2024-03-12_1b9e211d20995950d3e45a5ca764edb0_ryuk

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General

Target

2024-03-12_1b9e211d20995950d3e45a5ca764edb0_ryuk
Size

743KB
MD5

1b9e211d20995950d3e45a5ca764edb0
SHA1

1796ce44997bcbec9b0de9de7b4c98e822db54d3
SHA256

230a448ae8b0ce45992e8a6bd34dfb338fdf68ab3df5a3b04a8595c0e9243750
SHA512

d9da7d5c7fb3b2ed310faaeac85c9bd642035326619c32ac542bc75a70137e75e55397293bcf54f8acad17bf07ff7f0f502494bc371218bafa51d8aacd4c8427
SSDEEP

12288:NLI1kOPnsDHc0PkN5imoFUBL8252uui8FbECP7BhdfswdJ0NXdU8ZWH7DEP1rCJ7:N01zPnsDHc0PIimet2rR8FfBhRJUEbDr

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-12_1b9e211d20995950d3e45a5ca764edb0_ryuk

Files

2024-03-12_1b9e211d20995950d3e45a5ca764edb0_ryuk
.exe windows:6 windows x64 arch:x64

841b4e5b9ed36c5b811b70123dbf9536

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

/home/jskinner/.release_build/build/gn/lto_win_x64/update_installer.pdb

Imports

shell32

CommandLineToArgvW
SHFileOperationW
ShellExecuteExW

user32

MessageBoxW

kernel32

CloseHandle
CreateEventW
CreateFileW
CreateProcessW
DecodePointer
DeleteCriticalSection
EncodePointer
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExA
FindNextFileA
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleCP
GetConsoleMode
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetEnvironmentStringsW
GetExitCodeProcess
GetFileType
GetLastError
GetLongPathNameW
GetModuleFileNameA
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetTempPathW
GetThreadTimes
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
LocalFree
MoveFileExW
MultiByteToWideChar
OpenProcess
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind
SetCurrentDirectoryW
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WaitForSingleObject
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFile

Sections

.text
Size: 89KB - Virtual size: 88KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 73KB - Virtual size: 72KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 17B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 512B - Virtual size: 488B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 568KB - Virtual size: 572KB

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

841b4e5b9ed36c5b811b70123dbf9536

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

shell32

user32

kernel32

Sections

.text Size: 89KB - Virtual size: 88KB

.rdata Size: 73KB - Virtual size: 72KB

.data Size: 3KB - Virtual size: 12KB

.pdata Size: 7KB - Virtual size: 6KB

.00cfg Size: 512B - Virtual size: 16B

.tls Size: 512B - Virtual size: 17B

.rsrc Size: 512B - Virtual size: 488B

.reloc Size: 568KB - Virtual size: 572KB

.text
Size: 89KB - Virtual size: 88KB

.rdata
Size: 73KB - Virtual size: 72KB

.data
Size: 3KB - Virtual size: 12KB

.pdata
Size: 7KB - Virtual size: 6KB

.00cfg
Size: 512B - Virtual size: 16B

.tls
Size: 512B - Virtual size: 17B

.rsrc
Size: 512B - Virtual size: 488B

.reloc
Size: 568KB - Virtual size: 572KB