a31afcad6439c613f41a85780adc1fb1_JaffaCakes118

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General

Target
a31afcad6439c613f41a85780adc1fb1_JaffaCakes118
Size 575KB
Sample240613-alnbaazgrp
SHA256 12812395d82e03f322b09b0d045d36a8ca3c48e8ee3ea590d35928531f7f15bb
MD5 a31afcad6439c613f41a85780adc1fb1
SHA1 835850c1bcd12240b82978a5873737fd91b5a1c5
SHA512 d7b07351801b68de8c94cdf74d495b56aca0d3cc1108a671e6b055b7044495366ffce4da75481109106eb77e0e3a45419816349d745bc31bdf7c136b5bf661e7
SSDEEP 12288:6pUmImXYptz6aKI3Z/Ag3/WAxFPBO7cBh99q9ySWGNJMf+VERjAmljc:6WoKzSIJ/hvFjPBQcBh99qcSzNWfyyA
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
unpack001/$PLUGINSDIR/nsisunz.dll
unpack001/$PLUGINSDIR/zzr.dll

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

File Explorer

a31afcad6439c613f41a85780adc1fb1_JaffaCakes118

.exe 575KB
$PLUGINSDIR/nsisunz.dll

.dll 40KB
$PLUGINSDIR/zzr.dll

.dll 121KB
insHv6.bbchcabecaeg

447KB

a31afcad6439c613f41a85780adc1fb1_JaffaCakes118

IMPHASH 7fa974366048f9c551ef45714595665e
SHA256 12812395d82e03f322b09b0d045d36a8ca3c48e8ee3ea590d35928531f7f15bb
MD5 a31afcad6439c613f41a85780adc1fb1
SHA1 835850c1bcd12240b82978a5873737fd91b5a1c5
SHA512 d7b07351801b68de8c94cdf74d495b56aca0d3cc1108a671e6b055b7044495366ffce4da75481109106eb77e0e3a45419816349d745bc31bdf7c136b5bf661e7
SSDEEP 12288:6pUmImXYptz6aKI3Z/Ag3/WAxFPBO7cBh99q9ySWGNJMf+VERjAmljc:6WoKzSIJ/hvFjPBQcBh99qcSzNWfyyA
MD5 SHA1 SHA512 SSDEEP

windows:4 windows x86 arch:x86

NSIS installer

installer

PE Signature issue

Digest

07:07:fb:43:a7:3e:ed:a8:ce:bb:08:67:66:4f:d8:10:ed:e0:bc:25

Digest Algorithm

sha1

PE Digests Matches

Trusted

Not trusted

Signing Certificate

CN=Start Now,O=Start Now,L=DUBLIN,C=IE

Chains

Jun 12, 2024

Minor OS version

Major OS version

Entry point

12538

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE

PDB paths

kernel32

CompareFileTime SearchPathA GetShortPathNameA GetFullPathNameA MoveFileA SetCurrentDirectoryA GetFileAttributesA GetLastError CreateDirectoryA SetFileAttributesA Sleep GetTickCount GetFileSize GetModuleFileNameA GetCurrentProcess CopyFileA ExitProcess GetWindowsDirectoryA SetFileTime GetCommandLineA SetErrorMode LoadLibraryA lstrcpynA GetDiskFreeSpaceA GlobalUnlock GlobalLock CreateThread CreateProcessA RemoveDirectoryA CreateFileA GetTempFileNameA lstrlenA lstrcatA GetSystemDirectoryA GetVersion CloseHandle lstrcmpiA lstrcmpA ExpandEnvironmentStringsA GlobalFree GlobalAlloc WaitForSingleObject GetExitCodeProcess GetModuleHandleA LoadLibraryExA GetProcAddress FreeLibrary MultiByteToWideChar WritePrivateProfileStringA GetPrivateProfileStringA WriteFile ReadFile MulDiv SetFilePointer FindClose FindNextFileA FindFirstFileA DeleteFileA GetTempPathA

user32

EndDialog ScreenToClient GetWindowRect EnableMenuItem GetSystemMenu SetClassLongA IsWindowEnabled SetWindowPos GetSysColor GetWindowLongA SetCursor LoadCursorA CheckDlgButton GetMessagePos LoadBitmapA CallWindowProcA IsWindowVisible CloseClipboard SetClipboardData EmptyClipboard RegisterClassA TrackPopupMenu AppendMenuA CreatePopupMenu GetSystemMetrics SetDlgItemTextA GetDlgItemTextA MessageBoxIndirectA CharPrevA DispatchMessageA PeekMessageA DestroyWindow CreateDialogParamA SetTimer SetWindowTextA PostQuitMessage SetForegroundWindow wsprintfA SendMessageTimeoutA FindWindowExA SystemParametersInfoA CreateWindowExA GetClassInfoA DialogBoxParamA CharNextA OpenClipboard ExitWindowsEx IsWindow GetDlgItem SetWindowLongA LoadImageA GetDC EnableWindow InvalidateRect SendMessageA DefWindowProcA BeginPaint GetClientRect FillRect DrawTextA EndPaint ShowWindow

