2024-03-20_4875aed314cb82ebd9d541faf396d7ad_ryuk

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General

Target

2024-03-20_4875aed314cb82ebd9d541faf396d7ad_ryuk
Size

2.5MB
MD5

4875aed314cb82ebd9d541faf396d7ad
SHA1

d31e26742f58472ba1be021474fdc57865e52811
SHA256

833c7c2123bbe982fb6cb4d2092900d353a7f86a12d2e595dd1e92639974e52a
SHA512

3e72776d4a651c3676f01b686927aa04f31710010db528057a7f00a7e64272016c59786745317ef65a185630f659becb363ed8dee45bd12a309640f7a2eff07b
SSDEEP

49152:2w+/9h84csBQhzdKdhBYrUALl/7RYKTEg:u9hPWhOKTE

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-20_4875aed314cb82ebd9d541faf396d7ad_ryuk

Files

2024-03-20_4875aed314cb82ebd9d541faf396d7ad_ryuk
.exe windows:6 windows x64 arch:x64

ab355defac5b86a5e0d2ea6ba7c06f4f

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

PDB Paths

F:\Project\Git\Xenia\build\bin\Release\xe-cpu-hir-test.pdb

Imports

ntdll

RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
RtlPcToFileHeader
RtlUnwindEx
RtlAddGrowableFunctionTable
RtlGrowFunctionTable
RtlDeleteGrowableFunctionTable

wsock32

socket
htons
bind
inet_ntoa
listen
WSAStartup

kernel32

FindClose
SetEnvironmentVariableW
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
IsValidCodePage
GetTimeZoneInformation
GetProcessHeap
GetStdHandle
SetConsoleTextAttribute
QueryPerformanceFrequency
QueryPerformanceCounter
GetConsoleScreenBufferInfo
IsDebuggerPresent
InitializeCriticalSection
EnterCriticalSection
DeleteCriticalSection
LeaveCriticalSection
UnmapViewOfFile
MapViewOfFileEx
VirtualQuery
GetTickCount
CreateFileMappingW
VirtualFree
VirtualAlloc
VirtualProtect
CloseHandle
Sleep
RaiseException
GetCurrentThreadId
SwitchToThread
GetCurrentProcessId
RemoveVectoredContinueHandler
RemoveVectoredExceptionHandler
AddVectoredExceptionHandler
CreateFileW
MapViewOfFile
FlushViewOfFile
FlushInstructionCache
GetCurrentProcess
HeapSize
FindFirstFileExW
FindNextFileW
WriteConsoleW
GetSystemInfo
ReadConsoleW
CompareStringW
SetEndOfFile
GetConsoleMode
GetConsoleCP
FlushFileBuffers
SetFilePointerEx
EnumSystemLocalesW
WideCharToMultiByte
MultiByteToWideChar
TryEnterCriticalSection
DuplicateHandle
WaitForSingleObjectEx
GetCurrentThread
EncodePointer
DecodePointer
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
GetUserDefaultLCID
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
SetEvent
ResetEvent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
InitializeSListHead
TerminateProcess
CreateTimerQueue
GetLastError
SignalObjectAndWait
CreateThread
SetThreadPriority
GetThreadPriority
GetLogicalProcessorInformation
CreateTimerQueueTimer
ChangeTimerQueueTimer
DeleteTimerQueueTimer
GetNumaHighestNodeNumber
GetProcessAffinityMask
SetThreadAffinityMask
RegisterWaitForSingleObject
UnregisterWait
GetThreadTimes
FreeLibrary
FreeLibraryAndExitThread
GetModuleFileNameW
GetModuleHandleA
LoadLibraryExW
GetVersionExW
ReleaseSemaphore
InterlockedPopEntrySList
InterlockedPushEntrySList
InterlockedFlushSList
QueryDepthSList
UnregisterWaitEx
LoadLibraryW
SetStdHandle
GetFileType
ExitProcess
GetModuleHandleExW
ReadFile
HeapAlloc
HeapReAlloc
HeapFree
WriteFile
GetCommandLineA
GetCommandLineW
GetACP
GetDateFormatW
GetTimeFormatW
IsValidLocale

advapi32

SystemFunction036

ole32

CoInitializeEx

Sections

.text
Size: 1.9MB - Virtual size: 1.9MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 472KB - Virtual size: 471KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 82KB - Virtual size: 2.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 86KB - Virtual size: 86KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1024B - Virtual size: 744B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 18KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

ab355defac5b86a5e0d2ea6ba7c06f4f

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

ntdll

wsock32

kernel32

advapi32

ole32

Sections

.text Size: 1.9MB - Virtual size: 1.9MB

.rdata Size: 472KB - Virtual size: 471KB

.data Size: 82KB - Virtual size: 2.6MB

.pdata Size: 86KB - Virtual size: 86KB

.tls Size: 2KB - Virtual size: 2KB

.rsrc Size: 1024B - Virtual size: 744B

.reloc Size: 18KB - Virtual size: 17KB

.text
Size: 1.9MB - Virtual size: 1.9MB

.rdata
Size: 472KB - Virtual size: 471KB

.data
Size: 82KB - Virtual size: 2.6MB

.pdata
Size: 86KB - Virtual size: 86KB

.tls
Size: 2KB - Virtual size: 2KB

.rsrc
Size: 1024B - Virtual size: 744B

.reloc
Size: 18KB - Virtual size: 17KB