2024-06-27_021cbcaabe1bcdea528db5f217f6d5e9_ryuk

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General

Target

2024-06-27_021cbcaabe1bcdea528db5f217f6d5e9_ryuk
Size

470KB
MD5

021cbcaabe1bcdea528db5f217f6d5e9
SHA1

46eca7a2644a43905cf7ec08ce5e671abfecfbef
SHA256

024ff107d6ebdb006b46618e8febde975ed6ffa2a758bd13b0ec3e581437f1e8
SHA512

5da32295e9262b514ae42eae73fbd078ad5a4c7d474e0a85e7c095c3d08e5f86a03eac1540c80e62d8b28799c6052f5401e5fbd63bd2d0c5a6a730193a1d1335
SSDEEP

12288:NmRfkDEvETcFDRpAutoEUFBNboNu8oNDm:+KLTcF1SuqLFBFIu8U6

Score

1^/10

Malware Config

Signatures

Files

2024-06-27_021cbcaabe1bcdea528db5f217f6d5e9_ryuk
.exe windows:5 windows x64 arch:x64

c5d358ee442ab292e201d68e545df451

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

03:28:02:88:6a:c2:2d:c8:7b:2f:b3:9c:14:d8:a2:e4
Certificate

Issuer

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

Not Before

14/09/2023, 00:00

Not After

01/11/2024, 23:59

Subject

SERIALNUMBER=23310837,CN=Trend Micro\, Inc.,O=Trend Micro\, Inc.,L=Da’an District,ST=Taipei City,C=TW,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13025457

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

14/07/2023, 00:00

Not After

13/10/2034, 23:59

Subject

CN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

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

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

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

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

7e:b4:c2:50:75:b8:76:66:d5:5f:6c:e0:82:50:4e:81:ac:19:e2:c5:55:37:2f:79:69:bc:ad:01:90:48:37:5d
Signer

Actual PE Digest

7e:b4:c2:50:75:b8:76:66:d5:5f:6c:e0:82:50:4e:81:ac:19:e2:c5:55:37:2f:79:69:bc:ad:01:90:48:37:5d

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_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

D:\actions-runner-dce\_work\DCE\DCE\DCE\src\TrendSystemCleaner\RegBootClean\x64\Release\RegBootClean64.pdb

Imports

version

GetFileVersionInfoW
VerQueryValueW
GetFileVersionInfoSizeW

kernel32

GetPrivateProfileStringW
Sleep
SetEndOfFile
FindClose
FindFirstFileW
DuplicateHandle
MapViewOfFile
UnmapViewOfFile
CreateFileMappingW
SetLastError
ExpandEnvironmentStringsW
FindNextFileW
RemoveDirectoryW
GetVersionExW
GetTickCount
GetProcessHeap
HeapFree
HeapAlloc
WaitForSingleObject
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSection
GetExitCodeProcess
WideCharToMultiByte
MultiByteToWideChar
GetFileAttributesW
GetCurrentProcessId
OpenProcess
GetFileSize
CreateFileW
WriteFile
ReadFile
CreateProcessW
GetWindowsDirectoryW
FreeConsole
DeleteFileW
SetErrorMode
GetModuleFileNameW
CloseHandle
GetLastError
GetCurrentProcess
FreeLibrary
LocalFree
GetProcAddress
HeapSize
LoadLibraryW
LocalAlloc
SetStdHandle
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
IsValidCodePage
FindFirstFileExW
EnumSystemLocalesW
WriteConsoleW
GetFullPathNameW
GetUserDefaultLCID
IsValidLocale
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
GetModuleHandleW
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
EncodePointer
DecodePointer
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
CompareStringW
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
RtlPcToFileHeader
RaiseException
RtlUnwindEx
LoadLibraryExW
QueryPerformanceFrequency
GetStdHandle
ExitProcess
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
GetACP
HeapReAlloc
SetFilePointerEx
GetConsoleMode
ReadConsoleW
GetFileType
FlushFileBuffers
GetConsoleCP

advapi32

RegQueryValueExW
AdjustTokenPrivileges
QueryServiceStatus
ControlService
OpenServiceW
CloseServiceHandle
OpenSCManagerW
SetSecurityDescriptorDacl
GetSecurityDescriptorDacl
RegGetKeySecurity
RegCloseKey
RegDeleteKeyExW
RegEnumKeyW
GetAclInformation
RegQueryInfoKeyW
GetAce
RegDeleteKeyW
SetNamedSecurityInfoW
GetNamedSecurityInfoW
GetSecurityDescriptorOwner
RegSetKeySecurity
RegSetValueExW
AddAce
InitializeSecurityDescriptor
InitializeAcl
RegOpenKeyExW
RegDeleteValueW
GetLengthSid
AddAccessAllowedAce
GetSecurityInfo
LookupPrivilegeValueW
OpenProcessToken

crypt32

CertGetNameStringW

setupapi

InstallHinfSectionW

Sections

.text
Size: 298KB - Virtual size: 298KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 128KB - Virtual size: 127KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 10KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 15KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 348B

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: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c5d358ee442ab292e201d68e545df451

Code Sign

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

Extended Key Usages

Key Usages

03:28:02:88:6a:c2:2d:c8:7b:2f:b3:9c:14:d8:a2:e4Certificate

Extended Key Usages

Key Usages

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

7e:b4:c2:50:75:b8:76:66:d5:5f:6c:e0:82:50:4e:81:ac:19:e2:c5:55:37:2f:79:69:bc:ad:01:90:48:37:5dSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

version

kernel32

advapi32

crypt32

setupapi

Sections

.text Size: 298KB - Virtual size: 298KB

.rdata Size: 128KB - Virtual size: 127KB

.data Size: 10KB - Virtual size: 16KB

.pdata Size: 15KB - Virtual size: 15KB

.gfids Size: 512B - Virtual size: 348B

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

.rsrc Size: 2KB - Virtual size: 1KB

.reloc Size: 4KB - Virtual size: 3KB

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

03:28:02:88:6a:c2:2d:c8:7b:2f:b3:9c:14:d8:a2:e4
Certificate

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

7e:b4:c2:50:75:b8:76:66:d5:5f:6c:e0:82:50:4e:81:ac:19:e2:c5:55:37:2f:79:69:bc:ad:01:90:48:37:5d
Signer

.text
Size: 298KB - Virtual size: 298KB

.rdata
Size: 128KB - Virtual size: 127KB

.data
Size: 10KB - Virtual size: 16KB

.pdata
Size: 15KB - Virtual size: 15KB

.gfids
Size: 512B - Virtual size: 348B

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

.rsrc
Size: 2KB - Virtual size: 1KB

.reloc
Size: 4KB - Virtual size: 3KB