2024-09-18_4180abf732ea259326853af8dd6c0c24_ryuk

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General

Target

2024-09-18_4180abf732ea259326853af8dd6c0c24_ryuk
Size

174KB
MD5

4180abf732ea259326853af8dd6c0c24
SHA1

180faad3fe3a6c5a411ad53d3a75624c03fecc46
SHA256

a741a20ec56265c153554ab5638a998b933486189714f10f38d8d07f130c3289
SHA512

9318e474cfac6ac25698ce8a6d9fb4185586a4c0b39fffa28a8eac43421e6a61e2dc396bf024b8089f9d6fe705c805ec95e3fe7db2b31c3a4fb21ba0bdbf9746
SSDEEP

3072:KBD1BVOgUoA3cTU6SS2GiMLoZ1dhqVEKLcbmZH/VkJXhcgmuU:KBvhUo2c4h8Zs1KE+NKU

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-09-18_4180abf732ea259326853af8dd6c0c24_ryuk

Files

2024-09-18_4180abf732ea259326853af8dd6c0c24_ryuk
.exe windows:6 windows x64 arch:x64

6fb4ba467ef2e11131f3c985808c50b8

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

ws2_32

inet_ntop
freeaddrinfo
getaddrinfo
WSAGetLastError
WSACleanup
WSAStartup
socket
setsockopt
send
recv
ntohs
listen
htons
htonl
getsockname
getpeername
connect
closesocket
bind
accept

kernel32

WriteConsoleW
CreateFileW
HeapReAlloc
HeapSize
SetFilePointerEx
GetFileSizeEx
GetConsoleMode
GetConsoleCP
FlushFileBuffers
GetProcessHeap
GetStringTypeW
SetStdHandle
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
WideCharToMultiByte
QueryPerformanceCounter
QueryPerformanceFrequency
GetTickCount
FormatMessageA
CloseHandle
GetLastError
ReleaseMutex
WaitForSingleObject
CreateMutexA
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlPcToFileHeader
RaiseException
RtlUnwindEx
EncodePointer
GetModuleFileNameW
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
ExitProcess
GetModuleHandleExW
GetStdHandle
WriteFile
GetCommandLineA
GetCommandLineW
HeapFree
HeapAlloc
CompareStringW
LCMapStringW
GetFileType
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
MultiByteToWideChar

advapi32

SystemFunction036

Sections

.text
Size: 115KB - Virtual size: 114KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 46KB - Virtual size: 45KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 232B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

6fb4ba467ef2e11131f3c985808c50b8

Headers

DLL Characteristics

File Characteristics

Imports

ws2_32

kernel32

advapi32

Sections

.text Size: 115KB - Virtual size: 114KB

.rdata Size: 46KB - Virtual size: 45KB

.data Size: 3KB - Virtual size: 8KB

.pdata Size: 6KB - Virtual size: 5KB

.gfids Size: 512B - Virtual size: 232B

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 115KB - Virtual size: 114KB

.rdata
Size: 46KB - Virtual size: 45KB

.data
Size: 3KB - Virtual size: 8KB

.pdata
Size: 6KB - Virtual size: 5KB

.gfids
Size: 512B - Virtual size: 232B

.reloc
Size: 2KB - Virtual size: 1KB