2024-05-04_9b52589e935a0d66952ff96ef9ad544e_ryuk

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General

Target

2024-05-04_9b52589e935a0d66952ff96ef9ad544e_ryuk
Size

1.9MB
MD5

9b52589e935a0d66952ff96ef9ad544e
SHA1

23af79d32c0041058f68fafe8083e488fd79a1b1
SHA256

6cee7595e64cab0ef6befc41000c4b0a21ffd911ad065383e3a97b66c5bde3be
SHA512

d3dcc35168feca244c111b44607251b22144747889b0c9c49ec116cae53faa03fb0ebab2f82126d24215fbf9a1ff64220d8a0e1688babe779038a7ecfbf2c3da
SSDEEP

49152:iDkJVwH8w1hX3+XD+hQ/wBTTY5wDmg27RnWGj:1O7HEWEED527BWG

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-04_9b52589e935a0d66952ff96ef9ad544e_ryuk

Files

2024-05-04_9b52589e935a0d66952ff96ef9ad544e_ryuk
.exe windows:6 windows x64 arch:x64

86c3811563f72c2ca6b1710b367a1bbe

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

C:\dvs\p4\build\sw\devrel\Playpen\yyao\VRBench\VR-FCAT\FVSDK_rel_1_0\Symbols\nvrla.pdb

Imports

kernel32

GetCurrentProcessId
VerifyVersionInfoW
QueryPerformanceCounter
AllocConsole
CreateFileW
CreateDirectoryW
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
FreeLibrary
GetProcAddress
GetFileAttributesW
GetFullPathNameW
SetLastError
GetSystemDirectoryW
GetModuleFileNameW
GetModuleHandleW
LoadLibraryExW
FileTimeToSystemTime
VerSetConditionMask
WriteConsoleW
HeapSize
DeleteFileW
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
GetTimeZoneInformation
GetProcessHeap
GetCurrentDirectoryW
SetEndOfFile
SetStdHandle
GetFileAttributesExW
FlushFileBuffers
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
LocalFree
ResetEvent
CloseHandle
SetEvent
AttachConsole
GetLastError
CreateEventW
LocalAlloc
WaitForSingleObject
WaitForMultipleObjects
SetConsoleTitleA
GetCommandLineW
SetDefaultDllDirectories
GetModuleFileNameA
Sleep
OutputDebugStringA
GetTimeFormatW
GetDateFormatW
GetConsoleCP
ReadConsoleW
GetConsoleMode
WriteFile
HeapReAlloc
HeapFree
HeapAlloc
SetFilePointerEx
ExitThread
SystemTimeToTzSpecificLocalTime
GetFileInformationByHandle
GetDriveTypeW
SetConsoleCtrlHandler
GetModuleHandleExW
ExitProcess
RtlUnwindEx
RtlPcToFileHeader
LoadLibraryW
UnregisterWaitEx
QueryDepthSList
InterlockedFlushSList
InterlockedPushEntrySList
InterlockedPopEntrySList
ReleaseSemaphore
VirtualFree
VirtualAlloc
GetVersionExW
FreeLibraryAndExitThread
GetThreadTimes
UnregisterWait
RegisterWaitForSingleObject
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
FormatMessageW
InitializeCriticalSectionEx
DeleteCriticalSection
SleepEx
QueryPerformanceFrequency
GetSystemDirectoryA
GetModuleHandleA
LoadLibraryA
GetTickCount
MultiByteToWideChar
WideCharToMultiByte
MoveFileExA
WaitForSingleObjectEx
GetEnvironmentVariableA
GetStdHandle
GetFileType
ReadFile
PeekNamedPipe
CreateFileA
GetFileSizeEx
RaiseException
GetSystemInfo
VirtualProtect
VirtualQuery
LoadLibraryExA
TryEnterCriticalSection
GetCurrentThreadId
DuplicateHandle
GetCurrentProcess
GetCurrentThread
GetExitCodeThread
GetStringTypeW
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
EncodePointer
DecodePointer
CompareStringW
LCMapStringW
GetLocaleInfoW
GetCPInfo
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
InitializeSListHead
CreateTimerQueue
SignalObjectAndWait
SwitchToThread
CreateThread
SetThreadPriority
GetThreadPriority
GetLogicalProcessorInformation
CreateTimerQueueTimer
ChangeTimerQueueTimer
DeleteTimerQueueTimer
GetNumaHighestNodeNumber
GetProcessAffinityMask
SetThreadAffinityMask

ole32

CoTaskMemFree

normaliz

IdnToAscii

wldap32

ord143
ord46
ord211
ord60
ord45
ord50
ord41
ord22
ord26
ord27
ord32
ord33
ord35
ord79
ord30
ord200
ord301
ord217

crypt32

CertGetCertificateChain
CertFreeCertificateChainEngine
CertCreateCertificateChainEngine
CryptQueryObject
CertGetNameStringA
CertFindExtension
CertAddCertificateContextToStore
CryptDecodeObjectEx
PFXImportCertStore
CryptStringToBinaryA
CertFreeCertificateContext
CertFindCertificateInStore
CertEnumCertificatesInStore
CertCloseStore
CertOpenStore
CertFreeCertificateChain

ws2_32

connect
bind
recv
WSAGetLastError
closesocket
WSAWaitForMultipleEvents
getpeername
WSAResetEvent
WSAEventSelect
WSAEnumNetworkEvents
WSACreateEvent
WSACloseEvent
send
getsockname
getsockopt
htons
ntohs
setsockopt
socket
WSASetLastError
WSAIoctl
WSAStartup
WSACleanup
__WSAFDIsSet
select
accept
htonl
listen
getaddrinfo
freeaddrinfo
sendto
recvfrom
ioctlsocket
gethostname

Sections

.text
Size: 1020KB - Virtual size: 1020KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 307KB - Virtual size: 306KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 17KB - Virtual size: 49KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 50KB - Virtual size: 49KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 572KB - Virtual size: 576KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

86c3811563f72c2ca6b1710b367a1bbe

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

ole32

normaliz

wldap32

crypt32

ws2_32

Sections

.text Size: 1020KB - Virtual size: 1020KB

.rdata Size: 307KB - Virtual size: 306KB

.data Size: 17KB - Virtual size: 49KB

.pdata Size: 50KB - Virtual size: 49KB

.didat Size: 512B - Virtual size: 480B

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 572KB - Virtual size: 576KB

.text
Size: 1020KB - Virtual size: 1020KB

.rdata
Size: 307KB - Virtual size: 306KB

.data
Size: 17KB - Virtual size: 49KB

.pdata
Size: 50KB - Virtual size: 49KB

.didat
Size: 512B - Virtual size: 480B

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 572KB - Virtual size: 576KB