medusalocker | 96a1e457593890cfc5535daa37eac9aef9f18442608ee7c14fb2f1ba472b626a[.]sample

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General

Target

96a1e457593890cfc5535daa37eac9aef9f18442608ee7c14fb2f1ba472b626a.sample
Size

333KB
MD5

57504bca0f333befa73476e449f6a8a0
SHA1

c207f136cda100bb9b319d3276914f697ccb3499
SHA256

96a1e457593890cfc5535daa37eac9aef9f18442608ee7c14fb2f1ba472b626a
SHA512

cfe9f07fadbf874b9694990c631c8562ad511bbedd7ea91451d80a5c934f4c1036596b0043e441d3078a37cfef6bba818264ef64044606d77657e7a4a0c29bfc
SSDEEP

6144:AemY9cZrt2pF+M9htFl/1M0lpj9G/OaZE8A8otk1:n9cm+M9vFl/1HrN2otk1

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
96a1e457593890cfc5535daa37eac9aef9f18442608ee7c14fb2f1ba472b626a.sample

Files

96a1e457593890cfc5535daa37eac9aef9f18442608ee7c14fb2f1ba472b626a.sample
.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

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

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

Sharing

General

Malware Config

Signatures

Files

f22bc6a616927c119c37738048bc1cc5

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

crypt32

shlwapi

rstrtmgr

mpr

kernel32

user32

advapi32

shell32

ole32

Sections

.text Size: 242KB - Virtual size: 242KB

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

.data Size: 10KB - Virtual size: 29KB

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

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

.text
Size: 242KB - Virtual size: 242KB

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

.data
Size: 10KB - Virtual size: 29KB

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

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