joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4d8531
Capabilities:
Get common file path
Get storage device properties

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x3100
call fcn.0042f4a0
mov eax, dword [0x71906c]
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.00507a50
push esi
lea eax, [ebp - 0x20c]
push ebx
push eax
call fcn.00507a50
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 0x4d85c7
mov al, 1
jmp 0x4d86d0
push 0x2710
lea eax, [ebp - 0x30ec]
mov dword [ebp - 0x30fc], ebx
push ebx
push eax
call fcn.00507a50
push 0x3e8
lea eax, [ebp - 0x9dc]
push ebx
push eax
call fcn.00507a50
push 0x3e8
lea eax, [ebp - 0x5f4]
push ebx
push eax
call fcn.00507a50
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 0x4d8649
mov bl, 2
jmp 0x4d86c7
lea eax, [ebp - 0x5f4]
push eax
push ebx
push dword [ebp - 0x30dc]
lea eax, [ebp - 0x30ec]
push eax
call fcn.004d86df
lea eax, [ebp - 0x9dc]
push eax
push 1
push dword [ebp - 0x30d4]
lea eax, [ebp - 0x30ec]
push eax
call fcn.004d86df
lea ecx, [ebp - 0x5f4]
add esp, 0x20
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4d868a
sub ecx, edx
lea eax, [ebp - 0x5f4]
push ecx
push eax
mov ecx, edi
call fcn.004d6017
lea edx, [ebp - 0x9dc]
lea edi, [edx + 1]
mov al, byte [edx]
inc edx
test al, al
jne 0x4d86ab
mov ecx, dword [ebp - 0x3100]
lea eax, [ebp - 0x9dc]
sub edx, edi
push edx
push eax
call fcn.004d6017
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.0042e165
leave
ret

Function at 0x4d967b
Capabilities:
Check mutex on windows

Disassembly:
push 0x1c
mov eax, 0x67ebba
call fcn.0042ec94
mov esi, ecx
lea ecx, [ebp - 0x28]
call fcn.004dc226
and dword [ebp - 4], 0
lea ecx, [ebp - 0x28]
call fcn.004dc23f
lea ecx, [ebp - 0x28]
mov dword [ebp - 0x18], 0xc
call fcn.004dc23b
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.004dc236
call fcn.0042ec6e
ret 4
Function at 0x4d9879
Capabilities:
Create process on windows
Get common file path
Get program files directory

Disassembly:
push 0x210
mov eax, 0x67ebe0
call fcn.0042ecc8
mov esi, dword [ebp + 8]
push 1
push 0
push esi
push 0x692478
push str.open
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteW]
xor ebx, ebx
cmp eax, 0x20
setg bl
jle 0x4d97f5
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0x483
jne 0x4d9871
push 0x208
xor ebx, ebx
lea eax, [ebp - 0x218]
push ebx
push eax
call fcn.00507a50
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.004d96e7
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.0042ec83
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 0x4d989c
pop ebp
jmp 0x4d97b5
pop ebp
ret

Function at 0x4d989e
Capabilities:
Query or enumerate registry value

Disassembly:
push 0x14
mov eax, 0x67ec21
call fcn.0042ec94
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.0042e816
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 0x4d99a4
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 0x4d999b
cmp dword [ebp - 0x10], 0x104
jbe 0x4d996c
push dword [ebp - 0x14]
call fcn.0042e811
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.0042e816
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 0x4d996f
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.0042e811
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 0x4d99c6
cmp dword [ebp + 0xc], reloc.OLEAUT32.dll_SysReAllocString
jne 0x4d99c6
cmp edi, 0x20019
jne 0x4d99c6
mov edi, 0x20119
jmp 0x4d98eb
mov eax, ebx
call fcn.0042ec6e
ret
Function at 0x4dbe3e
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
mov edx, ecx
cmp byte [edx + 4], 0
je 0x4dbe6e
push esi
xor esi, esi
cmp dword [edx + 0x3cc], esi
jle 0x4dbe6d
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 0x4dbe5d
pop edi
pop esi
pop ebp
ret 8

