joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4d4c8d
Capabilities:
Create process on windows

Disassembly:
push 0x8c
mov eax, 0x67e6e0
call fcn.0042ee38
mov eax, dword [ebp + 0xc]
xor esi, esi
mov ebx, dword [ebp + 8]
push 0x44
pop edi
push edi
mov dword [ebp - 0x44], eax
lea eax, [ebp - 0x98]
push esi
push eax
call fcn.00507c30
mov dword [ebp - 0x98], edi
xor eax, eax
lea edi, [ebp - 0x54]
mov dword [ebp - 0x18], esi
stosd dword es:[edi], eax
add esp, 0xc
stosd dword es:[edi], eax
push 7
pop ecx
mov dword [ebp - 0x14], ecx
stosd dword es:[edi], eax
stosd dword es:[edi], eax
xor eax, eax
mov word [ebp - 0x28], ax
mov dword [ebp - 4], esi
mov dword [ebp - 0x30], esi
mov dword [ebp - 0x2c], ecx
mov word [ebp - 0x40], ax
mov eax, dword [ebp - 0x44]
mov byte [ebp - 4], 1
test eax, eax
je 0x4d4d3b
push eax
lea ecx, [ebp - 0x40]
call fcn.00404d50
cmp dword [ebp - 0x30], esi
je 0x4d4d3b
push 0x687108
lea ecx, [ebp - 0x28]
call fcn.00404d50
push ebx
lea ecx, [ebp - 0x28]
call fcn.00408bb0
push 0x6931a8
lea ecx, [ebp - 0x28]
call fcn.00408bb0
cmp dword [ebp - 0x2c], 8
lea eax, [ebp - 0x40]
push dword [ebp - 0x30]
cmovae eax, dword [ebp - 0x40]
lea ecx, [ebp - 0x28]
push eax
call fcn.00408df0
jmp 0x4d4d44
push ebx
lea ecx, [ebp - 0x28]
call fcn.00404d50
cmp dword [ebp - 0x14], 8
lea ecx, [ebp - 0x54]
push ecx
lea ecx, [ebp - 0x98]
push ecx
push esi
push esi
push esi
push 1
push esi
lea eax, [ebp - 0x28]
cmovae eax, dword [ebp - 0x28]
push esi
push eax
push esi
call dword [sym.imp.KERNEL32.dll_CreateProcessW]
test eax, eax
jne 0x4d4d75
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4d4da3
cmp byte [ebp + 0x10], 0
je 0x4d4d90
or eax, 0xffffffff
cmp dword [ebp + 0x14], 0
cmovg eax, dword [ebp + 0x14]
push eax
push dword [ebp - 0x54]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
push dword [ebp - 0x54]
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
call esi
push dword [ebp - 0x50]
call esi
xor esi, esi
inc esi
lea ecx, [ebp - 0x40]
call fcn.00404d80
lea ecx, [ebp - 0x28]
call fcn.00404d80
mov eax, esi
call fcn.0042edf3
ret

