medusalocker | 2025-01-09_278a2191a39df795ad5e9c5ae93c6c41_cobalt-strike_medusalocker

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General

Target

2025-01-09_278a2191a39df795ad5e9c5ae93c6c41_cobalt-strike_medusalocker
Size

1.3MB
MD5

278a2191a39df795ad5e9c5ae93c6c41
SHA1

1f01d489c57eb590f7d0900d601898685d904666
SHA256

417a5b53e3615d371bce0f5270911486d81b9784403c61b1343b0540ed97ddb4
SHA512

f2f4f6f2d41f071ea64bd9d01032791132e852c31f0fcf7be840f88ccc68dc08e9785909c911f03b25e53eb32cfc3a001a5a7aa89b8ed69cc8e11b4275d31d3d
SSDEEP

12288:QmHAIqyfF/5ebyz1dpPlRnMRTD410ALP68kG3Jz4S9FUmnyJtgoiOHmabd8ornXl:HHRFfauvpPXnMKqJtfiOHmUd8QTH1

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
2025-01-09_278a2191a39df795ad5e9c5ae93c6c41_cobalt-strike_medusalocker

Files

2025-01-09_278a2191a39df795ad5e9c5ae93c6c41_cobalt-strike_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_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

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

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

.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