Function at 0x4dc08f
Capabilities:
Encode data using base64

Disassembly:
push 0x10
mov eax, 0x67ec89
call fcn.0042ec94
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 0x4dc21a
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 0x4dc160
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 [0x7193d0], 0x10
mov ecx, 0x7193bc
movzx eax, byte [ebp + edi - 0x18]
cmovae ecx, dword [0x7193bc]
movzx eax, byte [eax + ecx]
mov ecx, esi
push eax
call fcn.00419b60
inc edi
cmp edi, 4
jl 0x4dc128
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 0x4dc0ca
mov dword [ebp + 0x10], edi
test edi, edi
je 0x4dc217
mov eax, edi
cmp edi, esi
jge 0x4dc196
cmp eax, esi
jae 0x4dc220
mov byte [ebp + eax - 0x14], bl
inc eax
cmp eax, esi
jl 0x4dc17e
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 0x4dc202
mov esi, dword [ebp + 8]
mov edi, eax
cmp dword [0x7193d0], 0x10
mov ecx, 0x7193bc
movzx eax, byte [ebp + ebx - 0x18]
cmovae ecx, dword [0x7193bc]
movzx eax, byte [eax + ecx]
mov ecx, esi
push eax
call fcn.00419b60
inc ebx
cmp ebx, edi
jl 0x4dc1d3
mov edi, dword [ebp + 0x10]
push 3
pop esi
cmp edi, esi
jge 0x4dc217
sub esi, edi
mov ecx, dword [ebp + 8]
push 0x3d
call fcn.00419b60
sub esi, 1
jne 0x4dc208
mov eax, dword [ebp + 8]
call fcn.0042ec6e
ret
call fcn.0042e940
int3
Function at 0x4df9d0
Capabilities:
Check if file exists
Create directory

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x70
push ebx
push esi
push edi
mov eax, dword [ebp + 8]
mov dword [ebp - 0x64], eax
mov ecx, dword [ebp - 0x64]
add ecx, 2
mov dword [ebp - 0x68], ecx
mov edx, dword [ebp - 0x64]
mov ax, word [edx]
mov word [ebp - 0x6a], ax
add dword [ebp - 0x64], 2
cmp word [ebp - 0x6a], 0
jne 0x4df9e8
mov ecx, dword [ebp - 0x64]
sub ecx, dword [ebp - 0x68]
sar ecx, 1
mov dword [ebp - 0x70], ecx
mov edx, dword [ebp - 0x70]
mov dword [ebp - 4], edx
mov eax, dword [ebp - 4]
add eax, 1
xor ecx, ecx
mov edx, 2
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.0042e816
add esp, 4
mov dword [ebp - 0x5c], eax
mov eax, dword [ebp - 0x5c]
mov dword [ebp - 8], eax
mov eax, dword [ebp - 4]
add eax, 1
push eax
push 0
mov ecx, dword [ebp - 8]
push ecx
call fcn.0040d370
add esp, 0xc
mov eax, dword [ebp + 8]
push eax
mov ecx, dword [ebp - 4]
add ecx, 1
push ecx
mov edx, dword [ebp - 8]
push edx
call fcn.005197b7
add esp, 0xc
mov byte [ebp - 9], 1
mov dword [ebp - 0x10], 0
mov dword [ebp - 0x14], 0
jmp 0x4dfa7f
mov eax, dword [ebp - 0x10]
add eax, 1
mov dword [ebp - 0x10], eax
mov eax, dword [ebp - 0x10]
cmp eax, dword [ebp - 4]
jg 0x4dfaed
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebp - 8]
movzx edx, word [ecx + eax*2]
cmp edx, 0x5c
jne 0x4dfaeb
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebp - 8]
mov dx, word [ecx + eax*2]
mov word [ebp - 0x18], dx
xor eax, eax
mov ecx, dword [ebp - 0x10]
mov edx, dword [ebp - 8]
mov word [edx + ecx*2], ax
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x4dfad4
push 0
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
test eax, eax
jne 0x4dfad4
mov byte [ebp - 9], 0
jmp 0x4dfaed
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebp - 8]
mov dx, word [ebp - 0x18]
mov word [ecx + eax*2], dx
mov eax, dword [ebp - 0x10]
add eax, 1
mov dword [ebp - 0x14], eax
jmp 0x4dfa76
mov eax, dword [ebp - 8]
mov dword [ebp - 0x60], eax
mov ecx, dword [ebp - 0x60]
push ecx
call fcn.0042e811
add esp, 4
mov al, byte [ebp - 9]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4e0ce0
Capabilities:
Check if file exists

