medusalocker | f584c124d92b09ba12d2538d52300dc38ef255c6ad23c30e7569ff1920388c50[.]sample

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General

Target
f584c124d92b09ba12d2538d52300dc38ef255c6ad23c30e7569ff1920388c50.sample
Size 333KB
Sample240227-wnd2aafg24
SHA256 f584c124d92b09ba12d2538d52300dc38ef255c6ad23c30e7569ff1920388c50
MD5 169d9a666d9d56e1c7396cac6591af49
SHA1 cb61440e03d74116ce70a23307a600f04bb58eed
SHA512 619ec05142929ecc1349a5a68a24953a1877308bedc6c52e698fc379d34b7e4dfb7e07cf5da63547cf26ee4c87fdbac8c75fe325a3c277e0d48dddc8b927013e
SSDEEP 6144:Bkv89W2QcboLPlZbqEKvSlvgXCBVnTDg3GV06rPnej63AbyEXq:Bk09XelZbqEKv8gXCBlPHe1yEXq
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

medusalocker

Malware Config

Signatures

MedusaLocker payload 1 IoCs

resource	yara_rule
sample	family_medusalocker

Medusalocker family
medusalocker

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
f584c124d92b09ba12d2538d52300dc38ef255c6ad23c30e7569ff1920388c50.sample

File Explorer

f584c124d92b09ba12d2538d52300dc38ef255c6ad23c30e7569ff1920388c50.sample

.exe 333KB

f584c124d92b09ba12d2538d52300dc38ef255c6ad23c30e7569ff1920388c50.sample

IMPHASH d2075085e01f67e8fee40d30b544c390
SHA256 f584c124d92b09ba12d2538d52300dc38ef255c6ad23c30e7569ff1920388c50
MD5 169d9a666d9d56e1c7396cac6591af49
SHA1 cb61440e03d74116ce70a23307a600f04bb58eed
SHA512 619ec05142929ecc1349a5a68a24953a1877308bedc6c52e698fc379d34b7e4dfb7e07cf5da63547cf26ee4c87fdbac8c75fe325a3c277e0d48dddc8b927013e
SSDEEP 6144:Bkv89W2QcboLPlZbqEKvSlvgXCBVnTDg3GV06rPnej63AbyEXq:Bk09XelZbqEKv8gXCBlPHe1yEXq
MD5 SHA1 SHA512 SSDEEP

windows:6 windows x86 arch:x86

MedusaLocker payload
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

131096

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

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

D:\Education\locker\bin\stub_win_x86_encrypter.pdb

crypt32

CryptStringToBinaryW CryptBinaryToStringW

shlwapi

StrStrIW PathFindExtensionW PathIsUNCW

rstrtmgr

RmGetList RmStartSession RmRegisterResources RmEndSession RmShutdown

mpr

WNetGetConnectionW WNetAddConnection2W

kernel32

GetLogicalDrives FindFirstVolumeW SetVolumeMountPointW FindVolumeClose GetVolumePathNamesForVolumeNameW DeleteVolumeMountPointW FindNextVolumeW GetDriveTypeW ReadFile CloseThreadpool CreateThreadpool FindFirstFileExW FindNextFileW WriteFile FindClose CreateFileW SetThreadpoolThreadMinimum SetFileAttributesW CloseThreadpoolCleanupGroup CloseThreadpoolCleanupGroupMembers SetThreadpoolThreadMaximum CreateThreadpoolCleanupGroup SubmitThreadpoolWork GetConsoleWindow lstrcmpiW SetConsoleTitleW MoveFileW GetWindowsDirectoryW SizeofResource GetCurrentProcess AssignProcessToJobObject InitializeProcThreadAttributeList CreatePipe PeekNamedPipe WaitForSingleObject OpenProcess MultiByteToWideChar UpdateProcThreadAttribute LockResource LoadResource FindResourceW CreateProcessW GetModuleHandleW WideCharToMultiByte GetEnvironmentStringsW GetCPInfo GetOEMCP GetACP IsValidCodePage SetFilePointerEx GetFileSizeEx GetFileAttributesExW GetExitCodeProcess CloseHandle GetLastError CreateJobObjectW SetInformationJobObject FreeEnvironmentStringsW SetEnvironmentVariableW GetProcessHeap SetStdHandle GetStringTypeW FlushFileBuffers GetConsoleOutputCP GetConsoleMode HeapSize HeapReAlloc DecodePointer QueryDosDeviceW CreateThreadpoolWork LocalFree FormatMessageA GetLocaleInfoEx RaiseException WaitForSingleObjectEx Sleep GetCurrentThreadId GetExitCodeThread GetNativeSystemInfo IsProcessorFeaturePresent FreeLibraryWhenCallbackReturns CloseThreadpoolWork GetModuleHandleExW ReleaseSRWLockExclusive AcquireSRWLockExclusive WakeAllConditionVariable SleepConditionVariableSRW GetProcAddress InitializeConditionVariable WakeConditionVariable QueryPerformanceCounter QueryPerformanceFrequency InitOnceComplete InitOnceBeginInitialize ReleaseSRWLockShared AcquireSRWLockShared TryAcquireSRWLockExclusive InitializeSRWLock InitializeCriticalSectionEx GetSystemTimeAsFileTime EnterCriticalSection LeaveCriticalSection DeleteCriticalSection InitializeCriticalSectionAndSpinCount SetEvent ResetEvent CreateEventW IsDebuggerPresent UnhandledExceptionFilter SetUnhandledExceptionFilter GetStartupInfoW GetCurrentProcessId InitializeSListHead TerminateProcess RtlUnwind SetLastError EncodePointer TlsAlloc TlsGetValue TlsSetValue TlsFree FreeLibrary LoadLibraryExW CreateThread ExitThread FreeLibraryAndExitThread ExitProcess GetModuleFileNameW GetStdHandle GetCommandLineA GetCommandLineW HeapFree HeapAlloc GetFileType CompareStringW LCMapStringW WriteConsoleW

user32

GetAsyncKeyState RegisterWindowMessageW IsWindowVisible GetShellWindow ShowWindow GetWindowThreadProcessId

advapi32

CryptGenRandom RegSetValueExW OpenProcessToken GetTokenInformation CryptDestroyKey CryptGetKeyParam CryptAcquireContextW CryptEncrypt RegGetValueW CryptExportKey CryptImportKey CryptGenKey CryptReleaseContext RegCloseKey RegCreateKeyExW

shell32

SHEmptyRecycleBinW