2024-01-23_a3d904e630d82e7cd2a19df778151737_ryuk

Sharing

Copy URL Twitter E-mail

General

Target

2024-01-23_a3d904e630d82e7cd2a19df778151737_ryuk
Size

1.1MB
MD5

a3d904e630d82e7cd2a19df778151737
SHA1

7e43c001f36708cae2c5dc7ac0bc27cd9477b938
SHA256

484fb6ddd143dc4fd4da991f0afc8008f9ddc0bd6cc4e5bced63b3f540169ab8
SHA512

0fd4b53c92ebf8374345497200086e18eedef41e45d7304d900a95e6e1f75a679f7da399ce602ac937f0b2567bd0e77f54e8708e0489d976bd1987a69fbc2762
SSDEEP

24576:3+F4reEe9qT0V7vabjHcb/sr6r9uX4uMuPxuTJBkyz:bYW0VLejHcZrA4cxuTj7

Score

1^/10

Malware Config

Signatures

Files

2024-01-23_a3d904e630d82e7cd2a19df778151737_ryuk
.exe windows:6 windows x64 arch:x64

b93cac5e25788816eb95dd999b3862fe

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

56:ab:95:75:28:9c:a5:9f:0e:17:d4:0b:ea:05:c3:1f
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

04/10/2022, 17:21

Not After

01/01/2029, 00:00

Subject

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

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

33:00:00:01:09:5e:de:a2:12:7e:92:81:cc:00:00:00:00:01:09
Certificate

Issuer

CN=Microsoft Windows Third Party Component CA 2012,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

14/09/2023, 19:14

Not After

04/09/2024, 19:14

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

61:0b:aa:c1:00:00:00:00:00:09
Certificate

Issuer

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

Not Before

18/04/2012, 23:48

Not After

18/04/2027, 23:58

Subject

CN=Microsoft Windows Third Party Component CA 2012,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

ca:0c:ea:3f:4f:d5:c3:29:f0:03:ef:f7:f5:50:9d:d4:bb:d9:a2:fd:b5:45:81:5f:45:b4:f8:c5:2d:ab:ee:ac
Signer

Actual PE Digest

ca:0c:ea:3f:4f:d5:c3:29:f0:03:ef:f7:f5:50:9d:d4:bb:d9:a2:fd:b5:45:81:5f:45:b4:f8:c5:2d:ab:ee:ac

Digest Algorithm

sha256

PE Digest Matches

true

ca:0c:ea:3f:4f:d5:c3:29:f0:03:ef:f7:f5:50:9d:d4:bb:d9:a2:fd:b5:45:81:5f:45:b4:f8:c5:2d:ab:ee:ac
Signer

Actual PE Digest

ca:0c:ea:3f:4f:d5:c3:29:f0:03:ef:f7:f5:50:9d:d4:bb:d9:a2:fd:b5:45:81:5f:45:b4:f8:c5:2d:ab:ee:ac

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

Imports

kernel32

FileTimeToSystemTime
GetProcAddress
VerSetConditionMask
GetModuleHandleW
FreeLibrary
VerifyVersionInfoW
LoadLibraryExW
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
OutputDebugStringW
MultiByteToWideChar
WideCharToMultiByte
ReadFile
WriteFile
SetFilePointer
CreateFileA
GetSystemDirectoryW
lstrcmpA
GetFileAttributesW
CreateFileW
GetModuleFileNameW
GetFullPathNameW
SetLastError
GetModuleFileNameA
AllocConsole
GetConsoleWindow
GetCurrentProcessId
OutputDebugStringA
WriteConsoleA
GetStdHandle
SetConsoleTitleA
FormatMessageA
MoveFileExW
LocalFree
DeleteFileW
SetFileAttributesW
SetEndOfFile
WriteConsoleW
GetFileAttributesExW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
IsValidCodePage
LocalAlloc
FindClose
RemoveDirectoryW
FindNextFileW
FindFirstFileW
CloseHandle
SetEvent
GetLastError
Sleep
ReleaseMutex
WaitForSingleObject
CreateMutexA
LoadLibraryW
OpenEventA
FindNextFileA
FindFirstFileExA
GetProcessHeap
GetTimeZoneInformation
SetStdHandle
HeapSize
FlushFileBuffers
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetTimeFormatW
GetDateFormatW
GetConsoleCP
ReadConsoleW
GetConsoleMode
GetACP
GetCommandLineW
GetCommandLineA
HeapReAlloc
HeapFree
HeapAlloc
SetFilePointerEx
ExitThread
GetCurrentDirectoryW
SetEnvironmentVariableA
SystemTimeToTzSpecificLocalTime
GetFileInformationByHandle
GetDriveTypeW
CreateDirectoryW
GetModuleHandleExW
ExitProcess
RtlUnwindEx
RaiseException
RtlPcToFileHeader
CreateTimerQueue
UnregisterWaitEx
QueryDepthSList
InterlockedFlushSList
InitializeCriticalSectionEx
SleepEx
QueryPerformanceFrequency
GetSystemDirectoryA
GetModuleHandleA
LoadLibraryA
VerifyVersionInfoA
QueryPerformanceCounter
GetTickCount
WaitForSingleObjectEx
ExpandEnvironmentStringsA
GetFileType
PeekNamedPipe
WaitForMultipleObjects
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

