2024-01-11_7bbee9bb7c417d7e88f24d0464ba3933_ryuk

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General

Target

2024-01-11_7bbee9bb7c417d7e88f24d0464ba3933_ryuk
Size

174KB
MD5

7bbee9bb7c417d7e88f24d0464ba3933
SHA1

856225a46e8b9ac1564acab33ef9603be9d8b8f1
SHA256

0b98ddec6051f3463c9cc76812e4edeb4b9bc7a554993a75beed4e9b949d03a3
SHA512

48cf4432ce90499f95aee90051fb1554cdaed11c55cf97e2abd2f25823ce09858a36dadbd4bcff45fba1baa9b525ddd162946e0975985db40b0cba5c6127a274
SSDEEP

3072:jBD1BVOgUoA3cTU6SS2GiMLoZ1dhqVEKLcbmZH/IkJXhcgmuU:jBvhUo2c4h8Zs1KE+4KU

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-11_7bbee9bb7c417d7e88f24d0464ba3933_ryuk

Files

2024-01-11_7bbee9bb7c417d7e88f24d0464ba3933_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