joyce8/EMBER2024-capa huggingface dataset:
Function at 0x455cb0
Capabilities:
Check os version

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4cd307
mov eax, dword fs:[0]
push eax
sub esp, 0x12c
mov eax, dword [0x504108]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
call fcn.004047c0
mov ecx, eax
test ecx, ecx
jne 0x455cf2
push 0x80004005
call fcn.00404520
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x128], eax
push 0x110
lea eax, [ebp - 0x120]
mov dword [ebp - 4], 0
push 0
push eax
call fcn.0049d8c0
add esp, 0xc
mov dword [ebp - 0x124], 0x114
lea eax, [ebp - 0x124]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
or esi, 0xffffffff
cmp dword [ebp - 0x120], 5
jne 0x455d47
xor ebx, ebx
jmp 0x455ea9
push str.SoftwareClasses_
lea ecx, [ebp - 0x134]
mov dword [ebp - 0x12c], 0
call fcn.00404280
push str..pdf
mov edx, eax
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x130]
call fcn.00417370
add esp, 4
push eax
lea ecx, [ebp - 0x128]
mov byte [ebp - 4], 2
call fcn.00402000
mov byte [ebp - 4], 1
mov eax, esi
mov edx, dword [ebp - 0x130]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x455dab
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov byte [ebp - 4], 0
mov eax, esi
mov edx, dword [ebp - 0x134]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x455dcc
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
lea eax, [ebp - 0x12c]
push eax
push 0x2003f
push 0
push dword [ebp - 0x128]
push SysReAllocString
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
test eax, eax
je 0x455e9b
push str.SoftwareMicrosoftWindowsCurrentVersionExplorerFileExts_
lea ecx, [ebp - 0x130]
call fcn.00404280
push str..pdf
mov edx, eax
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x134]
call fcn.00417370
add esp, 4
push eax
lea ecx, [ebp - 0x128]
mov byte [ebp - 4], 4
call fcn.00402000
mov byte [ebp - 4], 3
mov eax, esi
mov edx, dword [ebp - 0x134]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x455e4d
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov byte [ebp - 4], 0
mov eax, esi
mov edx, dword [ebp - 0x130]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x455e6e
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
lea eax, [ebp - 0x12c]
push eax
push 0x2003f
push 0
lea eax, [ebp - 0x138]
push eax
push SysReAllocString
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
xor ebx, ebx
test eax, eax
setne bl
test ebx, ebx
je 0x455e9d
jmp 0x455ea9
xor ebx, ebx
push dword [ebp - 0x12c]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov dword [ebp - 4], 0xffffffff
mov eax, dword [ebp - 0x128]
add eax, 0xfffffff0
lock xadd dword [eax + 0xc], esi
dec esi
test esi, esi
jg 0x455ecb
mov ecx, dword [eax]
push eax
mov edx, dword [ecx]
call dword [edx + 4]
mov eax, ebx
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.00484ed0
mov esp, ebp
pop ebp
ret
Function at 0x455ef0
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4cd338
mov eax, dword fs:[0]
push eax
sub esp, 0x10
push esi
push edi
mov eax, dword [0x504108]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, edx
call fcn.004047c0
mov ecx, eax
test ecx, ecx
jne 0x455f2e
push 0x80004005
call fcn.00404520
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x10], eax
push str..pdf
mov dword [ebp - 4], 0
lea eax, [ebp - 0x10]
push str.SoftwareMicrosoftWindowsCurrentVersionExplorerFileExts_sUserChoice
push eax
mov dword [ebp - 0x1c], 1
mov dword [ebp - 0x18], 0x104
mov dword [ebp - 0x14], 0
call fcn.00413d90
mov esi, dword [ebp - 0x10]
lea eax, [ebp - 0x18]
add esp, 0xc
push eax
lea eax, [ebp - 0x14]
push eax
lea eax, [ebp - 0x1c]
push eax
push str.Progid
push esi
push SysReAllocString
call dword [sym.imp.SHLWAPI.dll_SHGetValueW]
test eax, eax
je 0x455f93
xor edi, edi
jmp 0x455fa7
lea eax, [ebp - 0x14]
push edi
push eax
call fcn.004b0b4d
add esp, 8
mov edi, eax
neg edi
sbb edi, edi
inc edi
mov dword [ebp - 4], 0xffffffff
add esi, 0xfffffff0
or eax, 0xffffffff
lock xadd dword [esi + 0xc], eax
dec eax
test eax, eax
jg 0x455fc6
mov ecx, dword [esi]
push esi
mov edx, dword [ecx]
call dword [edx + 4]
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x4565e0
Capabilities:
Check os version

