medusalocker | 1658a064cb5a5681eee7ea82f92a2b7a14f70268dda3fc7aad8a610434711a8f

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General

Target

1658a064cb5a5681eee7ea82f92a2b7a14f70268dda3fc7aad8a610434711a8f
Size

669KB
MD5

3618b68d7db4614ec8d33b5052cc0e85
SHA1

15177fbb65d707b308bac50f612b795494314001
SHA256

1658a064cb5a5681eee7ea82f92a2b7a14f70268dda3fc7aad8a610434711a8f
SHA512

d6ab35314f9388cafc340edc4476f374faddf6b0905d736356be32fc3e77cb2baa09fedc13af5a43c10fb4631cc77e766b530e58fa47f98329e9e2371cdd7e8d
SSDEEP

12288:dQA0FfTcwpBuV2UxqDmuiLZeUaoFi2XZWfGe615HhAZV8DHKD/KeX:Tuf4wTuV2Ux3uIZeUBi2Te6HWaKrKe

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
1658a064cb5a5681eee7ea82f92a2b7a14f70268dda3fc7aad8a610434711a8f

Files

1658a064cb5a5681eee7ea82f92a2b7a14f70268dda3fc7aad8a610434711a8f
.exe windows:6 windows x86 arch:x86

1a395bd10b20c116b11c2db5ee44c225

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

kernel32

Process32NextW
Process32FirstW
CreateProcessW
GetTickCount
CopyFileW
GetCurrentProcess
WriteConsoleW
CreateToolhelp32Snapshot
OpenProcess
WaitForSingleObject
TerminateProcess
FindClose
FindNextVolumeW
GetVolumePathNamesForVolumeNameW
FindVolumeClose
SetVolumeMountPointW
FindFirstVolumeW
QueryDosDeviceW
GetEnvironmentVariableW
GetLogicalDrives
GetProcessHeap
MoveFileExW
SetFilePointerEx
HeapAlloc
CloseHandle
GetLastError
SetFileAttributesW
GetFileAttributesW
CreateFileW
WriteFile
HeapSize
GetConsoleMode
GetConsoleCP
FlushFileBuffers
SetStdHandle
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetOEMCP
GetACP
IsValidCodePage
HeapReAlloc
GetFileType
GetTimeZoneInformation
EnumSystemLocalesW
HeapFree
GetFileSizeEx
GetUserDefaultLCID
IsValidLocale
GetTimeFormatW
GetDateFormatW
GetStdHandle
ReadFile
OpenMutexW
Sleep
CreateMutexW
GetModuleFileNameW
SetEnvironmentVariableW
EncodePointer
DecodePointer
RaiseException
GetCurrentThreadId
IsProcessorFeaturePresent
QueueUserWorkItem
GetModuleHandleExW
EnterCriticalSection
LeaveCriticalSection
TryEnterCriticalSection
DeleteCriticalSection
QueryPerformanceCounter
QueryPerformanceFrequency
FormatMessageW
WideCharToMultiByte
MultiByteToWideChar
FindFirstFileExW
FindNextFileW
GetFileAttributesExW
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
SwitchToThread
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
WaitForSingleObjectEx
GetStringTypeW
CompareStringW
LCMapStringW
GetLocaleInfoW
GetCPInfo
SetEvent
ResetEvent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
GetStartupInfoW
GetCurrentProcessId
InitializeSListHead
LocalFree
CreateTimerQueue
SignalObjectAndWait
CreateThread
SetThreadPriority
GetThreadPriority
GetLogicalProcessorInformation
CreateTimerQueueTimer
ChangeTimerQueueTimer
DeleteTimerQueueTimer
GetNumaHighestNodeNumber
GetProcessAffinityMask
SetThreadAffinityMask
RegisterWaitForSingleObject
UnregisterWait
GetCurrentThread
GetThreadTimes
FreeLibrary
FreeLibraryAndExitThread
GetModuleHandleA
LoadLibraryExW
GetVersionExW
VirtualAlloc
VirtualProtect
VirtualFree
DuplicateHandle
ReleaseSemaphore
InterlockedPopEntrySList
InterlockedPushEntrySList
InterlockedFlushSList
QueryDepthSList
UnregisterWaitEx
LoadLibraryW
RtlUnwind
ExitProcess

advapi32

CryptExportKey
RegCreateKeyW
RegOpenKeyExW
RegSetValueExW
RegCloseKey
CryptReleaseContext
CryptGenKey
CryptImportKey
OpenProcessToken
GetTokenInformation
CloseServiceHandle
OpenSCManagerW
DeleteService
ControlService
EnumDependentServicesW
OpenServiceW
QueryServiceStatusEx
CryptDestroyKey
CryptAcquireContextW
CryptEncrypt
CryptDuplicateKey
RegDeleteValueW

shell32

SHEmptyRecycleBinW

ole32

CLSIDFromString
IIDFromString
CoInitializeEx
CoGetObject
CoInitialize
CoUninitialize
CoCreateInstance
CoInitializeSecurity

oleaut32

SysAllocStringByteLen
VariantClear
SysAllocString
SysStringByteLen
VariantInit
SysFreeString

crypt32

CryptStringToBinaryA

mpr

WNetGetConnectionW

netapi32

NetApiBufferFree
NetShareEnum

iphlpapi

IcmpSendEcho
IcmpCloseHandle
GetAdaptersInfo
IcmpCreateFile

ws2_32

inet_addr

rstrtmgr

RmShutdown
RmRegisterResources
RmStartSession
RmGetList
RmEndSession

Sections

.text
Size: 459KB - Virtual size: 458KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 171KB - Virtual size: 171KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 14KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 23KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1a395bd10b20c116b11c2db5ee44c225

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

shell32

ole32

oleaut32

crypt32

mpr

netapi32

iphlpapi

ws2_32

rstrtmgr

Sections

.text Size: 459KB - Virtual size: 458KB

.rdata Size: 171KB - Virtual size: 171KB

.data Size: 14KB - Virtual size: 18KB

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

.reloc Size: 23KB - Virtual size: 22KB

.text
Size: 459KB - Virtual size: 458KB

.rdata
Size: 171KB - Virtual size: 171KB

.data
Size: 14KB - Virtual size: 18KB

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

.reloc
Size: 23KB - Virtual size: 22KB