medusalocker | 64ME_bul9[.]exe

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General

Target
64ME_bul9.exe
Size 666KB
Sample221201-v7prfscc93
SHA256 aa4cd5e9ff8ef8e4a72601c03154231631a5179167400a5478ca4282188b1163
MD5 5b780f32105ff92593db7b30ea2ac9ed
SHA1 6054922a051ce8d25d5d39565a9ad23575b7fe7f
SHA512 c93d9eee0cd547d513d3920f6fa5d3e22adaf6e4e7285f196ba4001d512f9ac05452e0243c526c713a880981249dbbad31947b08edf22f5eb53c6c77fb69d13d
SSDEEP 12288:ZYW1LNT35lDbK/LIVaN8+T7vwqyqhYMhWt918vulAWC9+m:dd35lDbKDIwWUDyqS5omDC9+
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

64ME_bul9.exe

.exe 666KB

64ME_bul9.exe

IMPHASH 1a395bd10b20c116b11c2db5ee44c225
SHA256 aa4cd5e9ff8ef8e4a72601c03154231631a5179167400a5478ca4282188b1163
MD5 5b780f32105ff92593db7b30ea2ac9ed
SHA1 6054922a051ce8d25d5d39565a9ad23575b7fe7f
SHA512 c93d9eee0cd547d513d3920f6fa5d3e22adaf6e4e7285f196ba4001d512f9ac05452e0243c526c713a880981249dbbad31947b08edf22f5eb53c6c77fb69d13d
SSDEEP 12288:ZYW1LNT35lDbK/LIVaN8+T7vwqyqhYMhWt918vulAWC9+m:dd35lDbKDIwWUDyqS5omDC9+
MD5 SHA1 SHA512 SSDEEP

windows x86

MedusaLocker payload

Minor OS version

Major OS version

Entry point

235613

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