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4cd3c8
mov eax, dword fs:[0]
push eax
sub esp, 0x124
mov eax, dword [0x504108]
xor eax, ebp
mov dword [ebp - 0x10], eax
push esi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 4], 0
mov eax, dword [ebp + 8]
push ecx
add eax, 0xfffffff0
mov esi, esp
push eax
mov dword [ebp - 0x130], esi
call fcn.00404410
add esp, 4
add eax, 0x10
mov ecx, SysReAllocString
mov dword [esi], eax
call fcn.00454e60
mov eax, dword [ebp + 8]
mov esi, esp
add eax, 0xfffffff0
mov dword [ebp - 0x130], esi
push eax
call fcn.00404410
add esp, 4
add eax, 0x10
mov ecx, reloc.OLEAUT32.dll_SysReAllocString
mov dword [esi], eax
call fcn.00454e60
push 0x11c
lea eax, [ebp - 0x12c]
push 0
push eax
call fcn.0049d8c0
add esp, 0x10
mov dword [ebp - 0x12c], 0x11c
lea eax, [ebp - 0x12c]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
cmp dword [ebp - 0x128], 0xa
je 0x45669f
call fcn.00457140
test eax, eax
je 0x456707
mov eax, dword [ebp + 8]
push ecx
add eax, 0xfffffff0
mov esi, esp
push eax
mov dword [ebp - 0x130], esi
call fcn.00404410
add esp, 4
add eax, 0x10
mov ecx, SysReAllocString
mov dword [esi], eax
call fcn.00455490
mov eax, dword [ebp + 8]
mov esi, esp
add eax, 0xfffffff0
mov dword [ebp - 0x130], esi
push eax
call fcn.00404410
add esp, 4
add eax, 0x10
mov ecx, reloc.OLEAUT32.dll_SysReAllocString
mov dword [esi], eax
call fcn.00455490
add esp, 4
mov ecx, str.MasterPDF
call fcn.00456330
test eax, eax
je 0x456707
mov edx, str.MasterPDF
call fcn.00455fe0
push 0
push 0
push 0x3000
push 0x8000000
call dword [sym.imp.SHELL32.dll_SHChangeNotify]
mov dword [ebp - 4], 0xffffffff
or eax, 0xffffffff
mov edx, dword [ebp + 8]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x45673d
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov eax, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop esi
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.00484ed0
mov esp, ebp
pop ebp
ret
Function at 0x457140
Capabilities:
Check os version

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x120
mov eax, dword [0x504108]
xor eax, ebp
mov dword [ebp - 4], eax
push 0x11c
lea eax, [ebp - 0x120]
push 0
push eax
call fcn.0049d8c0
add esp, 0xc
mov dword [ebp - 0x120], 0x11c
lea eax, [ebp - 0x120]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
cmp dword [ebp - 0x11c], 6
jne 0x4571ac
mov eax, dword [ebp - 0x118]
cmp eax, 2
je 0x457199
cmp eax, 3
jne 0x4571ac
mov eax, 1
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00484ed0
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
xor eax, eax
xor ecx, ebp
call fcn.00484ed0
mov esp, ebp
pop ebp
ret

Function at 0x4571c0
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90
mov eax, dword [0x504108]
xor eax, ebp
mov dword [ebp - 4], eax
cmp dword [0x50a544], 0
jne 0x4572d6
lea eax, [ebp - 0x88]
mov dword [ebp - 0x88], 0
push eax
push 1
push 0
push str.SOFTWAREMicrosoftWindows_NTCurrentVersion
push reloc.OLEAUT32.dll_SysReAllocString
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
test eax, eax
jne 0x4572b6
cmp dword [ebp - 0x88], eax
je 0x4572b6
push 0x80
push eax
lea eax, [ebp - 0x84]
mov dword [ebp - 0x90], 1
push eax
call fcn.0049d8c0
add esp, 0xc
mov dword [ebp - 0x8c], 0x80
lea eax, [ebp - 0x8c]
push eax
lea eax, [ebp - 0x84]
push eax
lea eax, [ebp - 0x90]
push eax
push 0
push str.CurrentVersion
push dword [ebp - 0x88]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
push dword [ebp - 0x88]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
lea eax, [ebp - 0x84]
push 0x4ea914
push eax
call fcn.004b0b4d
mov ecx, dword [0x50a540]
add esp, 8
test eax, eax
mov edx, 1
mov dword [0x50a544], edx
cmovns ecx, edx
mov dword [0x50a540], ecx
mov eax, ecx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00484ed0
mov esp, ebp
pop ebp
ret
mov ecx, dword [0x50a540]
mov eax, ecx
mov dword [0x50a544], 1
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00484ed0
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
mov eax, dword [0x50a540]
xor ecx, ebp
call fcn.00484ed0
mov esp, ebp
pop ebp
ret
Function at 0x457bd0
Capabilities:
Read .ini file

