2024-06-15_b0453230aca13ff939895f1321571f4c_ryuk

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General

Target

2024-06-15_b0453230aca13ff939895f1321571f4c_ryuk
Size

1.1MB
MD5

b0453230aca13ff939895f1321571f4c
SHA1

4470944607ce033973beb53b1eeb01c8409b1fa7
SHA256

260efd1b1648b4816aa0c357ebf4986eb12e57fd6be74423b30f0442172e8ac0
SHA512

74af39ceeb9c2263d87a6ff0e255c713094e96c32dadb365a4b9140715d1856d5af1081e8477417812faef19f1c00093f03c18d112567c33a6359bc58d271be3
SSDEEP

24576:6jRLTd8dBW+YphPXMsauLOqhV+nfRNMbj5On3HRYua/TTZf0eG:6jLwW/pNXeRTMZOnda/T1f0eG

Score

1^/10

Malware Config

Signatures

Files

2024-06-15_b0453230aca13ff939895f1321571f4c_ryuk
.exe windows:6 windows x64 arch:x64

79e9d4c9fc46b089192f6826bcac59ea

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0d:01:94:cd:1e:31:42:20:51:35:d1:c6:36:e4:e9:ba
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

18/10/2022, 00:00

Not After

15/10/2025, 23:59

Subject

CN=NVIDIA Corporation,OU=1-F,O=NVIDIA Corporation,L=Santa Clara,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

38:63:de:f8
Certificate

Issuer

CN=Entrust.net Certification Authority (2048),OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)+OU=(c) 1999 Entrust.net Limited,O=Entrust.net

Not Before

24/12/1999, 17:50

Not After

24/07/2029, 14:15

Subject

CN=Entrust.net Certification Authority (2048),OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)+OU=(c) 1999 Entrust.net Limited,O=Entrust.net

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

58:da:13:ff:00:00:00:00:51:ce:0d:f7
Certificate

Issuer

CN=Entrust.net Certification Authority (2048),OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)+OU=(c) 1999 Entrust.net Limited,O=Entrust.net

Not Before

22/07/2015, 19:02

Not After

22/06/2029, 19:32

Subject

CN=Entrust Timestamping CA - TS1,OU=See www.entrust.net/legal-terms+OU=(c) 2015 Entrust\, Inc. - for authorized use only,O=Entrust\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

07:d7:13:53:da:25:61:b4:61:e9:90:47:8a:4c:ce:04
Certificate

Issuer

CN=Entrust Timestamping CA - TS1,OU=See www.entrust.net/legal-terms+OU=(c) 2015 Entrust\, Inc. - for authorized use only,O=Entrust\, Inc.,C=US

Not Before

19/01/2024, 16:46

Not After

01/06/2029, 00:00

Subject

CN=Entrust Timestamp Authority - TSA1,O=Entrust\, Inc.,L=Ottawa,ST=Ontario,C=CA

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

33:00:00:00:69:9d:42:c9:76:75:b5:08:82:00:00:00:00:00:69
Certificate

Issuer

CN=Microsoft Windows Third Party Component CA 2014,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

11/01/2024, 20:09

Not After

10/01/2025, 20:09

Subject

CN=Microsoft Windows Hardware Compatibility Publisher,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

33:00:00:00:0d:69:0d:5d:78:93:d0:76:df:00:00:00:00:00:0d
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

15/10/2014, 20:31

Not After

15/10/2029, 20:41

Subject

CN=Microsoft Windows Third Party Component CA 2014,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

2e:27:8b:63:e2:e0:c0:ac:75:55:ad:9f:c5:20:42:b1:1c:1e:59:e2:57:2a:7e:c6:d3:bb:67:ac:f5:a1:20:da
Signer

Actual PE Digest

2e:27:8b:63:e2:e0:c0:ac:75:55:ad:9f:c5:20:42:b1:1c:1e:59:e2:57:2a:7e:c6:d3:bb:67:ac:f5:a1:20:da

Digest Algorithm

sha256

PE Digest Matches

true

2e:27:8b:63:e2:e0:c0:ac:75:55:ad:9f:c5:20:42:b1:1c:1e:59:e2:57:2a:7e:c6:d3:bb:67:ac:f5:a1:20:da
Signer

Actual PE Digest

2e:27:8b:63:e2:e0:c0:ac:75:55:ad:9f:c5:20:42:b1:1c:1e:59:e2:57:2a:7e:c6:d3:bb:67:ac:f5:a1:20:da

