3737a705b553c9a6245722aa948a2beb_JaffaCakes118

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General

Target
3737a705b553c9a6245722aa948a2beb_JaffaCakes118
Size 423KB
Sample240330-jms3labc5y
SHA256 612a346d3e2412113c53343b67419bc7a13bcf1bfe890137b68b3b5553a20096
MD5 3737a705b553c9a6245722aa948a2beb
SHA1 b6a2abfaaffbb3560dc9ebae6f3bd14aa0594b44
SHA512 401c211911ab46dfe85c015e2aa9c469f5486457f980c5eea4bf5e27ca74d13069c74ff9844cfd2d755e6ca44997e1ad49655bd8d383366ab40ed48e709ef22a
SSDEEP 6144:VBlL/ideqEZ6AVoZcSJGr9TB0PvQqlKxOwCOnPj+p9sHRBNmoJke6:DRvrVpovkEQnPip6HdMP
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
3737a705b553c9a6245722aa948a2beb_JaffaCakes118
unpack001/$PLUGINSDIR/wxmkcb.dll

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

File Explorer

3737a705b553c9a6245722aa948a2beb_JaffaCakes118

.exe 423KB
$PLUGINSDIR/wxmkcb.dll

.dll 30KB
0bo2wzim8pxh6t4

214KB

3737a705b553c9a6245722aa948a2beb_JaffaCakes118

IMPHASH b76363e9cb88bf9390860da8e50999d2
SHA256 612a346d3e2412113c53343b67419bc7a13bcf1bfe890137b68b3b5553a20096
MD5 3737a705b553c9a6245722aa948a2beb
SHA1 b6a2abfaaffbb3560dc9ebae6f3bd14aa0594b44
SHA512 401c211911ab46dfe85c015e2aa9c469f5486457f980c5eea4bf5e27ca74d13069c74ff9844cfd2d755e6ca44997e1ad49655bd8d383366ab40ed48e709ef22a
SSDEEP 6144:VBlL/ideqEZ6AVoZcSJGr9TB0PvQqlKxOwCOnPj+p9sHRBNmoJke6:DRvrVpovkEQnPip6HdMP
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

12539

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

GetTickCount GetShortPathNameA GetFullPathNameA MoveFileA SetCurrentDirectoryA GetFileAttributesA SetFileAttributesA CompareFileTime SearchPathA GetFileSize GetModuleFileNameA GetCurrentProcess CopyFileA ExitProcess GetWindowsDirectoryA GetTempPathA Sleep lstrcmpiA GetVersion SetErrorMode lstrcpynA GetDiskFreeSpaceA GlobalUnlock GlobalLock CreateThread GetLastError CreateDirectoryA CreateProcessA RemoveDirectoryA CreateFileA GetTempFileNameA lstrcatA GetSystemDirectoryA WaitForSingleObject SetFileTime CloseHandle GlobalFree lstrcmpA ExpandEnvironmentStringsA GetExitCodeProcess GlobalAlloc lstrlenA GetCommandLineA GetProcAddress FindFirstFileA FindNextFileA DeleteFileA SetFilePointer ReadFile FindClose GetPrivateProfileStringA WritePrivateProfileStringA WriteFile MulDiv MultiByteToWideChar LoadLibraryExA GetModuleHandleA FreeLibrary

user32

SetCursor GetWindowRect EnableMenuItem GetSystemMenu SetClassLongA IsWindowEnabled SetWindowPos GetSysColor EndDialog ScreenToClient LoadCursorA CheckDlgButton GetMessagePos LoadBitmapA CallWindowProcA IsWindowVisible CloseClipboard SetForegroundWindow GetWindowLongA RegisterClassA TrackPopupMenu AppendMenuA CreatePopupMenu GetSystemMetrics SetDlgItemTextA GetDlgItemTextA MessageBoxIndirectA CharPrevA DispatchMessageA PeekMessageA GetDC EnableWindow InvalidateRect SendMessageA DefWindowProcA BeginPaint GetClientRect FillRect DrawTextA SystemParametersInfoA CreateWindowExA GetClassInfoA DialogBoxParamA CharNextA ExitWindowsEx SetTimer PostQuitMessage SetWindowLongA SendMessageTimeoutA LoadImageA wsprintfA GetDlgItem FindWindowExA IsWindow SetClipboardData EmptyClipboard OpenClipboard EndPaint CreateDialogParamA DestroyWindow ShowWindow SetWindowTextA

