a1b918e3d8bf046d4ae33ddb3bd41494_JaffaCakes118

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General

Target
a1b918e3d8bf046d4ae33ddb3bd41494_JaffaCakes118
Size 976KB
Sample240612-w1fewayejl
SHA256 15697c222237f22fbcc8f0fbecdad948b5698753da4a9cc0a8f2f8892c5e6e56
MD5 a1b918e3d8bf046d4ae33ddb3bd41494
SHA1 9fe0bb350d118a323985fcd171f7c5487148b582
SHA512 adc4b5d932ad7d09239b46cd8f1da07f292058f6b21de6ba3125c5975d1b6a8d93ee4be7a054d789ba6b61c0c0a8f08775c410db427d4db121c4489f7e129733
SSDEEP 12288:hKHN/Um3b7bt5ORv7OfUej1YY+oPfmH7OdIgbB1Nx0WkljfyU0NsA3wPPgMSHaIQ:hxm3jWRCD+sdDkpYP3wPwn2arwpZ7V
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

a1b918e3d8bf046d4ae33ddb3bd41494_JaffaCakes118

.exe 976KB
$PLUGINSDIR/Convert.dll

.dll 114KB
instructionsBv3.dat

1.3MB

a1b918e3d8bf046d4ae33ddb3bd41494_JaffaCakes118

IMPHASH 7fa974366048f9c551ef45714595665e
SHA256 15697c222237f22fbcc8f0fbecdad948b5698753da4a9cc0a8f2f8892c5e6e56
MD5 a1b918e3d8bf046d4ae33ddb3bd41494
SHA1 9fe0bb350d118a323985fcd171f7c5487148b582
SHA512 adc4b5d932ad7d09239b46cd8f1da07f292058f6b21de6ba3125c5975d1b6a8d93ee4be7a054d789ba6b61c0c0a8f08775c410db427d4db121c4489f7e129733
SSDEEP 12288:hKHN/Um3b7bt5ORv7OfUej1YY+oPfmH7OdIgbB1Nx0WkljfyU0NsA3wPPgMSHaIQ:hxm3jWRCD+sdDkpYP3wPwn2arwpZ7V
MD5 SHA1 SHA512 SSDEEP

windows:4 windows x86 arch:x86

NSIS installer

installer

PE Signature issue

Digest

53:f5:81:6b:4d:c8:f9:dd:7f:df:1d:d4:16:8a:4a:f8:27:41:03:b7

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 2c45897153ced9e105a3e95a09fcf757bd48d0228974410f1c29977bb0660aa9
MD5 800146b096a206b799d42699344bcc41
SHA1 19d45579c0f8fda2f03c1e5f661654b381b48201
SHA512 8c214ea6a75b165f9a76a3895e8c4ebed4949ff387d4692a1a0b9e6b27d450a451d6b3645a7783d81570159df2553a6013feb2f0ae0b62c83764fbf97e8ab34f
SSDEEP 1536:qehBo8G3FQbpDXu6BbIXkCDPoxBWPa1IPHTXamfiHF6WF6HUZrvkDBO:p/JbpDXrKUtW1LKmfgFjFUUZrvOBO
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

a1b918e3d8bf046d4ae33ddb3bd41494_JaffaCakes118

PE Signature issue

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

generic

$PLUGINSDIR/Convert.dll

kernel32

generic

instructionsBv3.dat