Digest Algorithm

sha256

PE Digest Matches

true

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

C:\dvs\p4\build\sw\rel\gpu_drv\r550\VK551_06\drivers\ngx\updater\_out\wddm_amd64_release\nvngx_update.pdb

Imports

kernel32

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

shlwapi

PathFileExistsW

user32

GetWindowThreadProcessId

advapi32

CryptHashData
CryptCreateHash
CryptGetHashParam
CryptReleaseContext
CryptAcquireContextA
RegQueryValueExW
RegOpenKeyExW
InitializeSecurityDescriptor
ConvertStringSidToSidW
GetNamedSecurityInfoW
SetNamedSecurityInfoW
RegCloseKey
SetEntriesInAclA
SetSecurityDescriptorDacl
CryptDestroyHash

shell32

SHGetKnownFolderPath
SHCreateDirectoryExW

ole32

CoTaskMemFree

bcrypt

BCryptGenRandom

normaliz

IdnToAscii

crypt32

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

ws2_32

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

Sections

.text
Size: 780KB - Virtual size: 780KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 253KB - Virtual size: 252KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 12KB - Virtual size: 102KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 39KB - Virtual size: 39KB

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: 1024B - Virtual size: 888B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

79e9d4c9fc46b089192f6826bcac59ea

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

0d:01:94:cd:1e:31:42:20:51:35:d1:c6:36:e4:e9:baCertificate

Extended Key Usages

Key Usages

38:63:de:f8Certificate

Key Usages

58:da:13:ff:00:00:00:00:51:ce:0d:f7Certificate

Extended Key Usages

Key Usages

07:d7:13:53:da:25:61:b4:61:e9:90:47:8a:4c:ce:04Certificate

Extended Key Usages

Key Usages

33:00:00:00:69:9d:42:c9:76:75:b5:08:82:00:00:00:00:00:69Certificate

Extended Key Usages

33:00:00:00:0d:69:0d:5d:78:93:d0:76:df:00:00:00:00:00:0dCertificate

Key Usages

2e:27:8b:63:e2:e0:c0:ac:75:55:ad:9f:c5:20:42:b1:1c:1e:59:e2:57:2a:7e:c6:d3:bb:67:ac:f5:a1:20:daSigner

2e:27:8b:63:e2:e0:c0:ac:75:55:ad:9f:c5:20:42:b1:1c:1e:59:e2:57:2a:7e:c6:d3:bb:67:ac:f5:a1:20:daSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

shlwapi

user32

advapi32

shell32

ole32

bcrypt

normaliz

crypt32

ws2_32

Sections

.text Size: 780KB - Virtual size: 780KB

.rdata Size: 253KB - Virtual size: 252KB

.data Size: 12KB - Virtual size: 102KB

.pdata Size: 39KB - Virtual size: 39KB

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

.rsrc Size: 1024B - Virtual size: 888B

.reloc Size: 6KB - Virtual size: 5KB

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

0d:01:94:cd:1e:31:42:20:51:35:d1:c6:36:e4:e9:ba
Certificate

38:63:de:f8
Certificate

58:da:13:ff:00:00:00:00:51:ce:0d:f7
Certificate

07:d7:13:53:da:25:61:b4:61:e9:90:47:8a:4c:ce:04
Certificate

33:00:00:00:69:9d:42:c9:76:75:b5:08:82:00:00:00:00:00:69
Certificate

33:00:00:00:0d:69:0d:5d:78:93:d0:76:df:00:00:00:00:00:0d
Certificate

2e:27:8b:63:e2:e0:c0:ac:75:55:ad:9f:c5:20:42:b1:1c:1e:59:e2:57:2a:7e:c6:d3:bb:67:ac:f5:a1:20:da
Signer

2e:27:8b:63:e2:e0:c0:ac:75:55:ad:9f:c5:20:42:b1:1c:1e:59:e2:57:2a:7e:c6:d3:bb:67:ac:f5:a1:20:da
Signer

.text
Size: 780KB - Virtual size: 780KB

.rdata
Size: 253KB - Virtual size: 252KB

.data
Size: 12KB - Virtual size: 102KB

.pdata
Size: 39KB - Virtual size: 39KB

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

.rsrc
Size: 1024B - Virtual size: 888B

.reloc
Size: 6KB - Virtual size: 5KB