joyce8/EMBER2024-capa huggingface dataset:
Function at 0x403d30
Capabilities:
Check os version

Disassembly:
mov ecx, 1
mov edx, 0x814148
xor eax, eax
lock cmpxchg dword [edx], ecx
test eax, eax
jne 0x403e59
cmp dword fs:[0xc0], eax
je 0x403d5b
mov dword [0x814144], 1
mov eax, dword fs:[0x18]
push ebx
push esi
mov ebx, 1
mov esi, dword [eax + 0x30]
mov eax, dword [esi + 0xa4]
mov dword [0x81402c], eax
mov eax, dword [esi + 0xa8]
mov dword [0x814030], eax
movzx edx, word [esi + 0xac]
mov dword [0x814034], edx
mov eax, dword [esi + 0xb0]
mov dword [0x814038], eax
mov eax, dword [esi + 0x1f4]
test eax, eax
je 0x403dbb
push 0x7f
push eax
push 0x81403c
call fcn.00401210
mov edx, dword [0x814034]
add esp, 0xc
jmp 0x403dc3
xor eax, eax
mov word [0x81403c], ax
movzx eax, byte [esi + 0xaf]
mov ecx, 0xff
mov word [0x81413c], ax
movzx eax, word [esi + 0xae]
and ax, cx
mov word [0x81413e], ax
movzx eax, word [0x7ffe02d0]
mov word [0x814140], ax
mov ecx, eax
mov byte [0x814142], 0
cmp byte [0x7ffe0268], 0
je 0x403e0a
mov ebx, dword [0x7ffe0264]
pop esi
mov byte [0x814142], bl
cmp ebx, 1
pop ebx
jne 0x403e24
and ecx, 0xffef
mov word [0x814140], cx
test edx, edx
jne 0x403e59
call fcn.00403d30
cmp dword [0x81402c], 6
ja 0x403e59
jb 0x403e41
cmp dword [0x814030], 4
jae 0x403e59
call fcn.00403d30
cmp dword [0x81402c], 0xa
jae 0x403e59
mov dword [0x814034], 1
ret

Function at 0x41d482
Capabilities:
Execute syscall

Disassembly:
mov edx, esp
sysenter
ret
Function at 0x406291
Capabilities:
Terminate process

Disassembly:
cmp ecx, dword [0x4261d0]
jne 0x40629b
repz ret
jmp fcn.0040871c

Function at 0x40adfc
Capabilities:
Link many functions at runtime

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x24
mov eax, dword [0x4261d0]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
mov dword [ebp - 0x20], eax
mov eax, dword [ebp + 0xc]
push esi
push edi
mov dword [ebp - 0x1c], eax
call fcn.004074b2
and dword [ebp - 0x14], 0
cmp dword [0x427a30], 0
mov dword [ebp - 0x18], eax
jne 0x40aeaf
push str.USER32.DLL
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
mov ebx, eax
test ebx, ebx
je 0x40af57
mov edi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push str.MessageBoxW
push ebx
call edi
test eax, eax
je 0x40af57
mov esi, dword [sym.imp.KERNEL32.dll_EncodePointer]
push eax
call esi
push str.GetActiveWindow
push ebx
mov dword [0x427a30], eax
call edi
push eax
call esi
push str.GetLastActivePopup
push ebx
mov dword [0x427a34], eax
call edi
push eax
call esi
push str.GetUserObjectInformationW
push ebx
mov dword [0x427a38], eax
call edi
push eax
call esi
mov dword [0x427a40], eax
test eax, eax
je 0x40aeaf
push str.GetProcessWindowStation
push ebx
call edi
push eax
call esi
mov dword [0x427a3c], eax
mov eax, dword [0x427a3c]
mov ecx, dword [ebp - 0x18]
mov esi, dword [sym.imp.KERNEL32.dll_DecodePointer]
cmp eax, ecx
je 0x40af08
cmp dword [0x427a40], ecx
je 0x40af08
push eax
call esi
push dword [0x427a40]
mov edi, eax
call esi
mov ebx, eax
test edi, edi
je 0x40af08
test ebx, ebx
je 0x40af08
call edi
test eax, eax
je 0x40aeff
lea ecx, [ebp - 0x24]
push ecx
push 0xc
lea ecx, [ebp - 0x10]
push ecx
push 1
push eax
call ebx
test eax, eax
je 0x40aeff
test byte [ebp - 8], 1
jne 0x40af08
or dword [ebp + 0x10], 0x200000
jmp 0x40af3b
mov eax, dword [0x427a34]
cmp eax, dword [ebp - 0x18]
je 0x40af3b
push eax
call esi
test eax, eax
je 0x40af3b
call eax
mov dword [ebp - 0x14], eax
test eax, eax
je 0x40af3b
mov eax, dword [0x427a38]
cmp eax, dword [ebp - 0x18]
je 0x40af3b
push eax
call esi
test eax, eax
je 0x40af3b
push dword [ebp - 0x14]
call eax
mov dword [ebp - 0x14], eax
push dword [0x427a30]
call esi
test eax, eax
je 0x40af57
push dword [ebp + 0x10]
push dword [ebp - 0x1c]
push dword [ebp - 0x20]
push dword [ebp - 0x14]
call eax
jmp 0x40af59
xor eax, eax
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00406291
leave
ret

