2024-01-29_35955ac20eaa863e62597b260721b431_ryuk

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General

Target

2024-01-29_35955ac20eaa863e62597b260721b431_ryuk
Size

114KB
MD5

35955ac20eaa863e62597b260721b431
SHA1

485bf7c18079675b46f3857c0231ccb0a118e20d
SHA256

1457399a279c2e03a2b89ca9abbc1bd902cd244b41fafc714f804ba8dad38c66
SHA512

cbdc4db14e3abb2531c27d6b68f58f335e52092a19a4984a59494aa29de9fb76a49c2cf7c90e62c35144d4b68930b15f35531337ab76ca8ff0a24fc41fafbe99
SSDEEP

3072:qrs/ByH0nKFPFJOzUICjmM8ef8Vf7CjSQ:d/ByHxHJOzyj17

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-29_35955ac20eaa863e62597b260721b431_ryuk

Files

2024-01-29_35955ac20eaa863e62597b260721b431_ryuk
.exe windows:6 windows x64 arch:x64

e4be23a161ce9a9da9e9ffde532cba89

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

ssleay32md

ord12
ord111
ord74
ord183
ord8
ord15
ord96
ord48
ord58
ord108
ord87
ord75
ord42
ord43

libeay32md

ord3212
ord355
ord2604
ord224
ord4445
ord223
ord227
ord298

ws2_32

connect
socket
inet_addr
WSAStartup
closesocket
WSACleanup
htons

kernel32

TlsGetValue
CreateFileW
WriteConsoleW
SetFilePointerEx
HeapReAlloc
HeapSize
GetConsoleMode
GetConsoleCP
FlushFileBuffers
GetProcessHeap
SetStdHandle
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCPInfo
GetOEMCP
IsValidCodePage
FindNextFileA
FindFirstFileExA
FindClose
CloseHandle
GetStringTypeW
GetFileType
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
RaiseException
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
GetStdHandle
WriteFile
GetModuleFileNameA
MultiByteToWideChar
WideCharToMultiByte
ExitProcess
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
GetACP
HeapFree
HeapAlloc
CompareStringW
LCMapStringW

Sections

.text
Size: 64KB - Virtual size: 64KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 38KB - Virtual size: 38KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 160B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 648B

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

e4be23a161ce9a9da9e9ffde532cba89

Headers

DLL Characteristics

File Characteristics

Imports

ssleay32md

libeay32md

ws2_32

kernel32

Sections

.text Size: 64KB - Virtual size: 64KB

.rdata Size: 38KB - Virtual size: 38KB

.data Size: 2KB - Virtual size: 6KB

.pdata Size: 4KB - Virtual size: 3KB

.gfids Size: 512B - Virtual size: 160B

.rsrc Size: 1024B - Virtual size: 648B

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

.text
Size: 64KB - Virtual size: 64KB

.rdata
Size: 38KB - Virtual size: 38KB

.data
Size: 2KB - Virtual size: 6KB

.pdata
Size: 4KB - Virtual size: 3KB

.gfids
Size: 512B - Virtual size: 160B

.rsrc
Size: 1024B - Virtual size: 648B

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