pykspa | tmpjvp22cnx

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General

Target
tmpjvp22cnx
Size 320KB
Sample260602-d93yesev8q
SHA256 2d58d67a6ed8f28a9cd9548f5134dae0f5a18d6faadb520715b624216fa0e404
MD5 a9e8533a1c40de9c36691851bb410b12
SHA1 8fdde9ed2927419667fa94bc3575dbc61207a646
SHA512 f72b1ec86fee1a06597ffc7afe499437fdb3c22484c374ac22f48013455ef7cff9bf90776e394a3c347d02a798fb75bd36d7b069da17ea129230c73b212ff55e
SSDEEP 6144:9TwEo1IV3puaibGKFHi0mofhaH05kipz016580bHFMdkhq86JQPDHDdx/QtqR:NCgvmzFHi0mo5aH0qMzd5807F7qPJQPx
TLSH
T1CD64B036B780C8F2C485803176996E136EF56C301625EA67DB60DE0A3EF95E4D72A34F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

worm pykspa

Malware Config

Signatures

Family: Pykspa
Pykspa is a worm spreads via Skype uses DGA and it's written in C++.
worm pykspa

Detect Pykspa worm 1 IoCs

worm

resource	yara_rule
sample	family_pykspa

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
tmpjvp22cnx

File Explorer

tmpjvp22cnx

.exe 320KB

tmpjvp22cnx

IMPHASH a1161b9f4081312e64af594f73664c29
SHA256 2d58d67a6ed8f28a9cd9548f5134dae0f5a18d6faadb520715b624216fa0e404
MD5 a9e8533a1c40de9c36691851bb410b12
SHA1 8fdde9ed2927419667fa94bc3575dbc61207a646
SHA512 f72b1ec86fee1a06597ffc7afe499437fdb3c22484c374ac22f48013455ef7cff9bf90776e394a3c347d02a798fb75bd36d7b069da17ea129230c73b212ff55e
SSDEEP 6144:9TwEo1IV3puaibGKFHi0mofhaH05kipz016580bHFMdkhq86JQPDHDdx/QtqR:NCgvmzFHi0mo5aH0qMzd5807F7qPJQPx
TLSH
T1CD64B036B780C8F2C485803176996E136EF56C301625EA67DB60DE0A3EF95E4D72A34F
MD5 SHA1 SHA512 SSDEEP TLSH

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