shlwapi

PathFileExistsW

user32

GetWindowThreadProcessId

advapi32

SetEntriesInAclA
CryptImportKey
CryptDestroyKey
CryptDestroyHash
CryptHashData
CryptCreateHash
CryptGenRandom
CryptGetHashParam
CryptReleaseContext
RegQueryValueExW
RegOpenKeyExW
InitializeSecurityDescriptor
ConvertStringSidToSidW
CryptAcquireContextA
SetSecurityDescriptorDacl
CryptEncrypt
RegCloseKey
SetNamedSecurityInfoW
GetNamedSecurityInfoW

shell32

SHCreateDirectoryExW
SHGetKnownFolderPath

ole32

CoTaskMemFree

normaliz

IdnToAscii

crypt32

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

ws2_32

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

wldap32

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

Sections

.text
Size: 823KB - Virtual size: 822KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 262KB - Virtual size: 262KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 11KB - Virtual size: 101KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 40KB - 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

b93cac5e25788816eb95dd999b3862fe

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

56:ab:95:75:28:9c:a5:9f:0e:17:d4:0b:ea:05:c3:1fCertificate

Extended Key Usages

Key Usages

33:00:00:01:09:5e:de:a2:12:7e:92:81:cc:00:00:00:00:01:09Certificate

Extended Key Usages

61:0b:aa:c1:00:00:00:00:00:09Certificate

Key Usages

ca:0c:ea:3f:4f:d5:c3:29:f0:03:ef:f7:f5:50:9d:d4:bb:d9:a2:fd:b5:45:81:5f:45:b4:f8:c5:2d:ab:ee:acSigner

ca:0c:ea:3f:4f:d5:c3:29:f0:03:ef:f7:f5:50:9d:d4:bb:d9:a2:fd:b5:45:81:5f:45:b4:f8:c5:2d:ab:ee:acSigner

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

shlwapi

user32

advapi32

shell32

ole32

normaliz

crypt32

ws2_32

wldap32

Sections

.text Size: 823KB - Virtual size: 822KB

.rdata Size: 262KB - Virtual size: 262KB

.data Size: 11KB - Virtual size: 101KB

.pdata Size: 40KB - 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

56:ab:95:75:28:9c:a5:9f:0e:17:d4:0b:ea:05:c3:1f
Certificate

33:00:00:01:09:5e:de:a2:12:7e:92:81:cc:00:00:00:00:01:09
Certificate

61:0b:aa:c1:00:00:00:00:00:09
Certificate

ca:0c:ea:3f:4f:d5:c3:29:f0:03:ef:f7:f5:50:9d:d4:bb:d9:a2:fd:b5:45:81:5f:45:b4:f8:c5:2d:ab:ee:ac
Signer

ca:0c:ea:3f:4f:d5:c3:29:f0:03:ef:f7:f5:50:9d:d4:bb:d9:a2:fd:b5:45:81:5f:45:b4:f8:c5:2d:ab:ee:ac
Signer

.text
Size: 823KB - Virtual size: 822KB

.rdata
Size: 262KB - Virtual size: 262KB

.data
Size: 11KB - Virtual size: 101KB

.pdata
Size: 40KB - Virtual size: 39KB

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

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

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