joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4164de
Capabilities:
Encode data using base64

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
push ebx
push esi
push edi
mov edi, dword [ebp + 0x14]
xor eax, eax
xor esi, esi
mov byte [ebp - 4], al
mov byte [ebp - 3], al
mov byte [ebp - 2], al
mov byte [ebp - 8], al
mov byte [ebp - 7], al
mov byte [ebp - 6], al
mov byte [ebp - 5], al
mov dword [edi], eax
mov eax, dword [ebp + 0xc]
mov ecx, eax
dec eax
test ecx, ecx
je 0x41665d
inc eax
mov dword [ebp - 0xc], eax
mov eax, dword [ebp + 8]
inc esi
inc dword [ebp + 8]
cmp esi, 3
mov al, byte [eax]
mov byte [ebp + esi - 5], al
mov dl, byte [ebp - 2]
mov al, byte [ebp - 3]
mov cl, byte [ebp - 4]
jne 0x4165a3
mov dl, cl
mov bl, al
shr dl, 2
mov byte [ebp - 8], dl
mov dl, cl
and dl, 3
shl dl, 4
shr bl, 4
add dl, bl
mov bl, byte [ebp - 2]
mov byte [ebp - 7], dl
mov dl, al
and dl, 0xf
shl dl, 2
shr bl, 6
add dl, bl
mov byte [ebp - 6], dl
mov dl, byte [ebp - 2]
mov bl, dl
and bl, 0x3f
and dword [ebp + 0xc], 0
mov byte [ebp - 5], bl
mov ebx, dword [0x505214]
test ebx, ebx
jne 0x41657f
mov esi, 0x4ced04
jmp 0x416589
mov esi, dword [ebp + 0xc]
movzx esi, byte [ebp + esi - 8]
add esi, ebx
mov bl, byte [esi]
mov edi, dword [edi]
mov esi, dword [ebp + 0x10]
mov byte [edi + esi], bl
mov edi, dword [ebp + 0x14]
inc dword [edi]
inc dword [ebp + 0xc]
cmp dword [ebp + 0xc], 4
jl 0x41656e
xor esi, esi
dec dword [ebp - 0xc]
jne 0x416517
test esi, esi
je 0x41665d
cmp esi, 3
jge 0x4165de
push 3
lea edi, [ebp + esi - 4]
pop ecx
xor eax, eax
sub ecx, esi
mov edx, ecx
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, edx
and ecx, 3
rep stosb byte es:[edi], al
mov dl, byte [ebp - 2]
mov al, byte [ebp - 3]
mov cl, byte [ebp - 4]
mov edi, dword [ebp + 0x14]
mov bl, cl
and cl, 3
shr bl, 2
mov byte [ebp - 8], bl
mov bl, al
shl cl, 4
shr bl, 4
add cl, bl
and dword [ebp + 8], 0
mov byte [ebp - 7], cl
and al, 0xf
mov cl, dl
and dl, 0x3f
shl al, 2
shr cl, 6
add al, cl
lea ecx, [esi + 1]
test ecx, ecx
mov byte [ebp - 6], al
mov byte [ebp - 5], dl
jle 0x416645
mov edx, dword [0x505214]
test edx, edx
jne 0x416627
mov eax, 0x4ced04
jmp 0x416631
mov eax, dword [ebp + 8]
movzx eax, byte [ebp + eax - 8]
add eax, edx
mov edx, dword [edi]
mov ebx, dword [ebp + 0x10]
mov al, byte [eax]
mov byte [edx + ebx], al
inc dword [edi]
inc dword [ebp + 8]
cmp dword [ebp + 8], ecx
jl 0x416616
cmp esi, 3
jge 0x41665d
push 4
pop eax
sub eax, ecx
mov ecx, dword [edi]
mov edx, dword [ebp + 0x10]
mov byte [ecx + edx], 0x3d
inc dword [edi]
dec eax
jne 0x41664f
mov eax, dword [edi]
pop edi
pop esi
pop ebx
leave
ret 0x10
Function at 0x4171bd
Capabilities:
Hash data with md5