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x67f4c0
mov eax, dword fs:[0]
push eax
sub esp, 0x2c0
mov eax, dword [0x71906c]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
push 0x67
push 0x6f
push 0x6c
push 0x74
push 0x6e
push 0x65
push 0x74
push 0x6e
push 0x6f
push 0x43
push 0x70
push 0x74
push 0x74
push 0x48
push 0x77
push 0x6f
push 0x68
push 0x53
push 0x695ba0
lea eax, [ebp - 0x28]
push eax
call fcn.004cd364
add esp, 0x50
mov dword [ebp - 4], 0
lea ecx, [ebp - 0x40]
call fcn.00406af0
mov byte [ebp - 4], 1
push 0x691f64
lea ecx, [ebp - 0x40]
call fcn.00408bb0
push 0x691f68
lea ecx, [ebp - 0x40]
call fcn.00408bb0
push 0x700384
lea ecx, [ebp - 0x40]
call fcn.00408bb0
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x40]
call fcn.0042d9d9
lea ecx, [ebp - 0x40]
call fcn.00408ba0
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x4e0e03
push 0x208
push 0
lea eax, [ebp - 0x248]
push eax
call fcn.00507a50
add esp, 0xc
push 0x104
lea eax, [ebp - 0x248]
push eax
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
lea eax, [ebp - 0x248]
push eax
call dword [sym.imp.SHLWAPI.dll_PathRemoveFileSpecW]
lea ecx, [ebp - 0x40]
call fcn.004dfd90
lea eax, [ebp - 0x248]
push eax
lea ecx, [ebp - 0x40]
call fcn.00408bb0
push 0x700384
lea ecx, [ebp - 0x40]
call fcn.00408bb0
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x40]
call fcn.0042d9d9
lea ecx, [ebp - 0x40]
call fcn.00408ba0
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x4e0e1f
mov byte [ebp - 0x2ca], 1
jmp 0x4e0e26
mov byte [ebp - 0x2ca], 0
mov al, byte [ebp - 0x2ca]
mov byte [ebp - 0x2c9], al
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x40]
call fcn.00404d80
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x28]
call fcn.00404d80
mov al, byte [ebp - 0x2c9]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.0042e165
mov esp, ebp
pop ebp
ret
Function at 0x4e31f0
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x60
push ebx
push esi
push edi
mov dword [ebp - 4], ecx
cmp dword [ebp + 8], 0
je 0x4e3208
cmp dword [ebp + 0xc], 0
jne 0x4e3212
mov eax, 1
jmp 0x4e330d
push 0
push 0x80
push 3
push 0
push 5
push SysReAllocString
mov eax, dword [ebp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0xffffffff
jne 0x4e3242
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4e330d
mov dword [ebp - 0xc], 0
lea eax, [ebp - 0x10]
push eax
mov ecx, dword [ebp - 8]
push ecx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [ebp - 0x14], eax
cmp dword [ebp - 0x14], 0xffffffff
jne 0x4e326b
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4e330d
mov eax, dword [ebp - 0x14]
mov dword [ebp - 0xc], eax
cmp dword [ebp - 0xc], 0xffffffff
jb 0x4e3281
mov eax, 8
jmp 0x4e330d
cmp dword [ebp + 0x10], 0
je 0x4e328f
mov eax, dword [ebp + 0x10]
mov ecx, dword [ebp - 0xc]
mov dword [eax], ecx
mov eax, dword [ebp - 0xc]
add eax, 1
push eax
call fcn.0042e816