gdi32

SetBkColor GetDeviceCaps DeleteObject CreateBrushIndirect CreateFontIndirectA SetBkMode SetTextColor SelectObject

shell32

SHGetPathFromIDListA SHBrowseForFolderA SHGetFileInfoA ShellExecuteA SHFileOperationA SHGetSpecialFolderLocation

advapi32

RegQueryValueExA RegSetValueExA RegEnumKeyA RegEnumValueA RegOpenKeyExA RegDeleteKeyA RegDeleteValueA RegCloseKey RegCreateKeyExA

comctl32

ImageList_AddMasked ImageList_Destroy ord17 ImageList_Create

ole32

CoTaskMemFree OleInitialize OleUninitialize CoCreateInstance

version

GetFileVersionInfoSizeA GetFileVersionInfoA VerQueryValueA

$PLUGINSDIR/nsisunz.dll

IMPHASH 0f92772da9c737d2bac38919e9863980
SHA256 6e87ecb7f62039fbb6e7676422d1a5e75a32b90dde6865dcb68ee658ba8df61d
MD5 5f13dbc378792f23e598079fc1e4422b
SHA1 5813c05802f15930aa860b8363af2b58426c8adf
SHA512 9270635a5294482f49e0292e26d45dd103b85fe27dc163d44531b095c5f9dbde6b904adaf1a888ba3c112a094380394713c796f5195b2566a20f00b42b6578e5
SSDEEP 384:KExN66Yf2xL5Q4IsjuUjUZfqRDpImexpf88FwHxXvjX3hwlHt6oIfESxSHoOO8n9:O2x64GcVpI3xC8ynToIf1SIOhW4
MD5 SHA1 SHA512 SSDEEP

windows:4 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.
NSIS installer

installer

Minor OS version

Major OS version

Entry point

17930

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

$PLUGINSDIR/zzr.dll

IMPHASH 694964f2ca509d78674ef70151958664
SHA256 0386a934807991dbf80a74b2cfce3df02917e6118558555d44f8caddd250c1e4
MD5 c3724b2d1a24b4e4bf53d28865d6d80b
SHA1 e522e36b04e6764d3920bcdb903b9fed31432d87
SHA512 6973e9b92802e1a7804a38c86dee5a42b46dadcf8f418642115ab64673ad5885de7058dfed63856acfb514e2959f92b1a76396b1ac41d47e6b55bb200ed321ee
SSDEEP 1536:MYcNVhz/CkSL/l6uWRL4bGhB5YdQYIWSTuf1IhzE0nOBA4ean2bNL:M37z/CxDa7BYISfS2rveW2bZ
MD5 SHA1 SHA512 SSDEEP

windows:5 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.
NSIS installer

installer

Minor OS version

Major OS version

Entry point

16203

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

kernel32

GlobalFree lstrcpyA GetCurrentThreadId DecodePointer GetCommandLineA RaiseException GetLastError HeapFree EnterCriticalSection LeaveCriticalSection TerminateProcess GetCurrentProcess UnhandledExceptionFilter SetUnhandledExceptionFilter IsDebuggerPresent HeapAlloc EncodePointer IsProcessorFeaturePresent TlsAlloc TlsGetValue TlsSetValue TlsFree InterlockedIncrement GetModuleHandleW SetLastError InterlockedDecrement GetProcAddress Sleep ExitProcess SetHandleCount GetStdHandle InitializeCriticalSectionAndSpinCount GetFileType GetStartupInfoW DeleteCriticalSection GetModuleFileNameA FreeEnvironmentStringsW WideCharToMultiByte GetEnvironmentStringsW HeapCreate HeapDestroy QueryPerformanceCounter GetTickCount GetCurrentProcessId GetSystemTimeAsFileTime ReadFile SetFilePointer WriteFile GetConsoleCP GetConsoleMode FlushFileBuffers CloseHandle GetModuleFileNameW RtlUnwind HeapSize GetCPInfo GetACP GetOEMCP IsValidCodePage HeapReAlloc LoadLibraryW GetLocaleInfoW MultiByteToWideChar SetStdHandle WriteConsoleW LCMapStringW GetStringTypeW CreateFileW GetUserDefaultLCID GetLocaleInfoA EnumSystemLocalesA IsValidLocale InitializeCriticalSection SetEndOfFile GetProcessHeap

a31afcad6439c613f41a85780adc1fb1_JaffaCakes118

PE Signature issue

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

generic

$PLUGINSDIR/nsisunz.dll

kernel32

user32

generic

$PLUGINSDIR/zzr.dll

kernel32

generic

insHv6.bbchcabecaeg