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

Function at 0x4186d3
Capabilities:
Access peb ldr_data
Get ntdll base address

Disassembly:
mov eax, 0x4c68a4
call fcn.0045727c
push ecx
mov eax, dword [0x4fd1f0]
push esi
mov esi, ecx
mov dword [ebp - 0x10], esi
mov dword [esi + 0x18], eax
mov eax, dword [0x4fd1f0]
and dword [ebp - 4], 0
mov dword [esi + 0x20], eax
mov eax, dword [0x4fd1f0]
mov dword [esi + 0x24], eax
mov eax, dword [0x4fd1f0]
mov dword [esi + 0x28], eax
mov eax, dword [0x4fd1f0]
mov dword [esi + 0x2c], eax
mov eax, dword [0x4fd1f0]
mov dword [esi + 0x30], eax
mov eax, dword [0x4fd1f0]
mov dword [esi + 0x34], eax
mov eax, dword [0x4fd1f0]
mov dword [esi + 0x38], eax
mov eax, dword [ebp + 8]
mov byte [ebp - 4], 7
mov dword [esi + 8], eax
mov eax, dword [ebp + 0xc]
mov dword [esi], 0x4d0530
mov dword [esi + 0xc], eax
call fcn.0041b998
mov ecx, dword [ebp - 0xc]
mov eax, esi
pop esi
mov dword fs:[0], ecx
leave
ret 8

Function at 0x419c7a
Capabilities:
Create process on windows
Create process suspended
Terminate process

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
mov esi, ecx
push edi
xor edi, edi
lea eax, [esi + 0x60]
lea ebx, [esi + 4]
mov dword [ebp - 4], eax
push ebx
mov dword [eax], edi
lea eax, [esi + 0x14]
push eax
push edi
push edi
push 0x20
push edi
push edi
push edi
mov dword [esi + 0x5c], edi
push dword [ebp + 8]
push edi
call dword [sym.imp.KERNEL32.dll_CreateProcessW]
test eax, eax
jne 0x419cb2
or eax, 0xffffffff
jmp 0x419d27
cmp dword [ebp + 0xc], edi
mov dword [esi + 0x5c], 0xa
je 0x419cee
mov dword [ebp + 8], edi
push 0x64
push dword [ebx]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
test eax, eax
je 0x419cf8
mov eax, dword [ebp + 0xc]
cmp dword [eax], edi
je 0x419cc1
add dword [ebp + 8], 0x64
mov eax, dword [ebp + 8]
cmp eax, dword [esi + 0x58]
jl 0x419cc1
push 1
push dword [ebx]
call dword [sym.imp.KERNEL32.dll_TerminateProcess]
jmp 0x419cf8
push 0xffffffffffffffff
push dword [ebx]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
mov eax, dword [ebp + 0xc]
mov dword [esi + 0x5c], 0x64
cmp eax, edi
je 0x419d0f
cmp dword [eax], edi
je 0x419d0f
push 1
pop eax
jmp 0x419d27
mov esi, dword [ebp - 4]
push esi
push dword [ebx]
mov dword [esi], 1
call dword [sym.imp.KERNEL32.dll_GetExitCodeProcess]
mov eax, dword [esi]
neg eax
sbb eax, eax
pop edi
pop esi
pop ebx
leave
ret 8
Function at 0x419d2e
Capabilities:
Create process on windows
Create process suspended
Terminate process

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
mov esi, ecx
xor ebx, ebx
push edi
lea eax, [esi + 0x60]
lea edi, [esi + 4]
mov dword [ebp - 4], eax
push edi
mov dword [eax], ebx
lea eax, [esi + 0x14]
push eax
push ebx
push ebx
push 0x20
push ebx
push ebx
push ebx
mov dword [esi + 0x5c], ebx
push dword [ebp + 8]
push ebx
call dword [sym.imp.KERNEL32.dll_CreateProcessW]
test eax, eax
jne 0x419d66
or eax, 0xffffffff
jmp 0x419dde
cmp dword [ebp + 0xc], ebx
mov dword [esi + 0x5c], 0xa
je 0x419da5
mov dword [ebp + 8], ebx
push 0x64
push dword [edi]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
test eax, eax
je 0x419daf
mov eax, dword [ebp + 0xc]
mov eax, dword [eax]
cmp eax, dword [ebp + 0x10]
jne 0x419d75
add dword [ebp + 8], 0x64
mov eax, dword [ebp + 8]
cmp eax, dword [esi + 0x58]
jl 0x419d75
push 1
push dword [edi]
call dword [sym.imp.KERNEL32.dll_TerminateProcess]
jmp 0x419daf
push 0xffffffffffffffff
push dword [edi]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
mov eax, dword [ebp + 0xc]
mov dword [esi + 0x5c], 0x64
cmp eax, ebx
je 0x419dc6
cmp dword [eax], ebx
je 0x419dc6
push 1
pop eax
jmp 0x419dde
mov esi, dword [ebp - 4]
push esi
push dword [edi]
mov dword [esi], 1
call dword [sym.imp.KERNEL32.dll_GetExitCodeProcess]
mov eax, dword [esi]
neg eax
sbb eax, eax
pop edi
pop esi
pop ebx
leave
ret 0xc