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4cb8e0
mov eax, dword fs:[0]
push eax
sub esp, 0x20c
mov eax, dword [0x504108]
xor eax, ebp
mov dword [ebp - 0x10], eax
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, ecx
push 0x208
lea eax, [ebp - 0x218]
mov dword [ebp - 4], 1
push 0
push eax
call fcn.0049d8c0
add esp, 0xc
lea eax, [ebp - 0x218]
push dword [ebp + 8]
push 0x104
push eax
push 0x4e8cb0
push dword [ebp + 0xc]
push str.masterpdf
call dword [sym.imp.KERNEL32.dll_GetPrivateProfileStringW]
mov eax, 0x2a
cmp ax, word [ebp - 0x218]
je 0x457c7a
lea edx, [ebp - 0x218]
lea esi, [edx + 2]
mov ax, word [edx]
add edx, 2
test ax, ax
jne 0x457c55
sub edx, esi
lea eax, [ebp - 0x218]
sar edx, 1
mov ecx, edi
push edx
push eax
call fcn.00404180
mov edi, 1
jmp 0x457c7c
xor edi, edi
mov byte [ebp - 4], 0
or esi, 0xffffffff
mov edx, dword [ebp + 8]
mov eax, esi
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x457c9d
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov dword [ebp - 4], 0xffffffff
mov eax, dword [ebp + 0xc]
add eax, 0xfffffff0
lock xadd dword [eax + 0xc], esi
dec esi
test esi, esi
jg 0x457cbc
mov ecx, dword [eax]
push eax
mov edx, dword [ecx]
call dword [edx + 4]
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.00484ed0
mov esp, ebp
pop ebp
ret
Function at 0x458c10
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 0xc]
mov edx, 0x811c9dc5
push edi
mov edi, dword [ebp + 8]
mov ecx, 0
sub esi, edi
je 0x458c41
nop dword [eax]
movzx eax, byte [ecx + edi]
inc ecx
xor eax, edx
imul edx, eax, 0x1000193
cmp ecx, esi
jb 0x458c30
pop edi
mov eax, edx
pop esi
pop ebp
ret 8

