C:\BuildAgent\work\3edc94783d8e5112\Tools\HighresBlender\bin\Release\HighresBlender64.pdb
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-07_1856b47afa0879a98bf34be334746ede_ryuk.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-06-07_1856b47afa0879a98bf34be334746ede_ryuk.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-06-07_1856b47afa0879a98bf34be334746ede_ryuk
-
Size
4.2MB
-
MD5
1856b47afa0879a98bf34be334746ede
-
SHA1
2b7dae2f9422ac3dab9f7ad4a50433e1b616a03f
-
SHA256
39afddc7c657987a9a4c6a29593484c9a6bf84225767c7a4eabc2a15431ebdd0
-
SHA512
0778c436d51f717cc682f9e358db5a7b82f8b332ea104bc21ea4eaa818f3690bdb48320d093c0e8539ecab340b84e5f28a07dc5ca323062c9e40615edde31128
-
SSDEEP
49152:MfRfVrbG4wtG5x/MDPHsDw0sJDyu6rKM58I2ZB/cB7LTNzK1GRC:yQ0i/+K1s
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-06-07_1856b47afa0879a98bf34be334746ede_ryuk
Files
-
2024-06-07_1856b47afa0879a98bf34be334746ede_ryuk.exe windows:6 windows x64 arch:x64
266452b25d49c6e821b28c1a57c27bbf
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
PDB Paths
Imports
kernel32
FindFirstFileW
FindNextFileW
FindClose
CreateFileW
UnmapViewOfFile
CloseHandle
GetSystemInfo
CreateFileMappingW
MapViewOfFile
CreateSemaphoreA
FormatMessageA
DuplicateHandle
WaitForSingleObjectEx
Sleep
GetCurrentProcess
GetCurrentThread
GetCurrentThreadId
GetExitCodeThread
GetNativeSystemInfo
MultiByteToWideChar
WideCharToMultiByte
GetStringTypeW
EnterCriticalSection
LeaveCriticalSection
TryEnterCriticalSection
DeleteCriticalSection
QueryPerformanceCounter
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetTickCount
GetModuleHandleW
GetProcAddress
EncodePointer
DecodePointer
CompareStringW
LCMapStringW
GetLocaleInfoW
GetCPInfo
SetEvent
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
GetCurrentProcessId
InitializeSListHead
CreateTimerQueue
GetLastError
SignalObjectAndWait
SwitchToThread
CreateThread
SetThreadPriority
GetThreadPriority
GetLogicalProcessorInformation
CreateTimerQueueTimer
ChangeTimerQueueTimer
DeleteTimerQueueTimer
GetNumaHighestNodeNumber
GetProcessAffinityMask
SetThreadAffinityMask
RegisterWaitForSingleObject
UnregisterWait
GetThreadTimes
FreeLibrary
FreeLibraryAndExitThread
GetModuleFileNameW
GetModuleHandleA
LoadLibraryExW
GetVersionExW
VirtualAlloc
VirtualFree
VirtualProtect
ReleaseSemaphore
InterlockedPopEntrySList
InterlockedPushEntrySList
InterlockedFlushSList
QueryDepthSList
UnregisterWaitEx
LoadLibraryW
WaitForSingleObject
RtlUnwindEx
RtlPcToFileHeader
RaiseException
ExitProcess
GetModuleHandleExW
ReadFile
HeapAlloc
HeapFree
ExitThread
HeapReAlloc
GetModuleFileNameA
GetStdHandle
WriteFile
GetCommandLineA
GetCommandLineW
GetACP
GetDateFormatW
GetTimeFormatW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
FlushFileBuffers
GetConsoleCP
GetConsoleMode
SetFilePointerEx
ReadConsoleW
GetProcessHeap
GetTimeZoneInformation
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
SetEnvironmentVariableW
SetStdHandle
WriteConsoleW
HeapSize
SetEndOfFile
DebugBreak
InitializeCriticalSection
LocalFree
shlwapi
PathFindExtensionW
Sections
.text Size: 1.4MB - Virtual size: 1.4MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1.4MB - Virtual size: 1.4MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1.3MB - Virtual size: 1.3MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 72KB - Virtual size: 71KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.tls Size: 512B - Virtual size: 9B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