Function at 0x41a7b6
Capabilities:
Set registry value

Disassembly:
push ebp
mov ebp, esp
cmp dword [ebp + 0x14], 0
push esi
jne 0x41a7e4
push dword [ebp + 0x10]
call dword [sym.imp.KERNEL32.dll_lstrlenW]
shl eax, 1
push eax
push dword [ebp + 0x10]
push 1
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.ADVAPI32.dll_RegSetValueW]
neg eax
sbb eax, eax
inc eax
jmp 0x41a833
lea eax, [ebp + 0xc]
push eax
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.ADVAPI32.dll_RegCreateKeyW]
test eax, eax
jne 0x41a831
push dword [ebp + 0x10]
call dword [sym.imp.KERNEL32.dll_lstrlenW]
lea eax, [eax + eax + 2]
push eax
push dword [ebp + 0x10]
push 1
push 0
push dword [ebp + 0x14]
push dword [ebp + 0xc]
call dword [sym.imp.ADVAPI32.dll_RegSetValueExW]
push dword [ebp + 0xc]
mov esi, eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
test eax, eax
jne 0x41a831
test esi, esi
jne 0x41a831
push 1
pop eax
jmp 0x41a833
xor eax, eax
pop esi
pop ebp
ret 0x10
Function at 0x41a838
Capabilities:
Delete registry key
Query or enumerate registry key

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20c
push esi
push edi
push dword [ebp + 0xc]
call fcn.004585df
pop ecx
mov esi, eax
push esi
call dword [sym.imp.KERNEL32.dll_lstrlenW]
lea eax, [esi + eax*2]
test eax, eax
je 0x41a8b4
and word [eax], 0
lea eax, [ebp + 0xc]
push eax
push esi
push dword [ebp + 8]
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyW]
test eax, eax
jne 0x41a8b4
lea eax, [ebp - 0x20c]
xor edi, edi
push 0x105
push eax
push edi
push dword [ebp + 0xc]
call dword [sym.imp.ADVAPI32.dll_RegEnumKeyW]
test eax, eax
jne 0x41a891
push 1
pop edi
push dword [ebp + 0xc]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
test edi, edi
jne 0x41a8b4
push esi
push dword [ebp + 8]
call dword [sym.imp.ADVAPI32.dll_RegDeleteKeyW]
push 0x5c
push esi
call fcn.00457c90
pop ecx
pop ecx
jmp 0x41a858
push esi
call fcn.00457ba7
pop ecx
push 1
pop eax
pop edi
pop esi
leave
ret 8

Function at 0x41a8c4
Capabilities:
Delete file

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x820
push 0x3ff
lea eax, [ebp - 0x820]
push dword [ebp + 8]
push eax
call fcn.004572f8
lea eax, [ebp - 0x820]
push eax
call fcn.0045860d
and word [ebp + eax*2 - 0x81e], 0
push 0x1e
lea eax, [ebp - 0x20]
push 0
push eax
call fcn.004572a0
mov eax, dword [ebp + 0x10]
add esp, 0x1c
mov dword [ebp - 0x20], eax
lea eax, [ebp - 0x820]
mov dword [ebp - 0x18], eax
mov ax, word [ebp + 0xc]
mov word [ebp - 0x10], ax
lea eax, [ebp - 0x20]
push eax
mov dword [ebp - 0x1c], 3
call dword [sym.imp.SHELL32.dll_SHFileOperationW]
test eax, eax
je 0x41a937
or eax, 0xffffffff
leave
ret
xor eax, eax
cmp dword [ebp - 0xe], eax
setne al
leave
ret

