2024-03-26_e448ab7edefa35b249ca33c8c43861dc_ryuk

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General

Target

2024-03-26_e448ab7edefa35b249ca33c8c43861dc_ryuk
Size

1.1MB
MD5

e448ab7edefa35b249ca33c8c43861dc
SHA1

06b57209b3ef2613fb89635af8ef3278344a9118
SHA256

b32ca375583e18534504a6e7f1fd78ed54a89dc11936f0c7f88ad0a0e3f23275
SHA512

646a181c06febbd2dc37cd07a3f4f3c452ad314c70d155553c4cbf6a37c7d671e764b33a7118f335671c05421327c0eb76e5090b3b910ccc216b0ab15092b1ef
SSDEEP

24576:4KUdxU5a4eOIEPmPdFiNtL5DCnW2wOGEMtydC+Ncgcij6TI7:NgIeOt4dFiNtVaW8dC+si2TW

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-26_e448ab7edefa35b249ca33c8c43861dc_ryuk

Files

2024-03-26_e448ab7edefa35b249ca33c8c43861dc_ryuk
.exe windows:6 windows x64 arch:x64

663f409624257159ee8a618b1b4eb653

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

Imports

kernel32

InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetProcAddress
WideCharToMultiByte
MultiByteToWideChar
EncodePointer
DecodePointer
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
GetSystemTimeAsFileTime
GetModuleHandleW
CompareStringW
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
CloseHandle
SetEvent
ResetEvent
WaitForSingleObjectEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
GetLastError
GetCurrentThread
GetThreadTimes
FreeLibrary
GetModuleFileNameW
LoadLibraryExW
QueryPerformanceCounter
RtlPcToFileHeader
RaiseException
RtlUnwindEx
ReadFile
HeapAlloc
HeapFree
HeapReAlloc
ExitProcess
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameA
GetCommandLineA
GetCommandLineW
GetACP
GetFileType
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FlushFileBuffers
GetConsoleCP
GetConsoleMode
SetFilePointerEx
ReadConsoleW
GetProcessHeap
IsValidCodePage
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
FindClose
FindFirstFileExA
FindNextFileA
SetStdHandle
WriteConsoleW
CreateFileW
HeapSize
SetEndOfFile

advapi32

SystemFunction036

Sections

.text
Size: 824KB - Virtual size: 823KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 228KB - Virtual size: 227KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 10KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 33KB - Virtual size: 33KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 472B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

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: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

663f409624257159ee8a618b1b4eb653

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

Sections

.text Size: 824KB - Virtual size: 823KB

.rdata Size: 228KB - Virtual size: 227KB

.data Size: 10KB - Virtual size: 18KB

.pdata Size: 33KB - Virtual size: 33KB

.gfids Size: 512B - Virtual size: 472B

.tls Size: 512B - Virtual size: 9B

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

.reloc Size: 5KB - Virtual size: 4KB

.text
Size: 824KB - Virtual size: 823KB

.rdata
Size: 228KB - Virtual size: 227KB

.data
Size: 10KB - Virtual size: 18KB

.pdata
Size: 33KB - Virtual size: 33KB

.gfids
Size: 512B - Virtual size: 472B

.tls
Size: 512B - Virtual size: 9B

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

.reloc
Size: 5KB - Virtual size: 4KB