medusalocker | 8939141fb565c044895627bbeb522d840d24899dec53545e4a925012dbf83230

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General

Target
8939141fb565c044895627bbeb522d840d24899dec53545e4a925012dbf83230
Size 669KB
Sample220408-mv4e3scde5
SHA256 8939141fb565c044895627bbeb522d840d24899dec53545e4a925012dbf83230
MD5 61b0906f31ce772130b0ee9c4b86dc92
SHA1 dd19f66b3ea50e325ee07af5b1e348ed0721a86a
SHA512 df84cbc4d3f93e722091fef0209f6a67bd0a788b358fbd36266a2daf1b9c5ceb491fb2417bce04ba0e88ba19e3920407ba354d728881b682761dadd03047f2c0
SSDEEP 12288:dQA0FfTcwpBuV2UxqDmuiLZeUaoFi2XZWfGe615HhAZV8DCKD/KeX:Tuf4wTuV2Ux3uIZeUBi2Te6HWLKrKe
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

medusalocker

Malware Config

Signatures

MedusaLocker Payload 1 IoCs

resource	yara_rule
sample	family_medusalocker

Medusalocker family
medusalocker

File Explorer

8939141fb565c044895627bbeb522d840d24899dec53545e4a925012dbf83230

.exe 669KB

8939141fb565c044895627bbeb522d840d24899dec53545e4a925012dbf83230

IMPHASH 1a395bd10b20c116b11c2db5ee44c225
SHA256 8939141fb565c044895627bbeb522d840d24899dec53545e4a925012dbf83230
MD5 61b0906f31ce772130b0ee9c4b86dc92
SHA1 dd19f66b3ea50e325ee07af5b1e348ed0721a86a
SHA512 df84cbc4d3f93e722091fef0209f6a67bd0a788b358fbd36266a2daf1b9c5ceb491fb2417bce04ba0e88ba19e3920407ba354d728881b682761dadd03047f2c0
SSDEEP 12288:dQA0FfTcwpBuV2UxqDmuiLZeUaoFi2XZWfGe615HhAZV8DCKD/KeX:Tuf4wTuV2Ux3uIZeUBi2Te6HWLKrKe
MD5 SHA1 SHA512 SSDEEP

windows x86

MedusaLocker Payload

Minor OS version

Major OS version

Entry point

238375

Magic Number

267

Subsystem

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE

PDB paths

kernel32

Process32NextW Process32FirstW CreateProcessW GetTickCount CopyFileW GetCurrentProcess WriteConsoleW CreateToolhelp32Snapshot OpenProcess WaitForSingleObject TerminateProcess FindClose FindNextVolumeW GetVolumePathNamesForVolumeNameW FindVolumeClose SetVolumeMountPointW FindFirstVolumeW QueryDosDeviceW GetEnvironmentVariableW GetLogicalDrives GetProcessHeap MoveFileExW SetFilePointerEx HeapAlloc CloseHandle GetLastError SetFileAttributesW GetFileAttributesW CreateFileW WriteFile HeapSize GetConsoleMode GetConsoleCP FlushFileBuffers SetStdHandle FreeEnvironmentStringsW GetEnvironmentStringsW GetCommandLineW GetCommandLineA GetOEMCP GetACP IsValidCodePage HeapReAlloc GetFileType GetTimeZoneInformation EnumSystemLocalesW HeapFree GetFileSizeEx GetUserDefaultLCID IsValidLocale GetTimeFormatW GetDateFormatW GetStdHandle ReadFile OpenMutexW Sleep CreateMutexW GetModuleFileNameW SetEnvironmentVariableW EncodePointer DecodePointer RaiseException GetCurrentThreadId IsProcessorFeaturePresent QueueUserWorkItem GetModuleHandleExW EnterCriticalSection LeaveCriticalSection TryEnterCriticalSection DeleteCriticalSection QueryPerformanceCounter QueryPerformanceFrequency FormatMessageW WideCharToMultiByte MultiByteToWideChar FindFirstFileExW FindNextFileW GetFileAttributesExW SetLastError InitializeCriticalSectionAndSpinCount CreateEventW SwitchToThread TlsAlloc TlsGetValue TlsSetValue TlsFree GetSystemTimeAsFileTime GetModuleHandleW GetProcAddress WaitForSingleObjectEx GetStringTypeW CompareStringW LCMapStringW GetLocaleInfoW GetCPInfo SetEvent ResetEvent UnhandledExceptionFilter SetUnhandledExceptionFilter IsDebuggerPresent GetStartupInfoW GetCurrentProcessId InitializeSListHead LocalFree CreateTimerQueue SignalObjectAndWait CreateThread SetThreadPriority GetThreadPriority GetLogicalProcessorInformation CreateTimerQueueTimer ChangeTimerQueueTimer DeleteTimerQueueTimer GetNumaHighestNodeNumber GetProcessAffinityMask SetThreadAffinityMask RegisterWaitForSingleObject UnregisterWait GetCurrentThread GetThreadTimes FreeLibrary FreeLibraryAndExitThread GetModuleHandleA LoadLibraryExW GetVersionExW VirtualAlloc VirtualProtect VirtualFree DuplicateHandle ReleaseSemaphore InterlockedPopEntrySList InterlockedPushEntrySList InterlockedFlushSList QueryDepthSList UnregisterWaitEx LoadLibraryW RtlUnwind ExitProcess

advapi32

CryptExportKey RegCreateKeyW RegOpenKeyExW RegSetValueExW RegCloseKey CryptReleaseContext CryptGenKey CryptImportKey OpenProcessToken GetTokenInformation CloseServiceHandle OpenSCManagerW DeleteService ControlService EnumDependentServicesW OpenServiceW QueryServiceStatusEx CryptDestroyKey CryptAcquireContextW CryptEncrypt CryptDuplicateKey RegDeleteValueW

shell32

SHEmptyRecycleBinW

ole32

CLSIDFromString IIDFromString CoInitializeEx CoGetObject CoInitialize CoUninitialize CoCreateInstance CoInitializeSecurity

oleaut32

SysAllocStringByteLen VariantClear SysAllocString SysStringByteLen VariantInit SysFreeString

crypt32

CryptStringToBinaryA

mpr

WNetGetConnectionW

netapi32

NetApiBufferFree NetShareEnum

iphlpapi

IcmpSendEcho IcmpCloseHandle GetAdaptersInfo IcmpCreateFile

ws2_32

inet_addr

rstrtmgr

RmShutdown RmRegisterResources RmStartSession RmGetList RmEndSession