Behavioral task
behavioral1
Sample
51b8a283f87a95edb5e98125e5730bcf843fc7ec8fcdc175c8dc0ba3032e8a51.exe
Resource
win10v2004-20231020-en
General
-
Target
51b8a283f87a95edb5e98125e5730bcf843fc7ec8fcdc175c8dc0ba3032e8a51.zip
-
Size
170KB
-
MD5
d6af5a78cd55aca8c2cca1050d7044f9
-
SHA1
83396ea9cf28ae42849dfb5f3c0df312a3b84da7
-
SHA256
2d06acb71440e4c8f46cf347fffd14f5162542edb3fdcc69b089588e3641723b
-
SHA512
61288f41bc5cea56651c6254c3ef65620e3a08fa9ffbef84c3b5b494a7461e68fbe681ca83331f21f7b66ee18a48f9fe400a7dc7198de865947c6bdbff2ed132
-
SSDEEP
3072:hKrwB8OR3UZ+wFLBh6fukYWhWtr0Fy0spPaSSv6xZE1oHFo9OV0Zw+RSw/cciB2W:hKcBHR3VCP6oaYsSD7Fo9zRz/ccU2W
Malware Config
Signatures
-
MedusaLocker payload 1 IoCs
resource yara_rule static1/unpack001/51b8a283f87a95edb5e98125e5730bcf843fc7ec8fcdc175c8dc0ba3032e8a51.exe family_medusalocker -
Medusalocker family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/51b8a283f87a95edb5e98125e5730bcf843fc7ec8fcdc175c8dc0ba3032e8a51.exe
Files
-
51b8a283f87a95edb5e98125e5730bcf843fc7ec8fcdc175c8dc0ba3032e8a51.zip.zip
Password: infected
-
51b8a283f87a95edb5e98125e5730bcf843fc7ec8fcdc175c8dc0ba3032e8a51.exe.exe windows:6 windows x86
98834427a5509afe9feea6f9ad5441d9
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
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
FindFirstFileExW
FindNextFileW
WriteFile
GetSystemTimes
FindClose
CreateFileW
SetFileAttributesW
Sleep
GetConsoleWindow
lstrcmpiW
SetConsoleTitleW
MoveFileW
SizeofResource
GetCurrentProcess
AssignProcessToJobObject
GetWindowsDirectoryW
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
InitializeProcThreadAttributeList
LocalFree
FormatMessageA
GetLocaleInfoEx
InitializeConditionVariable
WakeConditionVariable
WakeAllConditionVariable
SleepConditionVariableSRW
RaiseException
GetCurrentThreadId
IsProcessorFeaturePresent
FreeLibraryWhenCallbackReturns
CreateThreadpoolWork
SubmitThreadpoolWork
CloseThreadpoolWork
GetModuleHandleExW
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
GetProcAddress
QueryPerformanceCounter
QueryPerformanceFrequency
InitOnceComplete
InitOnceBeginInitialize
ReleaseSRWLockShared
AcquireSRWLockShared
TryAcquireSRWLockExclusive
WaitForSingleObjectEx
GetExitCodeThread
InitializeCriticalSectionEx
GetSystemTimeAsFileTime
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
GetCurrentProcessId
InitializeSListHead
TerminateProcess
RtlUnwind
SetLastError
EncodePointer
InitializeCriticalSectionAndSpinCount
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: 249KB - Virtual size: 249KB
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: 10KB - Virtual size: 29KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 6KB - Virtual size: 6KB
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