Function at 0x41ae3e
Capabilities:
Create process on windows

Disassembly:
mov eax, 0x4c6d88
call fcn.0045727c
push ecx
push ecx
push ebx
push 0x504fac
lea ecx, [ebp - 0x10]
call fcn.004af74a
lea eax, [ebp - 0x10]
xor ebx, ebx
push eax
mov dword [ebp - 4], ebx
push dword [ebp + 8]
call fcn.0041ab8c
pop ecx
test eax, eax
pop ecx
je 0x41ae7a
push dword [ebp + 8]
lea ecx, [ebp - 0x10]
call fcn.004af86d
mov eax, dword [0x4fd1f0]
mov dword [ebp - 0x14], eax
push dword [ebp - 0x10]
lea eax, [ebp - 0x14]
mov byte [ebp - 4], 1
push str._select___s_
push eax
call fcn.004ad007
add esp, 0xc
push 1
push ebx
push dword [ebp - 0x14]
push str.explorer.exe
push ebx
push ebx
call dword [sym.imp.SHELL32.dll_ShellExecuteW]
lea ecx, [ebp - 0x14]
mov byte [ebp - 4], bl
call fcn.004af6d6
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x10]
call fcn.004af6d6
mov ecx, dword [ebp - 0xc]
xor eax, eax
pop ebx
mov dword fs:[0], ecx
leave
ret
Function at 0x41af5c
Capabilities:
Shutdown system

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
lea eax, [ebp - 4]
push esi
xor esi, esi
push eax
push 0x28
mov dword [ebp - 4], esi
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call dword [sym.imp.ADVAPI32.dll_OpenProcessToken]
test eax, eax
je 0x41afbe
lea eax, [ebp - 0x10]
push eax
push str.SeShutdownPrivilege
push esi
call dword [sym.imp.ADVAPI32.dll_LookupPrivilegeValueW]
push esi
push esi
lea eax, [ebp - 0x14]
push esi
push eax
push esi
push dword [ebp - 4]
mov dword [ebp - 0x14], 1
mov dword [ebp - 8], 2
call dword [sym.imp.ADVAPI32.dll_AdjustTokenPrivileges]
test eax, eax
je 0x41afbe
push esi
push dword [ebp + 8]
call dword [sym.imp.USER32.dll_ExitWindowsEx]
jmp 0x41afc0
xor eax, eax
pop esi
leave
ret

Function at 0x41c83d
Capabilities:
Get common file path

Disassembly:
mov eax, 0x4c6fff
call fcn.0045727c
sub esp, 0x808
push ebx
push edi
xor ebx, ebx
mov ecx, 0x1ff
xor eax, eax
lea edi, [ebp - 0x812]
mov word [ebp - 0x814], bx
push ebx
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
lea eax, [ebp - 0x814]
push 0x1a
push eax
push ebx
mov dword [ebp - 0x14], ebx
call dword [sym.imp.SHELL32.dll_SHGetSpecialFolderPathW]
cmp eax, ebx
jge 0x41c88f
push dword [ebp + 8]
call fcn.0041c718
pop ecx
mov eax, dword [ebp + 8]
jmp 0x41c8eb
push esi
push 0x504fac
lea ecx, [ebp - 0x10]
call fcn.004af74a
push 1
lea eax, [ebp - 0x814]
pop esi
push 0x4eccec
push 0x4eb604
push eax
lea eax, [ebp - 0x10]
push str._s_s_s
push eax
mov dword [ebp - 4], esi
call fcn.004ad007
push dword [ebp - 0x10]
call fcn.0041ad1f
mov ecx, dword [ebp + 8]
add esp, 0x18
lea eax, [ebp - 0x10]
push eax
call fcn.004af443
lea ecx, [ebp - 0x10]
mov dword [ebp - 0x14], esi
mov byte [ebp - 4], bl
call fcn.004af6d6
mov eax, dword [ebp + 8]
pop esi
mov ecx, dword [ebp - 0xc]
pop edi
pop ebx
mov dword fs:[0], ecx
leave
ret

