D:\Education\locker\bin\stub_win_x86_encrypter.pdb
Behavioral task
behavioral1
Sample
cf3b068448640298738c2a407427335a289832d0c0013fda10e0fceceb208cd9.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
cf3b068448640298738c2a407427335a289832d0c0013fda10e0fceceb208cd9.exe
Resource
win10v2004-20240226-en
General
-
Target
cf3b068448640298738c2a407427335a289832d0c0013fda10e0fceceb208cd9.sample
-
Size
332KB
-
MD5
10c5fde0d48f9058490705ce7646d73b
-
SHA1
204eaa05dd25c6d71cef19b16c0cd232b05e1ae8
-
SHA256
cf3b068448640298738c2a407427335a289832d0c0013fda10e0fceceb208cd9
-
SHA512
7d37506597ca2e8bf624d0c6fca592e72e436fe4b906ac6334a4ff6b57f363834bf35f1038209e6bf67d43b39f538b7ebdd72a2b268dd1297bf6c99728e48854
-
SSDEEP
6144:Sq9ezqsEC8dS7CCKUf+9xwL1ZTcDCzyrxQX3hVds+tfCOu3miq/RiXq:S4JsE3CKUf+9xwL15cDCzie1ChhXq
Malware Config
Signatures
-
MedusaLocker payload 1 IoCs
Processes:
resource yara_rule sample family_medusalocker -
Medusalocker family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource cf3b068448640298738c2a407427335a289832d0c0013fda10e0fceceb208cd9.sample
Files
-
cf3b068448640298738c2a407427335a289832d0c0013fda10e0fceceb208cd9.sample.exe windows:6 windows x86 arch:x86
5bf936bebe28f8480c668b86291f79fc
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
PathFindExtensionW
PathIsUNCW
rstrtmgr
RmGetList
RmStartSession
RmRegisterResources
RmEndSession
RmShutdown
mpr
WNetGetConnectionW
WNetAddConnection2W
kernel32
GetLogicalDrives
FindFirstVolumeW
SetVolumeMountPointW
FindVolumeClose
GetVolumePathNamesForVolumeNameW
DeleteVolumeMountPointW
FindNextVolumeW
GetDriveTypeW
ReadFile
QueryThreadpoolStackInformation
CloseThreadpool
CreateThreadpool
FindFirstFileExW
FindNextFileW
WriteFile
FindClose
CreateFileW
SetThreadpoolThreadMinimum
SetFileAttributesW
CloseThreadpoolCleanupGroup
CloseThreadpoolCleanupGroupMembers
SetThreadpoolThreadMaximum
CreateThreadpoolCleanupGroup
SubmitThreadpoolWork
GetConsoleWindow
lstrcmpiW
SetConsoleTitleW
GetWindowsDirectoryW
CreateThreadpoolWork
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
MoveFileW
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
Sections
.text Size: 243KB - Virtual size: 242KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 61KB - Virtual size: 60KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 9KB - 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