2024-01-25_3a55792591955a68c8ee349a1b5ded3d_ryuk

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General

Target

2024-01-25_3a55792591955a68c8ee349a1b5ded3d_ryuk
Size

103KB
MD5

3a55792591955a68c8ee349a1b5ded3d
SHA1

43a5b78499aa0add75ad48879184b3d22bf19727
SHA256

7f8431831d1528fac762fb22bfb5be311f01f474eb6b24ec1d593de6acc20576
SHA512

cd1eaf973ad07b2f86caebb7d5e7d386b8444c324abdd90b69f86a628aaa62f3a92fbaacf7a85fe7bc1ce5dc9370017ffd066cd50d1951551a126ed681289a0f
SSDEEP

1536:0tsj+xp/aeYr/It8XcnJsQnBpEtyg89sWzdc9dlg8ePkIm9ZEW46F:4sJeO48sJsQnBpDVpUy8ePlm914i

Score

1^/10

Malware Config

Signatures

Files

2024-01-25_3a55792591955a68c8ee349a1b5ded3d_ryuk
.exe windows:5 windows x64 arch:x64

691a072fd1ce7f5787fb56dd9958f598

Code Sign

78:a1:8f:5a:6a:4a:79:c4:05:20:fc:be:ce:d3:41:3a
Certificate

Issuer

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

22/04/2019, 00:00

Not After

20/05/2022, 23:59

Subject

CN=Bomgar Corporation,OU=Remote Support,O=Bomgar Corporation,L=Ridgeland,ST=Mississippi,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

10/12/2013, 00:00

Not After

09/12/2023, 23:59

Subject

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66
Certificate

Issuer

CN=DigiCert Assured ID CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

22/10/2014, 00:00

Not After

22/10/2024, 00:00

Subject

CN=DigiCert Timestamp Responder,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1b
Certificate

Issuer

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

Not Before

10/11/2006, 00:00

Not After

10/11/2021, 00:00

Subject

CN=DigiCert Assured ID CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageServerAuth
ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning
ExtKeyUsageEmailProtection
ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

78:a1:8f:5a:6a:4a:79:c4:05:20:fc:be:ce:d3:41:3a
Certificate

Issuer

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

22/04/2019, 00:00

Not After

20/05/2022, 23:59

Subject

CN=Bomgar Corporation,OU=Remote Support,O=Bomgar Corporation,L=Ridgeland,ST=Mississippi,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

10/12/2013, 00:00

Not After

09/12/2023, 23:59

Subject

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

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

8d:ce:15:f3:a7:94:c5:87:00:00:00:00:55:92:33:f4
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

22/07/2020, 15:33

Not After

29/12/2030, 16:29

Subject

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

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

0d:ef:2c:9d:1a:c8:aa:ff:4e:c5:c8:b1:ff:82:c7:3e:9e:e2:2c:51:a1:84:e0:55:41:f4:14:a9:f7:8d:54:eb
Signer

Actual PE Digest

0d:ef:2c:9d:1a:c8:aa:ff:4e:c5:c8:b1:ff:82:c7:3e:9e:e2:2c:51:a1:84:e0:55:41:f4:14:a9:f7:8d:54:eb

Digest Algorithm

sha256

PE Digest Matches

true

54:72:10:f3:98:7c:f4:98:93:12:e1:e9:16:86:2e:14:5f:8e:f7:bf
Signer

Actual PE Digest

54:72:10:f3:98:7c:f4:98:93:12:e1:e9:16:86:2e:14:5f:8e:f7:bf

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_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

GetCommandLineW
OutputDebugStringA
OutputDebugStringW
CloseHandle
GetLastError
ExitProcess
GetCurrentThreadId
CreateProcessW
GetStartupInfoW
FreeLibrary
GetModuleFileNameW
GetModuleHandleW
GetProcAddress
LocalAlloc
LocalReAlloc
LocalFree
lstrcmpiW
lstrcpynA
lstrcpynW
lstrcatW
lstrlenW
LoadLibraryW
CreateFileW
WriteConsoleW
SetFilePointerEx
GetConsoleMode
GetConsoleCP
FlushFileBuffers
HeapReAlloc
HeapSize
GetProcessHeap
GetStringTypeW
GetFileType
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
RtlUnwindEx
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
GetStdHandle
WriteFile
MultiByteToWideChar
WideCharToMultiByte
GetModuleHandleExW
GetACP
HeapFree
HeapAlloc
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetEnvironmentStringsW
FreeEnvironmentStringsW
LCMapStringW
SetStdHandle
RaiseException

user32

DispatchMessageW
TranslateMessage
GetMessageW
wvsprintfW
wvsprintfA
WaitForInputIdle
CharPrevW

shell32

CommandLineToArgvW

shlwapi

PathIsRelativeW

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 35KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

691a072fd1ce7f5787fb56dd9958f598

Code Sign

78:a1:8f:5a:6a:4a:79:c4:05:20:fc:be:ce:d3:41:3aCertificate

Extended Key Usages

Key Usages

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2aCertificate

Extended Key Usages

Key Usages

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66Certificate

Extended Key Usages

Key Usages

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1bCertificate

Extended Key Usages

Key Usages

78:a1:8f:5a:6a:4a:79:c4:05:20:fc:be:ce:d3:41:3aCertificate

Extended Key Usages

Key Usages

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2aCertificate

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

8d:ce:15:f3:a7:94:c5:87:00:00:00:00:55:92:33:f4Certificate

Extended Key Usages

Key Usages

0d:ef:2c:9d:1a:c8:aa:ff:4e:c5:c8:b1:ff:82:c7:3e:9e:e2:2c:51:a1:84:e0:55:41:f4:14:a9:f7:8d:54:ebSigner

54:72:10:f3:98:7c:f4:98:93:12:e1:e9:16:86:2e:14:5f:8e:f7:bfSigner

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

shell32

shlwapi

Sections

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

.rdata Size: 35KB - Virtual size: 35KB

.data Size: 2KB - Virtual size: 6KB

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

.rsrc Size: 3KB - Virtual size: 3KB

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

78:a1:8f:5a:6a:4a:79:c4:05:20:fc:be:ce:d3:41:3a
Certificate

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66
Certificate

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1b
Certificate

78:a1:8f:5a:6a:4a:79:c4:05:20:fc:be:ce:d3:41:3a
Certificate

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

38:63:de:f8
Certificate

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

8d:ce:15:f3:a7:94:c5:87:00:00:00:00:55:92:33:f4
Certificate

0d:ef:2c:9d:1a:c8:aa:ff:4e:c5:c8:b1:ff:82:c7:3e:9e:e2:2c:51:a1:84:e0:55:41:f4:14:a9:f7:8d:54:eb
Signer

54:72:10:f3:98:7c:f4:98:93:12:e1:e9:16:86:2e:14:5f:8e:f7:bf
Signer

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

.rdata
Size: 35KB - Virtual size: 35KB

.data
Size: 2KB - Virtual size: 6KB

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

.rsrc
Size: 3KB - Virtual size: 3KB

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