2024-03-09_31e21f232065827fd1d257f8740d66fb_ryuk

Sharing

Copy URL Twitter E-mail

General

Target

2024-03-09_31e21f232065827fd1d257f8740d66fb_ryuk
Size

435KB
MD5

31e21f232065827fd1d257f8740d66fb
SHA1

c57dfeb7622a4964cd1fb89baaa02220a736e052
SHA256

5cbf3951c9b10545eb6a84b7e2b8979376dea2fe8055e27f1cffb2238a0f19c7
SHA512

f9476c5b3132c78acbf3bdd5718047785cac8bd3a4759bd317ea9a243985d69785f8987c4d2d3168acccff460f399f2bf3709c46e79ee06d9208dd533cc0bebe
SSDEEP

12288:r2fsYTjW9Il62kiSo3J9/DWSPZG4yp8g3xPJ8HBsz1f:So9Il/kiSIz9ZG4yB3xPJ8HB+1f

Score

1^/10

Malware Config

Signatures

Files

2024-03-09_31e21f232065827fd1d257f8740d66fb_ryuk
.exe windows:5 windows x64 arch:x64

c27722ab6fb1aa6a264c69cbfec0eda4

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Not Before

21/12/2012, 00:00

Not After

30/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

Issuer

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Not Before

18/10/2012, 00:00

Not After

29/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services Signer - G4,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

Issuer

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

Not Before

22/10/2013, 12:00

Not After

22/10/2028, 12:00

Subject

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

08:7a:4c:9e:3f:3d:34:c7:61:9f:c2:a9:7b:d7:90:ee
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

20/07/2020, 00:00

Not After

11/08/2021, 12:00

Subject

CN=淮安成思科技有限公司,O=淮安成思科技有限公司,L=淮安市,ST=江苏省,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

Issuer

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

Not Before

22/10/2013, 12:00

Not After

22/10/2028, 12:00

Subject

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

08:7a:4c:9e:3f:3d:34:c7:61:9f:c2:a9:7b:d7:90:ee
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

20/07/2020, 00:00

Not After

11/08/2021, 12:00

Subject

CN=淮安成思科技有限公司,O=淮安成思科技有限公司,L=淮安市,ST=江苏省,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

Issuer

CN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

12/01/2016, 00:00

Not After

11/01/2031, 23:59

Subject

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

Issuer

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

23/12/2017, 00:00

Not After

22/03/2029, 23:59

Subject

CN=Symantec SHA256 TimeStamping Signer - G3,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

e8:c3:09:ca:9e:9d:69:38:21:c9:d2:c8:1e:1a:63:c8:7e:f6:a6:ea:3b:8a:a8:69:0a:36:d1:ae:e0:1a:92:da
Signer

Actual PE Digest

e8:c3:09:ca:9e:9d:69:38:21:c9:d2:c8:1e:1a:63:c8:7e:f6:a6:ea:3b:8a:a8:69:0a:36:d1:ae:e0:1a:92:da