gdi32

SelectObject SetBkMode CreateFontIndirectA SetTextColor DeleteObject GetDeviceCaps CreateBrushIndirect SetBkColor

shell32

SHGetSpecialFolderLocation SHGetPathFromIDListA SHBrowseForFolderA SHGetFileInfoA SHFileOperationA ShellExecuteA

advapi32

RegDeleteValueA SetFileSecurityA RegOpenKeyExA RegDeleteKeyA RegEnumValueA RegCloseKey RegCreateKeyExA RegSetValueExA RegQueryValueExA RegEnumKeyA

comctl32

ImageList_AddMasked ImageList_Destroy ImageList_Create ord17

ole32

OleUninitialize OleInitialize CoTaskMemFree CoCreateInstance

$PLUGINSDIR/wxmkcb.dll

IMPHASH e333e979537611f1dbc56ada001ba65d
SHA256 b31b5199366598aa7e035d334e1f045b79902aedb13186f8ba178f9cc8d7b49a
MD5 0c830a1bd50b239167ea8a7bdd68e095
SHA1 e65f3280c817f0f7e52a52112121d17ffcbc7e5d
SHA512 c81ced34a906cfcd2e79466a0cbed7bcca3d5d830dcb5b710d45ea2d572d19763bd7721c55368e80a015e716f47e0fe8f45acf30d8e8e24e9d4c0e3d00dffa17
SSDEEP 768:SSFszi/seKQIcgu2VUMyPx470ahDw+GTN:mzl9QIcgu2v2ah9G
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

22632

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

shlwapi

StrStrIW

winmm

joyGetDevCapsW joyGetNumDevs midiInGetNumDevs midiInStop waveInStart waveOutBreakLoop waveOutPrepareHeader

rtm

MgmDeRegisterMProtocol MgmInitialize RtmAddRoute RtmGetFirstRoute RtmIsRoute

shell32

SHGetFileInfo SHGetFileInfoW SHGetPathFromIDList

winspool.drv

DevQueryPrintEx DeviceCapabilities EXTDEVICEMODE EnumPrinterDataW FindFirstPrinterChangeNotification FreePrinterNotifyInfo GetJobA ord205

avifil32

AVIFileAddRef AVIFileCreateStreamA AVIFileEndRecord AVIMakeCompressedStream AVIStreamTimeToSample

msvfw32

ICSendMessage ICSeqCompressFrameEnd MCIWndCreate

kernel32

CloseHandle CopyFileW CreateFileW DeleteFileW EnumSystemCodePagesW FindClose FindFirstFileA FindFirstFileW FindNextFileA FindNextFileW GetFileSize GetLastError GetProcessHeap GetSystemDirectoryW HeapAlloc HeapFree HeapReAlloc MultiByteToWideChar ReadFile SetLastError WideCharToMultiByte lstrcatA lstrcatW lstrcpyA lstrcpyW lstrlenA lstrlenW

advapi32

RegCloseKey RegCreateKeyExW RegDeleteValueW RegSetValueExW

msvcrt

_adjust_fdiv _initterm free malloc memcpy memset swprintf wcscmp

3737a705b553c9a6245722aa948a2beb_JaffaCakes118

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

generic

$PLUGINSDIR/wxmkcb.dll

shlwapi

winmm

rtm

shell32

winspool.drv

avifil32

msvfw32

kernel32

advapi32

msvcrt

generic

0bo2wzim8pxh6t4