Function at 0x4d5038
Capabilities:
Enumerate processes

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x230
mov eax, dword [0x71a06c]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
push edi
mov edi, dword [ebp + 8]
test edi, edi
je 0x4d50be
push 0x228
lea eax, [ebp - 0x22c]
push 0
push eax
call fcn.00507c30
add esp, 0xc
push 0
push 2
call sub.KERNEL32.dll_CreateToolhelp32Snapshot
mov esi, eax
cmp esi, 0xffffffff
je 0x4d50be
lea eax, [ebp - 0x230]
mov dword [ebp - 0x230], 0x22c
push eax
push esi
call sub.KERNEL32.dll_Process32FirstW
jmp 0x4d50b3
lea eax, [ebp - 0x20c]
push edi
push eax
call fcn.0051c2b2
pop ecx
pop ecx
test eax, eax
je 0x4d50ce
lea eax, [ebp - 0x230]
push eax
push esi
call sub.KERNEL32.dll_Process32NextW
test eax, eax
jne 0x4d5093
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor eax, eax
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop esi
call fcn.0042e2d5
leave
ret
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [ebp - 0x228]
jmp 0x4d50c0
Function at 0x4d5277
Capabilities:
Create process on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x3c
push 0x3c
lea eax, [ebp - 0x3c]
push 0
push eax
call fcn.00507c30
add esp, 0xc
mov dword [ebp - 0x3c], 0x3c
cmp dword [ebp + 8], 0
mov ecx, str.runas
mov eax, str.open
mov dword [ebp - 0x38], 0x40
cmove eax, ecx
mov dword [ebp - 0x20], 1
mov dword [ebp - 0x30], eax
mov eax, dword [ebp + 0xc]
mov dword [ebp - 0x2c], eax
mov eax, dword [ebp + 0x10]
mov dword [ebp - 0x28], eax
mov eax, dword [ebp + 0x14]
mov dword [ebp - 0x24], eax
lea eax, [ebp - 0x3c]
push eax
call dword [sym.imp.SHELL32.dll_ShellExecuteExW]
mov ecx, dword [ebp - 4]
test ecx, ecx
je 0x4d52ec
cmp byte [ebp + 0x18], 0
je 0x4d52ec
push dword [ebp + 0x1c]
push ecx
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
mov ecx, dword [ebp - 4]
xor eax, eax
test ecx, ecx
setne al
leave
ret

Function at 0x4d61b3
Capabilities:
Hash data with md5

Disassembly:
xor eax, eax
mov byte [ecx + 0x68], al
mov dword [ecx + 0x14], eax
mov dword [ecx + 0x10], eax
mov dword [ecx], 0x67452301
mov dword [ecx + 4], 0xefcdab89
mov dword [ecx + 8], 0x98badcfe
mov dword [ecx + 0xc], 0x10325476
ret

Function at 0x4d6dd8
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
push ecx
cmp dword [ebp + 8], 0
push ebx
push edi
je 0x4d6e88
cmp dword [ebp + 0xc], 0
je 0x4d6e88
push 0
push 0x80
push 3
push 0
push 3
push SysReAllocString
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x4d6e1d
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4d6e8b
lea eax, [ebp - 4]
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, eax
mov dword [ebp - 8], edi
cmp edi, 0xffffffff
je 0x4d6e15
jb 0x4d6e39
push 8
pop eax
jmp 0x4d6e8b
push esi
mov esi, eax
mov eax, dword [ebp + 0x10]
test eax, eax
je 0x4d6e45
mov dword [eax], edi
inc esi
push esi
call fcn.0042e986
mov ecx, dword [ebp + 0xc]
push esi
xor esi, esi
push esi
push eax
mov dword [ecx], eax
call fcn.00507c30
add esp, 0x10
mov dword [ebp + 8], esi
lea eax, [ebp + 8]
push esi
push eax
mov eax, dword [ebp + 0xc]
push edi
push dword [eax]
push ebx
call dword [sym.imp.KERNEL32.dll_ReadFile]
pop esi
test eax, eax
je 0x4d6e15
cmp dword [ebp + 8], edi
jne 0x4d6e88
push ebx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor eax, eax
jmp 0x4d6e8b
xor eax, eax
inc eax
pop edi
pop ebx
leave
ret
Function at 0x4d6e8f
Capabilities:
Get file version info