Function at 0x45b270
Capabilities:
Parse credit card information

Disassembly:
push ecx
push ebx
push esi
mov esi, ecx
xor cl, cl
mov eax, dword [esi + 0x4c]
cmp eax, 0xffffffff
je 0x45b436
cmp eax, 0x7c
je 0x45b436
cmp eax, 0x29
jne 0x45b2a8
cmp dword [esi + 0x10], 0
jne 0x45b436
test dword [esi + 0x50], 0x10000000
je 0x45b43c
cmp eax, 0x2e
jne 0x45b2ff
push 5
lea ecx, [esi + 0x24]
call fcn.0045b5f0
mov eax, dword [esi]
mov ecx, dword [esi + 8]
cmp eax, ecx
je 0x45b2f3
cmp byte [eax], 0x5c
jne 0x45b2f1
inc eax
cmp eax, ecx
je 0x45b2f1
mov ecx, dword [esi + 0x50]
test cl, 8
jne 0x45b2de
mov dl, byte [eax]
cmp dl, 0x28
je 0x45b2ef
cmp dl, 0x29
je 0x45b2ef
test cl, 0x10
jne 0x45b2f1
mov cl, byte [eax]
cmp cl, 0x7b
je 0x45b2ef
cmp cl, 0x7d
jne 0x45b2f1
mov dword [esi], eax
inc dword [esi]
mov ecx, esi
call fcn.0045a3d0
jmp 0x45b421
cmp eax, 0x5c
jne 0x45b364
mov ecx, esi
call fcn.0045b220
mov eax, dword [esi + 0x50]
and eax, 0x80
je 0x45b331
cmp byte [esi + 0x48], 0x62
jne 0x45b331
push 4
lea ecx, [esi + 0x24]
call fcn.0045b5f0
mov ecx, esi
call fcn.0045b220
jmp 0x45b428
test eax, eax
je 0x45b358
cmp byte [esi + 0x48], 0x42
jne 0x45b358
push 4
lea ecx, [esi + 0x24]
call fcn.0045b5f0
mov eax, dword [esi + 0x28]
mov ecx, esi
xor dword [eax + 8], 1
call fcn.0045b220
jmp 0x45b428
mov ecx, esi
call fcn.0045c480
jmp 0x45b421
cmp eax, 0x5b
jne 0x45b387
mov ecx, esi
call fcn.0045b220
mov ecx, esi
call fcn.0045c3f0
push 4
push 0x5d
mov ecx, esi
call fcn.0045c390
jmp 0x45b421
cmp eax, 0x28
jne 0x45b3ad
mov ecx, esi
call fcn.0045b220
mov ecx, esi
call fcn.0045c540
push 5
push 0x29
mov ecx, esi
mov bl, al
call fcn.0045c390
test bl, bl
je 0x45b428
jmp 0x45b421
cmp eax, 0x5e
jne 0x45b3c5
push 2
lea ecx, [esi + 0x24]
call fcn.0045b5f0
mov ecx, esi
call fcn.0045b220
jmp 0x45b428
cmp eax, 0x24
jne 0x45b3dd
push 3
lea ecx, [esi + 0x24]
call fcn.0045b5f0
mov ecx, esi
call fcn.0045b220
jmp 0x45b428
cmp eax, 0x2a
je 0x45b451
cmp eax, 0x2b
je 0x45b451
cmp eax, 0x3f
je 0x45b451
cmp eax, 0x7b
je 0x45b451
cmp eax, 0x7d
jne 0x45b3ff
test dword [esi + 0x50], 0x10000000
je 0x45b443
cmp eax, 0x5d
jne 0x45b40d
test dword [esi + 0x50], 0x10000000
je 0x45b44a
movzx eax, byte [esi + 0x48]
lea ecx, [esi + 0x24]
push eax
call fcn.0045c730
mov ecx, esi
call fcn.0045b220
mov ecx, esi
call fcn.0045c600
mov eax, dword [esi + 0x4c]
mov cl, 1
cmp eax, 0xffffffff
jne 0x45b283
pop esi
mov al, cl
pop ebx
pop ecx
ret
push 5
call fcn.00482579
push 6
call fcn.00482579
push 4
call fcn.00482579
push 0xa
call fcn.00482579
int3
Function at 0x45eea0
Capabilities:
Get token membership

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
mov eax, dword [0x504108]
xor eax, ebp
mov dword [ebp - 4], eax
lea eax, [ebp - 0x14]
mov dword [ebp - 0xc], 0
push eax
push 0
push 0
push 0
push 0
push 0
push 0
push 0x220
push 0x20
push 2
lea eax, [ebp - 0xc]
mov word [ebp - 8], 0x500
push eax
mov dword [ebp - 0x14], 0
call dword [sym.imp.ADVAPI32.dll_AllocateAndInitializeSid]
mov dword [ebp - 0x10], eax
test eax, eax
je 0x45ef10
lea eax, [ebp - 0x10]
push eax
push dword [ebp - 0x14]
push 0
call dword [sym.imp.ADVAPI32.dll_CheckTokenMembership]
push dword [ebp - 0x14]
neg eax
sbb eax, eax
and dword [ebp - 0x10], eax
call dword [sym.imp.ADVAPI32.dll_FreeSid]
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00484ed0
mov esp, ebp
pop ebp
ret
Function at 0x45f8b0
Capabilities:
Encode data using base64 via winapi

