ea531aaff6bd48a85fd2487979af5d6b_JaffaCakes118

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General

Target
ea531aaff6bd48a85fd2487979af5d6b_JaffaCakes118
Size 194KB
Sample240409-s2zclaee3t
SHA256 7bfa96ea7e2f70c3fdee3ce490a283b82a02e8e2f4ca724fc98cf70f90d8b92f
MD5 ea531aaff6bd48a85fd2487979af5d6b
SHA1 d9f39bbdbbfbcf0f2b677d142adde921b42861ce
SHA512 b622d4258c96ea855cb7773d0d703c74836a1223fce85f7711acb898e5cd67bb0c912c31cc65496c949bb8d5680905529fb458de2d67e9da2ab540f1c1caff8e
SSDEEP 6144:HwRidvldbA6T+Xn8cTAGFD5tfQoF9pACA6A5Jgqsms:M2ldbQXzdrfQa8Cbggqe
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 6 IoCs

Checks for missing Authenticode signature.

resource
ea531aaff6bd48a85fd2487979af5d6b_JaffaCakes118
unpack001/$PLUGINSDIR/System.dll
unpack001/$SYSDIR/$SYSDIR/$_14_.exe
unpack002/$PLUGINSDIR/InstallOptions.dll
unpack002/$PLUGINSDIR/System.dll
unpack001/$TEMP/$_8_.dll

NSIS installer 4 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2
static1/unpack001/$SYSDIR/$SYSDIR/$_14_.exe	nsis_installer_1
static1/unpack001/$SYSDIR/$SYSDIR/$_14_.exe	nsis_installer_2

File Explorer

ea531aaff6bd48a85fd2487979af5d6b_JaffaCakes118

.exe 194KB
$PLUGINSDIR/System.dll

.dll 10KB
$SYSDIR/$SYSDIR/$_14_.exe

.exe 46KB
$PLUGINSDIR/InstallOptions.dll

.dll 14KB
$PLUGINSDIR/System.dll

.dll 10KB
$PLUGINSDIR/validate.ini

450B
$TEMP/$_8_.dll

.dll 381KB

ea531aaff6bd48a85fd2487979af5d6b_JaffaCakes118

IMPHASH 099c0646ea7282d232219f8807883be0
SHA256 7bfa96ea7e2f70c3fdee3ce490a283b82a02e8e2f4ca724fc98cf70f90d8b92f
MD5 ea531aaff6bd48a85fd2487979af5d6b
SHA1 d9f39bbdbbfbcf0f2b677d142adde921b42861ce
SHA512 b622d4258c96ea855cb7773d0d703c74836a1223fce85f7711acb898e5cd67bb0c912c31cc65496c949bb8d5680905529fb458de2d67e9da2ab540f1c1caff8e
SSDEEP 6144:HwRidvldbA6T+Xn8cTAGFD5tfQoF9pACA6A5Jgqsms:M2ldbQXzdrfQa8Cbggqe
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

12837

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

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 CreateFileA GetFileSize GetModuleFileNameA GetCurrentProcess CopyFileA ExitProcess SetFileTime GetTempPathA GetCommandLineA SetErrorMode LoadLibraryA lstrcpynA GetDiskFreeSpaceA GlobalUnlock GlobalLock CreateThread CreateProcessA RemoveDirectoryA 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 GetWindowsDirectoryA

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/System.dll

IMPHASH 4ec328f99bdd944fc98d8a5cf11f7a62
SHA256 91c47a9a54a3a8c359e89a8b4e133e6b7296586748ed3e8f4fe566abd6c81ddd
MD5 7e3c808299aa2c405dffa864471ddb7f
SHA1 b5de7804dd35ed7afd0c3b59d866f1a0749495e0
SHA512 599f61d5270227a68e5c4b8db41b5aa7bc17a4bbe91dd7336b410516fa6107f4f5bf0bbb3f6cc4b2e15b16bf9495fdc70832bab6262046cb136ad18f0c9b3738
SSDEEP 192:LO6dJA/ruAFEiUdWWE6hsD4YUdJfbub1awgMO:SKAFERdlxhTYUzqZaw
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

