2024-05-17_8f17a7b461571a047e857d3e2cb92397_ryuk

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General

Target

2024-05-17_8f17a7b461571a047e857d3e2cb92397_ryuk
Size

1.1MB
MD5

8f17a7b461571a047e857d3e2cb92397
SHA1

9eb00b924a481268b1f95cb99c610e0cebaba783
SHA256

d5f5391568ee80df082b313d410cb5f67b1dbd351a14f0d2bb23e6d0f7f29158
SHA512

8c2439bd089d43f0252d0149554b03a4948a1d24e3a02b5d86333987b58a792a7ecdcc57f891582ab18ba4badf7ffabf443f39c27fc2a7301c1da468bcc67072
SSDEEP

24576:lUsYvGh0v+nKXalszt9QzqJ+06j9feOzH:msYvGh0zlhWzqJj6wOz

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-17_8f17a7b461571a047e857d3e2cb92397_ryuk

Files

2024-05-17_8f17a7b461571a047e857d3e2cb92397_ryuk
.exe windows:6 windows x64 arch:x64

9b587d8a7b9a60c05d446bccfb3a2bcd

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

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: 121KB - Virtual size: 121KB

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: 121KB - Virtual size: 121KB

.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: 121KB - Virtual size: 121KB

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

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