2024-03-13_1f18ea24c11818cbfb4f8152cb24e852_ryuk

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General

Target

2024-03-13_1f18ea24c11818cbfb4f8152cb24e852_ryuk
Size

425KB
MD5

1f18ea24c11818cbfb4f8152cb24e852
SHA1

1296b4102ce91b0ca7f13c644f52f81e2ed52e7c
SHA256

0a3cf16dbc5fb0a61945bc02bcd71ffd35d1ee55cecd0e776d5cdfbac60720b8
SHA512

99cf29aecaf080c3f97bfe2c8d0f2b15cdd552e4fe1d45115dec15fb0df9be42db5a338fb29e8e77b6c84e2b5da060aab761f3ae30319be67ac412614cb385b8
SSDEEP

12288:gHDGbdEqyN4ADUXKtXq3i5Dv/JP+uuBL3XN:QDGpEn4bEF5zuJH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-13_1f18ea24c11818cbfb4f8152cb24e852_ryuk

Files

2024-03-13_1f18ea24c11818cbfb4f8152cb24e852_ryuk
.exe windows:6 windows x64 arch:x64

530632003f55d90bc68aba742585af55

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

kernel32

CreateToolhelp32Snapshot
CreateEventW
Process32NextW
CreateThreadpoolWait
WaitForSingleObject
Process32FirstW
SetThreadpoolWait
LoadResource
FindResourceW
VirtualAlloc
SizeofResource
LockResource
GetModuleFileNameA
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
RtlPcToFileHeader
RaiseException
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
ExitProcess
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameW
MultiByteToWideChar
WideCharToMultiByte
GetACP
HeapFree
HeapAlloc
LCMapStringW
CloseHandle
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetFileType
GetStringTypeW
GetProcessHeap
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleCP
GetConsoleMode
SetFilePointerEx
WriteConsoleW
CreateFileW

advapi32

RegCloseKey
RegSetValueExA
RegCreateKeyA

Sections

.text
Size: 40KB - Virtual size: 40KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 35KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 188B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 340KB - Virtual size: 339KB

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

530632003f55d90bc68aba742585af55

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

Sections

.text Size: 40KB - Virtual size: 40KB

.rdata Size: 35KB - Virtual size: 35KB

.data Size: 2KB - Virtual size: 7KB

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

.gfids Size: 512B - Virtual size: 188B

.rsrc Size: 340KB - Virtual size: 339KB

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

.text
Size: 40KB - Virtual size: 40KB

.rdata
Size: 35KB - Virtual size: 35KB

.data
Size: 2KB - Virtual size: 7KB

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

.gfids
Size: 512B - Virtual size: 188B

.rsrc
Size: 340KB - Virtual size: 339KB

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