2024-05-24_596d92a9a15ff85d123203da3348674d_ryuk

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General

Target

2024-05-24_596d92a9a15ff85d123203da3348674d_ryuk
Size

1.6MB
MD5

596d92a9a15ff85d123203da3348674d
SHA1

c1a56399b7508cb55f48a10a68d65e5e5e570a46
SHA256

2558dc3b6a2761a72d597ad7234a043231a79b3f4bfc242b78c00231adc38b26
SHA512

8ecce22e87e50f5d5cac17530cc706779c73e8a23901d5acdc75d522a9db5a61997a699af7825bba053e61c4b7cf6ffcff5bfb749a3cb6680b70a4b4b65407ba
SSDEEP

24576:SHqQ9GS3B7uOUYYbju+e9qii4Fznpo8DjAg+3w0a:SKgiOme9qOjp7DjA7g0

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-24_596d92a9a15ff85d123203da3348674d_ryuk

Files

2024-05-24_596d92a9a15ff85d123203da3348674d_ryuk
.exe windows:5 windows x64 arch:x64

1492d6064eb7d7cca3ee8fcf1ed16a43

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

LoadLibraryW
GetProcAddress
FreeLibrary
SetCurrentDirectoryW
GetModuleHandleW
LocalAlloc
lstrcmpA
LocalFree
WideCharToMultiByte
WriteConsoleW
HeapSize
MultiByteToWideChar
CloseHandle
GetLastError
GetFileAttributesW
GetConsoleCP
FlushFileBuffers
SetEnvironmentVariableA
FindClose
GetModuleFileNameW
GetModuleFileNameA
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
EncodePointer
DecodePointer
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetStringTypeW
CompareStringW
LCMapStringW
GetCPInfo
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
RtlPcToFileHeader
RaiseException
RtlUnwindEx
LoadLibraryExW
CreateFileW
GetDriveTypeW
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
HeapAlloc
HeapReAlloc
HeapFree
ExitProcess
GetModuleHandleExW
GetStdHandle
WriteFile
GetACP
GetCurrentDirectoryW
GetFullPathNameW
SetStdHandle
SetFilePointerEx
GetConsoleMode
GetProcessHeap
GetTimeZoneInformation
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW

user32

MessageBoxA

advapi32

RegCloseKey
RegQueryValueExW
RegOpenKeyExW

wintrust

WinVerifyTrust

crypt32

CryptMsgClose
CertFreeCertificateContext
CryptQueryObject
CertCloseStore
CryptMsgGetParam
CertFindCertificateInStore
CryptDecodeObject
CertGetNameStringW

Sections

.text
Size: 90KB - Virtual size: 89KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 68KB - Virtual size: 68KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 9KB

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: 284B

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: 101KB - Virtual size: 101KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

1492d6064eb7d7cca3ee8fcf1ed16a43

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

wintrust

crypt32

Sections

.text Size: 90KB - Virtual size: 89KB

.rdata Size: 68KB - Virtual size: 68KB

.data Size: 3KB - Virtual size: 9KB

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

.gfids Size: 512B - Virtual size: 284B

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

.rsrc Size: 101KB - Virtual size: 101KB

.reloc Size: 1.3MB - Virtual size: 1.3MB

.text
Size: 90KB - Virtual size: 89KB

.rdata
Size: 68KB - Virtual size: 68KB

.data
Size: 3KB - Virtual size: 9KB

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

.gfids
Size: 512B - Virtual size: 284B

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

.rsrc
Size: 101KB - Virtual size: 101KB

.reloc
Size: 1.3MB - Virtual size: 1.3MB