0], ecx
add esp, 0x10
ret 4
Function at 0x425754
Capabilities:
Create http request

Disassembly:
mov eax, 0x42aa98
call fcn.0040dea8
push ecx
push esi
mov esi, ecx
mov dword [ebp - 0x10], esi
mov eax, dword [ebp + 0xc]
and dword [ebp - 4], 0
and dword [esi + 0x10], 0
and dword [esi + 0xc], 0
mov dword [esi + 4], eax
mov eax, dword [ebp + 8]
test eax, eax
mov dword [esi], vtable.CInternetSession.0
jne 0x42578c
call fcn.00426f48
mov eax, dword [eax + 0x10]
push dword [ebp + 0x1c]
push dword [ebp + 0x18]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push eax
call dword [sym.imp.WININET.dll_InternetOpenA]
test eax, eax
mov dword [esi + 8], eax
jne 0x4257b1
push eax
push dword [esi + 4]
call fcn.004263d3
jmp 0x4257bd
push esi
push eax
mov ecx, 0x43d408
call fcn.004257ce
mov ecx, dword [ebp - 0xc]
mov eax, esi
pop esi
mov dword fs:[0], ecx
leave
ret 0x18

Function at 0x425a7f
Capabilities:
Access peb ldr_data
Get kernel32 base address
Get process heap flags

Disassembly:
mov eax, 0x42aaf7
call fcn.0040dea8
push ecx
push ebx
push esi
mov esi, ecx
push edi
mov dword [ebp - 0x10], esi
call fcn.00423348
mov eax, dword [ebp + 0x18]
lea ebx, [esi + 0x24]
mov dword [esi + 0x1c], eax
mov eax, dword [0x437818]
xor edi, edi
mov dword [ebx], eax
mov dword [ebp - 4], edi
push dword [ebp + 0x10]
lea ecx, [esi + 0xc]
mov byte [ebp - 4], 1
mov dword [esi], vtable.CInternetFile.0
call fcn.0041ec81
push dword [ebp + 0x14]
mov ecx, ebx
call fcn.0041ec81
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0xc]
mov dword [esi + 0x14], eax
mov eax, dword [ebp + 0x1c]
mov dword [esi + 0x18], eax
mov dword [esi + 0x3c], edi
mov dword [esi + 0x30], edi
mov dword [esi + 0x34], edi
mov dword [esi + 0x38], edi
mov dword [esi + 0x28], edi
mov dword [esi + 0x2c], edi
mov dword [esi + 0x40], edi
mov eax, esi
pop edi
pop esi
pop ebx
mov dword fs:[0], ecx
leave
ret 0x18

Function at 0x427798
Capabilities:
Get thread local storage value

Disassembly:
push ebx
push esi
mov esi, ecx
lea ebx, [esi + 0x1c]
push ebx
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
cmp dword [esp + 0x10], 0
jne 0x4277c6
push dword [esi]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
test eax, eax
je 0x4277e4
push dword [esp + 0xc]
mov ecx, esi
push eax
call fcn.004276fe
jmp 0x4277e4
mov eax, dword [esi + 0x14]
test eax, eax
je 0x4277e4
push edi
push dword [esp + 0x10]
mov edi, dword [eax + 4]
mov ecx, esi
push eax
call fcn.004276fe
test edi, edi
mov eax, edi
jne 0x4277ce
pop edi
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
pop ebx
ret 8
Function at 0x401120
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebp
mov ebp, dword [esp + 8]
push edi
push ebx
push ebp
mov edi, eax
call dword [sym.imp.KERNEL32.dll_LoadResource]
test eax, eax
jne 0x401137
pop edi
pop ebp
ret
push esi
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov esi, eax
test esi, esi
je 0x401168
push ebx
push ebp
call dword [sym.imp.KERNEL32.dll_SizeofResource]
add eax, esi
and edi, 0xf
jbe 0x401164
cmp esi, eax
jae 0x401168
sub edi, 1
movzx ecx, word [esi]
lea esi, [esi + ecx*2 + 2]
jne 0x401154
cmp esi, eax
jb 0x40116e
pop esi
pop edi
xor eax, eax
pop ebp
ret
movzx eax, word [esi]
neg eax
sbb eax, eax
and eax, esi
pop esi
pop edi
pop ebp
ret
Function at 0x4025c5
Capabilities:
Terminate process