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
sub esp, 0x18
push ebx
xor ebx, ebx
push edi
mov edi, ebx
cmp dword [eax + 0x10], ebx
je 0x4d6fa0
push esi
mov esi, dword [ebp + 0xc]
cmp dword [esi + 0x10], ebx
je 0x4d6f9f
cmp dword [esi + 0x14], 0x10
mov eax, esi
jb 0x4d6ebe
mov eax, dword [esi]
lea ecx, [ebp - 0xc]
push ecx
push eax
call sub.VERSION.dll_GetFileVersionInfoSizeA
mov dword [ebp - 8], eax
test eax, eax
je 0x4d6f9f
push 0x726e48
push eax
call fcn.0042eb8a
mov dword [ebp - 4], eax
pop ecx
pop ecx
test eax, eax
je 0x4d6f9f
cmp dword [esi + 0x14], 0x10
jb 0x4d6ef3
mov esi, dword [esi]
push eax
push dword [ebp - 8]
push dword [ebp - 0xc]
push esi
call sub.VERSION.dll_GetFileVersionInfoA
mov esi, dword [ebp - 4]
test eax, eax
je 0x4d6f8d
lea eax, [ebp - 0x14]
push eax
lea eax, [ebp - 0x10]
push eax
push str.VarFileInfoTranslation
push esi
call sub.VERSION.dll_VerQueryValueA
test eax, eax
je 0x4d6f8d
mov eax, dword [ebp - 0x10]
push 0x726e48
push 0x80
movzx ecx, word [eax]
movzx eax, word [eax + 2]
shl ecx, 0x10
or ecx, eax
mov dword [ebp - 8], ecx
call fcn.0042eb8a
mov edi, eax
pop ecx
pop ecx
test edi, edi
je 0x4d6f8d
mov eax, dword [ebp + 8]
cmp dword [eax + 0x14], 0x10
jb 0x4d6f56
mov eax, dword [eax]
push eax
push dword [ebp - 8]
push str.StringFileInfo_08lx_s
push 0x80
push edi
call fcn.0040d3e0
add esp, 0x14
lea eax, [ebp - 0x14]
push eax
lea eax, [ebp - 0x18]
push eax
push edi
push esi
call sub.VERSION.dll_VerQueryValueA
test eax, eax
je 0x4d6f8b
push dword [ebp - 0x18]
mov ecx, dword [ebp + 0x10]
call fcn.004071e0
mov bl, 1
push esi
call fcn.0042e981
pop ecx
test edi, edi
je 0x4d6f9f
push edi
call fcn.0042e981
pop ecx
pop esi
pop edi
mov al, bl
pop ebx
leave
ret
Function at 0x4d6fbe
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
push esi
push edi
test eax, eax
je 0x4d7021
xor edi, edi
cmp word [eax], di
je 0x4d7021
push edi
push 0x80
push 2
push edi
push edi
push 0xc0000000
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov esi, eax
cmp esi, 0xffffffff
jne 0x4d6ff7
pop edi
pop esi
pop ebp
jmp dword [sym.imp.KERNEL32.dll_GetLastError]
push edi
lea eax, [ebp + 8]
push eax
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push esi
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
jne 0x4d7016
pop edi
pop esi
pop ebp
jmp dword [sym.imp.KERNEL32.dll_GetLastError]
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor eax, eax
jmp 0x4d7024
xor eax, eax
inc eax
pop edi
pop esi
pop ebp
ret