Function at 0x41c8f9
Capabilities:
Check if file exists

Disassembly:
mov eax, 0x4c703b
call fcn.0045727c
sub esp, 0x10
and dword [ebp - 0x1c], 0
lea eax, [ebp - 0x14]
push ebx
push eax
call fcn.0041c718
push 1
lea eax, [ebp - 0x14]
pop ebx
mov dword [ebp - 4], ebx
mov dword [esp], str.Components
push eax
lea eax, [ebp - 0x10]
push eax
call fcn.004af97b
push dword [ebp - 0x10]
mov byte [ebp - 4], 2
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x41c96a
lea eax, [ebp - 0x14]
push str.Modules
push eax
lea eax, [ebp - 0x18]
push eax
call fcn.004af97b
push eax
lea ecx, [ebp - 0x10]
mov byte [ebp - 4], 3
call fcn.004af81d
lea ecx, [ebp - 0x18]
mov byte [ebp - 4], 2
call fcn.004af6d6
mov ecx, dword [ebp + 8]
lea eax, [ebp - 0x10]
push eax
call fcn.004af443
mov dword [ebp - 0x1c], ebx
lea ecx, [ebp - 0x10]
mov byte [ebp - 4], bl
call fcn.004af6d6
and byte [ebp - 4], 0
lea ecx, [ebp - 0x14]
call fcn.004af6d6
mov ecx, dword [ebp - 0xc]
mov eax, dword [ebp + 8]
pop ebx
mov dword fs:[0], ecx
leave
ret
Function at 0x41c9a0
Capabilities:
Get common file path

Disassembly:
mov eax, 0x4c706f
call fcn.0045727c
sub esp, 0x80c
and word [ebp - 0x818], 0
push ebx
push edi
mov ecx, 0x1ff
xor eax, eax
lea edi, [ebp - 0x816]
rep stosd dword es:[edi], eax
and dword [ebp - 0x18], 0
stosw word es:[edi], ax
lea eax, [ebp - 0x818]
push eax
push 0x3ff
call dword [sym.imp.KERNEL32.dll_GetTempPathW]
mov eax, dword [0x4fd1f0]
mov dword [ebp - 0x10], eax
push 1
lea eax, [ebp - 0x10]
pop ebx
push eax
mov dword [ebp - 4], ebx
call fcn.0041a941
mov eax, dword [0x4fd1f0]
pop ecx
mov dword [ebp - 0x14], eax
push dword [ebp - 0x10]
lea eax, [ebp - 0x818]
mov byte [ebp - 4], 2
push eax
lea eax, [ebp - 0x14]
push str._s_s
push eax
call fcn.004ad007
mov ecx, dword [ebp + 8]
add esp, 0x10
lea eax, [ebp - 0x14]
push eax
call fcn.004af443
mov dword [ebp - 0x18], ebx
lea ecx, [ebp - 0x14]
mov byte [ebp - 4], bl
call fcn.004af6d6
and byte [ebp - 4], 0
lea ecx, [ebp - 0x10]
call fcn.004af6d6
mov ecx, dword [ebp - 0xc]
mov eax, dword [ebp + 8]
pop edi
pop ebx
mov dword fs:[0], ecx
leave
ret