Function at 0x401219
Capabilities:
Terminate process

Disassembly:
mov eax, dword fs:[0]
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x40501c
push 0x40109a
push eax
mov dword fs:[0], esp
sub esp, 0x10
push ebx
push esi
push edi
mov dword [ebp - 0x18], esp
push eax
fnstcw word [esp]
or word [esp], 0x300
fldcw word [esp]
add esp, 4
push 0
push 0
push 0x405028
push 0x405024
push 0x405020
call sub.CRTDLL.DLL___GetMainArgs
push dword [0x405028]
push dword [0x405024]
push dword [0x405020]
mov dword [0x405014], esp
call fcn.0040129c
add esp, 0x18
xor ecx, ecx
mov dword [ebp - 4], ecx
push eax
call sub.CRTDLL.DLL_exit
leave
ret
Function at 0x1000e2ee
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push 0x424
mov eax, 0x10022f17
call fcn.100214ba
mov eax, dword [ebp + 0xc]
mov esi, dword [ebp + 8]
mov dword [ebp - 0x424], eax
mov eax, dword [ebp + 0x10]
xor ebx, ebx
mov dword [ebp - 0x420], eax
mov dword [ebp - 0x428], ebx
mov dword [ebp - 4], ebx
mov dword [ebp - 0x42c], ecx
mov dword [ebp - 0x430], ebx
mov dword [ebp - 0x418], ebx
mov byte [ebp - 4], 1
cmp esi, ebx
je 0x1000e39c
push esi
call dword [sym.imp.kernel32.dll_lstrlenW]
inc eax
push 2
push eax
mov dword [ebp - 0x41c], eax
lea eax, [ebp - 0x41c]
push eax
call fcn.10020d1a
add esp, 0xc
test eax, eax
js 0x1000e39c
mov edi, dword [ebp - 0x41c]
cmp edi, 0x400
jg 0x1000e382
push edi
call fcn.100033e4
pop ecx
test al, al
je 0x1000e382
mov eax, edi
call fcn.100216b0
mov dword [ebp - 0x10], esp
mov eax, esp
jmp 0x1000e38e
push edi
lea ecx, [ebp - 0x428]
call fcn.10020d1a
push 3
push edi
push esi
push eax
call fcn.10020d1a
cmp eax, ebx
jne 0x1000e3d9
lea eax, [ebp - 0x414]
cmp dword [ebp - 0x418], eax
je 0x1000e3b5
lea ecx, [ebp - 0x418]
call fcn.1000cdea
mov esi, 0x8007000e
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x428]
call fcn.10002dcb
mov eax, esi
lea esp, [ebp - 0x440]
call fcn.10021516
ret 0x10
push 2
push ebx
push eax
call fcn.1000cff7
mov edi, eax
mov dword [ebp - 0x41c], edi
cmp edi, ebx
jne 0x1000e3fa
call fcn.10003ef0
mov esi, eax
jmp 0x1000e4c4
push dword [ebp - 0x420]
push dword [ebp - 0x424]
push edi
call dword [sym.imp.kernel32.dll_FindResourceA]
mov esi, eax
cmp esi, ebx
jne 0x1000e41d
call fcn.10003ef0
jmp 0x1000e4b6
push esi
push edi
call dword [sym.imp.kernel32.dll_LoadResource]
mov dword [ebp - 0x420], eax
cmp eax, ebx
je 0x1000e413
push esi
push edi
call dword [sym.imp.kernel32.dll_SizeofResource]
mov esi, eax
lea eax, [esi + 1]
mov dword [ebp - 0x424], esi
cmp eax, esi
jae 0x1000e44d
mov esi, 0x8007000e
jmp 0x1000e4b8
push eax
lea ecx, [ebp - 0x418]
mov byte [ebp - 4], 2
call fcn.10020d1a
mov dword [ebp - 4], 1
jmp 0x1000e47b
cmp dword [ebp - 0x418], ebx
je 0x1000e446
push esi
push dword [ebp - 0x420]
push esi
push dword [ebp - 0x418]
call fcn.10020d1a
mov eax, dword [ebp - 0x418]
add esp, 0x10
push dword [ebp + 0x14]
mov byte [eax + esi], bl
push dword [ebp - 0x418]
lea ecx, [ebp - 0x430]
call fcn.10020d1a
mov esi, eax
push dword [ebp - 0x41c]
call dword [sym.imp.kernel32.dll_FreeLibrary]
lea eax, [ebp - 0x414]
cmp dword [ebp - 0x418], eax
je 0x1000e3ba
lea ecx, [ebp - 0x418]
call fcn.1000cdea
jmp 0x1000e3ba
Function at 0x10014920
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
push ebp
xor ecx, ecx
xor edx, edx
mov esi, dword [esp + 0x14]
mov ebp, dword [esp + 0x18]
mov edi, dword [esp + 0x1c]
mov cl, byte [esi + 0x100]
mov dl, byte [esi + 0x101]
test ebp, ebp
je 0x1001496f
inc ecx
mov ebx, 0xff
and ecx, ebx
xor eax, eax
mov al, byte [esi + ecx]
add edx, eax
and edx, ebx
xor ebx, ebx
mov bl, byte [esi + edx]
mov byte [esi + ecx], bl
mov byte [esi + edx], al
add al, bl
mov bl, byte [edi]
mov al, byte [esi + eax]
xor bl, al
mov byte [edi], bl
inc edi
dec ebp
jne 0x10014944
pop ebp
pop edi
lea eax, [esi + 0x100]
pop esi
mov byte [eax], cl
pop ebx
mov byte [eax + 1], dl
ret 0xc

