2024-04-24_c15cc4df45e65751a584c6fdae415450_ryuk

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General

Target

2024-04-24_c15cc4df45e65751a584c6fdae415450_ryuk
Size

464KB
MD5

c15cc4df45e65751a584c6fdae415450
SHA1

1fe661413c6d628e242db388177b383743e5c132
SHA256

199dbb7db8cc1a8539aff2fed2af13ec9f517b301a25005ddcfdaa72f26937a3
SHA512

236b2fc30d3e6fbc55ae142453918bc6d6f90163a5e72508b96d7a8915ea602a94875e79bdb870dfece6e59d3f5d49e7a02a60dde8bffcd970ff373f01cb26dd
SSDEEP

12288:5cQH0so2os9KTWWtNFBH+376eO7unPF8obvP:dCh9NFBer62PGwH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-24_c15cc4df45e65751a584c6fdae415450_ryuk

Files

2024-04-24_c15cc4df45e65751a584c6fdae415450_ryuk
.exe windows:5 windows x64 arch:x64

c1d5f30bd1d3322329f9d0d437f38e54

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:\b\build\slave\Win_x64\build\src\out\Release_x64\crash_service.exe.pdb

Imports

advapi32

SystemFunction036
RegCloseKey
RegCreateKeyExW
RegOpenKeyExW
RegQueryValueExW
GetSecurityDescriptorSacl
ConvertStringSecurityDescriptorToSecurityDescriptorW

wininet

InternetReadFile
InternetConnectW
InternetCloseHandle
InternetOpenW
InternetQueryDataAvailable
InternetSetOptionW
HttpOpenRequestW
HttpSendRequestW
HttpQueryInfoW
HttpAddRequestHeadersW
InternetCrackUrlW

kernel32

GetUserDefaultUILanguage
FindResourceW
SizeofResource
LockResource
LoadResource
HeapSize
OutputDebugStringW
GetCommandLineA
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
CreateFileW
DeleteFileW
WriteFile
OutputDebugStringA
CloseHandle
GetLastError
SetLastError
GetCurrentProcessId
GetTickCount
GetModuleFileNameW
GetCommandLineW
LocalFree
GetCurrentDirectoryW
CreateDirectoryW
GetFileAttributesW
ReadFile
RemoveDirectoryW
SetFileAttributesW
GetTempPathW
GetCurrentProcess
CopyFileW
MoveFileExW
IsDebuggerPresent
RtlCaptureStackBackTrace
SetUnhandledExceptionFilter
DuplicateHandle
RaiseException
Sleep
GetCurrentThreadId
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
QueryPerformanceCounter
GetSystemTimeAsFileTime
GetModuleHandleW
FlushFileBuffers
SetEndOfFile
SetFilePointerEx
FindClose
FindFirstFileW
FindFirstFileExW
FindNextFileW
GetSystemDirectoryW
GetWindowsDirectoryW
GetModuleHandleExW
GetVersionExW
GetNativeSystemInfo
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
ExpandEnvironmentStringsW
CreateEventW
UnregisterWaitEx
RegisterWaitForSingleObject
VirtualQuery
SetEvent
ResetEvent
QueueUserWorkItem
LoadLibraryW
GetProcessTimes
GetSystemInfo
OpenProcess
ReadProcessMemory
UnregisterWait
ConnectNamedPipe
DisconnectNamedPipe
CreateNamedPipeW
GetOverlappedResult
InitializeCriticalSection
ReleaseMutex
CreateMutexW
FreeLibrary
GetSystemTime
MultiByteToWideChar
WideCharToMultiByte
IsValidCodePage
GetProcessHeap
ReadConsoleW
GetDriveTypeW
WriteConsoleW
GetTimeZoneInformation
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetACP
GetStdHandle
HeapReAlloc
HeapFree
HeapAlloc
ExitProcess
GetFileType
SetStdHandle
GetFullPathNameW
GetConsoleMode
GetProcAddress
GetConsoleCP
LoadLibraryExW
VirtualProtect
LoadLibraryExA
GetStringTypeW
EncodePointer
DecodePointer
CompareStringW
LCMapStringW
GetLocaleInfoW
GetCPInfo
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
TerminateProcess
InitializeSListHead
RtlUnwindEx
RtlPcToFileHeader

ole32

CoTaskMemFree

user32

CreateWindowExW
RegisterClassExW
PostQuitMessage
DefWindowProcW
DispatchMessageW
TranslateMessage
GetMessageW
UpdateWindow
PostMessageW

Exports

Exports

GetHandleVerifier

Sections

.text
Size: 331KB - Virtual size: 331KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 99KB - Virtual size: 99KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 20KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 1024B - Virtual size: 856B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 2B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1024B - Virtual size: 920B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c1d5f30bd1d3322329f9d0d437f38e54

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

wininet

kernel32

ole32

user32

Exports

Exports

Sections

.text Size: 331KB - Virtual size: 331KB

.rdata Size: 99KB - Virtual size: 99KB

.data Size: 5KB - Virtual size: 17KB

.pdata Size: 20KB - Virtual size: 20KB

.gfids Size: 1024B - Virtual size: 856B

.tls Size: 512B - Virtual size: 2B

.rsrc Size: 1024B - Virtual size: 920B

.reloc Size: 4KB - Virtual size: 3KB

.text
Size: 331KB - Virtual size: 331KB

.rdata
Size: 99KB - Virtual size: 99KB

.data
Size: 5KB - Virtual size: 17KB

.pdata
Size: 20KB - Virtual size: 20KB

.gfids
Size: 1024B - Virtual size: 856B

.tls
Size: 512B - Virtual size: 2B

.rsrc
Size: 1024B - Virtual size: 920B

.reloc
Size: 4KB - Virtual size: 3KB