a53f4815118baadfc51387f8a813282e_JaffaCakes118

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General

Target
a53f4815118baadfc51387f8a813282e_JaffaCakes118
Size 707KB
Sample240613-nc2n7swepc
SHA256 156431cf1ed5981a7fe8729a9dc5df8b4b6e08ab635b6cbd93c0cc4d79f71496
MD5 a53f4815118baadfc51387f8a813282e
SHA1 05851372cc8c9e4c05401228f8ae171ae8fda2c4
SHA512 dffb300917ef69d2ea5c96f4edddad8c3097d143900071113ed85db6c71320a34a16db11a58610f9a7d0a9cd0a9ad9c0059c70109ae7d8534e4cd52db51d5586
SSDEEP 12288:F4lmv05Fa7QsMHYVgAfFPmwQg8lfUDJkvqGzj5FQ8QDb3dnDwAr/o/mNe3akx80N:F4KQs7Vg6F+PfUDK95i8QDDphouA3akH
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/$PLUGINSDIR/Convert.dll

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

File Explorer

a53f4815118baadfc51387f8a813282e_JaffaCakes118

.exe 707KB
$PLUGINSDIR/Convert.dll

.dll 114KB
instructionsBv3.dat

790KB

a53f4815118baadfc51387f8a813282e_JaffaCakes118

IMPHASH 7fa974366048f9c551ef45714595665e
SHA256 156431cf1ed5981a7fe8729a9dc5df8b4b6e08ab635b6cbd93c0cc4d79f71496
MD5 a53f4815118baadfc51387f8a813282e
SHA1 05851372cc8c9e4c05401228f8ae171ae8fda2c4
SHA512 dffb300917ef69d2ea5c96f4edddad8c3097d143900071113ed85db6c71320a34a16db11a58610f9a7d0a9cd0a9ad9c0059c70109ae7d8534e4cd52db51d5586
SSDEEP 12288:F4lmv05Fa7QsMHYVgAfFPmwQg8lfUDJkvqGzj5FQ8QDb3dnDwAr/o/mNe3akx80N:F4KQs7Vg6F+PfUDK95i8QDDphouA3akH
MD5 SHA1 SHA512 SSDEEP

windows:4 windows x86 arch:x86

NSIS installer

installer

PE Signature issue

Digest

39:7c:9a:38:75:ff:49:52:54:af:db:b3:64:b4:00:b3:35:c0:97:fb

Digest Algorithm

sha1

PE Digests Matches

Trusted

Not trusted

Signing Certificate

CN=OUTBROWSE,O=OUTBROWSE,POSTALCODE=5252337,STREET=Bialik Number: 143,L=Ramat Gan,ST=Israel,C=IL

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/Convert.dll

IMPHASH 20e509db55575c770f1d4734aa289c8f
SHA256 089da0e59e2ce9eadccd58479e2600e1a7e172b682604a1c980683dea258bd48
MD5 71168aa0e284468f8520b2315b7fac31
SHA1 27079df5784394f0a5d3737f6b0a46bb7770cdfe
SHA512 d975a251f8209e4a0fdeed476f9a1ab9b7a3ba79963d2774ca7fa6f088cd316baeab43bc5652fda49d5960bc2ef6a643800e15669200bfa3ea1d78cd9bb20d0d
SSDEEP 1536:ZehBo8G3F/pDXu6BbIXkCDPoxBWPa1IPHTXamfiHF6WF6HU6r2kDBO:2/qpDXrKUtW1LKmfgFjFUU6r2OBO
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

23509

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 SetEndOfFile RaiseException RtlUnwind GetCurrentThreadId DecodePointer GetCommandLineA GetLastError HeapFree EnterCriticalSection LeaveCriticalSection HeapAlloc IsProcessorFeaturePresent EncodePointer TlsAlloc TlsGetValue TlsSetValue TlsFree InterlockedIncrement GetModuleHandleW SetLastError InterlockedDecrement GetProcAddress TerminateProcess GetCurrentProcess UnhandledExceptionFilter SetUnhandledExceptionFilter IsDebuggerPresent 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 HeapSize GetCPInfo GetACP GetOEMCP IsValidCodePage HeapReAlloc LoadLibraryW GetLocaleInfoW MultiByteToWideChar SetStdHandle WriteConsoleW LCMapStringW GetStringTypeW CreateFileW GetUserDefaultLCID GetLocaleInfoA EnumSystemLocalesA IsValidLocale InitializeCriticalSection GetProcessHeap

a53f4815118baadfc51387f8a813282e_JaffaCakes118

PE Signature issue

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

generic

$PLUGINSDIR/Convert.dll

kernel32

generic

instructionsBv3.dat