2598e65f9f0d90b6c8f95539a457f536_JaffaCakes118

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General

Target
2598e65f9f0d90b6c8f95539a457f536_JaffaCakes118
Size 807KB
Sample240508-tcdv2acb8y
SHA256 215eef14f6ea8afb51096253180f7de73d0c36ea04c7612312af7ebcce1022d9
MD5 2598e65f9f0d90b6c8f95539a457f536
SHA1 c5036c23ad9af83cbb5dfe2fa75865d1f0ff2b01
SHA512 b92b002c37a27d4bc2cc9fe99f3fa04fcb882fd4bd7ddc4aa2d55c9560073e568d9c9b47df4e2175057784ef88e98845bca947e954342140bfcb2090cae69d75
SSDEEP 24576:zLdrPRu3NEZjwVPLKi4BuitSPydCrmJg86t:zRoElwVDugIqcumLo
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
unpack001/$PLUGINSDIR/ZipDLL.dll
unpack001/$PLUGINSDIR/okjamuz.dll

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

File Explorer

2598e65f9f0d90b6c8f95539a457f536_JaffaCakes118

.exe 807KB
$PLUGINSDIR/ZipDLL.dll

.dll 163KB
$PLUGINSDIR/okjamuz.dll

.dll 126KB
bedibbhddh.hddhbbi

570KB

2598e65f9f0d90b6c8f95539a457f536_JaffaCakes118

IMPHASH 7fa974366048f9c551ef45714595665e
SHA256 215eef14f6ea8afb51096253180f7de73d0c36ea04c7612312af7ebcce1022d9
MD5 2598e65f9f0d90b6c8f95539a457f536
SHA1 c5036c23ad9af83cbb5dfe2fa75865d1f0ff2b01
SHA512 b92b002c37a27d4bc2cc9fe99f3fa04fcb882fd4bd7ddc4aa2d55c9560073e568d9c9b47df4e2175057784ef88e98845bca947e954342140bfcb2090cae69d75
SSDEEP 24576:zLdrPRu3NEZjwVPLKi4BuitSPydCrmJg86t:zRoElwVDugIqcumLo
MD5 SHA1 SHA512 SSDEEP

windows:4 windows x86 arch:x86

NSIS installer

installer

PE Signature issue

Digest

42:e9:6a:a4:8f:e4:cf:3e:ea:ac:46:64:8d:e6:77:f3:e0:76:00:4e

Digest Algorithm

sha1

PE Digests Matches

Trusted

Not trusted

Signing Certificate

CN=SAfe downlOAd gtL,O=SAfe downlOAd gtL,L=Dublin,ST=Dublin,C=IE

Chains

May 3, 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/ZipDLL.dll

IMPHASH f10b94e3705eae25c7617ba56a648b77
SHA256 6bbeb39747f1526752980d4dbec2fe2c7347f3cc983a79c92561b92fe472e7a1
MD5 2dc35ddcabcb2b24919b9afae4ec3091
SHA1 9eeed33c3abc656353a7ebd1c66af38cccadd939
SHA512 0ccac336924f684da1f73db2dd230a0c932c5b4115ae1fa0e708b9db5e39d2a07dc54dac8d95881a42069cbb2c2886e880cdad715deda83c0de38757a0f6a901
SSDEEP 3072:8CkSJJ30k1pn2T4ISnUGN+E8KnCOxA17jxLmRtWHyPDQFllOdJiSg:tkSJy+c30UxbKnA1hLKWSVdk
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

62931

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

kernel32

lstrcmpiA GlobalFree lstrcpyA lstrcpynA GlobalAlloc GetLocaleInfoW LoadLibraryA IsBadCodePtr LocalFree FormatMessageA GetLastError MapViewOfFile CreateFileMappingA CloseHandle UnmapViewOfFile GetDiskFreeSpaceA CreateFileA GetCurrentDirectoryA SetFileAttributesA GetFileAttributesA GetDriveTypeA SetVolumeLabelA DeleteFileA MoveFileA CreateDirectoryA EnterCriticalSection Sleep InitializeCriticalSection InterlockedExchange DeleteCriticalSection LeaveCriticalSection InterlockedDecrement InterlockedIncrement WideCharToMultiByte MultiByteToWideChar RtlUnwind GetCommandLineA GetVersion HeapFree HeapReAlloc HeapAlloc RaiseException GetTimeZoneInformation GetSystemTime GetLocalTime SetFileTime LocalFileTimeToFileTime SystemTimeToFileTime SetEnvironmentVariableA SetCurrentDirectoryA GetFileType FlushFileBuffers SetStdHandle ExitProcess LCMapStringA LCMapStringW GetCPInfo CompareStringA CompareStringW GetCurrentThreadId TlsSetValue TlsAlloc TlsFree SetLastError TlsGetValue TerminateProcess GetCurrentProcess HeapSize SetHandleCount GetStdHandle GetStartupInfoA GetModuleFileNameA FreeEnvironmentStringsA FreeEnvironmentStringsW GetEnvironmentStrings GetEnvironmentStringsW GetModuleHandleA GetEnvironmentVariableA GetVersionExA HeapDestroy HeapCreate VirtualFree WriteFile VirtualAlloc IsBadWritePtr SetUnhandledExceptionFilter SetEndOfFile ReadFile SetFilePointer GetACP GetOEMCP IsValidLocale IsValidCodePage GetLocaleInfoA EnumSystemLocalesA GetUserDefaultLCID GetProcAddress GetStringTypeA GetStringTypeW IsBadReadPtr

user32

SendMessageA GetDlgItem SetWindowTextA FindWindowExA OemToCharBuffA CharToOemBuffA

$PLUGINSDIR/okjamuz.dll

IMPHASH 8e9b5b6e436a7821e9e4cf0ea51b2d92
SHA256 15ca80cacab210f9973d39a3e2f0b3248237299e6fed157b546644b312802191
MD5 9e1d2fb8a94dab7d6b9e1d8e3f70948f
SHA1 1fb6f1e5278164fbc7ab9cddbc820613b09f6fb1
SHA512 1effc5a52928f59817e9fc6c15f560ac18ebaa409b2e9b632dc217396983e35a2063cd95b5fc21a8cf1295c48ec2d9ce45969c7d5c9c7f8dfaa8a12fa3ef1be8
SSDEEP 1536:WfbTza5njfuZ0VimmoMjVvkHTS+eHZ4+cOI30iRPmVWL2nwqyZkT56jHb:KXY7sci3jRkH65fMBmGEyZG56f
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

30069

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

2598e65f9f0d90b6c8f95539a457f536_JaffaCakes118

PE Signature issue

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

generic

$PLUGINSDIR/ZipDLL.dll

kernel32

user32

generic

$PLUGINSDIR/okjamuz.dll

kernel32

generic

bedibbhddh.hddhbbi