joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4d49fb
Capabilities:
Check os version

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x120
mov eax, dword [0x70d06c]
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.00501b40
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.004d49b0
mov eax, dword [ebp - 0x11c]
add esp, 0xc
cmp eax, 5
jne 0x4d4a7a
cmp dword [ebp - 0x118], ebx
jbe 0x4d4ac0
cmp dword [ebp - 0x118], 1
setne bl
inc ebx
jmp 0x4d4ac0
cmp eax, 6
jne 0x4d4aa5
cmp byte [ebp - 6], 1
jne 0x4d4aa0
mov eax, dword [ebp - 0x118]
sub eax, ebx
je 0x4d4a9c
sub eax, 1
je 0x4d4a98
push 7
jmp 0x4d4aa2
push 5
jmp 0x4d4aa2
push 3
jmp 0x4d4aa2
push 4
pop ebx
jmp 0x4d4ac0
push 0xa
pop ecx
cmp eax, ecx
jne 0x4d4abd
cmp dword [ebp - 0x114], 0x55f0
sbb ebx, ebx
add ebx, 9
jmp 0x4d4ac0
cmova ebx, ecx
mov ecx, dword [ebp - 4]
mov eax, ebx
xor ecx, ebp
pop ebx
call fcn.004296e5
leave
ret

Function at 0x4d4dd9
Capabilities:
Check mutex on windows

Disassembly:
push 0x1c
mov eax, 0x67539b
call fcn.0042a214
mov esi, ecx
lea ecx, [ebp - 0x28]
call fcn.004d78e3
and dword [ebp - 4], 0
lea ecx, [ebp - 0x28]
call fcn.004d78fc
lea ecx, [ebp - 0x28]
mov dword [ebp - 0x18], 0xc
call fcn.004d78f8
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.004d78f3
call fcn.0042a1ee
ret 4

Function at 0x4d4fd7
Capabilities:
Create process on windows
Get common file path
Get program files directory

Disassembly:
push 0x210
mov eax, 0x6753c1
call fcn.0042a248
mov esi, dword [ebp + 8]
push 1
push 0
push esi
push 0x689440
push str.open
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteW]
xor ebx, ebx
cmp eax, 0x20
setg bl
jle 0x4d4f53
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0x483
jne 0x4d4fcf
push 0x208
xor ebx, ebx
lea eax, [ebp - 0x218]
push ebx
push eax
call fcn.00501b40
add esp, 0xc
lea eax, [ebp - 0x218]
push ebx
push 0x26
push eax
push ebx
call dword [sym.imp.SHELL32.dll_SHGetSpecialFolderPathW]
call fcn.00401d70
push eax
lea ecx, [ebp - 0x21c]
call fcn.0040b800
lea eax, [ebp - 0x218]
mov dword [ebp - 4], ebx
push eax
lea eax, [ebp - 0x21c]
push str.__sInternet_Exploreriexplore.exe_
push eax
call fcn.004d4e45
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.0040b040
mov eax, ebx
call fcn.0042a203
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 0x4d4ffa
pop ebp
jmp 0x4d4f13
pop ebp
ret
Function at 0x4d4ffd
Capabilities:
Query or enumerate registry value

Disassembly:
push 0x14
mov eax, 0x675402
call fcn.0042a214
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.00429d96
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 0x4d5103
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 0x4d50fa
cmp dword [ebp - 0x10], 0x104
jbe 0x4d50cb
push dword [ebp - 0x14]
call fcn.00429d91
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.00429d96
mov edi, eax
mov eax, dword [ebp - 0x10]
inc eax
mov dword [ebp - 0x14], edi
push eax
push esi
push edi
call fcn.0040bf40
add esp, 0x14
jmp 0x4d50ce
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.00404490
push edi
call fcn.00429d91
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 0x4d5125
cmp dword [ebp + 0xc], reloc.OLEAUT32.dll_SysReAllocString
jne 0x4d5125
cmp edi, 0x20019
jne 0x4d5125
mov edi, 0x20119
jmp 0x4d504a
mov eax, ebx
call fcn.0042a1ee
ret
Function at 0x4d74fb
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
mov edx, ecx
cmp byte [edx + 4], 0
je 0x4d752b
push esi
xor esi, esi
cmp dword [edx + 0x3cc], esi
jle 0x4d752a
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 0x4d751a
pop edi
pop esi
pop ebp
ret 8