Function at 0x4d84c7
Capabilities:
Encode data using xor
Encrypt data using tea

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [ebp + 8]
xor edx, edx
mov ecx, dword [ebp + 0xc]
push esi
push edi
mov eax, dword [eax]
mov edi, 0xb54cda56
mov dword [ebp + 0xc], eax
lea esi, [ecx - 1]
push 0x34
pop eax
div ecx
mov dword [ebp - 8], esi
imul eax, eax, 0x61c88647
sub edi, eax
cmp esi, 1
jb 0x4d85ca
test edi, edi
je 0x4d85ca
mov ecx, dword [ebp + 8]
mov edx, dword [ebp + 0xc]
push ebx
mov eax, dword [ebp - 8]
mov ebx, edi
shr ebx, 2
and ebx, 3
mov dword [ebp - 4], esi
mov dword [ebp - 0xc], ebx
test eax, eax
je 0x4d8575
mov edx, dword [ecx + esi*4 - 4]
mov eax, edx
mov ecx, dword [ebp + 0xc]
mov esi, ecx
shr eax, 5
shl esi, 2
xor esi, eax
shr ecx, 3
mov eax, edx
shl eax, 4
xor ecx, eax
mov eax, dword [ebp - 4]
add esi, ecx
and eax, 3
mov ecx, dword [ebp + 0x10]
xor eax, ebx
mov ecx, dword [ecx + eax*4]
mov eax, edi
xor eax, dword [ebp + 0xc]
xor ecx, edx
add ecx, eax
mov eax, dword [ebp - 4]
xor esi, ecx
mov ecx, dword [ebp + 8]
sub dword [ecx + eax*4], esi
mov esi, eax
mov edx, dword [ecx + esi*4]
sub esi, 1
mov dword [ebp + 0xc], edx
mov dword [ebp - 4], esi
jne 0x4d8521
mov eax, dword [ebp - 8]
mov eax, dword [ecx + eax*4]
and esi, 3
mov ebx, dword [ebp - 8]
mov ecx, dword [ebp + 0xc]
xor esi, dword [ebp - 0xc]
shr eax, 5
shl edx, 2
xor edx, eax
shr ecx, 3
mov eax, dword [ebp + 8]
mov eax, dword [eax + ebx*4]
shl eax, 4
xor ecx, eax
mov eax, dword [ebp + 0x10]
add edx, ecx
mov ecx, dword [eax + esi*4]
mov esi, ebx
mov eax, dword [ebp + 8]
xor ecx, dword [eax + esi*4]
mov eax, edi
xor eax, dword [ebp + 0xc]
add ecx, eax
xor edx, ecx
mov ecx, dword [ebp + 8]
sub dword [ecx], edx
mov edx, dword [ecx]
mov dword [ebp + 0xc], edx
add edi, 0x61c88647
jne 0x4d850c
pop ebx
pop edi
pop esi
leave
ret
Function at 0x4d85ce
Capabilities:
Encode data using xor
Encrypt data using tea

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov ecx, dword [ebp + 8]
push ebx
push esi
mov esi, dword [ebp + 0xc]
xor ebx, ebx
push edi
lea edi, [esi - 1]
mov eax, dword [ecx + edi*4]
mov dword [ebp + 0xc], eax
cmp edi, 1
jb 0x4d86bf
push 0x34
xor edx, edx
pop eax
div esi
add eax, 6
je 0x4d86bf
sub ebx, 0x61c88647
dec eax
mov dword [ebp - 8], ebx
shr ebx, 2
mov dword [ebp - 0xc], eax
and ebx, 3
xor eax, eax
mov dword [ebp - 4], eax
test edi, edi
je 0x4d866e
mov edx, dword [ecx + eax*4 + 4]
mov esi, edx
mov eax, dword [ebp + 0xc]
mov ecx, edx
shr eax, 5
shl esi, 2
xor esi, eax
shr ecx, 3
mov eax, dword [ebp + 0xc]
shl eax, 4
xor ecx, eax
mov eax, dword [ebp - 4]
add esi, ecx
and eax, 3
mov ecx, dword [ebp + 0x10]
xor eax, ebx
mov ecx, dword [ecx + eax*4]
xor ecx, dword [ebp + 0xc]
mov eax, dword [ebp - 8]
xor eax, edx
add ecx, eax
mov eax, dword [ebp - 4]
xor esi, ecx
mov ecx, dword [ebp + 8]
add dword [ecx + eax*4], esi
mov edx, dword [ecx + eax*4]
inc eax
mov dword [ebp + 0xc], edx
mov dword [ebp - 4], eax
cmp eax, edi
jb 0x4d861d
mov edx, dword [ecx]
mov esi, edx
mov eax, dword [ebp + 0xc]
mov ecx, edx
shr eax, 5
shl esi, 2
xor esi, eax
shr ecx, 3
mov eax, dword [ebp + 0xc]
shl eax, 4
xor ecx, eax
mov eax, dword [ebp + 0x10]
add esi, ecx
mov ecx, dword [ebp - 4]
and ecx, 3
xor ecx, ebx
mov ebx, dword [ebp - 8]
mov ecx, dword [eax + ecx*4]
mov eax, ebx
xor ecx, dword [ebp + 0xc]
xor eax, edx
add ecx, eax
xor esi, ecx
mov ecx, dword [ebp + 8]
add dword [ecx + edi*4], esi
mov eax, dword [ecx + edi*4]
mov dword [ebp + 0xc], eax
mov eax, dword [ebp - 0xc]
test eax, eax
jne 0x4d8601
pop edi
pop esi
pop ebx
leave
ret