Function at 0x10014981
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ebx
mov eax, 0x3020100
push esi
mov ecx, 0x40
mov esi, dword [esp + 0xc]
push edi
mov edx, esi
push ebp
mov dword [edx], eax
add edx, 4
add eax, 0x4040404
dec ecx
jne 0x10014995
xor ecx, ecx
xor edi, edi
mov ebp, dword [esp + 0x1c]
mov byte [esi + 0x100], cl
mov byte [esi + 0x101], cl
xor ebx, ebx
xor edx, edx
xor eax, eax
mov dl, byte [edi + esi]
mov al, byte [ebp + ecx]
add bl, al
inc ecx
add bl, dl
inc edi
mov al, byte [ebx + esi]
mov byte [edi + esi - 1], al
cmp dword [esp + 0x18], ecx
mov byte [ebx + esi], dl
jne 0x100149db
xor ecx, ecx
cmp edi, 0x100
jb 0x100149b8
pop ebp
pop edi
pop esi
pop ebx
ret 0xc

Function at 0x10015290
Capabilities:
Encode data using xor

Disassembly:
mov ecx, dword [esp + 0x10]
mov eax, dword [ecx + 8]
cmp eax, 1
je 0x100152dc
jle 0x100152d7
cmp eax, 3
jg 0x100152d7
push esi
mov esi, dword [ecx]
test esi, esi
je 0x100152ce
mov eax, dword [esp + 0xc]
mov ecx, dword [esp + 8]
mov edx, dword [esp + 0x10]
push ebx
sub ecx, eax
push edi
sub edx, eax
mov edi, dword [ecx + eax]
mov ebx, dword [eax]
xor edi, ebx
mov dword [edx + eax], edi
add eax, 4
dec esi
jne 0x100152bc
pop edi
pop ebx
mov eax, 1
pop esi
ret 0x10
xor eax, eax
ret 0x10
mov eax, dword [ecx + 0x10]
mov ecx, dword [esp + 0xc]
mov edx, dword [esp + 8]
push eax
mov eax, dword [esp + 8]
push ecx
push edx
push eax
call fcn.10020d1a
mov eax, 1
ret 0x10

Function at 0x10015850
Capabilities:
Encode data using xor

Disassembly:
mov ecx, dword [esp + 0x10]
mov eax, dword [ecx + 8]
cmp eax, 1
je 0x1001589c
jle 0x10015897
cmp eax, 3
jg 0x10015897
push esi
mov esi, dword [ecx]
test esi, esi
je 0x1001588e
mov eax, dword [esp + 0xc]
mov ecx, dword [esp + 8]
mov edx, dword [esp + 0x10]
push ebx
sub ecx, eax
push edi
sub edx, eax
mov edi, dword [ecx + eax]
mov ebx, dword [eax]
xor edi, ebx
mov dword [edx + eax], edi
add eax, 4
dec esi
jne 0x1001587c
pop edi
pop ebx
mov eax, 1
pop esi
ret 0x10
xor eax, eax
ret 0x10
mov eax, dword [ecx + 0x10]
mov ecx, dword [esp + 0xc]
mov edx, dword [esp + 8]
push eax
mov eax, dword [esp + 8]
push ecx
push edx
push eax
call fcn.10016740
mov eax, 1
ret 0x10
Function at 0x10015d70
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x10c
push ebx
push ebp
push esi
mov esi, dword [esp + 0x124]
push edi
mov eax, dword [esi + 8]