10425

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

$SYSDIR/$SYSDIR/$_14_.exe

IMPHASH 099c0646ea7282d232219f8807883be0
SHA256 0edcfc77ab368f894127d802e26d27f7cc1eb275c7e9f18fea4e6ee748abccf4
MD5 394b247ea0586e4e8b52f3bd4e283504
SHA1 885d12398788a06b028ce98272b89bbb0f14dd81
SHA512 b751e26ac21545934e4a4479d6d1a80a740dc7af7daebe176399155a2cf1b8ee62bea0ca400cee635f0ebb92c5f0c0ecaafd7bfe85ac20812ea155b45dfc7000
SSDEEP 768:SSup23EQCjlQRB8/ewZ1iU6nyYFxbssT/F/O71mJ5TJRn0OSk3thG9bvLAoTlBBb:Hu4EQalMK/ewGnh0mJ6+3vobDAuTKe
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

12837

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

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

user32

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/InstallOptions.dll

IMPHASH b1cd0d78f652ce5fc63f0879371af012
SHA256 2ca5590c85cc31285b83bbe569755d909d91b559db2d6ce3bca2fcc075225364
MD5 06bef96b91bfa75b7f7817341a6cd597
SHA1 48a40368fc339ccea1dfda06d2e02bca7d7265c1
SHA512 5364d0944b4be215fb5d8bb8398e965ff6fa3190a962dd6c491984482321756017f89c2242d77ebcce6666c31fe54a956f2eb3a03a95d64121a1db462ad20a0d
SSDEEP 192:Q6JaVGQ+xI5EeuyvMmGpeWH2J5xprN+AxTtK72dwF7dBdcQOz:Q6JaVh4I5rpPbTt+BdhO
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

10795

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

SetCurrentDirectoryA GetCurrentDirectoryA MultiByteToWideChar GetPrivateProfileIntA GlobalLock GetModuleHandleA lstrcmpiA GetPrivateProfileStringA lstrcatA lstrcpynA WritePrivateProfileStringA lstrlenA lstrcpyA GlobalFree GlobalUnlock GlobalAlloc

user32

MapWindowPoints GetDlgCtrlID CloseClipboard GetClipboardData OpenClipboard PtInRect SetWindowRgn LoadIconA LoadImageA SetWindowLongA CreateWindowExA MapDialogRect SetWindowPos GetWindowRect CreateDialogParamA ShowWindow EnableMenuItem GetSystemMenu EnableWindow GetDlgItem DestroyIcon DestroyWindow DispatchMessageA TranslateMessage GetMessageA IsDialogMessageA LoadCursorA SetCursor DrawTextA GetWindowLongA DrawFocusRect CallWindowProcA PostMessageA MessageBoxA CharNextA wsprintfA GetWindowTextA SetWindowTextA SendMessageA GetClientRect

gdi32

SetTextColor CreateCompatibleDC GetObjectA GetDIBits CreateRectRgn CombineRgn DeleteObject SelectObject

shell32

SHBrowseForFolderA SHGetDesktopFolder SHGetPathFromIDListA ShellExecuteA

comdlg32

GetOpenFileNameA GetSaveFileNameA CommDlgExtendedError

ole32

CoTaskMemFree

$PLUGINSDIR/System.dll

IMPHASH 4ec328f99bdd944fc98d8a5cf11f7a62
SHA256 91c47a9a54a3a8c359e89a8b4e133e6b7296586748ed3e8f4fe566abd6c81ddd
MD5 7e3c808299aa2c405dffa864471ddb7f
SHA1 b5de7804dd35ed7afd0c3b59d866f1a0749495e0
SHA512 599f61d5270227a68e5c4b8db41b5aa7bc17a4bbe91dd7336b410516fa6107f4f5bf0bbb3f6cc4b2e15b16bf9495fdc70832bab6262046cb136ad18f0c9b3738
SSDEEP 192:LO6dJA/ruAFEiUdWWE6hsD4YUdJfbub1awgMO:SKAFERdlxhTYUzqZaw
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

