2024-04-19_31c24364750293c417123a505688b4ee_ryuk

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General

Target

2024-04-19_31c24364750293c417123a505688b4ee_ryuk
Size

139KB
MD5

31c24364750293c417123a505688b4ee
SHA1

ab1f5a73a5f9a6cb800162e1f68b4d43eb9f8250
SHA256

bca55468733bf312bede3e5c137fb00f1cc47898b87c95acfa4f852b822feca6
SHA512

0c47db19672fd3c24653c7256386f6912d85eb26898696963514d5e3432097967964db0bf93ae5710e21b587dda516751ab6e0c5c413700567b3e0856e310f02
SSDEEP

3072:btFm6qzyaPlA5RmcPR2ftAlZoWHlLuHuJ3gR:ZrqWAlGmCWg+WFg

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-19_31c24364750293c417123a505688b4ee_ryuk

Files

2024-04-19_31c24364750293c417123a505688b4ee_ryuk
.exe windows:6 windows x64 arch:x64

d15dd689850a8bcb29f934a1e5422f2e

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:\builds\moz2_slave\m-in-w64-000000000000000000000\build\src\obj-firefox\toolkit\mozapps\update\tests\TestAUSReadStrings.pdb

Imports

kernel32

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

advapi32

SystemFunction036

Sections

.text
Size: 84KB - Virtual size: 84KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 42KB - Virtual size: 42KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 196B

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

d15dd689850a8bcb29f934a1e5422f2e

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

advapi32

Sections

.text Size: 84KB - Virtual size: 84KB

.rdata Size: 42KB - Virtual size: 42KB

.data Size: 3KB - Virtual size: 7KB

.pdata Size: 5KB - Virtual size: 4KB

.gfids Size: 512B - Virtual size: 196B

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

.text
Size: 84KB - Virtual size: 84KB

.rdata
Size: 42KB - Virtual size: 42KB

.data
Size: 3KB - Virtual size: 7KB

.pdata
Size: 5KB - Virtual size: 4KB

.gfids
Size: 512B - Virtual size: 196B

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