mov ebx, dword [esi]
mov edi, dword [esi + 4]
mov ecx, dword [esi + 0x124]
sub eax, 2
mov dword [esp + 0x14], ebx
mov dword [esp + 0x10], edi
mov dword [esp + 0x18], ecx
je 0x10015eb2
dec eax
je 0x10015db6
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x10c
ret 0xc
mov ecx, dword [esi + 0x20]
push esi
mov edi, ecx
lea eax, [esp + 0x20]
and ecx, 0x1f
mov ebx, 1
push 1
push eax
shr edi, 5
shl ebx, cl
call fcn.10015300
test eax, eax
mov ebp, dword [esp + 0x124]
je 0x10015df4
push esi
push 1
push ebp
call fcn.10015300
test eax, eax
je 0x10015df4
mov eax, 1
jmp 0x10015df6
xor eax, eax
mov ecx, dword [esp + 0x10]
lea edi, [esp + edi*4 + 0x1c]
cmp ecx, 1
mov dword [edi], ebx
je 0x10015e67
dec ecx
mov dword [esp + 0x10], ecx
test eax, eax
je 0x10015e54
lea ecx, [esp + 0x1c]
push esi
lea edx, [esp + 0x20]
push ecx
lea eax, [esp + 0x24]
push edx
push eax
call fcn.10015680
test eax, eax
je 0x10015e54
push esi
push ebp
push ebp
push ebp
call fcn.10015680
test eax, eax
je 0x10015e54
mov ecx, dword [esp + 0x120]
push esi
push ebp
push ebp
lea edx, [esp + 0x28]
push ecx
push edx
call fcn.100156f0
test eax, eax
je 0x10015e54
mov eax, 1
jmp 0x10015e56
xor eax, eax
mov edx, dword [edi]
mov ecx, dword [esp + 0x10]
xor edx, ebx
dec ecx
mov dword [edi], edx
mov dword [esp + 0x10], ecx
jne 0x10015e0a
test eax, eax
je 0x10015da7
lea eax, [esp + 0x1c]
push esi
push eax
push ebp
push ebp
push ebp
call fcn.100156f0
test eax, eax
je 0x10015da7
mov ecx, dword [esp + 0x120]
push esi
lea edx, [esp + 0x20]
push ecx
push edx
call fcn.10020d1a
test eax, eax
je 0x10015da7
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
add esp, 0x10c
ret 0xc
xor esi, esi
xor edx, edx
test edi, edi
mov edi, dword [esp + 0x124]
je 0x10015f09
mov ebx, dword [esp + 0x120]
mov eax, edx
shr eax, 5
mov ecx, edx
mov ebx, dword [ebx + eax*4]
and ecx, 0x1f
shr ebx, cl
mov ebp, dword [edi + eax*4]
and ebx, 1
xor esi, ebx
mov ebx, esi
not ebx
and ebx, 1
shl ebx, cl
not ebx
and ebx, ebp
mov ebp, esi
and ebp, 1
shl ebp, cl
or ebx, ebp
inc edx
mov dword [edi + eax*4], ebx
mov eax, dword [esp + 0x10]
cmp edx, eax
jne 0x10015ec1
mov ebx, dword [esp + 0x14]
mov ecx, dword [esp + 0x18]
mov edx, dword [edi + ebx*4 - 4]
xor eax, eax
test esi, esi
sete al
shl edx, cl
shr edx, cl
mov dword [edi + ebx*4 - 4], edx
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10c
ret 0xc

