a43e67b0ddc5adab5ded86860900f21c_JaffaCakes118

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General

Target
a43e67b0ddc5adab5ded86860900f21c_JaffaCakes118
Size 726KB
Sample240613-hemp6ssaml
SHA256 20293f2776633514809eaa36fbce8b15df345318d138810dc3c152bc2f6359ed
MD5 a43e67b0ddc5adab5ded86860900f21c
SHA1 ba89c653e30c102e69ee60cc39536077db3857dd
SHA512 f9d3600caea2cb030bbce4bcb9809f2227c27f9802856a7ad38159e3892c9744e92d61310b4c6ab1744af4a3264c0972c5e2416ef15d2ba5e73b6ead49fda354
SSDEEP 12288:vxg70F7VHEzT00SX5/a45JxScoWxi8HHFnX+GsxGDkQA3R//Jfc8vy4h:vuaJEzJEAcop8HlX+LGAI86
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/kmxoeuy.dll

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

File Explorer

a43e67b0ddc5adab5ded86860900f21c_JaffaCakes118

.exe 726KB
$PLUGINSDIR/ZipDLL.dll

.dll 163KB
$PLUGINSDIR/kmxoeuy.dll

.dll 170KB
bedfcffdbj.jbdffc

501KB

a43e67b0ddc5adab5ded86860900f21c_JaffaCakes118

IMPHASH 7fa974366048f9c551ef45714595665e
SHA256 20293f2776633514809eaa36fbce8b15df345318d138810dc3c152bc2f6359ed
MD5 a43e67b0ddc5adab5ded86860900f21c
SHA1 ba89c653e30c102e69ee60cc39536077db3857dd
SHA512 f9d3600caea2cb030bbce4bcb9809f2227c27f9802856a7ad38159e3892c9744e92d61310b4c6ab1744af4a3264c0972c5e2416ef15d2ba5e73b6ead49fda354
SSDEEP 12288:vxg70F7VHEzT00SX5/a45JxScoWxi8HHFnX+GsxGDkQA3R//Jfc8vy4h:vuaJEzJEAcop8HlX+LGAI86
MD5 SHA1 SHA512 SSDEEP

windows:4 windows x86 arch:x86

NSIS installer

installer

PE Signature issue

Digest

33:c0:d6:7c:90:de:72:9f:51:86:ea:72:88:56:99:41:ec:1d:bc:28

Digest Algorithm

sha1

PE Digests Matches

Trusted

Not trusted

Signing Certificate

CN=beST instALL TLL,O=beST instALL TLL,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/kmxoeuy.dll

IMPHASH 94972ed9e2d37f60c26f3ae754dd86dc
SHA256 30a89499e7e11968a6cd0fbd40e9b50d10fb8d66a0715aaec651a552039c702f
MD5 15633cb17a79403bd79062ddb5e8a027
SHA1 bccb2e48d09ccd74b729b346ab69e00eacb6bb3d
SHA512 643855e40317f601e507ecb6b6793187e52cb77b20d81b61208d156a8841171dd7cf2d1bc59bbaceab8a143cdad18677dd672886ef372e6add9282fc742bba08
SSDEEP 3072:GU5H/7GWh0TUmwiTTLy2Q689+xw2zfMSUj:z5HzGFDTLy2Q/7eZU
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

43133

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

a43e67b0ddc5adab5ded86860900f21c_JaffaCakes118

PE Signature issue

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

generic

$PLUGINSDIR/ZipDLL.dll

kernel32

user32

generic

$PLUGINSDIR/kmxoeuy.dll

kernel32

generic

bedfcffdbj.jbdffc