10425

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

$TEMP/$_8_.dll

IMPHASH e2d407ddd66d420ce04bc388315345c3
SHA256 13e04a3fc70b4215feb1c4d01d74a1084d2248caa6196ff4ba91d196095c90c1
MD5 b194d282bb6b81ecfdea7a44f9cd0d8d
SHA1 372fa3b4f01fe7979472db8ba59e2ece7053fdb8
SHA512 1fd0ce9bb35e0a9b28be04d86120cf87f9de436835b0f98409dde5e1dd104ca575fc3da5744209cbadf0be75451571241ead5d1e79e2daf2a43b4a2163e57062
SSDEEP 6144:rgxECaD3NFLzhrvhayIvR+z8SndYFN1y2antUIYucX5ZLKI4j:rgxxaDn3hrpayIvR+A+dYFN1y2aCIYug
MD5 SHA1 SHA512 SSDEEP

regsvr32 windows:5 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.
NSIS installer

installer

Minor OS version

Major OS version

Entry point

241547

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

shlwapi

StrCmpIW SHDeleteKeyW UrlEscapeW PathStripPathW StrStrIW

kernel32

LoadLibraryA lstrlenW EnterCriticalSection LeaveCriticalSection InitializeCriticalSection DeleteCriticalSection CloseHandle GetSystemTime CreateEventW ExitThread MultiByteToWideChar WideCharToMultiByte FreeLibrary WriteConsoleW GetConsoleOutputCP WriteConsoleA SetStdHandle LCMapStringW GetProcAddress GetStringTypeW GetStringTypeA GetLocaleInfoA GetConsoleMode GetConsoleCP SetFilePointer InitializeCriticalSectionAndSpinCount IsValidCodePage GetOEMCP GetACP GetCPInfo HeapReAlloc VirtualAlloc CreateFileA FlushFileBuffers LCMapStringA TerminateProcess GetSystemTimeAsFileTime GetCurrentProcessId GetTickCount QueryPerformanceCounter VirtualFree HeapDestroy HeapCreate GetEnvironmentStringsW FreeEnvironmentStringsW GetEnvironmentStrings FreeEnvironmentStringsA GetStartupInfoA GetFileType SetHandleCount GetModuleFileNameA GetStdHandle WriteFile GetModuleHandleA GetCurrentProcess UnhandledExceptionFilter SetUnhandledExceptionFilter IsDebuggerPresent GetCurrentThreadId GetCommandLineA RaiseException RtlUnwind GetLastError HeapFree HeapAlloc GetModuleHandleW TlsGetValue TlsAlloc TlsSetValue TlsFree InterlockedIncrement SetLastError InterlockedDecrement Sleep HeapSize ExitProcess

user32

CharLowerW GetClassNameW CharUpperW CallWindowProcW GetWindowTextW RealGetWindowClassW EnumChildWindows ClientToScreen InflateRect IntersectRect OffsetRect SetWindowTextW SendMessageW PostMessageW SetActiveWindow RemovePropW GetPropW SetPropW GetWindowThreadProcessId TranslateMessage PeekMessageW MsgWaitForMultipleObjects DispatchMessageW SetWindowLongW

advapi32

RegSetValueExW RegQueryValueExW RegCloseKey RegCreateKeyW SetSecurityInfo

ole32

CoInitializeEx CoTaskMemFree CoUninitialize CoCreateInstance

oleaut32

VariantCopy SafeArrayDestroy SafeArrayPutElement SafeArrayCreateVector VariantChangeType VariantClear VariantInit SysStringLen SysAllocString SysFreeString SysAllocStringLen

Sharing

General

Malware Config

Signatures

File Explorer

ea531aaff6bd48a85fd2487979af5d6b_JaffaCakes118

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

generic

$PLUGINSDIR/System.dll

kernel32

user32

ole32

generic

$SYSDIR/$SYSDIR/$_14_.exe

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

generic

$PLUGINSDIR/InstallOptions.dll

kernel32

user32

gdi32

shell32

comdlg32

ole32

generic

$PLUGINSDIR/System.dll

kernel32

user32

ole32

generic

$PLUGINSDIR/validate.ini

$TEMP/$_8_.dll

shlwapi

kernel32

user32

advapi32

ole32

oleaut32

generic