Function at 0x41ea03
Capabilities:
Set registry value

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x1010
call fcn.00457370
push ebx
push edi
xor edi, edi
push 0x1001
lea eax, [ebp - 0x1010]
push edi
mov ebx, ecx
push eax
call fcn.004572a0
add esp, 0xc
lea eax, [ebp - 8]
mov ecx, ebx
mov dword [ebp - 8], 0x1001
push dword [ebp + 0xc]
push eax
lea eax, [ebp - 0x1010]
push eax
call fcn.0041eac7
test eax, eax
jne 0x41ea71
lea eax, [ebp - 0xc]
mov dword [ebp - 4], edi
push eax
lea eax, [ebp - 4]
push eax
push edi
push 2
push edi
push edi
push edi
push dword [ebp + 8]
mov dword [ebp - 0xc], edi
push SysReAllocString
call dword [sym.imp.ADVAPI32.dll_RegCreateKeyExW]
test eax, eax
je 0x41ea76
or eax, 0xffffffff
jmp 0x41ea9f
push dword [ebp - 8]
lea eax, [ebp - 0x1010]
push eax
push 3
push edi
push edi
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegSetValueExW]
test eax, eax
je 0x41ea94
or edi, 0xffffffff
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, edi
pop edi
pop ebx
leave
ret 8
Function at 0x41ee21
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x1010
call fcn.00457370
push ebx
mov ebx, ecx
mov ecx, dword [ebp + 0xc]
push esi
push 0x504fac
call fcn.004af86d
xor esi, esi
push 0x1001
lea eax, [ebp - 0x1010]
push esi
push eax
call fcn.004572a0
add esp, 0xc
lea eax, [ebp - 0xc]
mov dword [ebp - 4], esi
mov dword [ebp - 8], esi
push eax
lea eax, [ebp - 8]
push eax
push esi
push 1
push esi
push esi
push esi
push dword [ebp + 8]
mov dword [ebp - 0xc], esi
push SysReAllocString
call dword [sym.imp.ADVAPI32.dll_RegCreateKeyExW]
test eax, eax
je 0x41ee84
or eax, 0xffffffff
jmp 0x41eede
lea eax, [ebp - 4]
mov dword [ebp - 4], 0x1001
push eax
lea eax, [ebp - 0x1010]
push eax
lea eax, [ebp + 8]
push eax
push esi
push esi
mov dword [ebp + 8], 3
push dword [ebp - 8]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
push dword [ebp - 8]
test eax, eax
je 0x41eebb
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
jmp 0x41ee7f
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
cmp dword [ebp - 4], esi
je 0x41ee7f
push dword [ebp + 0xc]
lea eax, [ebp - 0x1010]
mov ecx, ebx
push dword [ebp - 4]
push eax
call fcn.0041eee4
neg eax
sbb eax, eax
pop esi
pop ebx
leave
ret 8
Function at 0x4204d5
Capabilities:
Get common file path

Disassembly:
mov eax, 0x4c7564
call fcn.0045727c
sub esp, 0x830
and word [ebp - 0x83c], 0
push esi
push edi
mov ecx, 0x1ff
xor eax, eax
lea edi, [ebp - 0x83a]
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
lea eax, [ebp - 0x83c]
push 0x3ff
push eax
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryW]
lea eax, [ebp - 0x83c]
lea ecx, [ebp - 0x14]
push eax
call fcn.004af74a
and dword [ebp - 4], 0
push str._bootstat.dat
lea ecx, [ebp - 0x14]
call fcn.004afac7
push 0x24
lea eax, [ebp - 0x3c]
push 0
push eax
call fcn.004572a0
add esp, 0xc
lea eax, [ebp - 0x10]
push eax
call fcn.004ad7fe
lea eax, [ebp - 0x3c]
push eax
push dword [ebp - 0x14]
call fcn.004589d7
pop ecx
test eax, eax
pop ecx
jne 0x420579
mov eax, dword [ebp - 0x20]
push ecx
mov ecx, esp
mov esi, eax
mov dword [ebp - 0x18], esp
mov dword [ecx], eax
lea ecx, [ebp - 0x10]
call fcn.0042059d
test eax, eax
je 0x420579
mov dword [ebp - 0x10], esi
mov esi, dword [ebp + 8]
mov eax, dword [ebp - 0x10]
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x14]
mov dword [esi], eax
call fcn.004af6d6
mov ecx, dword [ebp - 0xc]
mov eax, esi
pop edi
mov dword fs:[0], ecx
pop esi
leave
ret
Function at 0x428b5f
Capabilities:
Check for time delay via gettickcount