Function at 0x4d8aad
Capabilities:
Check os version

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x120
mov eax, dword [0x71a06c]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push 0x118
xor ebx, ebx
mov dword [ebp - 0x120], 0x11c
lea eax, [ebp - 0x11c]
push ebx
push eax
call fcn.00507c30
add esp, 0xc
lea eax, [ebp - 0x120]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
lea eax, [ebp - 0x114]
push eax
lea eax, [ebp - 0x118]
push eax
lea eax, [ebp - 0x11c]
push eax
call fcn.004d8a62
mov eax, dword [ebp - 0x11c]
add esp, 0xc
cmp eax, 5
jne 0x4d8b2c
cmp dword [ebp - 0x118], ebx
jbe 0x4d8b72
cmp dword [ebp - 0x118], 1
setne bl
inc ebx
jmp 0x4d8b72
cmp eax, 6
jne 0x4d8b57
cmp byte [ebp - 6], 1
jne 0x4d8b52
mov eax, dword [ebp - 0x118]
sub eax, ebx
je 0x4d8b4e
sub eax, 1
je 0x4d8b4a
push 7
jmp 0x4d8b54
push 5
jmp 0x4d8b54
push 3
jmp 0x4d8b54
push 4
pop ebx
jmp 0x4d8b72
push 0xa
pop ecx
cmp eax, ecx
jne 0x4d8b6f
cmp dword [ebp - 0x114], 0x55f0
sbb ebx, ebx
add ebx, 9
jmp 0x4d8b72
cmova ebx, ecx
mov ecx, dword [ebp - 4]
mov eax, ebx
xor ecx, ebp
pop ebx
call fcn.0042e2d5
leave
ret
Function at 0x4d8bda
Capabilities:
Check os version
Get system information on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x144
mov eax, dword [0x71a06c]
xor eax, ebp
mov dword [ebp - 4], eax
lea eax, [ebp - 0x144]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
push 0x118
lea eax, [ebp - 0x11c]
push 0
push eax
call fcn.00507c30
add esp, 0xc
mov dword [ebp - 0x120], 0x11c
lea eax, [ebp - 0x120]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
cmp dword [ebp - 0x11c], 5
jg 0x4d8c3d
cmp dword [ebp - 0x118], 2
jg 0x4d8c3d
mov al, 1
jmp 0x4d8c3f
xor al, al
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042e2d5
leave
ret
Function at 0x4d8f60
Capabilities:
Get common file path
Get storage device properties

