2024-06-12_b668609faf47dffddd4bf74cd3ac47fc_ryuk

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General

Target

2024-06-12_b668609faf47dffddd4bf74cd3ac47fc_ryuk
Size

1.2MB
MD5

b668609faf47dffddd4bf74cd3ac47fc
SHA1

5b5d406db1735498afd417ee66ffbf0fc73bbf07
SHA256

0fdb558c626d67d50360863969811b70d4fea91ce846d90b5334f94c583056f0
SHA512

88a8a9d5ff3b5146c26a2667c420a989cc904aadbf851659a065eccf2a6cb87c7004dae021da7dbe1dff375124d1c88a513bf28c15920156a5df2d96a46cca77
SSDEEP

24576:wbGrRrWCKOuFv6dXfw1Lxxuo8lf2IDCQww88uLXm/+WPe5N+L3TezcEocK:jrCOuFefwfxuo8lf2ImSvQm/+WPe/+rp

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-12_b668609faf47dffddd4bf74cd3ac47fc_ryuk

Files

2024-06-12_b668609faf47dffddd4bf74cd3ac47fc_ryuk
.exe windows:6 windows x64 arch:x64

5eecf69c888582629c079d2d61481327

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:\tmp\tmp_build\yoctoprod\tools\VirtualHub\windows\obj\amd64VirtualHub.pdb

Imports

kernel32

TlsSetValue
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
WaitForSingleObject
SetEvent
TerminateThread
TryEnterCriticalSection
CreateThread
ResetEvent
DeleteCriticalSection
TlsGetValue
GetCurrentProcess
GetComputerNameA
SetConsoleCtrlHandler
CreateEventA
FormatMessageA
CreateMailslotA
GetProcAddress
GetOverlappedResult
CloseHandle
LoadLibraryA
CreateFileA
GetLastError
WaitForMultipleObjects
WriteFile
CancelIo
ReadFile
GetSystemTime
SystemTimeToFileTime
GetTickCount
QueryPerformanceCounter
QueryPerformanceFrequency
Sleep
TlsAlloc
GetModuleFileNameA
RtlPcToFileHeader
RaiseException
SetEndOfFile
WriteConsoleW
HeapReAlloc
HeapSize
CreateFileW
FlushFileBuffers
GetProcessHeap
GetStringTypeW
SetStdHandle
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
GetCurrentDirectoryW
ReadConsoleW
MultiByteToWideChar
EncodePointer
GetTimeZoneInformation
WideCharToMultiByte
SetFilePointerEx
GetFileSizeEx
GetConsoleMode
GetConsoleOutputCP
GetFileType
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
SetLastError
InitializeCriticalSectionAndSpinCount
TlsFree
FreeLibrary
LoadLibraryExW
ExitProcess
GetModuleHandleExW
GetDriveTypeW
GetFullPathNameW
GetStdHandle
GetModuleFileNameW
GetCommandLineA
GetCommandLineW
HeapFree
HeapAlloc
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW

advapi32

CreateServiceA
RegCloseKey
StartServiceCtrlDispatcherA
CloseServiceHandle
RegQueryValueExA
SetServiceStatus
OpenSCManagerA
RegisterServiceCtrlHandlerExA
DeleteService
ControlService
StartServiceA
ReportEventA
RegOpenKeyExA
ChangeServiceConfig2A
OpenServiceA
RegisterEventSourceA
AdjustTokenPrivileges
LookupPrivilegeValueA
InitiateSystemShutdownA
OpenProcessToken
DeregisterEventSource

setupapi

SetupDiDestroyDeviceInfoList
SetupDiGetClassDevsA
SetupDiGetDeviceInterfaceDetailA
SetupDiEnumDeviceInfo
SetupDiGetDeviceRegistryPropertyA
SetupDiEnumDeviceInterfaces

ws2_32

htonl
WSACleanup
__WSAFDIsSet
bind
closesocket
select
getaddrinfo
WSAStartup
inet_addr
getsockname
send
recvfrom
connect
WSASocketA
recv
getsockopt
htons
freeaddrinfo
sendto
ioctlsocket
setsockopt
WSAGetLastError
ntohl
ntohs
getpeername
gethostname
listen
accept
socket
WSAIoctl

Sections

.text
Size: 442KB - Virtual size: 442KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 639KB - Virtual size: 638KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 8.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 19KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 200B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gehcont
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 92KB - Virtual size: 92KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

5eecf69c888582629c079d2d61481327

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

advapi32

setupapi

ws2_32

Sections

.text Size: 442KB - Virtual size: 442KB

.rdata Size: 639KB - Virtual size: 638KB

.data Size: 4KB - Virtual size: 8.5MB

.pdata Size: 19KB - Virtual size: 18KB

.gfids Size: 512B - Virtual size: 200B

.gehcont Size: 512B - Virtual size: 16B

.rsrc Size: 92KB - Virtual size: 92KB

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

.text
Size: 442KB - Virtual size: 442KB

.rdata
Size: 639KB - Virtual size: 638KB

.data
Size: 4KB - Virtual size: 8.5MB

.pdata
Size: 19KB - Virtual size: 18KB

.gfids
Size: 512B - Virtual size: 200B

.gehcont
Size: 512B - Virtual size: 16B

.rsrc
Size: 92KB - Virtual size: 92KB

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