2024-04-27_8b9a73a48ce91a0efbeaabdb4e07b6a4_ryuk

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General

Target

2024-04-27_8b9a73a48ce91a0efbeaabdb4e07b6a4_ryuk
Size

139KB
MD5

8b9a73a48ce91a0efbeaabdb4e07b6a4
SHA1

e3e028aec983376743774d372da43755ed0916b5
SHA256

58dc8691b4c59fc64e833b2bbeced657f0e86507e09b1b5e6b682b548fddfb52
SHA512

b9d53d1960759e17863bcfac0d15fc7ff3af1ac1f96e650e2b263844abac8e02599e0d530306bf513a55d785bd1f1def60f102100e633d23be229f22688ca4b8
SSDEEP

3072:v1pKbPy2edlzaKJkgjl/dHLLLkjHiKTGKD6a:qbq9dhLJpLH+v

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-27_8b9a73a48ce91a0efbeaabdb4e07b6a4_ryuk

Files

2024-04-27_8b9a73a48ce91a0efbeaabdb4e07b6a4_ryuk
.exe windows:6 windows x64 arch:x64

1c4c8d2541f41392a8fe6b67a6369c5e

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-aurora-w64-00000000000000000\build\src\obj-firefox\toolkit\mozapps\update\tests\TestAUSReadStrings.pdb

Imports

kernel32

CreateFileW
WriteFile
GetProcAddress
CloseHandle
GetCurrentProcess
SetLastError
GetLastError
HeapReAlloc
FreeLibrary
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
SetFilePointerEx
GetConsoleMode
ReadConsoleW
FlushFileBuffers
GetConsoleCP
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
GetProcessHeap

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

1c4c8d2541f41392a8fe6b67a6369c5e

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