2024-03-19_380d7de55dc6442275705a020be19a0b_ryuk

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General

Target

2024-03-19_380d7de55dc6442275705a020be19a0b_ryuk
Size

205KB
MD5

380d7de55dc6442275705a020be19a0b
SHA1

3d0d77ea6d20e634ead61a61bc32ff650d6d8faa
SHA256

cebdaf6f7a9cefc2a1f5033065cba632f79649e1316fcc4441ae69c0b1df9f74
SHA512

e0f10a50893b358f6bb3529f9ee75d9e618631c04aabc2a1a7f5de6c217281c10b4f2f65b09e129a2c9653fb314e8e992ba0c58c4fc4f7185da78edb6a1714a9
SSDEEP

6144:Jfj71Du/GN69mmKz2Xl8YY2b8HoeTLiWY:JfjY/U2t27Hoe6W

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-19_380d7de55dc6442275705a020be19a0b_ryuk

Files

2024-03-19_380d7de55dc6442275705a020be19a0b_ryuk
.exe windows:6 windows x64 arch:x64

c9fbf8ed93e227f2b303f4b0cf3620a4

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

SwitchToFiber
CreateToolhelp32Snapshot
Process32NextW
LockResource
DeleteFiber
LoadResource
FindResourceW
ConvertThreadToFiber
CreateFiber
VirtualAlloc
SizeofResource
Process32FirstW
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: 36KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 104KB - Virtual size: 104KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c9fbf8ed93e227f2b303f4b0cf3620a4

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

Sections

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

.rdata Size: 36KB - Virtual size: 36KB

.data Size: 8KB - Virtual size: 8KB

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

.gfids Size: 4KB - Virtual size: 4KB

.rsrc Size: 104KB - Virtual size: 104KB

.reloc Size: 4KB - Virtual size: 4KB

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

.rdata
Size: 36KB - Virtual size: 36KB

.data
Size: 8KB - Virtual size: 8KB

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

.gfids
Size: 4KB - Virtual size: 4KB

.rsrc
Size: 104KB - Virtual size: 104KB

.reloc
Size: 4KB - Virtual size: 4KB