Disassembly:
mov eax, 0x4c7a48
call fcn.0045727c
sub esp, 0x24
push ebx
push esi
push edi
mov esi, ecx
xor edi, edi
mov dword [ebp - 0x10], esp
mov dword [ebp - 0x1c], esi
mov dword [esi + 0xa0], edi
call fcn.00429377
cmp eax, edi
je 0x428ce9
or ebx, 0xffffffff
cmp eax, ebx
je 0x428bc5
cmp eax, 0xfffffffe
je 0x428bfa
mov eax, dword [esi + 0x9c]
cmp eax, edi
je 0x428bae
push eax
mov ecx, esi
call fcn.0041bb5e
test eax, eax
jne 0x428bfa
push dword [esi + 0x94]
lea ecx, [esi + 0x70]
call fcn.004295f9
cmp eax, edi
je 0x428bc8
cmp eax, 0xfffffffe
je 0x428bfa
push edi
jmp 0x428c05
cmp word [esi + 0x78], 2
jne 0x428ce9
mov eax, esi
mov ecx, esi
cdq
mov edi, eax
lea eax, [esi + 0x8c]
push eax
lea eax, [esi + 0x88]
push eax
mov dword [ebp - 0x2c], edx
mov dword [ebp - 0x28], edi
mov dword [ebp - 0x24], edx
call fcn.0042940b
cmp eax, ebx
jne 0x428bfe
push 0x28
jmp 0x428c05
cmp eax, 0xfffffffe
jne 0x428c15
push 0x15
push 4
mov ecx, esi
call fcn.00428ec9
mov eax, ebx
jmp 0x428cf2
and dword [ebp - 4], 0
lea eax, [ebp - 0x28]
push eax
mov ecx, esi
call fcn.00429227
test eax, eax
je 0x428c44
push 0x28
push 4
mov ecx, esi
call fcn.00428ec9
lea eax, [ebp - 0x14]
push 0x4e1880
push eax
mov dword [ebp - 0x14], ebx
call fcn.004588df
mov ebx, dword [sym.imp.KERNEL32.dll_GetTickCount]
call ebx
test al, 1
jne 0x428c82
mov eax, dword [ebp - 0x28]
mov ecx, dword [ebp - 0x24]
add eax, 2
adc ecx, 0
cmp eax, edi
jne 0x428c65
cmp ecx, dword [ebp - 0x2c]
je 0x428c82
push 0x28
push 4
mov ecx, esi
call fcn.00428ec9
or dword [ebp - 0x18], 0xffffffff
lea eax, [ebp - 0x18]
push 0x4e1880
push eax
call fcn.004588df
or dword [ebp - 4], 0xffffffff
test byte [esi + 0x10], 1
je 0x428ca1
mov ecx, esi
call fcn.004295d8
cmp eax, 0xffffffff
jne 0x428c9c
push 0
jmp 0x428cc4
cmp eax, 0xfffffffe
je 0x428cc2
call ebx
push 3
xor edx, edx
pop ecx
div ecx
test edx, edx
jne 0x428ce9
mov eax, dword [ebp - 0x28]
mov ecx, dword [ebp - 0x24]
add eax, 2
adc ecx, edx
cmp eax, edi
jne 0x428cc2
cmp ecx, dword [ebp - 0x2c]
je 0x428ce9
push 0x28
push 4
mov ecx, esi
call fcn.00428ec9
or eax, 0xffffffff
jmp 0x428cf2
mov ecx, esi
call fcn.00428f51
xor eax, eax
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
leave
ret
Function at 0x42970b
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x1010
call fcn.00457370
push ebx
mov ebx, ecx
mov ecx, dword [ebp + 0xc]
push esi
push 0x504fac
call fcn.004af86d
xor esi, esi
push 0x1001
lea eax, [ebp - 0x1010]
push esi
push eax
call fcn.004572a0
add esp, 0xc
lea eax, [ebp - 0xc]
mov dword [ebp - 4], esi
mov dword [ebp - 8], esi
push eax
lea eax, [ebp - 8]
push eax
push esi
push 1
push esi
push esi
push esi
push dword [ebp + 8]
mov dword [ebp - 0xc], esi
push SysReAllocString
call dword [sym.imp.ADVAPI32.dll_RegCreateKeyExW]
test eax, eax
je 0x42976e
or eax, 0xffffffff
jmp 0x4297c8
lea eax, [ebp - 4]
mov dword [ebp - 4], 0x1001
push eax
lea eax, [ebp - 0x1010]
push eax
lea eax, [ebp + 8]
push eax
push esi
push esi
mov dword [ebp + 8], 3
push dword [ebp - 8]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
push dword [ebp - 8]
test eax, eax
je 0x4297a5
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
jmp 0x429769
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
cmp dword [ebp - 4], esi
je 0x429769
push dword [ebp + 0xc]
lea eax, [ebp - 0x1010]
mov ecx, ebx
push dword [ebp - 4]
push eax
call fcn.00429870
neg eax
sbb eax, eax
pop esi
pop ebx
leave
ret 8

