Static task
static1
Behavioral task
behavioral1
Sample
2024-08-09_125b5d666869a3215657fd00fbd655e8_cobalt-strike_medusa-locker.exe
Resource
win7-20240705-en
General
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Target
2024-08-09_125b5d666869a3215657fd00fbd655e8_cobalt-strike_medusa-locker
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Size
600KB
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MD5
125b5d666869a3215657fd00fbd655e8
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SHA1
e2f3f18600276875e74c2c55eb50407893d00c9d
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SHA256
6171e04c5eb7ea76b7ed6f1b990fca06fa2a4a62191658a4fccd5b5c750a6c7a
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SHA512
5895c932ee95c27e02ca2274d1516f06c4954e722ac582cd7eb95a4cd5e6afcaaedd8199abf39cb3b7c08fc2360170be28a0135ede08d5d7e81f379a258f4fca
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SSDEEP
12288:jMPnSbgwPCw4sLBaOcMFgewRNQ2ufQumS+7WG7fYWbpTD:e0HPCw4sLBaOcM2ep1fQumkIfDT
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-09_125b5d666869a3215657fd00fbd655e8_cobalt-strike_medusa-locker
Files
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2024-08-09_125b5d666869a3215657fd00fbd655e8_cobalt-strike_medusa-locker.exe windows:6 windows x86 arch:x86
2b1b9b1b5ea0b1b99f9a3f8000e9d239
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
WriteConsoleW
GetLogicalDrives
MoveFileExW
SetFilePointerEx
GetLastError
CreateFileW
SetEndOfFile
WriteFile
GetFileSizeEx
ReadFile
OpenMutexW
CloseHandle
Process32FirstW
DeleteFileW
Process32NextW
Sleep
HeapSize
ReadConsoleW
SetStdHandle
GetProcessHeap
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
GetACP
IsValidCodePage
GetTimeZoneInformation
CreateToolhelp32Snapshot
OpenProcess
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
CryptReleaseContext
RegQueryValueExW
RegDeleteValueW
RegOpenKeyExW
OpenProcessToken
RegSetValueExW
RegDeleteKeyW
RegCloseKey
CryptDestroyKey
CryptAcquireContextW
CryptEncrypt
CryptDuplicateKey
CryptDecrypt
CryptImportKey
GetTokenInformation
shell32
ShellExecuteExW
ole32
CoCreateInstance
CoInitialize
CoUninitialize
oleaut32
VariantInit
SysFreeString
SysAllocString
VariantClear
crypt32
CryptStringToBinaryA
mpr
WNetGetConnectionW
netapi32
NetShareEnum
NetApiBufferFree
iphlpapi
IcmpSendEcho
IcmpCloseHandle
GetAdaptersInfo
IcmpCreateFile
ws2_32
inet_addr
Sections
.text Size: 454KB - Virtual size: 453KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 107KB - Virtual size: 106KB
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