add esp, 4
mov dword [ebp - 0x60], eax
mov ecx, dword [ebp + 0xc]
mov edx, dword [ebp - 0x60]
mov dword [ecx], edx
mov eax, dword [ebp - 0xc]
add eax, 1
push eax
push 0
mov ecx, dword [ebp + 0xc]
mov edx, dword [ecx]
push edx
call fcn.00507a50
add esp, 0xc
mov dword [ebp - 0x18], 0
push 0
lea eax, [ebp - 0x18]
push eax
mov ecx, dword [ebp - 0xc]
push ecx
mov edx, dword [ebp + 0xc]
mov eax, dword [edx]
push eax
mov ecx, dword [ebp - 8]
push ecx
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov dword [ebp - 0x1c], eax
cmp dword [ebp - 0x1c], 0
jne 0x4e32f2
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4e330d
mov eax, dword [ebp - 0x18]
cmp eax, dword [ebp - 0xc]
je 0x4e3301
mov eax, 1
jmp 0x4e330d
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
Function at 0x4e38e0
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x50
push ebx
push esi
push edi
mov dword [ebp - 4], ecx
cmp dword [ebp + 8], 0
je 0x4e38fc
mov eax, dword [ebp + 8]
movzx ecx, word [eax]
test ecx, ecx
jne 0x4e3903
mov eax, 1
jmp 0x4e3965
push 0
push 0x80
push 2
push 0
push 0
push 0xc0000000
mov eax, dword [ebp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0xffffffff
jne 0x4e3930
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4e3965
push 0
lea eax, [ebp - 0xc]
push eax
mov ecx, dword [ebp + 0x10]
push ecx
mov edx, dword [ebp + 0xc]
push edx
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov dword [ebp - 0x10], eax
cmp dword [ebp - 0x10], 0
jne 0x4e3959
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4e3965
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
Function at 0x4eb7c0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
xor edx, edx
mov ecx, edx
mov eax, edx
and ecx, 1
shr eax, 1
neg ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
shr eax, 1
and ecx, 1
neg ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
shr eax, 1
and ecx, 1
neg ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
shr eax, 1
and ecx, 1
neg ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov dword [edx*4 + 0x72b840], eax
inc edx
cmp edx, 0x100
jb 0x4eb7c2
push esi
mov eax, 0x72b844
mov esi, 0x1c0
mov edx, dword [eax - 4]
lea eax, [eax + 0x10]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x72b840]
mov dword [eax + 0x3ec], edx
mov edx, dword [eax - 0x10]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x72b840]
mov dword [eax + 0x3f0], edx
mov edx, dword [eax - 0xc]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x72b840]
mov dword [eax + 0x3f4], edx
mov edx, dword [eax - 8]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x72b840]
mov dword [eax + 0x3f8], edx
sub esi, 1
jne 0x4eb867
mov dword [0x72b830], 0x4ece20
mov dword [0x72b828], 0x4ece20
mov dword [0x72b82c], 0x4ecec0
call fcn.004ecc30
mov ecx, dword [0x72b828]
test eax, eax
mov edx, 0x4ecec0
cmove ecx, edx
mov dword [0x72b828], ecx
pop esi
ret