Function at 0x4d774c
Capabilities:
Encode data using base64

Disassembly:
push 0x10
mov eax, 0x67546a
call fcn.0042a214
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 0x4d78d7
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 0x4d781d
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 [0x70d3f0], 0x10
mov ecx, 0x70d3dc
movzx eax, byte [ebp + edi - 0x18]
cmovae ecx, dword [0x70d3dc]
movzx eax, byte [eax + ecx]
mov ecx, esi
push eax
call fcn.004165e0
inc edi
cmp edi, 4
jl 0x4d77e5
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 0x4d7787
mov dword [ebp + 0x10], edi
test edi, edi
je 0x4d78d4
mov eax, edi
cmp edi, esi
jge 0x4d7853
cmp eax, esi
jae 0x4d78dd
mov byte [ebp + eax - 0x14], bl
inc eax
cmp eax, esi
jl 0x4d783b
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 0x4d78bf
mov esi, dword [ebp + 8]
mov edi, eax
cmp dword [0x70d3f0], 0x10
mov ecx, 0x70d3dc
movzx eax, byte [ebp + ebx - 0x18]
cmovae ecx, dword [0x70d3dc]
movzx eax, byte [eax + ecx]
mov ecx, esi
push eax
call fcn.004165e0
inc ebx
cmp ebx, edi
jl 0x4d7890
mov edi, dword [ebp + 0x10]
push 3
pop esi
cmp edi, esi
jge 0x4d78d4
sub esi, edi
mov ecx, dword [ebp + 8]
push 0x3d
call fcn.004165e0
sub esi, 1
jne 0x4d78c5
mov eax, dword [ebp + 8]
call fcn.0042a1ee
ret
call fcn.00429ec0
int3
Function at 0x4da760
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 0x4da778
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.00429d96
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.0040bf40
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.00511e56
add esp, 0xc
mov byte [ebp - 9], 1
mov dword [ebp - 0x10], 0
mov dword [ebp - 0x14], 0
jmp 0x4da80f
mov eax, dword [ebp - 0x10]
add eax, 1
mov dword [ebp - 0x10], eax
mov eax, dword [ebp - 0x10]
cmp eax, dword [ebp - 4]
jg 0x4da87d
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebp - 8]
movzx edx, word [ecx + eax*2]
cmp edx, 0x5c
jne 0x4da87b
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 0x4da864
push 0
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
test eax, eax
jne 0x4da864
mov byte [ebp - 9], 0
jmp 0x4da87d
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 0x4da806
mov eax, dword [ebp - 8]
mov dword [ebp - 0x60], eax
mov ecx, dword [ebp - 0x60]
push ecx
call fcn.00429d91
add esp, 4
mov al, byte [ebp - 9]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4dab20
Capabilities:
Check if file exists
Delete file

