2024-03-12_fe7c6b4d53c8dc2e1ec063b63b041666_ryuk

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General

Target

2024-03-12_fe7c6b4d53c8dc2e1ec063b63b041666_ryuk
Size

868KB
MD5

fe7c6b4d53c8dc2e1ec063b63b041666
SHA1

0e33ded85b49e5fb54292c066a31a70fed70ae92
SHA256

ec68d9e66d18ecd5476c6a0baa167de6cbd90313655cc531c8edbc138d0b5b3b
SHA512

8552fcdc0878b4d17e36505d05dfb458ce2ab9b010cc4ab545db88d1a9d9419f67906cfa64079fb7a5c0eb32fb03cfd7ec5a1465353fc8a8a623aab9fd537b73
SSDEEP

24576:JBYFiLmR4rDTeQSt2rR8FfBhRJUEbDk1ulUf:vYFiLaOT9St2r4PRSEk1ul

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-12_fe7c6b4d53c8dc2e1ec063b63b041666_ryuk

Files

2024-03-12_fe7c6b4d53c8dc2e1ec063b63b041666_ryuk
.exe windows:6 windows x64 arch:x64

d1a5f9ef6780403d05223883df8f0a28

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/crash_reporter.pdb

Imports

shell32

CommandLineToArgvW

wininet

HttpOpenRequestW
HttpQueryInfoW
HttpSendRequestW
InternetCloseHandle
InternetConnectW
InternetOpenW
InternetReadFile

kernel32

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

Sections

.text
Size: 197KB - Virtual size: 196KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 88KB - Virtual size: 87KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

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

d1a5f9ef6780403d05223883df8f0a28

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

shell32

wininet

kernel32

Sections

.text Size: 197KB - Virtual size: 196KB

.rdata Size: 88KB - Virtual size: 87KB

.data Size: 4KB - Virtual size: 12KB

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

.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: 197KB - Virtual size: 196KB

.rdata
Size: 88KB - Virtual size: 87KB

.data
Size: 4KB - Virtual size: 12KB

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

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

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

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

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