medusalocker | 2024-08-21_3fafe32b4f9f954a7268e55a0047c4be_medusalocker

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General

Target

2024-08-21_3fafe32b4f9f954a7268e55a0047c4be_medusalocker
Size

1.2MB
MD5

3fafe32b4f9f954a7268e55a0047c4be
SHA1

258095c068a78fe4169e902863eee344eaec7af5
SHA256

8623772a34de4f27a2757197807de36600e759f745f52b93e8c165f9963cbacf
SHA512

4c7800257ead18077f23f56be9a5d90f0f5cfaef1a0463f6ed9626ac7c0d3d894f38c8a0a75307c2ab75739093c2fb2c8d3243c3e51dd015ae21469a27ff224a
SSDEEP

12288:zmHAIqyfF/5ebyz1dpPlRnMRTD410ALP68kG3Jz4S9FUmnyJtgoiOHmabd8ornX3:qHRFfauvpPXnMKqJtfiOHmUd8QTHH

Score

10^/10

medusalocker

Malware Config

Signatures

MedusaLocker payload 1 IoCs

resource	yara_rule
sample	family_medusalocker

Medusalocker family
medusalocker

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-08-21_3fafe32b4f9f954a7268e55a0047c4be_medusalocker

Files

2024-08-21_3fafe32b4f9f954a7268e55a0047c4be_medusalocker
.exe windows:6 windows x64 arch:x64

e21e79f22d20e648f922d95d15e45b27

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

crypt32

CryptStringToBinaryA

mpr

WNetGetConnectionW

kernel32

lstrcatW
Process32FirstW
lstrcpyW
GetCurrentProcess
WaitForSingleObject
CreateProcessW
CreateEventW
SetEvent
WaitForSingleObjectEx
GetLogicalDrives
FindNextFileW
WaitForMultipleObjects
GetQueuedCompletionStatus
ResumeThread
PostQueuedCompletionStatus
GetExitCodeThread
TerminateThread
CreateThread
ExitProcess
CreateIoCompletionPort
HeapCreate
HeapFree
HeapLock
HeapAlloc
HeapDestroy
Process32NextW
HeapSize
CreateToolhelp32Snapshot
OpenProcess
TerminateProcess
GetShortPathNameW
GetEnvironmentVariableW
FlushFileBuffers
WideCharToMultiByte
DeleteCriticalSection
DeleteFileW
FindClose
InitializeCriticalSection
LeaveCriticalSection
EnterCriticalSection
FindFirstFileW
GetComputerNameW
OpenMutexW
FindNextVolumeW
GetVolumePathNamesForVolumeNameW
FindVolumeClose
SetVolumeMountPointW
GetLastError
GetVolumeNameForVolumeMountPointW
CreateMutexW
GetModuleFileNameW
FindFirstVolumeW
MoveFileW
CloseHandle
SetFileAttributesW
CreateFileW
GetProcessHeap
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetOEMCP
GetACP
IsValidCodePage
FindFirstFileExW
RtlUnwind
HeapReAlloc
GetTimeZoneInformation
SetStdHandle
GetFullPathNameW
GetCurrentDirectoryW
ReadConsoleW
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetTimeFormatW
GetDateFormatW
GetConsoleMode
GetConsoleCP
SetFilePointer
WriteFile
GetFileSizeEx
ReadFile
WriteConsoleW
SetEndOfFile
HeapUnlock
SetFilePointerEx
EncodePointer
DecodePointer
LocalFree
MultiByteToWideChar
GetStringTypeW
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
CompareStringW
LCMapStringW
GetLocaleInfoW
GetCPInfo
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
RtlUnwindEx
RtlPcToFileHeader
RaiseException
FreeLibrary
LoadLibraryExW
GetDriveTypeW
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetModuleHandleExW
GetStdHandle

advapi32

CryptGenKey
RegOpenKeyExW
RegSetValueExW
RegCreateKeyExW
RegCloseKey
GetUserNameW
CryptCreateHash
CryptHashData
CryptDestroyHash
CryptGetHashParam
CryptDestroyKey
CryptAcquireContextW
CryptEncrypt
CryptDecrypt
CryptExportKey
CryptImportKey
CryptReleaseContext
CloseServiceHandle
OpenSCManagerW
DeleteService
ControlService
OpenProcessToken
StartServiceW
OpenServiceW
GetTokenInformation

shell32

ShellExecuteExW
SHEmptyRecycleBinW
ShellExecuteW
SHGetFolderPathW

oleaut32

VariantClear

rstrtmgr

RmRegisterResources
RmStartSession
RmShutdown
RmEndSession
RmGetList

netapi32

NetShareEnum
NetApiBufferFree

iphlpapi

IcmpSendEcho
IcmpSendEcho2
IcmpParseReplies
GetAdaptersInfo
IcmpCreateFile
IcmpCloseHandle

ws2_32

inet_addr

Sections

.text
Size: 749KB - Virtual size: 749KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 179KB - Virtual size: 178KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 230KB - Virtual size: 236KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 20KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 148B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.bss
Size: 512B - Virtual size: 512B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

e21e79f22d20e648f922d95d15e45b27

Headers

DLL Characteristics

File Characteristics

Imports

crypt32

mpr

kernel32

advapi32

shell32

oleaut32

rstrtmgr

netapi32

iphlpapi

ws2_32

Sections

.text Size: 749KB - Virtual size: 749KB

.rdata Size: 179KB - Virtual size: 178KB

.data Size: 230KB - Virtual size: 236KB

.pdata Size: 20KB - Virtual size: 20KB

_RDATA Size: 512B - Virtual size: 148B

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 5KB - Virtual size: 4KB

.bss Size: 512B - Virtual size: 512B

.text
Size: 749KB - Virtual size: 749KB

.rdata
Size: 179KB - Virtual size: 178KB

.data
Size: 230KB - Virtual size: 236KB

.pdata
Size: 20KB - Virtual size: 20KB

_RDATA
Size: 512B - Virtual size: 148B

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 5KB - Virtual size: 4KB

.bss
Size: 512B - Virtual size: 512B