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x675a3e
mov eax, dword fs:[0]
push eax
sub esp, 0xc8
mov eax, dword [0x70d06c]
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
cmp dword [ebp + 8], 0
je 0x4dab5a
cmp dword [ebp + 0xc], 0
jne 0x4dab61
xor al, al
jmp 0x4dacfe
mov eax, dword [ebp + 0xc]
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x4dab7d
mov eax, dword [ebp + 0xc]
push eax
call fcn.004da760
add esp, 4
jmp 0x4dab87
mov eax, dword [ebp + 0xc]
push eax
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push 0x6f513c
lea eax, [ebp - 0x14]
push eax
call fcn.004da3b0
add esp, 8
mov dword [ebp - 4], 0
push 0
lea ecx, [ebp - 0x14]
call fcn.004da680
mov ecx, eax
call fcn.004df780
push 0
lea ecx, [ebp - 0x14]
call fcn.004da680
mov ecx, eax
call fcn.004df7a0
cmp dword [ebp + 0x10], 0
je 0x4dabda
mov eax, dword [ebp + 0x10]
push eax
lea ecx, [ebp - 0x14]
call fcn.004da680
mov ecx, eax
call fcn.004df560
cmp dword [ebp + 0x14], 0
je 0x4dabf3
mov eax, dword [ebp + 0x14]
push eax
lea ecx, [ebp - 0x14]
call fcn.004da680
mov ecx, eax
call fcn.004df590
push 0
push 0x3a8
sub esp, 0x18
mov ecx, esp
mov dword [ebp - 0x88], esp
mov eax, dword [ebp + 0xc]
push eax
call fcn.00404440
lea ecx, [ebp - 0xa0]
push ecx
call fcn.004ca7b9
add esp, 0x20
mov dword [ebp - 0xc4], eax
mov edx, dword [ebp - 0xc4]
mov dword [ebp - 0xc8], edx
mov byte [ebp - 4], 1
mov eax, dword [ebp - 0xc8]
push eax
push 0xfde9
sub esp, 0x18
mov ecx, esp
mov dword [ebp - 0xa4], esp
mov edx, dword [ebp + 8]
push edx
call fcn.00404440
lea eax, [ebp - 0xbc]
push eax
call fcn.004ca7b9
add esp, 0x20
mov dword [ebp - 0xcc], eax
mov ecx, dword [ebp - 0xcc]
mov dword [ebp - 0xd0], ecx
mov byte [ebp - 4], 2
mov edx, dword [ebp - 0xd0]
push edx
lea eax, [ebp - 0x44]
push eax
lea ecx, [ebp - 0x14]
call fcn.004da680
mov ecx, eax
call fcn.004dfb40
mov dword [ebp - 0xd4], eax
mov byte [ebp - 4], 1
lea ecx, [ebp - 0xbc]
call fcn.00402940
mov byte [ebp - 4], 0
lea ecx, [ebp - 0xa0]
call fcn.00402940
cmp dword [ebp - 0x44], 0xc8
jne 0x4daccb
mov dword [ebp - 0xc4], 1
jmp 0x4dacd5
mov dword [ebp - 0xc4], 0
mov al, byte [ebp - 0xc4]
mov byte [ebp - 0xbd], al
lea ecx, [ebp - 0x44]
call fcn.004da640
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x14]
call fcn.004da5e0
mov al, byte [ebp - 0xbd]
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.004296e5
mov esp, ebp
pop ebp
ret
Function at 0x4db590
Capabilities:
Check if file exists