Disassembly:
cmp ecx, dword [0x41314c]
jne 0x4025cf
repz ret
jmp fcn.00404640

Function at 0x4082ac
Capabilities:
Link many functions at runtime

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x14
push ebx
push esi
push edi
call fcn.00403dd1
and dword [ebp - 4], 0
cmp dword [0x414f40], 0
mov ebx, eax
jne 0x40835d
push str.USER32.DLL
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
test edi, edi
je 0x40840e
mov esi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push str.MessageBoxA
push edi
call esi
test eax, eax
je 0x40840e
push eax
call fcn.00403d5f
mov dword [esp], str.GetActiveWindow
push edi
mov dword [0x414f40], eax
call esi
push eax
call fcn.00403d5f
mov dword [esp], str.GetLastActivePopup
push edi
mov dword [0x414f44], eax
call esi
push eax
call fcn.00403d5f
mov dword [esp], str.GetUserObjectInformationA
push edi
mov dword [0x414f48], eax
call esi
push eax
call fcn.00403d5f
pop ecx
mov dword [0x414f50], eax
test eax, eax
je 0x40835d
push str.GetProcessWindowStation
push edi
call esi
push eax
call fcn.00403d5f
pop ecx
mov dword [0x414f4c], eax
mov eax, dword [0x414f4c]
cmp eax, ebx
je 0x4083b5
cmp dword [0x414f50], ebx
je 0x4083b5
push eax
call fcn.00403dda
push dword [0x414f50]
mov esi, eax
call fcn.00403dda
pop ecx
pop ecx
mov edi, eax
test esi, esi
je 0x4083b5
test edi, edi
je 0x4083b5
call esi
test eax, eax
je 0x4083ac
lea ecx, [ebp - 8]
push ecx
push 0xc
lea ecx, [ebp - 0x14]
push ecx
push 1
push eax
call edi
test eax, eax
je 0x4083ac
test byte [ebp - 0xc], 1
jne 0x4083b5
or dword [ebp + 0x10], 0x200000
jmp 0x4083ee
mov eax, dword [0x414f44]
cmp eax, ebx
je 0x4083ee
push eax
call fcn.00403dda
pop ecx
test eax, eax
je 0x4083ee
call eax
mov dword [ebp - 4], eax
test eax, eax
je 0x4083ee
mov eax, dword [0x414f48]
cmp eax, ebx
je 0x4083ee
push eax
call fcn.00403dda
pop ecx
test eax, eax
je 0x4083ee
push dword [ebp - 4]
call eax
mov dword [ebp - 4], eax
push dword [0x414f40]
call fcn.00403dda
pop ecx
test eax, eax
je 0x40840e
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
push dword [ebp - 4]
call eax
jmp 0x408410
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret
Function at 0x409c00
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x46fd0b
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.004644a8
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x409c82
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.004620bd
mov eax, dword [eax]
push 0x49a1f0
push eax
call fcn.00453e14
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.00464733
test bl, bl
je 0x409c82
push 0x49a1f0
lea ecx, [esp + 0xc]
call fcn.00464ac3
push 0x49dd6c
lea ecx, [esp + 0xc]
call fcn.00464ac3
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 0x409cbe
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.00464733
jmp 0x409d89
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 0x409d42
lea edx, [esp + 0x7c]
push 0x49dd68
push edx
call fcn.00453e14
add esp, 8
test eax, eax
je 0x409d42
lea eax, [esp + 0x7c]
push 0x49dd64
push eax
call fcn.00453e14
add esp, 8
test eax, eax
je 0x409d42
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 0x409cd2
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.00464733
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 0x40a580
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 0x40a5e2
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 0x40a5f0
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x46fd8b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x4a4848]
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 0x40a728
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x40a656
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00464733
xor eax, eax
jmp 0x40a79f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.00464870
push esi
lea ecx, [esp + 0xc]
call fcn.00464aff
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 0x40a77d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push 0x80000000
call fcn.0040a580
test eax, eax
jne 0x40a77d
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 0x80000000
mov ecx, edi
call fcn.0040a580
test eax, eax
jne 0x40a77d
lea eax, [esp + 0x14]
push str.__1_
push eax
call fcn.00454e50
mov esi, eax
add esp, 8
test esi, esi
jne 0x40a75c
lea ecx, [esp + 0x14]
push 0x49dd7c
push ecx
call fcn.00454dd0
mov esi, eax
add esp, 8
test esi, esi
jne 0x40a75c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x40a75f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.00464820
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x40a66e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00464733
xor eax, eax
jmp 0x40a79f
mov byte [esi], 0
push 0x49dd78
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.00464733
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 0x41b9c0
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 0x41ba2e
cmp si, 0x69
ja 0x41ba2e
add esi, 0xffd0
cmp si, 0x11
je 0x41b9fe
push 0x11
call edi
test ax, ax
jge 0x41b9fe
or esi, 0x2000
cmp si, 0x10
je 0x41ba13
push 0x10
call edi
test ax, ax
jge 0x41ba13
or esi, 0x4000
cmp si, 0x12
je 0x41ba28
push 0x12
call edi
test ax, ax
jge 0x41ba28
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x41ba3b
mov esi, 0xbd
jmp 0x41b9ef
cmp si, 0x6e
jne 0x41ba48
mov esi, 0xbe
jmp 0x41b9ef
cmp si, 0x6f
jne 0x41b9e9
mov esi, 0xbf
jmp 0x41b9ef

Function at 0x41d0e0
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x4b4fb8]
xor edx, edx
cmp eax, edx
jne 0x41d106
xor eax, eax
mov byte [eax + 0x4b4eb8], al
inc eax
cmp eax, 0x100
jl 0x41d0ee
mov dword [0x4b4fb8], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x4b4eb8
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x41d197
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 0x41d16a
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 0x41d138
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x41d210
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 0x41d263
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 0x41d24a
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