D:\Education\locker\bin\stub_win_x86_encrypter.pdb
Behavioral task
behavioral1
Sample
5df80f40ad8f77e7574e4dda1629ed60N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
5df80f40ad8f77e7574e4dda1629ed60N.exe
Resource
win10v2004-20240802-en
General
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Target
5df80f40ad8f77e7574e4dda1629ed60N.exe
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Size
333KB
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MD5
5df80f40ad8f77e7574e4dda1629ed60
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SHA1
4c8b592fc446d284d8eb764d22bbdd16bf32e126
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SHA256
b0c29ba285c7b4c5ff41831278822437bcb05dee70d4cac7f0d1965eddd4fa79
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SHA512
c12589221a91b8f7172b0356b7217afff1c20a50c381df02beb631cb06daef87090e1d971c8e2324d3ed45aaa2fd1beb4599f232389c1a088e146ad8e0176401
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SSDEEP
6144:YemY9cZrt2pF+M9htFl/1M0lpj9G/OaZE8AvInatk1:/9cm+M9vFl/1HrN2natk1
Malware Config
Signatures
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MedusaLocker payload 1 IoCs
Processes:
resource yara_rule sample family_medusalocker -
Medusalocker family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource 5df80f40ad8f77e7574e4dda1629ed60N.exe
Files
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5df80f40ad8f77e7574e4dda1629ed60N.exe.exe windows:6 windows x86 arch:x86
f22bc6a616927c119c37738048bc1cc5
Headers
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
Imports
crypt32
CryptStringToBinaryW
CryptBinaryToStringW
shlwapi
StrStrIW
PathIsUNCW
PathFindExtensionW
rstrtmgr
RmShutdown
RmGetList
RmRegisterResources
RmEndSession
RmStartSession
mpr
WNetGetConnectionW
WNetAddConnection2W
kernel32
GetLogicalDrives
FindFirstVolumeW
SetVolumeMountPointW
FindVolumeClose
GetVolumePathNamesForVolumeNameW
DeleteVolumeMountPointW
FindNextVolumeW
GetDriveTypeW
ReadFile
FindFirstFileExW
FindNextFileW
WriteFile
FindClose
CreateFileW
SetFileAttributesW
SubmitThreadpoolWork
SetFilePointerEx
GetConsoleWindow
lstrcmpiW
GetWindowsDirectoryW
SetConsoleTitleW
MoveFileW
CreateThreadpoolWork
SizeofResource
GetCurrentProcess
AssignProcessToJobObject
InitializeProcThreadAttributeList
CreatePipe
PeekNamedPipe
WaitForSingleObject
OpenProcess
MultiByteToWideChar
UpdateProcThreadAttribute
LockResource
LoadResource
FindResourceW
CreateProcessW
GetModuleHandleW
WideCharToMultiByte
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
GetFileSizeEx
GetFileAttributesExW
GetExitCodeProcess
CloseHandle
GetLastError
CreateJobObjectW
SetInformationJobObject
SetEnvironmentVariableW
GetProcessHeap
SetStdHandle
GetStringTypeW
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
HeapSize
HeapReAlloc
DecodePointer
WriteConsoleW
QueryDosDeviceW
LocalFree
FormatMessageA
GetLocaleInfoEx
RaiseException
WaitForSingleObjectEx
Sleep
GetCurrentThreadId
GetExitCodeThread
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
user32
IsWindowVisible
ShowWindow
GetWindowThreadProcessId
RegisterWindowMessageW
GetShellWindow
GetAsyncKeyState
advapi32
CryptGenRandom
RegSetValueExW
OpenProcessToken
GetTokenInformation
CryptDestroyKey
CryptGetKeyParam
CryptAcquireContextW
CryptEncrypt
RegGetValueW
CryptExportKey
CryptImportKey
CryptGenKey
CryptReleaseContext
RegCloseKey
RegCreateKeyExW
shell32
SHEmptyRecycleBinW
ole32
CoGetObjectContext
CoGetApartmentType
Sections
.text Size: 242KB - Virtual size: 242KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 61KB - Virtual size: 61KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 10KB - Virtual size: 29KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 12KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