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4cdd78
mov eax, dword fs:[0]
push eax
sub esp, 0x10
push ebx
push esi
push edi
mov eax, dword [0x504108]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov ebx, edx
mov edi, ecx
mov dword [ebp - 0x18], edi
lea eax, [ebp - 0x10]
mov dword [ebp - 0x1c], 0
push eax
push 0
push 1
push dword [ebp + 8]
push ebx
call dword [sym.imp.CRYPT32.dll_CryptBinaryToStringW]
test eax, eax
je 0x45fa17
cmp dword [ebp - 0x10], 0
je 0x45fa17
call fcn.004047c0
mov ecx, eax
test ecx, ecx
jne 0x45f91f
push 0x80004005
call fcn.00404520
mov eax, dword [ecx]
call dword [eax + 0xc]
lea esi, [eax + 0x10]
mov dword [ebp - 0x14], esi
mov dword [ebp - 4], 0
mov edx, dword [ebp - 0x10]
test edx, edx
jns 0x45f942
push 0x80070057
call fcn.00404520
mov eax, dword [esi - 8]
mov ecx, 1
sub ecx, dword [esi - 4]
sub eax, edx
or eax, ecx
jge 0x45f95f
push edx
lea ecx, [ebp - 0x14]
call fcn.00404070
mov esi, dword [ebp - 0x14]
lea eax, [ebp - 0x10]
push eax
push esi
push 1
push dword [ebp + 8]
push ebx
call dword [sym.imp.CRYPT32.dll_CryptBinaryToStringW]
push dword [esi - 8]
push esi
test eax, eax
jne 0x45f9e4
call fcn.004a7057
add esp, 8
test eax, eax
js 0x45f938
cmp eax, dword [esi - 8]
jg 0x45f938
xor ecx, ecx
mov dword [esi - 0xc], eax
mov word [esi + eax*2], cx
call fcn.004047c0
mov ecx, eax
test ecx, ecx
jne 0x45f9a7
push 0x80004005
call fcn.00404520
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
add esi, 0xfffffff0
mov dword [ebp - 4], 0xffffffff
mov dword [edi], eax
or eax, 0xffffffff
lock xadd dword [esi + 0xc], eax
dec eax
test eax, eax
jg 0x45fa36
mov ecx, dword [esi]
push esi
mov eax, dword [ecx]
call dword [eax + 4]
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
call fcn.004a7057
add esp, 8
test eax, eax
js 0x45f938
cmp eax, dword [esi - 8]
jg 0x45f938
mov dword [esi - 0xc], eax
xor ecx, ecx
mov word [esi + eax*2], cx
add esi, 0xfffffff0
push esi
call fcn.00404410
add esp, 4
add eax, 0x10
jmp 0x45f9b2
call fcn.004047c0
mov ecx, eax
test ecx, ecx
jne 0x45fa2c
push 0x80004005
call fcn.00404520
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [edi], eax
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x45fa50
Capabilities:
Decode data using base64 via winapi

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4cddb0
mov eax, dword fs:[0]
push eax
sub esp, 0x18
push esi
push edi
mov eax, dword [0x504108]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, edx
mov esi, ecx
mov dword [ebp - 0x14], esi
mov dword [ebp - 0x18], 0
mov dword [ebp - 4], 0
mov dword [ebp - 0x24], 0
mov dword [ebp - 0x20], 0
mov dword [ebp - 0x1c], 0
push 0
push 0
lea ecx, [ebp - 0x10]
mov byte [ebp - 4], 1
mov eax, dword [ebp + 8]
push ecx
push 0
push edi
push dword [eax - 0xc]
push eax
call dword [sym.imp.CRYPT32.dll_CryptStringToBinaryW]
test eax, eax
je 0x45fb01
mov eax, dword [ebp - 0x10]
test eax, eax
je 0x45fb01
push eax
lea ecx, [ebp - 0x24]
call fcn.0045fd30
mov eax, dword [ebp + 8]
lea ecx, [ebp - 0x10]
push 0
push 0
push ecx
push dword [ebp - 0x24]
push edi
push dword [eax - 0xc]
push eax
call dword [sym.imp.CRYPT32.dll_CryptStringToBinaryW]
mov ecx, esi
test eax, eax
jne 0x45faf6
mov eax, dword [ebp - 0x24]
mov dword [ebp - 0x20], eax
lea eax, [ebp - 0x24]
push eax
call fcn.00434fb0
jmp 0x45fb2a
mov dword [esi], 0
mov dword [esi + 4], 0
mov dword [esi + 8], 0
mov dword [ebp - 0x24], 0
mov dword [ebp - 0x20], 0
mov dword [ebp - 0x1c], 0
lea ecx, [ebp - 0x24]
call fcn.0043b3a0
mov dword [ebp - 4], 0xffffffff
or eax, 0xffffffff
mov edx, dword [ebp + 8]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x45fb54
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov eax, esi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x462d40
Capabilities:
Create directory
Delete file