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x3100
call fcn.0042f610
mov eax, dword [0x71a06c]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
mov esi, 0x104
lea eax, [ebp - 0x108]
push esi
xor ebx, ebx
mov edi, ecx
push ebx
push eax
mov dword [ebp - 0x3100], edi
call fcn.00507c30
push esi
lea eax, [ebp - 0x20c]
push ebx
push eax
call fcn.00507c30
add esp, 0x18
lea eax, [ebp - 0x108]
push esi
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
movsx eax, byte [ebp - 0x108]
push eax
push str.._c:
lea eax, [ebp - 0x20c]
push esi
push eax
call fcn.0040d3e0
add esp, 0x10
lea eax, [ebp - 0x20c]
push ebx
push ebx
push 3
push ebx
push 3
push ebx
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov esi, eax
cmp esi, 0xffffffff
jne 0x4d8ff6
mov al, 1
jmp 0x4d90ff
push 0x2710
lea eax, [ebp - 0x30ec]
mov dword [ebp - 0x30fc], ebx
push ebx
push eax
call fcn.00507c30
push 0x3e8
lea eax, [ebp - 0x9dc]
push ebx
push eax
call fcn.00507c30
push 0x3e8
lea eax, [ebp - 0x5f4]
push ebx
push eax
call fcn.00507c30
add esp, 0x24
mov dword [ebp - 0x30f0], ebx
lea eax, [ebp - 0x30fc]
mov dword [ebp - 0x30f8], ebx
mov dword [ebp - 0x30f4], ebx
push ebx
push eax
push 0x2710
lea eax, [ebp - 0x30ec]
push eax
push 0xc
lea eax, [ebp - 0x30f8]
push eax
push 0x2d1400
push esi
call dword [sym.imp.KERNEL32.dll_DeviceIoControl]
test eax, eax
jne 0x4d9078
mov bl, 2
jmp 0x4d90f6
lea eax, [ebp - 0x5f4]
push eax
push ebx
push dword [ebp - 0x30dc]
lea eax, [ebp - 0x30ec]
push eax
call fcn.004d910e
lea eax, [ebp - 0x9dc]
push eax
push 1
push dword [ebp - 0x30d4]
lea eax, [ebp - 0x30ec]
push eax
call fcn.004d910e
lea ecx, [ebp - 0x5f4]
add esp, 0x20
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4d90b9
sub ecx, edx
lea eax, [ebp - 0x5f4]
push ecx
push eax
mov ecx, edi
call fcn.004d6a46
lea edx, [ebp - 0x9dc]
lea edi, [edx + 1]
mov al, byte [edx]
inc edx
test al, al
jne 0x4d90da
mov ecx, dword [ebp - 0x3100]
lea eax, [ebp - 0x9dc]
sub edx, edi
push edx
push eax
call fcn.004d6a46
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov al, bl
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0042e2d5
leave
ret

Function at 0x4d985b
Capabilities:
Check mutex on windows

Disassembly:
push 0x1c
mov eax, 0x67ee17
call fcn.0042ee04
mov esi, ecx
lea ecx, [ebp - 0x28]
call fcn.004dc406
and dword [ebp - 4], 0
lea ecx, [ebp - 0x28]
call fcn.004dc41f
lea ecx, [ebp - 0x28]
mov dword [ebp - 0x18], 0xc
call fcn.004dc41b
push dword [ebp + 8]
and dword [ebp - 0x10], 0
mov dword [ebp - 0x14], eax
lea eax, [ebp - 0x18]
push 1
push eax
call dword [sym.imp.KERNEL32.dll_CreateMutexW]
mov dword [esi], eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
sub eax, 0xb7
lea ecx, [ebp - 0x28]
neg eax
sbb eax, eax
inc eax
mov dword [esi + 4], eax
call fcn.004dc416
call fcn.0042edde
ret 4
Function at 0x4d9a59
Capabilities:
Create process on windows
Get common file path
Get program files directory

Disassembly:
push 0x210
mov eax, 0x67ee3d
call fcn.0042ee38
mov esi, dword [ebp + 8]
push 1
push 0
push esi
push 0x693474
push str.open
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteW]
xor ebx, ebx
cmp eax, 0x20
setg bl
jle 0x4d99d5
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0x483
jne 0x4d9a51
push 0x208
xor ebx, ebx
lea eax, [ebp - 0x218]
push ebx
push eax
call fcn.00507c30
add esp, 0xc
lea eax, [ebp - 0x218]
push ebx
push 0x26
push eax
push ebx
call dword [sym.imp.SHELL32.dll_SHGetSpecialFolderPathW]
call fcn.00401c70
push eax
lea ecx, [ebp - 0x21c]
call fcn.0040ca50
lea eax, [ebp - 0x218]
mov dword [ebp - 4], ebx
push eax
lea eax, [ebp - 0x21c]
push str.__sInternet_Exploreriexplore.exe_
push eax
call fcn.004d98c7
add esp, 0xc
push 1
push ebx
push esi
mov esi, dword [ebp - 0x21c]
push esi
push str.open
push ebx
call dword [sym.imp.SHELL32.dll_ShellExecuteW]
cmp eax, 0x20
lea ecx, [esi - 0x10]
setg bl
call fcn.0040c280
mov eax, ebx
call fcn.0042edf3
ret
push ebp
mov ebp, esp
push 1
xor eax, eax
push eax
push eax
push dword [ebp + 8]
push str.open
push eax
call dword [sym.imp.SHELL32.dll_ShellExecuteW]
cmp eax, 0x20
jg 0x4d9a7c
pop ebp
jmp 0x4d9995
pop ebp
ret