Digest Algorithm

sha256

PE Digest Matches

true

73:0e:90:8c:23:6f:53:cd:2a:1c:3b:9f:30:7d:07:78:a1:52:54:0c
Signer

Actual PE Digest

73:0e:90:8c:23:6f:53:cd:2a:1c:3b:9f:30:7d:07:78:a1:52:54:0c

Digest Algorithm

sha1

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

Imports

shlwapi

PathFileExistsW

kernel32

CloseHandle
LoadLibraryW
CreateFileW
GetLastError
ReleaseMutex
CreateMutexW
WriteFile
FindClose
GetTempPathW
DeleteFileW
FindFirstFileW
FindNextFileW
CopyFileW
MoveFileExW
CreateDirectoryW
RemoveDirectoryW
GlobalAlloc
GlobalFree
LocalAlloc
LocalFree
OpenProcess
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
GetSystemDirectoryW
DecodePointer
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
GetProcessHeap
RaiseException
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
MultiByteToWideChar
WideCharToMultiByte
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
GetCurrentThreadId
SetUnhandledExceptionFilter
GetCurrentProcessId
GetCurrentProcess
GetProcAddress
FreeLibrary
WritePrivateProfileStringW
GetPrivateProfileStringW
GetModuleFileNameW
SetStdHandle
FlushFileBuffers
SetFilePointerEx
WriteConsoleW
TerminateProcess
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetOEMCP
IsValidCodePage
EncodePointer
SetLastError
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetModuleHandleW
LCMapStringW
GetStringTypeW
GetCPInfo
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
InitializeSListHead
OutputDebugStringW
RtlPcToFileHeader
RtlUnwindEx
LoadLibraryExW
ExitProcess
GetModuleHandleExW
GetStdHandle
GetACP
GetFileType
GetConsoleCP
GetConsoleMode
FindFirstFileExW

advapi32

ImpersonateLoggedOnUser
RegDeleteValueW
DuplicateTokenEx
LookupAccountSidW
SetSecurityDescriptorDacl
InitializeSecurityDescriptor
GetTokenInformation
OpenProcessToken
RevertToSelf
RegSetValueExW
RegQueryValueExW
RegOpenKeyExW
RegCreateKeyExW
RegCloseKey

shell32

SHGetFolderPathW
SHGetSpecialFolderPathW

Sections

.text
Size: 134KB - Virtual size: 134KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 82KB - Virtual size: 81KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 284B

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: 189KB - Virtual size: 189KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c27722ab6fb1aa6a264c69cbfec0eda4

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3bCertificate

Extended Key Usages

Key Usages

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50Certificate

Extended Key Usages

Key Usages

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08Certificate

Extended Key Usages

Key Usages

08:7a:4c:9e:3f:3d:34:c7:61:9f:c2:a9:7b:d7:90:eeCertificate

Extended Key Usages

Key Usages

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08Certificate

Extended Key Usages

Key Usages

08:7a:4c:9e:3f:3d:34:c7:61:9f:c2:a9:7b:d7:90:eeCertificate

Extended Key Usages

Key Usages

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate

Extended Key Usages

Key Usages

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12Certificate

Extended Key Usages

Key Usages

e8:c3:09:ca:9e:9d:69:38:21:c9:d2:c8:1e:1a:63:c8:7e:f6:a6:ea:3b:8a:a8:69:0a:36:d1:ae:e0:1a:92:daSigner

73:0e:90:8c:23:6f:53:cd:2a:1c:3b:9f:30:7d:07:78:a1:52:54:0cSigner

Headers

DLL Characteristics

File Characteristics

Imports

shlwapi

kernel32

advapi32

shell32

Sections

.text Size: 134KB - Virtual size: 134KB

.rdata Size: 82KB - Virtual size: 81KB

.data Size: 4KB - Virtual size: 11KB

.pdata Size: 7KB - Virtual size: 7KB

.gfids Size: 512B - Virtual size: 284B

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

.rsrc Size: 189KB - Virtual size: 189KB

.reloc Size: 3KB - Virtual size: 2KB

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

08:7a:4c:9e:3f:3d:34:c7:61:9f:c2:a9:7b:d7:90:ee
Certificate

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

08:7a:4c:9e:3f:3d:34:c7:61:9f:c2:a9:7b:d7:90:ee
Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

e8:c3:09:ca:9e:9d:69:38:21:c9:d2:c8:1e:1a:63:c8:7e:f6:a6:ea:3b:8a:a8:69:0a:36:d1:ae:e0:1a:92:da
Signer

73:0e:90:8c:23:6f:53:cd:2a:1c:3b:9f:30:7d:07:78:a1:52:54:0c
Signer

.text
Size: 134KB - Virtual size: 134KB

.rdata
Size: 82KB - Virtual size: 81KB

.data
Size: 4KB - Virtual size: 11KB

.pdata
Size: 7KB - Virtual size: 7KB

.gfids
Size: 512B - Virtual size: 284B

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

.rsrc
Size: 189KB - Virtual size: 189KB

.reloc
Size: 3KB - Virtual size: 2KB