Function at 0x10017130
Capabilities:
Get system information on windows

Disassembly:
sub esp, 0x24
lea eax, [esp]
push eax
call dword [sym.imp.kernel32.dll_GetSystemInfo]
mov eax, dword [esp + 0x18]
sub eax, 0x182
je 0x10017164
sub eax, 0x64
je 0x10017164
sub eax, 0x64
cmp word [esp + 0x20], 6
jb 0x10017164
push 0xc
call fcn.1001cf10
add esp, 0x24
ret
push 4
call fcn.1001cf10
add esp, 0x24
ret
Function at 0x1001c460
Capabilities:
Encode data using xor

Disassembly:
mov eax, dword [esp + 8]
mov ecx, dword [esp + 0x10]
sub esp, 0x51c
lea edx, [eax + 0x1f]
push ebx
push ebp
lea ebp, [ecx + 0x1f]
push esi
shr edx, 5
shr ebp, 5
cmp edx, ebp
mov ebx, edx
ja 0x1001c485
mov ebx, ebp
mov ecx, dword [esp + 0x53c]
xor esi, esi
xor eax, eax
cmp ecx, esi
setne al
cmp ebx, esi
mov dword [esp + 0xc], eax
je 0x1001c68c
cmp ebx, 0x40
ja 0x1001c68c
lea eax, [esp + 0x324]
mov ecx, ebx
mov dword [eax - 0x204], esi
mov dword [eax], esi
mov dword [eax - 0x104], esi
mov dword [eax + 0x100], esi
add eax, 4
dec ecx
jne 0x1001c4b3
mov ecx, dword [esp + 0x120]
mov esi, dword [esp + 0x52c]
xor ecx, 1
push edi
mov dword [esp + 0x124], ecx
mov ecx, edx
lea edi, [esp + 0x224]
push edx
rep movsd dword es:[edi], dword [esi]
mov esi, dword [esp + 0x53c]
lea ecx, [ebp*4]
mov dword [esp + 0x24], ecx
mov eax, ecx
lea edi, [esp + 0x42c]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, dword [esp + 0x534]
push ecx
call fcn.10020d1a
push ebp
mov edx, dword [esp + 0x53c]
mov dword [esp + 0x328], eax
push edx
call fcn.10020d1a
xor edx, edx
mov dword [esp + 0x528], eax
mov eax, edx
mov dword [esp + 0x18], edx
shl eax, 7
add eax, edx
shl eax, 2
mov ecx, eax
neg ecx
mov esi, dword [esp + ecx + 0x528]
test esi, esi
je 0x1001c62e
lea esi, [esp + eax + 0x124]
lea ebp, [esp + ecx + 0x328]
mov dword [esp + 0x1c], ebp
mov eax, dword [esi + 0x200]
mov ecx, dword [ebp + 0x200]
cmp eax, ecx
jb 0x1001c620
sub eax, ecx
push ebx
mov edi, eax
lea eax, [esp + 0x28]
push eax
lea eax, [ebp + 0x100]
push edi
push eax
call fcn.1001ad20
lea edx, [esi + 0x100]
lea ecx, [esp + 0x24]
mov eax, edx
mov dword [esp + 0x14], ebx
mov ebp, dword [ecx]
add ecx, 4
xor dword [eax], ebp
mov ebp, dword [esp + 0x14]
add eax, 4
dec ebp
mov dword [esp + 0x14], ebp
jne 0x1001c5b2
push ebx
push edx
