2024-05-10_f57d16141fad50725816818f4873be59_ryuk

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General

Target

2024-05-10_f57d16141fad50725816818f4873be59_ryuk
Size

1.1MB
MD5

f57d16141fad50725816818f4873be59
SHA1

69843169c47d854c7244fa17353023324bbcf3eb
SHA256

f109a1e3c7ea420a8509ae628d62a04ec21be9d61579bfdb23a4ebe36cc822e5
SHA512

d05a99818ded2797f787417bc2135384529da72017ca1a1220d420f718e12f8ec9c893ff5f75d6fb6b3620036e76af73feb00d9e8866bc542ecce83671ae2c41
SSDEEP

24576:iyUUpSh0v+ndXalszt9QzqJ+06tHdd2KH:0UpSh0MlhWzqJj6NSK

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-10_f57d16141fad50725816818f4873be59_ryuk

Files

2024-05-10_f57d16141fad50725816818f4873be59_ryuk
.exe windows:6 windows x64 arch:x64

9b587d8a7b9a60c05d446bccfb3a2bcd

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

advapi32

CryptAcquireContextW
CryptGenRandom
CryptReleaseContext
RegGetValueA

kernel32

CloseHandle
CompareStringW
CreateFileA
CreateFileW
DecodePointer
DeleteCriticalSection
DeviceIoControl
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetFileSizeEx
GetFileType
GetLastError
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetUserDefaultLCID
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
MultiByteToWideChar
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadConsoleW
ReadFile
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEndOfFile
SetEnvironmentVariableW
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WideCharToMultiByte
WriteConsoleW
WriteFile

ws2_32

WSAGetLastError
closesocket
getsockopt
recv
recvfrom
send
sendto
setsockopt

Sections

.text
Size: 811KB - Virtual size: 811KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 162KB - Virtual size: 162KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 40KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 20KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 9KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 140B

_RDATA
Size: 512B - Virtual size: 500B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

ldr0
Size: 122KB - Virtual size: 122KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 422B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9b587d8a7b9a60c05d446bccfb3a2bcd

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

ws2_32

Sections

.text Size: 811KB - Virtual size: 811KB

.rdata Size: 162KB - Virtual size: 162KB

.data Size: 7KB - Virtual size: 40KB

.pdata Size: 20KB - Virtual size: 20KB

.00cfg Size: 512B - Virtual size: 56B

.gxfg Size: 9KB - Virtual size: 9KB

.retplne Size: 512B - Virtual size: 140B

_RDATA Size: 512B - Virtual size: 500B

ldr0 Size: 122KB - Virtual size: 122KB

.rsrc Size: 512B - Virtual size: 422B

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

.text
Size: 811KB - Virtual size: 811KB

.rdata
Size: 162KB - Virtual size: 162KB

.data
Size: 7KB - Virtual size: 40KB

.pdata
Size: 20KB - Virtual size: 20KB

.00cfg
Size: 512B - Virtual size: 56B

.gxfg
Size: 9KB - Virtual size: 9KB

.retplne
Size: 512B - Virtual size: 140B

_RDATA
Size: 512B - Virtual size: 500B

ldr0
Size: 122KB - Virtual size: 122KB

.rsrc
Size: 512B - Virtual size: 422B

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