Function at 0x4eba20
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
push edi
mov edi, dword [ebp + 0x10]
mov esi, dword [edi]
test esi, esi
je 0x4eba73
mov ebx, dword [ebp + 0xc]
mov dword [edi], 0
push 0
mov ecx, 0x400000
mov dword [ebp + 0x10], 0
lea eax, [ebp + 0x10]
cmp esi, ecx
push eax
mov eax, esi
cmova eax, ecx
push eax
mov eax, dword [ebp + 8]
push ebx
push dword [eax]
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov ecx, dword [ebp + 0x10]
add ebx, ecx
add dword [edi], ecx
sub esi, ecx
test eax, eax
je 0x4eba7a
test ecx, ecx
je 0x4eba73
test esi, esi
jne 0x4eba38
pop edi
pop esi
xor eax, eax
pop ebx
pop ebp
ret
pop edi
pop esi
pop ebx
pop ebp
jmp dword [sym.imp.KERNEL32.dll_GetLastError]

Function at 0x4eba90
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
push edi
mov edi, dword [ebp + 0x10]
mov esi, dword [edi]
test esi, esi
je 0x4ebae3
mov ebx, dword [ebp + 0xc]
mov dword [edi], 0
push 0
mov ecx, 0x400000
mov dword [ebp + 0x10], 0
lea eax, [ebp + 0x10]
cmp esi, ecx
push eax
mov eax, esi
cmova eax, ecx
push eax
mov eax, dword [ebp + 8]
push ebx
push dword [eax]
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov ecx, dword [ebp + 0x10]
add ebx, ecx
add dword [edi], ecx
sub esi, ecx
test eax, eax
je 0x4ebaea
test ecx, ecx
je 0x4ebae3
test esi, esi
jne 0x4ebaa8
pop edi
pop esi
xor eax, eax
pop ebx
pop ebp
ret
pop edi
pop esi
pop ebx
pop ebp
jmp dword [sym.imp.KERNEL32.dll_GetLastError]
Function at 0x4ed2f0
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [ebp + 0xc]
push esi
mov esi, dword [ebp + 0x14]
push edi
xor edi, edi
mov esi, dword [esi]
and esi, 7
cmp eax, 5
jae 0x4ed310
pop edi
xor eax, eax
pop esi
mov esp, ebp
pop ebp
ret
add dword [ebp + 0x10], 5
mov ecx, dword [ebp + 8]
push ebx
lea ebx, [eax - 4]
add ebx, ecx
mov dword [ebp - 4], ebx
lea eax, [edi + ecx]
cmp eax, ebx
jae 0x4ed339
mov cl, byte [eax]
and cl, 0xfe
cmp cl, 0xe8
je 0x4ed336
inc eax
cmp eax, ebx
jb 0x4ed327
mov ecx, dword [ebp + 8]
mov edx, eax
sub edx, edi
mov edi, eax
sub edx, ecx
sub edi, ecx
cmp eax, ebx
jae 0x4ed43d
cmp edx, 2
jbe 0x4ed3c2
xor esi, esi
movzx edx, byte [eax + 4]
lea ecx, [edx + 1]
test cl, 0xfe
jne 0x4ed429
movzx ecx, byte [eax + 3]
mov ebx, dword [ebp + 0x10]
shl edx, 8
add ebx, edi
or edx, ecx
movzx ecx, byte [eax + 2]
shl edx, 8
or edx, ecx
movzx ecx, byte [eax + 1]
shl edx, 8
or edx, ecx
mov ecx, edx
add edx, ebx
sub ecx, ebx
cmp dword [ebp + 0x18], 0
cmove edx, ecx
mov dword [ebp + 0xc], edx
mov ebx, edx
test esi, esi
je 0x4ed3f9
and esi, 6
shl esi, 2
mov ecx, esi
shr edx, cl
inc edx
test dl, 0xfe
jne 0x4ed3f7
mov ebx, 0x100
shl ebx, cl
mov ecx, dword [ebp + 0x10]
dec ebx
xor ebx, dword [ebp + 0xc]
add ecx, edi
cmp dword [ebp + 0x18], 0
je 0x4ed3f5
add ebx, ecx
jmp 0x4ed3f7
mov ecx, edx
shr esi, cl
test esi, esi
je 0x4ed352
cmp esi, 4
ja 0x4ed3e7
cmp esi, 3
je 0x4ed3e7
mov ecx, esi
shr ecx, 1
movzx ecx, byte [ecx + eax + 1]
inc ecx
test cl, 0xfe
jne 0x4ed352
mov ecx, dword [ebp + 8]
or esi, 8
shr esi, 1
inc edi
jmp 0x4ed320
sub ebx, ecx
xor esi, esi
mov ecx, ebx
mov byte [eax + 1], bl
shr ecx, 8
mov byte [eax + 2], cl
mov ecx, ebx
shr ebx, 0x18
and bl, 1
shr ecx, 0x10
neg bl
mov byte [eax + 3], cl
mov ecx, dword [ebp + 8]
mov byte [eax + 4], bl
mov eax, 5
mov ebx, dword [ebp - 4]
add edi, eax
jmp 0x4ed320
mov ecx, dword [ebp + 8]
or esi, 8
mov eax, 1
shr esi, 1
add edi, eax
jmp 0x4ed320
mov eax, dword [ebp + 0x14]
mov ecx, edx
shr esi, cl
xor ecx, ecx
cmp edx, 2
pop ebx
cmovbe ecx, esi
mov dword [eax], ecx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret

Function at 0x4f1dec
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0x1c]
push dword [ebp + 0x18]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateThread]
pop ebp
ret

Function at 0x528e57
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00528b1a

Function at 0x528e62
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00528c9b

Function at 0x52cd84
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0052ca44
Function at 0x53c870
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
xor edx, edx
push ebx
push esi
mov esi, dword [ebp + 8]
mov ebx, 0x1505
add eax, esi
mov ecx, eax
sub ecx, esi
push edi
xor edi, edi
cmp esi, eax
cmova ecx, edx
mov dword [ebp + 8], ecx
test ecx, ecx
je 0x53c8b9
mov al, byte [esi]
push eax
call fcn.0054bc40
movsx ecx, al
lea esi, [esi + 1]
mov eax, ebx
inc edi
shl eax, 5
add esp, 4
add eax, ebx
xor ecx, eax
mov ebx, ecx
cmp edi, dword [ebp + 8]
jb 0x53c897
pop edi
pop esi
movzx eax, bl
pop ebx
pop ebp
ret