call fcn.10020d1a
mov dword [esi + 0x200], eax
mov eax, dword [esp + 0x10]
test eax, eax
je 0x1001c604
mov ebp, dword [esp + 0x1c]
lea ecx, [esp + 0x24]
push ebx
push ecx
push edi
push ebp
call fcn.1001ad20
lea ecx, [esp + 0x24]
mov eax, esi
sub ecx, esi
mov edx, ebx
mov edi, dword [ecx + eax]
xor dword [eax], edi
add eax, 4
dec edx
jne 0x1001c5f7
jmp 0x1001c608
mov ebp, dword [esp + 0x1c]
mov eax, dword [esi + 0x200]
mov ecx, dword [ebp + 0x200]
cmp eax, ecx
jae 0x1001c58b
mov edx, dword [esp + 0x18]
mov eax, 1
sub eax, edx
mov edx, eax
jmp 0x1001c544
mov edi, dword [esp + 0x544]
test edi, edi
je 0x1001c64b
mov eax, edx
mov ecx, ebx
shl eax, 7
add eax, edx
lea esi, [esp + eax*4 + 0x224]
rep movsd dword es:[edi], dword [esi]
mov eax, dword [esp + 0x10]
test eax, eax
je 0x1001c67a
mov ecx, dword [esp + 0x20]
mov edi, dword [esp + 0x540]
mov eax, edx
shl eax, 7
add eax, edx
mov edx, ecx
shr ecx, 2
lea esi, [esp + eax*4 + 0x124]
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
add esp, 0x51c
ret 0x18
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x51c
ret 0x18
Function at 0x1001f1c0
Capabilities:
Hash data with md5

Disassembly:
mov eax, dword [esp + 4]
xor ecx, ecx
mov dword [eax + 0x10], ecx
mov dword [eax + 0x14], ecx
mov dword [eax], 0x67452301
mov dword [eax + 4], 0xefcdab89
mov dword [eax + 8], 0x98badcfe
mov dword [eax + 0xc], 0x10325476
ret 4
Function at 0x10020d1a
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x4c
pushal
call 0x10020d29
pop dword [ebp - 0x3c]
mov eax, 0xbe552e8b
sub eax, 0xae532162
sub dword [ebp - 0x3c], eax
push 0x40
push 0x1000
push 0x395a4
push 0
mov eax, 0x4535471e
add eax, 0xcaccfa4e
add eax, dword [ebp - 0x3c]
call dword [eax]
mov ecx, 0x45b6
mov edx, eax
mov esi, 0x7c53e746
add esi, 0x93afa4ba
add esi, dword [ebp - 0x3c]
mov ebx, 0xa06b56c6
sub ebx, 0xaba7f122
xor dword [ebp - 4], edx
mov edi, dword [esi]
xor dword [ebp - 0x34], 0x43944605
add edi, ebx
add dword [ebp - 4], 0xcc79d2c
mov dword [edx], edi
add dword [ebp - 8], eax
add edx, 4
add esi, 0xc699e145
sub esi, 0xc699e141
loop 0x10020d82
add eax, 0xe555a70f
sub eax, 0xe5549d64
mov ebx, eax
add eax, 0xb27f0d2f
sub eax, 0xb27f0d2a
mov ecx, 0x5f6ba45d
add ecx, 0xb0945ba3
add ecx, dword [ebp - 0x3c]
call ebx
leave
ret