Function at 0x4d9a7e
Capabilities:
Query or enumerate registry value

Disassembly:
push 0x14
mov eax, 0x67ee7e
call fcn.0042ee04
and dword [ebp - 0x20], 0
xor eax, eax
mov ebx, dword [ebp + 8]
and dword [ebx + 0x10], 0
mov dword [ebx + 0x14], 7
mov word [ebx], ax
and dword [ebp - 4], eax
push 0x208
mov dword [ebp - 0x20], 1
call fcn.0042e986
mov edx, eax
xor eax, eax
pop ecx
mov ecx, 0x82
mov dword [ebp - 0x14], edx
mov edi, edx
rep stosd dword es:[edi], eax
mov edi, 0x20019
mov dword [ebp - 0x1c], edi
lea eax, [ebp - 0x18]
push eax
push edi
push 0
push dword [ebp + 0x10]
push dword [ebp + 0xc]
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
mov esi, eax
test esi, esi
jne 0x4d9b84
lea eax, [ebp - 0x10]
mov dword [ebp - 0x10], 0x104
push eax
xor eax, eax
push eax
push eax
push eax
push dword [ebp + 0x14]
push dword [ebp - 0x18]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
mov esi, eax
test esi, esi
jne 0x4d9b7b
cmp dword [ebp - 0x10], 0x104
jbe 0x4d9b4c
push dword [ebp - 0x14]
call fcn.0042e981
mov eax, dword [ebp - 0x10]
xor ecx, ecx
push 2
inc eax
pop edx
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.0042e986
mov edi, eax
mov eax, dword [ebp - 0x10]
inc eax
mov dword [ebp - 0x14], edi
push eax
push esi
push edi
call fcn.0040d370
add esp, 0x14
jmp 0x4d9b4f
mov edi, dword [ebp - 0x14]
lea eax, [ebp - 0x10]
push eax
push edi
push 0
push 0
push dword [ebp + 0x14]
push dword [ebp - 0x18]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
push dword [ebp - 0x10]
mov ecx, ebx
mov esi, eax
push edi
call fcn.00404e30
push edi
call fcn.0042e981
mov edi, dword [ebp - 0x1c]
pop ecx
push dword [ebp - 0x18]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
push 2
pop eax
cmp esi, eax
jne 0x4d9ba6
cmp dword [ebp + 0xc], reloc.OLEAUT32.dll_SysReAllocString
jne 0x4d9ba6
cmp edi, 0x20019
jne 0x4d9ba6
mov edi, 0x20119
jmp 0x4d9acb
mov eax, ebx
call fcn.0042edde
ret
Function at 0x4dc01e
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
mov edx, ecx
cmp byte [edx + 4], 0
je 0x4dc04e
push esi
xor esi, esi
cmp dword [edx + 0x3cc], esi
jle 0x4dc04d
mov ecx, dword [ebp + 8]
push edi
mov edi, dword [ebp + 0xc]
sub edi, ecx
mov al, byte [edi + ecx]
xor byte [ecx], al
inc ecx
inc esi
cmp esi, dword [edx + 0x3cc]
jl 0x4dc03d
pop edi
pop esi
pop ebp
ret 8

