a55670d6a4b053c47ba982c270494cfe_JaffaCakes118

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General

Target
a55670d6a4b053c47ba982c270494cfe_JaffaCakes118
Size 649KB
Sample240613-nrmtlaxape
SHA256 1319f09f1ca247d1c1e66fb905027b811f51cd0196a7c0c4aa35b27d5bcdf407
MD5 a55670d6a4b053c47ba982c270494cfe
SHA1 ac7064bc30c3abcee044b6a8520d71b3be0361a4
SHA512 ffd56d0805a830ed7460f660c1eee0c7dbf3a3ce7a4a3dc4a7997368fcece2c8944364397f0ad0adb5adc0f25f1cef7347e7045f49ba424e34dfe01a7d313b97
SSDEEP 12288:6ZeEtQoG4MrF/MowDzffvNAKrSy+wZH2fBgehLW9yUaBavn7UCnafc8vy4hU:6ZNA5TczHNFSy+wZH2aetWQc4G386D
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/avdhmtb.dll

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

File Explorer

a55670d6a4b053c47ba982c270494cfe_JaffaCakes118

.exe 649KB
$PLUGINSDIR/ZipDLL.dll

.dll 163KB
$PLUGINSDIR/avdhmtb.dll

.dll 170KB
bedhefifdh.hdfif

436KB

a55670d6a4b053c47ba982c270494cfe_JaffaCakes118

IMPHASH 7fa974366048f9c551ef45714595665e
SHA256 1319f09f1ca247d1c1e66fb905027b811f51cd0196a7c0c4aa35b27d5bcdf407
MD5 a55670d6a4b053c47ba982c270494cfe
SHA1 ac7064bc30c3abcee044b6a8520d71b3be0361a4
SHA512 ffd56d0805a830ed7460f660c1eee0c7dbf3a3ce7a4a3dc4a7997368fcece2c8944364397f0ad0adb5adc0f25f1cef7347e7045f49ba424e34dfe01a7d313b97
SSDEEP 12288:6ZeEtQoG4MrF/MowDzffvNAKrSy+wZH2fBgehLW9yUaBavn7UCnafc8vy4hU:6ZNA5TczHNFSy+wZH2aetWQc4G386D
MD5 SHA1 SHA512 SSDEEP

windows:4 windows x86 arch:x86

NSIS installer

installer

PE Signature issue

Digest

cf:23:75:52:28:91:78:8e:1c:0e:19:10:a6:e1:a4:e5:a4:d1:c7:6d

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

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/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/avdhmtb.dll

IMPHASH 94972ed9e2d37f60c26f3ae754dd86dc
SHA256 a4036d8101263e9016a3bd2035d36db92d7e368cb0394531ef5cddc5193c47ff
MD5 ef0bc3f40213605e1782dac17bb99c72
SHA1 b41c0855e721fdb31fc06486c8f6e3a6663da301
SHA512 7bc20ce73d0db06de7f390cf6b757763b4ce27f8aaee71285e8b9590d62d1b281d996bbddbee5c493f23183384020a4804d4cdbfd11bc2fd45b9add282cfdafc
SSDEEP 3072:G7HLx5QOoA6gUuT+QTpxn9ffrp/+0w3z+acS:SLM2pBfr9mLcS
MD5 SHA1 SHA512 SSDEEP

windows:6 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.
NSIS installer

installer

Minor OS version

Major OS version

Entry point

41981

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

a55670d6a4b053c47ba982c270494cfe_JaffaCakes118

PE Signature issue

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

generic

$PLUGINSDIR/ZipDLL.dll

kernel32

user32

generic

$PLUGINSDIR/avdhmtb.dll

kernel32

generic

bedhefifdh.hdfif