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4ce1e0
mov eax, dword fs:[0]
push eax
sub esp, 0x10
push esi
push edi
mov eax, dword [0x504108]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, edx
mov esi, ecx
mov dword [ebp - 0x18], esi
mov edx, str.MasterPDFData
mov dword [ebp - 0x1c], 0
lea ecx, [ebp - 0x10]
call fcn.004667c0
mov dword [ebp - 4], 0
push dword [ebp - 0x10]
call dword [sym.imp.SHLWAPI.dll_PathIsDirectoryW]
test eax, eax
jne 0x462dac
push dword [ebp - 0x10]
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push 0
push dword [ebp - 0x10]
push 0
call dword [sym.imp.SHELL32.dll_SHCreateDirectoryExW]
test edi, edi
je 0x462e06
push edi
lea ecx, [ebp - 0x14]
call fcn.00404280
lea eax, [ebp - 0x14]
mov byte [ebp - 4], 1
push eax
lea edx, [ebp - 0x10]
mov ecx, esi
call fcn.00464610
mov byte [ebp - 4], 0
or edi, 0xffffffff
mov edx, dword [ebp - 0x14]
add esp, 4
add edx, 0xfffffff0
mov eax, edi
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x462def
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov dword [ebp - 4], 0xffffffff
mov edx, dword [ebp - 0x10]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], edi
dec edi
test edi, edi
jmp 0x462e32
mov eax, dword [ebp - 0x10]
add eax, 0xfffffff0
push eax
call fcn.00404410
add eax, 0x10
mov dword [ebp - 4], 0xffffffff
mov edx, dword [ebp - 0x10]
add esp, 4
mov dword [esi], eax
add edx, 0xfffffff0
or eax, 0xffffffff
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x462e3c
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov eax, esi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x462e50
Capabilities:
Create directory
Delete file

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4ce1e0
mov eax, dword fs:[0]
push eax
sub esp, 0x10
push esi
push edi
mov eax, dword [0x504108]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, edx
mov esi, ecx
mov dword [ebp - 0x18], esi
mov edx, str.UserData
mov dword [ebp - 0x1c], 0
lea ecx, [ebp - 0x10]
call fcn.00462d40
mov dword [ebp - 4], 0
push dword [ebp - 0x10]
call dword [sym.imp.SHLWAPI.dll_PathIsDirectoryW]
test eax, eax
jne 0x462ebc
push dword [ebp - 0x10]
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push 0
push dword [ebp - 0x10]
push 0
call dword [sym.imp.SHELL32.dll_SHCreateDirectoryExW]
test edi, edi
je 0x462f16
push edi
lea ecx, [ebp - 0x14]
call fcn.00404280
lea eax, [ebp - 0x14]
mov byte [ebp - 4], 1
push eax
lea edx, [ebp - 0x10]
mov ecx, esi
call fcn.00464610
mov byte [ebp - 4], 0
or edi, 0xffffffff
mov edx, dword [ebp - 0x14]
add esp, 4
add edx, 0xfffffff0
mov eax, edi
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x462eff
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov dword [ebp - 4], 0xffffffff
mov edx, dword [ebp - 0x10]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], edi
dec edi
test edi, edi
jmp 0x462f42
mov eax, dword [ebp - 0x10]
add eax, 0xfffffff0
push eax
call fcn.00404410
add eax, 0x10
mov dword [ebp - 4], 0xffffffff
mov edx, dword [ebp - 0x10]
add esp, 4
mov dword [esi], eax
add edx, 0xfffffff0
or eax, 0xffffffff
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x462f4c
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov eax, esi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov esp, ebp
pop ebp
ret

Function at 0x462fa0
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
xor ebx, ebx
push ebx
push 0x80
push 3
push ebx
mov eax, edx
push 3
push SysReAllocString
push ecx
mov dword [eax], 0
mov dword [ebp - 4], eax
mov dword [edi], 0
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov esi, eax
cmp esi, 0xffffffff
je 0x463013
push ebx
push esi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [edi], eax
test eax, eax
je 0x46304f
cmp eax, 0xffffffff
je 0x46304f
add eax, 8
push 0x508330
push eax
call fcn.00484fbf
mov ebx, dword [ebp - 4]
mov ecx, eax
add esp, 8
mov dword [ebx], ecx
test ecx, ecx
jne 0x46301c
push esi
mov dword [edi], eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop edi
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, dword [edi]
add eax, 8
push eax
push 0
push ecx
call fcn.0049d8c0
add esp, 0xc
mov dword [ebp + 8], 0
lea eax, [ebp + 8]
push 0
push eax
push dword [edi]
push dword [ebx]
push esi
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov ecx, dword [ebp + 8]
xor ebx, ebx
cmp ecx, dword [edi]
sete bl
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop edi
pop esi
mov eax, ebx
pop ebx
mov esp, ebp
pop ebp
ret