Function at 0x4dc26f
Capabilities:
Encode data using base64

Disassembly:
push 0x10
mov eax, 0x67eee6
call fcn.0042ee04
xor ebx, ebx
mov dword [ebp - 0x1c], ebx
mov edi, ebx
mov eax, dword [ebp + 8]
mov dword [eax + 0x10], ebx
mov dword [eax + 0x14], 0xf
mov byte [eax], bl
mov dword [ebp - 4], ebx
mov dword [ebp - 0x1c], 1
cmp dword [ebp + 0x10], ebx
je 0x4dc3fa
mov eax, dword [ebp + 0x10]
push 3
pop esi
mov ecx, dword [ebp + 0xc]
dec eax
mov dword [ebp + 0x10], eax
mov al, byte [ecx]
mov byte [ebp + edi - 0x14], al
inc edi
mov dl, byte [ebp - 0x13]
inc ecx
mov dword [ebp + 0xc], ecx
mov ch, byte [ebp - 0x12]
mov cl, byte [ebp - 0x14]
mov byte [ebp - 0xf], ch
mov byte [ebp - 0xd], dl
mov byte [ebp - 0xe], cl
cmp edi, esi
jne 0x4dc340
mov esi, dword [ebp + 8]
mov al, cl
shr al, 2
and cl, 3
mov byte [ebp - 0x18], al
mov edi, ebx
shl cl, 4
mov al, dl
shr al, 4
add cl, al
mov al, ch
mov byte [ebp - 0x17], cl
mov cl, dl
and cl, 0xf
shr al, 6
shl cl, 2
add cl, al
mov al, ch
and al, 0x3f
mov byte [ebp - 0x16], cl
mov byte [ebp - 0x15], al
cmp dword [0x71a3d0], 0x10
mov ecx, 0x71a3bc
movzx eax, byte [ebp + edi - 0x18]
cmovae ecx, dword [0x71a3bc]
movzx eax, byte [eax + ecx]
mov ecx, esi
push eax
call fcn.00419cd0
inc edi
cmp edi, 4
jl 0x4dc308
mov dl, byte [ebp - 0xd]
mov edi, ebx
mov cl, byte [ebp - 0xe]
mov ch, byte [ebp - 0xf]
push 3
pop esi
mov eax, dword [ebp + 0x10]
test eax, eax
jne 0x4dc2aa
mov dword [ebp + 0x10], edi
test edi, edi
je 0x4dc3f7
mov eax, edi
cmp edi, esi
jge 0x4dc376
cmp eax, esi
jae 0x4dc400
mov byte [ebp + eax - 0x14], bl
inc eax
cmp eax, esi
jl 0x4dc35e
mov ch, byte [ebp - 0x12]
mov dl, byte [ebp - 0x13]
mov cl, byte [ebp - 0x14]
mov al, cl
and cl, 3
shr al, 2
mov byte [ebp - 0x18], al
mov al, dl
shr al, 4
and dl, 0xf
shl cl, 4
add cl, al
shl dl, 2
mov al, ch
mov byte [ebp - 0x17], cl
shr al, 6
and ch, 0x3f
add dl, al
mov byte [ebp - 0x15], ch
lea eax, [edi + 1]
mov byte [ebp - 0x16], dl
mov dword [ebp - 0x14], eax
test eax, eax
jle 0x4dc3e2
mov esi, dword [ebp + 8]
mov edi, eax
cmp dword [0x71a3d0], 0x10
mov ecx, 0x71a3bc
movzx eax, byte [ebp + ebx - 0x18]
cmovae ecx, dword [0x71a3bc]
movzx eax, byte [eax + ecx]
mov ecx, esi
push eax
call fcn.00419cd0
inc ebx
cmp ebx, edi
jl 0x4dc3b3
mov edi, dword [ebp + 0x10]
push 3
pop esi
cmp edi, esi
jge 0x4dc3f7
sub esi, edi
mov ecx, dword [ebp + 8]
push 0x3d
call fcn.00419cd0
sub esi, 1
jne 0x4dc3e8
mov eax, dword [ebp + 8]
call fcn.0042edde
ret
call fcn.0042eab0
int3