medusalocker | b896605b97ae9e2781b21dc5cfb64eec0fc4effa76a7ef33e9cef0b258dff35f[.]sample

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General

Target

b896605b97ae9e2781b21dc5cfb64eec0fc4effa76a7ef33e9cef0b258dff35f.sample
Size

335KB
MD5

a286b1e0dc7e26204e9751423ff1e842
SHA1

394e03d3010222b571d1a70bde0233407435bcf1
SHA256

b896605b97ae9e2781b21dc5cfb64eec0fc4effa76a7ef33e9cef0b258dff35f
SHA512

7d6c8f8f829f72b89783598e01baf7b597e459a9c210b6dbd3d8aaaeb3aa93e99e309c9155ef7832bd1ff88d4806448b73744136dc59022fe3ddfaf1d1faa23f
SSDEEP

6144:5Y9zfajnC6iGm15k66Clhdq8yZXlkV68pr2g1PJbmV6Mqu:m9WHm15k66ClHq8yZVypHMqu

Score

10^/10

medusalocker

Malware Config

Signatures

MedusaLocker payload 1 IoCs

Processes:

resource yara_rule

sample family_medusalocker
Medusalocker family
medusalocker

resource	yara_rule
sample	family_medusalocker

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

Processes:

resource
b896605b97ae9e2781b21dc5cfb64eec0fc4effa76a7ef33e9cef0b258dff35f.sample

Files

b896605b97ae9e2781b21dc5cfb64eec0fc4effa76a7ef33e9cef0b258dff35f.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

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

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

Sharing

General

Malware Config

Signatures

Files

e9333030d13d212366770942e0dbc7be

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

crypt32

shlwapi

rstrtmgr

mpr

kernel32

user32

advapi32

shell32

Sections

.text Size: 245KB - Virtual size: 245KB

.rdata Size: 61KB - Virtual size: 61KB

.data Size: 9KB - Virtual size: 29KB

.rsrc Size: 6KB - Virtual size: 5KB

.reloc Size: 12KB - Virtual size: 11KB

.text
Size: 245KB - Virtual size: 245KB

.rdata
Size: 61KB - Virtual size: 61KB

.data
Size: 9KB - Virtual size: 29KB

.rsrc
Size: 6KB - Virtual size: 5KB

.reloc
Size: 12KB - Virtual size: 11KB