Static task
static1
Behavioral task
behavioral1
Sample
202304298b366e34ede2ce8cec175ad52f82b247medusalocker.exe
Resource
win7-20230220-en
General
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Target
202304298b366e34ede2ce8cec175ad52f82b247medusalocker.bin
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Size
601KB
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MD5
8b366e34ede2ce8cec175ad52f82b247
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SHA1
693e4a0cc327a88093433432416293f5abb3588e
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SHA256
d636d72d5398cc0b29c40f43dc877ac5d732e566a240c21370ed175d5a9580be
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SHA512
4538b7562596b175a037db5fdf1c962a8af6ba754c2050e63b43735a2473808d0f1692584a8ad73a2622c6d76e2c02d8ab9b5a1c782f21804c1ed00c1eda02f6
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SSDEEP
12288:PiGzrLD1dy74nsJl5LAFPwYRsfB1SZygoA+bjCk0Re7KPXdyP9hb:JPLZdy74nsJbLAFIE61rgoA+bjCkKrPG
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 202304298b366e34ede2ce8cec175ad52f82b247medusalocker.bin
Files
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202304298b366e34ede2ce8cec175ad52f82b247medusalocker.bin.exe windows x86
22ce52d00068e1399ae40ca592ab2858
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
GetLogicalDrives
WriteConsoleW
MoveFileExW
SetFilePointerEx
GetLastError
CreateFileW
SetEndOfFile
WriteFile
GetFileSizeEx
ReadFile
OpenMutexW
CloseHandle
Process32FirstW
DeleteFileW
Process32NextW
Sleep
CreateToolhelp32Snapshot
OpenProcess
HeapSize
ReadConsoleW
SetStdHandle
GetProcessHeap
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
GetACP
IsValidCodePage
GetTimeZoneInformation
GetConsoleMode
GetConsoleCP
FlushFileBuffers
HeapReAlloc
GetFileType
CreateMutexW
GetEnvironmentVariableW
GetModuleFileNameW
TerminateProcess
GetCurrentProcess
EnumSystemLocalesW
GetUserDefaultLCID
EncodePointer
DecodePointer
RaiseException
GetCurrentThreadId
IsProcessorFeaturePresent
QueueUserWorkItem
GetModuleHandleExW
EnterCriticalSection
LeaveCriticalSection
TryEnterCriticalSection
DeleteCriticalSection
MultiByteToWideChar
FormatMessageW
WideCharToMultiByte
GetStringTypeW
QueryPerformanceCounter
FindClose
FindFirstFileExW
FindNextFileW
GetFileAttributesExW
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
SwitchToThread
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetTickCount
GetModuleHandleW
GetProcAddress
DuplicateHandle
WaitForSingleObjectEx
GetCurrentThread
CompareStringW
LCMapStringW
GetLocaleInfoW
GetCPInfo
LocalFree
SetEvent
ResetEvent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
GetStartupInfoW
GetCurrentProcessId
InitializeSListHead
CreateTimerQueue
SignalObjectAndWait
CreateThread
SetThreadPriority
GetThreadPriority
GetLogicalProcessorInformation
CreateTimerQueueTimer
ChangeTimerQueueTimer
DeleteTimerQueueTimer
GetNumaHighestNodeNumber
GetProcessAffinityMask
SetThreadAffinityMask
RegisterWaitForSingleObject
UnregisterWait
GetThreadTimes
FreeLibrary
FreeLibraryAndExitThread
GetModuleHandleA
LoadLibraryExW
GetVersionExW
VirtualAlloc
VirtualProtect
VirtualFree
ReleaseSemaphore
InterlockedPopEntrySList
InterlockedPushEntrySList
InterlockedFlushSList
QueryDepthSList
UnregisterWaitEx
LoadLibraryW
RtlUnwind
ExitProcess
SetEnvironmentVariableW
GetStdHandle
GetCommandLineA
GetCommandLineW
HeapAlloc
HeapFree
GetDateFormatW
GetTimeFormatW
IsValidLocale
advapi32
RegCloseKey
RegQueryValueExW
RegDeleteValueW
RegOpenKeyExW
OpenProcessToken
RegSetValueExW
CryptDestroyKey
CryptAcquireContextW
CryptEncrypt
CryptDuplicateKey
CryptDecrypt
CryptImportKey
CryptReleaseContext
RegDeleteKeyW
GetTokenInformation
shell32
ShellExecuteExW
ole32
CoCreateInstance
CoInitialize
CoUninitialize
oleaut32
VariantInit
SysFreeString
SysAllocString
VariantClear
mpr
WNetGetConnectionW
netapi32
NetShareEnum
NetApiBufferFree
iphlpapi
IcmpCloseHandle
GetAdaptersInfo
IcmpCreateFile
IcmpSendEcho
ws2_32
inet_addr
Sections
.text Size: 456KB - Virtual size: 455KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 106KB - Virtual size: 105KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 14KB - Virtual size: 19KB
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: 23KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