Behavioral task
behavioral1
Sample
5a30d7c31580fcf1d91273153e8815af9ed0151635f732753c7e4ea67a9236d7.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
5a30d7c31580fcf1d91273153e8815af9ed0151635f732753c7e4ea67a9236d7.exe
Resource
win10v2004-20230703-en
General
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Target
5a30d7c31580fcf1d91273153e8815af9ed0151635f732753c7e4ea67a9236d7
-
Size
4.4MB
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MD5
0985085ac2b5c9f2c64d3603e0dc23b6
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SHA1
236af16ac472f6bcd9c6d56b5c270a7527059f21
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SHA256
5a30d7c31580fcf1d91273153e8815af9ed0151635f732753c7e4ea67a9236d7
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SHA512
d5422987d369673373dbadbf1c5e559135b1f6f6e6f7f5144ba73371d045c4b160ac869e6489a76e550a59b522ad563e831fca09717aee3e35a5d8a599c3922c
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SSDEEP
49152:t5L1XVcPYu8kgVwGv5rsa/uCPJnwC9GG5YbtRqRsV5lDbKfDyqSvC9+7WQ3WLFnp:t5L4Yu8kVGhrsaG2nw+f+q//Kp/LK
Malware Config
Signatures
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MedusaLocker payload 1 IoCs
resource yara_rule sample family_medusalocker -
Medusalocker family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 5a30d7c31580fcf1d91273153e8815af9ed0151635f732753c7e4ea67a9236d7
Files
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5a30d7c31580fcf1d91273153e8815af9ed0151635f732753c7e4ea67a9236d7.exe windows x86
ea8efe958d7a465d533da661db2a26b6
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
GetProcessHeap
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetOEMCP
GetACP
IsValidCodePage
SetStdHandle
GetTimeZoneInformation
ReadFile
HeapReAlloc
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
HeapSize
WriteConsoleW
GetConsoleWindow
GetCommandLineA
GetModuleFileNameA
GetCurrentDirectoryW
CreateFileW
FindClose
FindFirstFileExW
FindNextFileW
GetFileAttributesExW
GetFileInformationByHandle
GetFullPathNameW
SetEndOfFile
SetFilePointerEx
AreFileApisANSI
CloseHandle
GetLastError
MoveFileExW
GetFileInformationByHandleEx
MultiByteToWideChar
WideCharToMultiByte
RaiseException
WaitForSingleObjectEx
Sleep
SwitchToThread
GetCurrentThreadId
GetExitCodeThread
LocalFree
FormatMessageA
InitializeConditionVariable
WakeConditionVariable
WakeAllConditionVariable
SleepConditionVariableCS
SleepConditionVariableSRW
QueryPerformanceCounter
QueryPerformanceFrequency
InitOnceBeginInitialize
InitOnceComplete
InitializeSRWLock
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
TryEnterCriticalSection
DeleteCriticalSection
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
LCMapStringEx
EncodePointer
DecodePointer
CompareStringEx
GetCPInfo
GetStringTypeW
SetLastError
GetSystemTime
SystemTimeToFileTime
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
SwitchToFiber
DeleteFiber
CreateFiber
GetModuleHandleExW
FindFirstFileW
GetStdHandle
GetEnvironmentVariableW
GetFileType
WriteFile
ConvertFiberToThread
ConvertThreadToFiber
GetCurrentProcessId
FreeLibrary
LoadLibraryA
LoadLibraryW
GetConsoleMode
SetConsoleMode
ReadConsoleA
ReadConsoleW
SetEvent
ResetEvent
CreateEventW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
InitializeSListHead
RtlUnwind
LoadLibraryExW
CreateThread
ExitThread
FreeLibraryAndExitThread
GetDriveTypeW
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
ExitProcess
SetConsoleCtrlHandler
GetModuleFileNameW
GetFileSizeEx
HeapAlloc
FlushFileBuffers
GetConsoleOutputCP
HeapFree
user32
MessageBoxW
GetUserObjectInformationW
GetProcessWindowStation
ShowWindow
advapi32
RegSetValueExA
RegCloseKey
ReportEventW
RegisterEventSourceW
DeregisterEventSource
RegCreateKeyExA
ws2_32
select
shutdown
WSASocketW
inet_pton
getaddrinfo
WSAStartup
getpeername
send
__WSAFDIsSet
ntohs
connect
recv
freeaddrinfo
ioctlsocket
getnameinfo
setsockopt
WSAGetLastError
WSACleanup
closesocket
socket
getsockopt
WSASetLastError
crypt32
CertEnumCertificatesInStore
CertCloseStore
CertOpenSystemStoreW
CertFreeCertificateContext
bcrypt
BCryptGenRandom
Sections
.text Size: 1.6MB - Virtual size: 1.6MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 468KB - Virtual size: 468KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 30KB - Virtual size: 45KB
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: 64KB - Virtual size: 63KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