Function at 0x4297ce
Capabilities:
Set registry value

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x1010
call fcn.00457370
push ebx
push edi
xor edi, edi
push 0x1001
lea eax, [ebp - 0x1010]
push edi
mov ebx, ecx
push eax
call fcn.004572a0
add esp, 0xc
lea eax, [ebp - 8]
mov ecx, ebx
mov dword [ebp - 8], 0x1001
push dword [ebp + 0xc]
push eax
lea eax, [ebp - 0x1010]
push eax
call fcn.0042997f
test eax, eax
jne 0x42983c
lea eax, [ebp - 0xc]
mov dword [ebp - 4], edi
push eax
lea eax, [ebp - 4]
push eax
push edi
push 2
push edi
push edi
push edi
push dword [ebp + 8]
mov dword [ebp - 0xc], edi
push SysReAllocString
call dword [sym.imp.ADVAPI32.dll_RegCreateKeyExW]
test eax, eax
je 0x429841
or eax, 0xffffffff
jmp 0x42986a
push dword [ebp - 8]
lea eax, [ebp - 0x1010]
push eax
push 3
push edi
push edi
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegSetValueExW]
test eax, eax
je 0x42985f
or edi, 0xffffffff
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, edi
pop edi
pop ebx
leave
ret 8
Function at 0x42a13f
Capabilities:
Get common file path

Disassembly:
mov eax, 0x4c7b6c
call fcn.0045727c
sub esp, 0x830
push esi
lea eax, [ebp - 0x10]
push edi
push eax
call fcn.004ad7fe
and word [ebp - 0x83c], 0
mov ecx, 0x1ff
xor eax, eax
lea edi, [ebp - 0x83a]
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
lea eax, [ebp - 0x83c]
push 0x3ff
push eax
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryW]
lea eax, [ebp - 0x83c]
lea ecx, [ebp - 0x14]
push eax
call fcn.004af74a
and dword [ebp - 4], 0
push str._bootstat.dat
lea ecx, [ebp - 0x14]
call fcn.004afac7
push 0x24
lea eax, [ebp - 0x3c]
push 0
push eax
call fcn.004572a0
lea eax, [ebp - 0x3c]
push eax
push dword [ebp - 0x14]
call fcn.004589d7
add esp, 0x14
test eax, eax
jne 0x42a1e1
mov eax, dword [ebp - 0x20]
push ecx
mov ecx, esp
mov esi, eax
mov dword [ebp - 0x18], esp
mov dword [ecx], eax
lea ecx, [ebp - 0x10]
call fcn.0042059d
test eax, eax
je 0x42a1e1
mov dword [ebp - 0x10], esi
mov esi, dword [ebp + 8]
mov eax, dword [ebp - 0x10]
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x14]
mov dword [esi], eax
call fcn.004af6d6
mov ecx, dword [ebp - 0xc]
mov eax, esi
pop edi
mov dword fs:[0], ecx
pop esi
leave
ret

Function at 0x42c40b
Capabilities:
Access peb ldr_data
Get kernel32 base address
Get number of processors

Disassembly:
mov eax, 0x4c81ae
call fcn.0045727c
push ecx
mov eax, dword [0x4fd1f0]
push ebx
push esi
mov esi, ecx
push edi
mov dword [ebp - 0x10], esi
lea ecx, [esi + 0xc]
mov dword [ecx], eax
mov eax, dword [0x4fd1f0]
xor edi, edi
mov dword [ebp - 4], edi
mov dword [esi + 0x10], eax
mov ebx, 0x504fac
mov byte [ebp - 4], 1
push ebx
mov dword [esi], 0x4d17d4
mov dword [esi + 4], edi
mov dword [esi + 8], edi
call fcn.004af86d
push ebx
lea ecx, [esi + 0x10]
call fcn.004af86d
mov ecx, dword [ebp - 0xc]
push 0x64
pop eax
mov dword [esi + 0x18], edi
mov dword [esi + 0x14], eax
mov dword [esi + 0x1c], edi
mov dword [esi + 0x20], edi
mov dword [esi + 0x24], edi
mov dword [esi + 0x28], edi
mov dword [esi + 0x2c], edi
mov dword [esi + 0x30], eax
mov eax, esi
pop edi
pop esi
pop ebx
mov dword fs:[0], ecx
leave
ret