2024-01-08_26bb1727d3b565d46f34625ae7971ecf_ryuk

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General

Target

2024-01-08_26bb1727d3b565d46f34625ae7971ecf_ryuk
Size

994KB
MD5

26bb1727d3b565d46f34625ae7971ecf
SHA1

094652ca93e73a0a4e5a295088e95952ed82b1fd
SHA256

4bca335d3d659f66d424bbbfa5e386dc9661c6c346e375ceaf916a5bf4b68acd
SHA512

6795a19595a51434479e7d2537059e6135309ac5d585f7d9908065c235f51a6a0d283d16d60db79f1cb7c3ffd03dc249b2caa83316cfc6f4cb2830613209f1c5
SSDEEP

12288:s4cLZkn0sP0JsY1YjBxqs9Yyx/Pci06HMLxWMzjuqjzDIDy4V5KSKZncl96dEIK:s4Gkn0R1YvqCd0zWHkkDxV5Kp49GEB

Score

1^/10

Malware Config

Signatures

Files

2024-01-08_26bb1727d3b565d46f34625ae7971ecf_ryuk
.exe windows:6 windows x64 arch:x64

4dbbb566b061266367ff9f9db8ad7c7b

Code Sign

6d:79:16:4f:42:57:0d:7a:07:0b:5e:c7:60:39:7c:47
Certificate

Issuer

CN=WoSign Time Stamping Services CA G2,O=WoSign CA Limited,C=CN

Not Before

15/08/2017, 07:55

Not After

15/08/2028, 07:55

Subject

CN=WoSign Time Stamping Signer,O=WoSign CA Limited,C=CN

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

18:da:d1:9e:26:7d:e8:bb:4a:21:58:cd:cc:6b:3b:4a
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

08/11/2006, 00:00

Not After

16/07/2036, 23:59

Subject

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

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

5d:e8:f6:10:e5:54:47:54:f7:71:a7:90:07:a7:b7:12
Certificate

Issuer

CN=VeriSign Class 3 Code Signing 2010 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)10,O=VeriSign\, Inc.,C=US

Not Before

09/11/2017, 00:00

Not After

09/11/2018, 23:59

Subject

CN=PanYunZhihui (Beijing) Information Technology Co.\, Ltd.,O=PanYunZhihui (Beijing) Information Technology Co.\, Ltd.,L=Beijing,ST=Beijing,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

5e:68:d6:11:71:94:63:50:56:00:68:f3:3e:c9:c5:91
Certificate

Issuer

CN=Certification Authority of WoSign,O=WoSign CA Limited,C=CN

Not Before

08/08/2009, 01:00

Not After

08/08/2039, 01:00

Subject

CN=Certification Authority of WoSign,O=WoSign CA Limited,C=CN

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

51:ec:ef:d7:72:99:ba:1a:dd:28:02:43:1e:86:e2:0e
Certificate

Issuer

CN=Certification Authority of WoSign,O=WoSign CA Limited,C=CN

Not Before

08/04/2015, 00:58

Not After

08/04/2025, 00:58

Subject

CN=WoSign Time Stamping Services CA G2,O=WoSign CA Limited,C=CN

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7
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

08/02/2010, 00:00

Not After

07/02/2020, 23:59

Subject

CN=VeriSign Class 3 Code Signing 2010 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)10,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

6d:79:16:4f:42:57:0d:7a:07:0b:5e:c7:60:39:7c:47
Certificate

Issuer

CN=WoSign Time Stamping Services CA G2,O=WoSign CA Limited,C=CN

Not Before

15/08/2017, 07:55

Not After

15/08/2028, 07:55

Subject

CN=WoSign Time Stamping Signer,O=WoSign CA Limited,C=CN

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

62:af:4e:3d:2c:12:3b:dc:0c:03:47:77:fa:8d:e8:d7
Certificate

Issuer

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

Not Before

10/11/2017, 00:00

Not After

09/11/2018, 23:59

Subject

CN=PanYunZhihui (Beijing) Information Technology Co.\, Ltd.,O=PanYunZhihui (Beijing) Information Technology Co.\, Ltd.,L=Beijing,ST=Beijing,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

5e:68:d6:11:71:94:63:50:56:00:68:f3:3e:c9:c5:91
Certificate

Issuer

CN=Certification Authority of WoSign,O=WoSign CA Limited,C=CN

Not Before

08/08/2009, 01:00

Not After

08/08/2039, 01:00

Subject

CN=Certification Authority of WoSign,O=WoSign CA Limited,C=CN

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

51:ec:ef:d7:72:99:ba:1a:dd:28:02:43:1e:86:e2:0e
Certificate

Issuer

CN=Certification Authority of WoSign,O=WoSign CA Limited,C=CN

Not Before

08/04/2015, 00:58

Not After

08/04/2025, 00:58

Subject

CN=WoSign Time Stamping Services CA G2,O=WoSign CA Limited,C=CN

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

6d:79:16:4f:42:57:0d:7a:07:0b:5e:c7:60:39:7c:47
Certificate

Issuer

CN=WoSign Time Stamping Services CA G2,O=WoSign CA Limited,C=CN

Not Before

15/08/2017, 07:55

Not After

15/08/2028, 07:55

Subject

CN=WoSign Time Stamping Signer,O=WoSign CA Limited,C=CN

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

51:ec:ef:d7:72:99:ba:1a:dd:28:02:43:1e:86:e2:0e
Certificate

Issuer

CN=Certification Authority of WoSign,O=WoSign CA Limited,C=CN

Not Before

08/04/2015, 00:58

Not After

08/04/2025, 00:58

Subject

CN=WoSign Time Stamping Services CA G2,O=WoSign CA Limited,C=CN

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

5e:68:d6:11:71:94:63:50:56:00:68:f3:3e:c9:c5:91
Certificate

Issuer

CN=Certification Authority of WoSign,O=WoSign CA Limited,C=CN

Not Before

08/08/2009, 01:00

Not After

08/08/2039, 01:00

Subject

CN=Certification Authority of WoSign,O=WoSign CA Limited,C=CN

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

a6:ca:5b:c9:04:35:50:40:83:88:68:69:bc:d5:82:aa:3e:a6:9f:b4:a7:14:5e:c4:67:e3:83:c9:98:c1:af:76
Signer

