2024-04-17_4a18f5f3f599038a31c4b656fdc3cf2e_ryuk

Sharing

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General

Target

2024-04-17_4a18f5f3f599038a31c4b656fdc3cf2e_ryuk
Size

87KB
MD5

4a18f5f3f599038a31c4b656fdc3cf2e
SHA1

deb89e72a09722b53a52e23b39e6a85b964bbbd6
SHA256

5821a526e086b65c67e07fd1bb15e70cf480bb2a4401349112b96d4cda4fc3b2
SHA512

7604d2efce937f4d5108db2fb87545389d0c9cf8c4610ab3a2ec2fe21f35ea064da146eb35287375204483a98decddc01f157c1fbf03825cc77b1b44ddae1a06
SSDEEP

1536:28xwdD2TwsDH6rjLfKeWFvZOGA4vyTcFdgfsE9dl5mEORv09Sz:LxwWwGe3fKXFvZOGxv5/gNXmEOF09S

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-17_4a18f5f3f599038a31c4b656fdc3cf2e_ryuk

Files

2024-04-17_4a18f5f3f599038a31c4b656fdc3cf2e_ryuk
.exe windows:6 windows x64 arch:x64

220644d729051c28b0a13617eaf7b921

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

PDB Paths

C:\projects\rust\build\x86_64-pc-windows-msvc\stage1-rustc\x86_64-pc-windows-msvc\release\deps\rustc-f528dbf5d0d555e5.pdb

Imports

rustc_driver-dcde62bb84b63d42

_ZN12rustc_driver4main17hcf226830301a510dE

std-0a78323911070f99

_ZN3std2rt10lang_start17h100774a90364bc50E

kernel32

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

Sections

.text
Size: 43KB - Virtual size: 42KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 34KB - Virtual size: 34KB

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: 3KB - 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

.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

220644d729051c28b0a13617eaf7b921

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

rustc_driver-dcde62bb84b63d42

std-0a78323911070f99

kernel32

Sections

.text Size: 43KB - Virtual size: 42KB

.rdata Size: 34KB - Virtual size: 34KB

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

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

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

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

.text
Size: 43KB - Virtual size: 42KB

.rdata
Size: 34KB - Virtual size: 34KB

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

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

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

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