73fe142254abec3aeaef375f0564d40a_JaffaCakes118

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General

Target
73fe142254abec3aeaef375f0564d40a_JaffaCakes118
Size 254KB
Sample240401-s5txaagf3x
SHA256 19428f9c431fb0f8d6fbd9ca194589bacf9d9d3e475717031373b71982bea2a5
MD5 73fe142254abec3aeaef375f0564d40a
SHA1 8529d972dd89f69eb2dc2a3ba9207e67626de9b9
SHA512 848d4bc144f1f861823f08ab355184786f3832555236dffa2b5639e3ceb6c2578ff0da8c3870ba26f11f7609f0f4bbc50312db565c3a6adc6e8e3155915b328e
SSDEEP 6144:wBlL/ciQDQb+FraDHtBcDelxJu1cjf8Zx/saJJrBORxOZbmkZFPd:CeltxaPR8mL8Zx3JJrhRZb
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
73fe142254abec3aeaef375f0564d40a_JaffaCakes118
unpack001/$PLUGINSDIR/yhjjbtf.dll

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

File Explorer

73fe142254abec3aeaef375f0564d40a_JaffaCakes118

.exe 254KB
$PLUGINSDIR/yhjjbtf.dll

.dll 33KB
uvzn4uk7gh5b0

214KB

73fe142254abec3aeaef375f0564d40a_JaffaCakes118

IMPHASH b76363e9cb88bf9390860da8e50999d2
SHA256 19428f9c431fb0f8d6fbd9ca194589bacf9d9d3e475717031373b71982bea2a5
MD5 73fe142254abec3aeaef375f0564d40a
SHA1 8529d972dd89f69eb2dc2a3ba9207e67626de9b9
SHA512 848d4bc144f1f861823f08ab355184786f3832555236dffa2b5639e3ceb6c2578ff0da8c3870ba26f11f7609f0f4bbc50312db565c3a6adc6e8e3155915b328e
SSDEEP 6144:wBlL/ciQDQb+FraDHtBcDelxJu1cjf8Zx/saJJrBORxOZbmkZFPd:CeltxaPR8mL8Zx3JJrhRZb
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/yhjjbtf.dll

IMPHASH 1726e32fa563aef29e553b50296ea702
SHA256 520857c7a5bfaeebf0f39504ae85d32b7e153774e93cb2be486f9a5d35b76d05
MD5 2109a0431e1e8fbce8007bc6dbdc8d2d
SHA1 f85d1cfa01ca893063af01510115bc279da84c2a
SHA512 a190901c467b65b18370aa3dbec9bb994294042fb78965b6baaf92a31fdc316912679a23f81f76a0d30f51c9c9ccbabcd58b0d420a1c6060508de1f0c0d320fb
SSDEEP 384:173rOmBpuRkCafMEILJBJn0GMZEhE7flHeKCB5qktAX6KiAEHpMUK6rbT7:171YiCeIdBMZT7f5eL5XfLzMUKcbX
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

4267

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

kernel32

GetLastError SetLastError HeapAlloc HeapFree GetProcessHeap VirtualProtect FreeLibrary GetDriveTypeW LoadLibraryW lstrcmpW lstrcpyA lstrcpyW lstrlenA lstrlenW MultiByteToWideChar WideCharToMultiByte GetDriveTypeA CloseHandle CreateFileW ExpandEnvironmentStringsW CreateRemoteThread SignalObjectAndWait CreateProcessA TerminateThread DeleteAtom GetProcAddress SetProcessShutdownParameters

wsock32

getservbyname gethostname getsockname ord1140 socket gethostbyaddr ord1142 WEP

resutils

ResUtilPropertyListFromParameterBlock ResUtilGetPropertiesToParameterBlock ResUtilVerifyService ResUtilGetMultiSzProperty ResUtilDupParameterBlock ResUtilGetProperty ResUtilGetEnvironmentWithNetName

msacm32

acmFilterTagEnumA acmFilterDetailsW acmFormatChooseA acmGetVersion acmStreamPrepareHeader acmMetrics acmFormatTagEnumA acmDriverEnum

rpcrt4

NdrMesSimpleTypeEncode NDRSContextUnmarshall2 I_RpcReceive NdrConformantVaryingStructFree NdrComplexStructMarshall NdrMapCommAndFaultStatus NdrNonEncapsulatedUnionUnmarshall

wsnmp32

ord999 ord402 ord602 ord502 ord604

mapi32

ord50 ord178 ord53 ord34 ord125 ord206

mscms

TranslateBitmapBits UninstallColorProfileA UnregisterCMMA UnregisterCMMW UninstallColorProfileW SetColorProfileElementReference

user32

LoadStringW

advapi32

GetUserNameA RegOpenCurrentUser RegCreateKeyExW RegDeleteKeyW RegEnumKeyExW RegOpenKeyExW RegQueryValueExW RegSetValueExW GetUserNameW RegCloseKey

msvcrt

free iswctype wcschr swprintf memcpy _initterm _adjust_fdiv malloc memset

73fe142254abec3aeaef375f0564d40a_JaffaCakes118

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

generic

$PLUGINSDIR/yhjjbtf.dll

kernel32

wsock32

resutils

msacm32

rpcrt4

wsnmp32

mapi32

mscms

user32

advapi32

msvcrt

generic

uvzn4uk7gh5b0