2024-05-31_338ffbb6d583c78ce669e7af77ed628f_ryuk

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General

Target

2024-05-31_338ffbb6d583c78ce669e7af77ed628f_ryuk
Size

150KB
MD5

338ffbb6d583c78ce669e7af77ed628f
SHA1

7d9fea46c7014e15c21570aa12fcdcf044f571af
SHA256

f56c6963ad8f0072b2cf85f1ba0b04f418dd2cae23e9fa6e635ba0041ae17536
SHA512

3049396d0a65cf342b71cb0fa36136ff7350d808a47e3699320640521ded47d9d2085a5c3b8e234949110058f338aace14bb09b6795571066e2d405a632987c5
SSDEEP

3072:DBqzu2vW21nZsZWBsTLYBE0GTLXrNfRanG4eb85bUrq+V:DALvW21ZscGAu/Npax4

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-31_338ffbb6d583c78ce669e7af77ed628f_ryuk

Files

2024-05-31_338ffbb6d583c78ce669e7af77ed628f_ryuk
.exe windows:6 windows x64 arch:x64

c584470ba31461f6db26fd953229627b

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\TestAUSHelper.pdb

Imports

kernel32

WriteFile
GetDriveTypeW
GetProcAddress
FreeLibrary
SetLastError
GetLastError
MoveFileExW
GetModuleFileNameW
Sleep
CloseHandle
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
DeleteFileW
MoveFileW
HeapReAlloc
SetEndOfFile
GetCurrentProcess
HeapSize
WriteConsoleW
GetTimeZoneInformation
FindNextFileW
FindFirstFileExW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlUnwindEx
RaiseException
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
GetFullPathNameW
SetEnvironmentVariableA
SetEnvironmentVariableW
SetCurrentDirectoryW
GetCurrentDirectoryW
GetFileAttributesExW
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
ReadFile
ExitProcess
GetModuleHandleExW
MultiByteToWideChar
WideCharToMultiByte
GetStdHandle
GetCommandLineA
GetCommandLineW
GetACP
HeapFree
HeapAlloc
GetStringTypeW
CompareStringW
LCMapStringW
GetConsoleMode
ReadConsoleW
SetStdHandle
SetFilePointerEx
FlushFileBuffers
GetConsoleCP
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetProcessHeap
FindClose
CreateFileW

advapi32

SystemFunction036
QueryServiceStatusEx
OpenServiceW
OpenSCManagerA
CloseServiceHandle

wintrust

WinVerifyTrust

Sections

.text
Size: 94KB - Virtual size: 93KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 43KB - Virtual size: 43KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 172B

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

c584470ba31461f6db26fd953229627b

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

advapi32

wintrust

Sections

.text Size: 94KB - Virtual size: 93KB

.rdata Size: 43KB - Virtual size: 43KB

.data Size: 3KB - Virtual size: 9KB

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

.gfids Size: 512B - Virtual size: 172B

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

.text
Size: 94KB - Virtual size: 93KB

.rdata
Size: 43KB - Virtual size: 43KB

.data
Size: 3KB - Virtual size: 9KB

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

.gfids
Size: 512B - Virtual size: 172B

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