D:\Education\locker\bin\stub_win_x86_encrypter.pdb
Behavioral task
behavioral1
Sample
cbb697f31d96253054120b5dfa8af4460f2f2a474a94f54835d2b3a39ea69f30.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
cbb697f31d96253054120b5dfa8af4460f2f2a474a94f54835d2b3a39ea69f30.exe
Resource
win10v2004-20240226-en
General
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Target
cbb697f31d96253054120b5dfa8af4460f2f2a474a94f54835d2b3a39ea69f30.sample
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Size
335KB
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MD5
794f3eb31688ca56a4f7ca6f4691d3e3
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SHA1
6f6e458805f8da94f820f2aff6a201b70482273d
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SHA256
cbb697f31d96253054120b5dfa8af4460f2f2a474a94f54835d2b3a39ea69f30
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SHA512
cd7e6feda73af8d569466b9ea5ed46c4784c404afcaec6b1582d1fa8a1c00b18aea8b7851f298e1eb740e328dbd5d5ad932c13036699b05e5807ad85641e0dff
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SSDEEP
6144:5Y9zfajnC6iGm15k66Clhdq8yZXlkV68pr2g1PJbmVhMqu:m9WHm15k66ClHq8yZVypIMqu
Malware Config
Signatures
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MedusaLocker payload 1 IoCs
resource yara_rule sample family_medusalocker -
Medusalocker family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource cbb697f31d96253054120b5dfa8af4460f2f2a474a94f54835d2b3a39ea69f30.sample
Files
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cbb697f31d96253054120b5dfa8af4460f2f2a474a94f54835d2b3a39ea69f30.sample.exe windows:6 windows x86 arch:x86
e9333030d13d212366770942e0dbc7be
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
RmRegisterResources
RmGetList
RmStartSession
RmShutdown
RmEndSession
mpr
WNetGetConnectionW
WNetAddConnection2W
kernel32
GetLogicalDrives
FindFirstVolumeW
SetVolumeMountPointW
FindVolumeClose
GetVolumePathNamesForVolumeNameW
DeleteVolumeMountPointW
FindNextVolumeW
GetDriveTypeW
ReadFile
CloseThreadpool
CreateThreadpool
FindFirstFileExW
FindNextFileW
WriteFile
GetSystemTimes
FindClose
CreateFileW
SetThreadpoolThreadMinimum
SetFileAttributesW
CloseThreadpoolCleanupGroup
CloseThreadpoolCleanupGroupMembers
Sleep
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
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
GetForegroundWindow
RegisterWindowMessageW
GetWindowThreadProcessId
ShowWindow
IsWindowVisible
GetAsyncKeyState
GetShellWindow
advapi32
CryptGenRandom
RegSetValueExW
OpenProcessToken
GetTokenInformation
CryptDestroyKey
CryptGetKeyParam
CryptAcquireContextW
CryptEncrypt
RegGetValueW
CryptExportKey
CryptImportKey
CryptGenKey
CryptReleaseContext
RegCloseKey
RegCreateKeyExW
shell32
SHEmptyRecycleBinW
Sections
.text Size: 245KB - Virtual size: 245KB
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: 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