Function at 0x1002109f
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call

Disassembly:
cmp dword [0x10034570], 0
push esi
push edi
jne 0x10021015
call fcn.10020f81
test eax, eax
je 0x1002105a
mov eax, dword [0x10034570]
cmp eax, 1
jne 0x10021036
push 0xd
push 0
call dword [sym.imp.kernel32.dll_GetProcessHeap]
push eax
call dword [sym.imp.kernel32.dll_HeapAlloc]
test eax, eax
je 0x1002105a
jmp 0x1002109c
mov edi, dword [sym.imp.kernel32.dll_InterlockedPopEntrySList]
push eax
call edi
test eax, eax
jne 0x1002109c
push 0x40
mov eax, 0x1000
push eax
push eax
push 0
call dword [sym.imp.kernel32.dll_VirtualAlloc]
mov esi, eax
test esi, esi
jne 0x1002105e
xor eax, eax
jmp 0x1002109c
mov eax, dword [esi]
push dword [0x10034570]
call edi
mov edi, eax
test edi, edi
je 0x10021080
push 0x8000
push 0
push esi
call dword [sym.imp.kernel32.dll_VirtualFree]
mov eax, edi
jmp 0x1002109c
lea edi, [esi + 0xff0]
push esi
push dword [0x10034570]
call dword [sym.imp.kernel32.dll_InterlockedPushEntrySList]
add esi, 0x10
cmp esi, edi
jb 0x10021086
mov eax, esi
pop edi
pop esi
ret
jmp 0x10021001

Function at 0x1002140c
Capabilities:
Terminate process

Disassembly:
cmp ecx, dword [0x10033f20]
jne 0x10021416
repz ret
jmp fcn.10021c9a
Function at 0x403360
Capabilities:
Check os version

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
call dword [sym.imp.KERNEL32.dll_GetVersion]
cmp al, 5
jb 0x403393
call fcn.00403340
test eax, eax
je 0x403393
mov edx, 1
lea ecx, [ebp - 0x10]
call fcn.00403320
mov eax, dword [ebp - 8]
shr eax, 0x19
and eax, 1
mov esp, ebp
pop ebp
ret
xor eax, eax
shr eax, 0x19
and eax, 1
mov esp, ebp
pop ebp
ret

Function at 0x403400
Capabilities:
Check os version

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
call dword [sym.imp.KERNEL32.dll_GetVersion]
cmp al, 5
jb 0x403434
call fcn.00403340
cmp eax, 7
jb 0x403434
mov edx, 7
lea ecx, [ebp - 0x10]
call fcn.00403320
mov eax, dword [ebp - 0xc]
shr eax, 0x1d
and eax, 1
mov esp, ebp
pop ebp
ret
xor eax, eax
mov esp, ebp
pop ebp
ret

Function at 0x403440
Capabilities:
Check os version

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
call dword [sym.imp.KERNEL32.dll_GetVersion]
cmp al, 5
jb 0x403473
call fcn.00403340
test eax, eax
je 0x403473
mov edx, 1
lea ecx, [ebp - 0x10]
call fcn.00403320
mov eax, dword [ebp - 8]
shr eax, 9
and eax, 1
mov esp, ebp
pop ebp
ret
xor eax, eax
shr eax, 9
and eax, 1
mov esp, ebp
pop ebp
ret