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x675b70
mov eax, dword fs:[0]
push eax
sub esp, 0x2c0
mov eax, dword [0x70d06c]
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 str._c_c_c_c_c_c_c_c_c_c_c_c_c_c_c._c_c_c
lea eax, [ebp - 0x28]
push eax
call fcn.004c9b24
add esp, 0x50
mov dword [ebp - 4], 0
lea ecx, [ebp - 0x40]
call fcn.00405dd0
mov byte [ebp - 4], 1
push 0x688f54
lea ecx, [ebp - 0x40]
call fcn.00408250
push 0x688f58
lea ecx, [ebp - 0x40]
call fcn.00408250
push 0x6f4fb8
lea ecx, [ebp - 0x40]
call fcn.00408250
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x40]
call fcn.00421fc0
lea ecx, [ebp - 0x40]
call fcn.00408240
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x4db6b3
push 0x208
push 0
lea eax, [ebp - 0x248]
push eax
call fcn.00501b40
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.004248d0
lea eax, [ebp - 0x248]
push eax
lea ecx, [ebp - 0x40]
call fcn.00408250
push 0x6f4fb8
lea ecx, [ebp - 0x40]
call fcn.00408250
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x40]
call fcn.00421fc0
lea ecx, [ebp - 0x40]
call fcn.00408240
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x4db6cf
mov byte [ebp - 0x2ca], 1
jmp 0x4db6d6
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.004043e0
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x28]
call fcn.004043e0
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.004296e5
mov esp, ebp
pop ebp
ret
Function at 0x4dd970
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 0x4dd988
cmp dword [ebp + 0xc], 0
jne 0x4dd992
mov eax, 1
jmp 0x4dda8d
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 0x4dd9c2
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4dda8d
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 0x4dd9eb
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4dda8d
mov eax, dword [ebp - 0x14]
mov dword [ebp - 0xc], eax
cmp dword [ebp - 0xc], 0xffffffff
jb 0x4dda01
mov eax, 8
jmp 0x4dda8d
cmp dword [ebp + 0x10], 0
je 0x4dda0f
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.00429d96
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.00501b40
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 0x4dda72
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4dda8d
mov eax, dword [ebp - 0x18]
cmp eax, dword [ebp - 0xc]
je 0x4dda81
mov eax, 1
jmp 0x4dda8d
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 0x4de060
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 0x4de07c
mov eax, dword [ebp + 8]
movzx ecx, word [eax]
test ecx, ecx
jne 0x4de083
mov eax, 1
jmp 0x4de0e5
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 0x4de0b0
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4de0e5
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 0x4de0d9
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4de0e5
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 0x4e58b0
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 + 0x71fa60], eax
inc edx
cmp edx, 0x100
jb 0x4e58b2
push esi
mov eax, 0x71fa64
mov esi, 0x1c0
mov edx, dword [eax - 4]
lea eax, [eax + 0x10]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x71fa60]
mov dword [eax + 0x3ec], edx
mov edx, dword [eax - 0x10]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x71fa60]
mov dword [eax + 0x3f0], edx
mov edx, dword [eax - 0xc]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x71fa60]
mov dword [eax + 0x3f4], edx
mov edx, dword [eax - 8]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x71fa60]
mov dword [eax + 0x3f8], edx
sub esi, 1
jne 0x4e5957
mov dword [0x71fa50], 0x4e6f10
mov dword [0x71fa48], 0x4e6f10
mov dword [0x71fa4c], 0x4e6fb0
call fcn.004e6d20
mov ecx, dword [0x71fa48]
test eax, eax
mov edx, 0x4e6fb0
cmove ecx, edx
mov dword [0x71fa48], ecx
pop esi
ret

Function at 0x4e5b10
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 0x4e5b63
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 0x4e5b6a
test ecx, ecx
je 0x4e5b63
test esi, esi
jne 0x4e5b28
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 0x4e5b80
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 0x4e5bd3
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 0x4e5bda
test ecx, ecx
je 0x4e5bd3
test esi, esi
jne 0x4e5b98
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 0x4e73e0
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 0x4e7400
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 0x4e7429
mov cl, byte [eax]
and cl, 0xfe
cmp cl, 0xe8
je 0x4e7426
inc eax
cmp eax, ebx
jb 0x4e7417
mov ecx, dword [ebp + 8]
mov edx, eax
sub edx, edi
mov edi, eax
sub edx, ecx
sub edi, ecx
cmp eax, ebx
jae 0x4e752d
cmp edx, 2
jbe 0x4e74b2
xor esi, esi
movzx edx, byte [eax + 4]
lea ecx, [edx + 1]
test cl, 0xfe
jne 0x4e7519
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 0x4e74e9
and esi, 6
shl esi, 2
mov ecx, esi
shr edx, cl
inc edx
test dl, 0xfe
jne 0x4e74e7
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 0x4e74e5
add ebx, ecx
jmp 0x4e74e7
mov ecx, edx
shr esi, cl
test esi, esi
je 0x4e7442
cmp esi, 4
ja 0x4e74d7
cmp esi, 3
je 0x4e74d7
mov ecx, esi
shr ecx, 1
movzx ecx, byte [ecx + eax + 1]
inc ecx
test cl, 0xfe
jne 0x4e7442
mov ecx, dword [ebp + 8]
or esi, 8
shr esi, 1
inc edi
jmp 0x4e7410
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 0x4e7410
mov ecx, dword [ebp + 8]
or esi, 8
mov eax, 1
shr esi, 1
add edi, eax
jmp 0x4e7410
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 0x4ebedc
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 0x522c96
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00522959

Function at 0x522ca1
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00522ada

Function at 0x526c94
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00526954
Function at 0x536860
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 0x5368a9
mov al, byte [esi]
push eax
call fcn.00545c60
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 0x536887
pop edi
pop esi
movzx eax, bl
pop ebx
pop ebp
ret