pykspa | JaffaCakes118_dbfebfcccbacf0bab0c6674b3ba8ea91

Sharing

Copy URL Twitter E-mail

General

Target
JaffaCakes118_dbfebfcccbacf0bab0c6674b3ba8ea91
Size 320KB
Sample250428-eellbs1tcx
SHA256 296968043dbf6bcf99749b25fbddca245ca799d7d7f74430f0ab76097cd5b42d
MD5 dbfebfcccbacf0bab0c6674b3ba8ea91
SHA1 0265115662ff1c6cecd153525c3e88d8439708a8
SHA512 a36c181b448ce5cc71fb8061e77bb6306a9de522814763197349527dde889c28fc4f0ad60f3aef6a8a01ab86fa0c27e90a4e50475ec015c9c40c328698feabe7
SSDEEP 6144:hTwEo1IV3puaibGKFHi0mofhaH05kipz016580bHFMdkhq86JQPDHDdx/QtqR:5CgvmzFHi0mo5aH0qMzd5807F7qPJQPx
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

worm pykspa

Malware Config

Signatures

Detect Pykspa worm 1 IoCs

worm

resource	yara_rule
sample	family_pykspa

Pykspa family
pykspa

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
JaffaCakes118_dbfebfcccbacf0bab0c6674b3ba8ea91

File Explorer

JaffaCakes118_dbfebfcccbacf0bab0c6674b3ba8ea91

.exe 320KB

JaffaCakes118_dbfebfcccbacf0bab0c6674b3ba8ea91

IMPHASH a1161b9f4081312e64af594f73664c29
SHA256 296968043dbf6bcf99749b25fbddca245ca799d7d7f74430f0ab76097cd5b42d
MD5 dbfebfcccbacf0bab0c6674b3ba8ea91
SHA1 0265115662ff1c6cecd153525c3e88d8439708a8
SHA512 a36c181b448ce5cc71fb8061e77bb6306a9de522814763197349527dde889c28fc4f0ad60f3aef6a8a01ab86fa0c27e90a4e50475ec015c9c40c328698feabe7
SSDEEP 6144:hTwEo1IV3puaibGKFHi0mofhaH05kipz016580bHFMdkhq86JQPDHDdx/QtqR:5CgvmzFHi0mo5aH0qMzd5807F7qPJQPx
MD5 SHA1 SHA512 SSDEEP

windows:4 windows x86 arch:x86

Detect Pykspa worm

worm
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

142227

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

lstrcmpiA CreateThread GetLogicalDriveStringsA GetDriveTypeA GetWindowsDirectoryA MoveFileA FreeLibrary EnumResourceNamesA LoadLibraryA GetProcAddress GetModuleHandleA GetSystemInfo GetVersionExA SetThreadPriority GetCurrentThread FreeResource UpdateResourceA SizeofResource LockResource LoadResource FindResourceA EnumResourceLanguagesA EndUpdateResourceA BeginUpdateResourceA CreateMutexA GetLastError WaitForSingleObject GetVolumeInformationA GetComputerNameA GetCurrentProcess OpenMutexA SetPriorityClass GetTempPathA GetModuleFileNameA GetSystemDirectoryA SetErrorMode InitializeCriticalSection HeapAlloc GetProcessHeap HeapFree WideCharToMultiByte MultiByteToWideChar ExitThread GetTimeFormatA GetDateFormatA GetFileSize SetFileAttributesA GlobalUnlock GlobalLock GlobalAlloc ExitProcess SetFileTime SystemTimeToFileTime GetSystemTime CreateDirectoryA CreateProcessA GetCurrentProcessId SetEnvironmentVariableA CompareStringW CompareStringA HeapSize GetSystemTimeAsFileTime GetCurrentThreadId QueryPerformanceCounter SetStdHandle HeapReAlloc GetLocaleInfoA GetExitCodeProcess GetStringTypeW GetStringTypeA VirtualFree HeapCreate HeapDestroy GetFileType SetHandleCount GetEnvironmentStringsW FreeEnvironmentStringsW GetEnvironmentStrings FreeEnvironmentStringsA UnhandledExceptionFilter GetStdHandle VirtualAlloc VirtualProtect GetCPInfo FlushFileBuffers GetOEMCP GetACP LCMapStringW LCMapStringA VirtualQuery InterlockedExchange RtlUnwind TerminateProcess GetCommandLineA GetStartupInfoA SetFilePointer WriteFile CreateFileA ReadFile CloseHandle Sleep FindFirstFileA lstrcpyA lstrcatA lstrcmpA GetTimeZoneInformation EnterCriticalSection LeaveCriticalSection DeleteFileA lstrcpynA GetTickCount GetFileAttributesA lstrlenA CopyFileA FindNextFileA FindClose

user32

TranslateMessage GetMessageA UpdateWindow RegisterClassA DispatchMessageA wsprintfA GetWindowRect GetDesktopWindow ShowWindow EnableWindow GetClassNameA DestroyWindow UnregisterClassA PostMessageA GetWindowThreadProcessId GetWindowTextA IsWindowVisible EnumWindows IsWindowEnabled LookupIconIdFromDirectoryEx GetCursorPos SetCursorPos GetSystemMetrics ReleaseDC GetWindowDC SetClipboardData EmptyClipboard SendInput SendMessageTimeoutA RegisterWindowMessageA SetWindowPos PostQuitMessage GetClientRect GetWindowInfo GetWindow GetWindowPlacement MessageBoxA EnumChildWindows SetWindowTextA SetForegroundWindow SetFocus

gdi32

CreateCompatibleDC CreateCompatibleBitmap SelectObject BitBlt DeleteDC GetDIBits DeleteObject

advapi32

SetSecurityDescriptorGroup ChangeServiceConfigA GetUserNameA SetSecurityDescriptorOwner SetSecurityDescriptorDacl InitializeSecurityDescriptor AddAccessAllowedAce InitializeAcl GetLengthSid GetTokenInformation SetFileSecurityA SetSecurityDescriptorSacl

shell32

ShellExecuteA SHGetSpecialFolderLocation SHGetPathFromIDListA SHGetMalloc

ws2_32

inet_addr WSACreateEvent WSAEventSelect WSAWaitForMultipleEvents WSAEnumNetworkEvents WSACloseEvent sendto WSAGetLastError gethostbyaddr accept getpeername shutdown inet_ntoa select __WSAFDIsSet recv send closesocket htons

version

GetFileVersionInfoSizeA GetFileVersionInfoA VerQueryValueA

rpcrt4

UuidCreate UuidToStringA RpcStringFreeA