Function at 0x403570
Capabilities:
Check os version
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x2d4
mov eax, dword [0x896474]
xor eax, ebp
mov dword [ebp - 4], eax
call dword [sym.imp.KERNEL32.dll_GetVersion]
cmp ax, 6
je 0x4035b9
push str.SetDefaultDllDirectories
push str.kernel32.dll
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4035b9
push 0xc00
call eax
test eax, eax
jne 0x40364e
push 0x106
lea eax, [ebp - 0x2d4]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
mov ecx, eax
test ecx, ecx
je 0x40364e
cmp ecx, 0x104
ja 0x40364e
cmp word [ebp + ecx*2 - 0x2d6], 0x5c
je 0x4035f2
mov eax, 0x5c
mov word [ebp + ecx*2 - 0x2d4], ax
inc ecx
mov al, byte [str.userenv]
push esi
mov esi, str.userenv
test al, al
je 0x40364d
push ebx
mov ebx, dword [sym.imp.KERNEL32.dll_LoadLibraryExW]
push edi
lea edi, [ebp - 0x2d4]
lea edi, [edi + ecx*2]
mov ecx, edi
inc esi
movzx eax, al
lea ecx, [ecx + 2]
mov word [ecx - 2], ax
mov al, byte [esi]
inc esi
test al, al
jne 0x403615
xor eax, eax
mov dword [ecx], 0x64002e
push 8
push eax
mov word [ecx + 8], ax
lea eax, [ebp - 0x2d4]
push eax
mov dword [ecx + 4], str.4r_.
call ebx
mov al, byte [esi]
test al, al
jne 0x403612
pop edi
pop ebx
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00448631
mov esp, ebp
pop ebp
ret
Function at 0x408b30
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ebp
mov ebp, esp
push ecx
push esi
push edi
mov edi, dword [ebp + 8]
push 0x98
push 0
lea eax, [edi + 0x110]
push eax
call fcn.00449d80
mov eax, dword [edi + 0x30]
add esp, 0xc
add eax, dword [edi + 0x34]
mov ecx, dword [edi + 0x28]
mov dword [edi + 0x40], eax
mov dword [edi + 0x2c], 0
mov dword [edi + 0x14], 0
lea esi, [eax + ecx]
shr ecx, 3
mov eax, 0xaaaaaaab
mul ecx
mov ecx, 0xc
shr edx, 3
imul eax, edx, 0x54
mov edx, esi
sub edx, eax
mov eax, dword [edi + 0x18]
cmp eax, ecx
mov dword [edi + 0xc], eax
mov dword [edi + 0x44], edx
cmovb ecx, eax
mov dword [edi + 8], edx
not ecx
lea eax, [edx + 0x600]
mov dword [edi + 0x24], ecx
mov dword [edi + 0x20], ecx
lea ecx, [esi - 0xc]
mov dword [edi + 0x38], eax
xor eax, eax
mov dword [edi + 0x3c], ecx
mov dword [edi], ecx
mov dword [edi + 4], ecx
mov dword [ecx + 4], edx
add edx, 2
mov dword [ecx], 0x1010100
mov dword [ecx + 8], 0
mov byte [edx - 2], al
lea edx, [edx + 6]
xor ecx, ecx
mov byte [edx - 7], 1
inc eax
mov dword [edx - 6], ecx
cmp eax, 0x100
jb 0x408bc7
lea eax, [edi + 0x9fc]
push ebx
xor ebx, ebx
mov dword [ebp - 4], eax
nop word [eax + eax]
mov esi, eax
xor edi, edi
movzx eax, word [edi + 0x459570]
lea ecx, [ebx + 2]
xor edx, edx
div ecx
mov ecx, 0x4000
sub ecx, eax
xor eax, eax
movzx ecx, cx
nop
mov word [esi + eax*2], cx
add eax, 8
cmp eax, 0x40
jb 0x408c10
add edi, 2
add esi, 2
cmp edi, 0x10
jb 0x408bf4
mov eax, dword [ebp - 4]
inc ebx
sub eax, 0xffffff80
mov dword [ebp - 4], eax
cmp ebx, 0x80
jb 0x408bf0
mov edi, dword [ebp + 8]
mov edx, 0x50
pop ebx
lea esi, [edi + 0x3bc]
nop dword [eax + eax]
mov eax, esi
mov ecx, 0x10
nop word [eax + eax]
mov word [eax], dx
lea eax, [eax + 4]
mov word [eax - 2], 0x403
sub ecx, 1
jne 0x408c60
add edx, 0x28
add esi, 0x40
cmp edx, 0x438
jb 0x408c50
mov dword [edi + 0x3b8], 0x40070000
pop edi
pop esi
mov esp, ebp
pop ebp
ret 4