pykspa | tmp2apx1wrd

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General

Target
tmp2apx1wrd
Size 708KB
Sample260602-eld5tsdv7t
SHA256 9d869ef931d27ef1137692fce35bea54fa53df4969cd1d9929cb94d7ab2a7181
MD5 94a206bd77ec9527c2396157182b6206
SHA1 4a6b98324b85419d34a01ba15832e9c2f0711727
SHA512 fbfa932f9b3f328f319805493bd3726947f849b8dfdaf7f36e4bff9b238e0a5bc4a6a310cad7eb42f5130debad5835da64cdf17ab9119a01be74db109e18f259
SSDEEP 6144:B3Be8ySm8hQAAIfFrRXuEE+0l97mKwKRwHVM86JQPDHDdx/Qtqa:u/zkFF+EExZmKbRQVMPJQPDHvd
TLSH
T1BEF4C03AB7C0C8B2C495803136959F13AEF5AC300661EA5BDB60DE492EF51E4D72A74F
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
tmp2apx1wrd

File Explorer

tmp2apx1wrd

.exe 708KB

tmp2apx1wrd

IMPHASH d67c205451cfa889d29c6c8718886c08
SHA256 9d869ef931d27ef1137692fce35bea54fa53df4969cd1d9929cb94d7ab2a7181
MD5 94a206bd77ec9527c2396157182b6206
SHA1 4a6b98324b85419d34a01ba15832e9c2f0711727
SHA512 fbfa932f9b3f328f319805493bd3726947f849b8dfdaf7f36e4bff9b238e0a5bc4a6a310cad7eb42f5130debad5835da64cdf17ab9119a01be74db109e18f259
SSDEEP 6144:B3Be8ySm8hQAAIfFrRXuEE+0l97mKwKRwHVM86JQPDHDdx/Qtqa:u/zkFF+EExZmKbRQVMPJQPDHvd
TLSH
T1BEF4C03AB7C0C8B2C495803136959F13AEF5AC300661EA5BDB60DE492EF51E4D72A74F
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

141635

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

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 lstrcmpiA 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 ExitProcess lstrcmpA 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