Actual PE Digest

a6:ca:5b:c9:04:35:50:40:83:88:68:69:bc:d5:82:aa:3e:a6:9f:b4:a7:14:5e:c4:67:e3:83:c9:98:c1:af:76

Digest Algorithm

sha256

PE Digest Matches

true

ad:57:47:67:f8:63:cd:7a:63:13:4b:1d:ec:0b:06:0c:1e:70:a2:50
Signer

Actual PE Digest

ad:57:47:67:f8:63:cd:7a:63:13:4b:1d:ec:0b:06:0c:1e:70:a2:50

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

oleaut32

VariantCopy
SysAllocString
SysAllocStringLen
SysFreeString
SysStringLen
VariantClear

user32

CharPrevExA
CharUpperW

advapi32

SetFileSecurityW
LookupPrivilegeValueW
AdjustTokenPrivileges
OpenProcessToken
GetFileSecurityW

kernel32

SetStdHandle
GetProcessHeap
GetStringTypeW
ReadConsoleW
SetFilePointerEx
WriteConsoleW
SetConsoleCtrlHandler
GetLastError
MultiByteToWideChar
WideCharToMultiByte
FreeLibrary
GetModuleFileNameW
LoadLibraryExW
LoadLibraryW
LocalFree
FormatMessageW
SetCurrentDirectoryW
GetCurrentDirectoryW
CreateDirectoryW
CreateFileW
DeleteFileW
RemoveDirectoryW
SetFileAttributesW
SetFileTime
GetTempPathW
CloseHandle
SetLastError
GetCurrentProcessId
GetCurrentThreadId
GetTickCount
GetModuleHandleW
GetProcAddress
MoveFileW
FindClose
FindFirstFileW
FindNextFileW
GetFileAttributesW
GetLogicalDriveStringsW
GetModuleHandleA
GetFileSize
ReadFile
SetEndOfFile
SetFilePointer
WriteFile
DeviceIoControl
GetFileInformationByHandle
GetDiskFreeSpaceW
GetCurrentProcess
CompareFileTime
FileTimeToSystemTime
GlobalMemoryStatusEx
GetSystemInfo
GetSystemTimeAsFileTime
FileTimeToDosDateTime
DosDateTimeToFileTime
GetStdHandle
EnterCriticalSection
LeaveCriticalSection
WaitForMultipleObjects
OpenEventW
OpenFileMappingW
MapViewOfFile
UnmapViewOfFile
SetProcessAffinityMask
DeleteCriticalSection
GetProcessTimes
FileTimeToLocalFileTime
HeapSize
GetCommandLineW
SetFileApisToOEM
GetConsoleScreenBufferInfo
GetConsoleMode
SetConsoleMode
LocalFileTimeToFileTime
QueryPerformanceCounter
VirtualAlloc
VirtualFree
InitializeCriticalSection
SetEvent
ResetEvent
ReleaseSemaphore
WaitForSingleObject
CreateEventW
CreateSemaphoreW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
InitializeSListHead
RtlPcToFileHeader
EncodePointer
RaiseException
RtlUnwindEx
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
CreateThread
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
ExitProcess
TerminateProcess
GetModuleFileNameA
GetCommandLineA
GetACP
HeapFree
HeapAlloc
CompareStringW
LCMapStringW
GetFileType
FlushFileBuffers
GetConsoleCP
HeapReAlloc
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA

Sections

.text
Size: 704KB - Virtual size: 704KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 218KB - Virtual size: 217KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 38KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 37KB - Virtual size: 37KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 192B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 808B

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

4dbbb566b061266367ff9f9db8ad7c7b

Code Sign

6d:79:16:4f:42:57:0d:7a:07:0b:5e:c7:60:39:7c:47Certificate

Extended Key Usages

Key Usages

18:da:d1:9e:26:7d:e8:bb:4a:21:58:cd:cc:6b:3b:4aCertificate

Key Usages

5d:e8:f6:10:e5:54:47:54:f7:71:a7:90:07:a7:b7:12Certificate

Extended Key Usages

Key Usages

5e:68:d6:11:71:94:63:50:56:00:68:f3:3e:c9:c5:91Certificate

Key Usages

51:ec:ef:d7:72:99:ba:1a:dd:28:02:43:1e:86:e2:0eCertificate

Extended Key Usages

Key Usages

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7Certificate

Extended Key Usages

Key Usages

6d:79:16:4f:42:57:0d:7a:07:0b:5e:c7:60:39:7c:47Certificate

Extended Key Usages

Key Usages

62:af:4e:3d:2c:12:3b:dc:0c:03:47:77:fa:8d:e8:d7Certificate

Extended Key Usages

Key Usages

5e:68:d6:11:71:94:63:50:56:00:68:f3:3e:c9:c5:91Certificate

Key Usages

51:ec:ef:d7:72:99:ba:1a:dd:28:02:43:1e:86:e2:0eCertificate

Extended Key Usages

Key Usages

6d:79:16:4f:42:57:0d:7a:07:0b:5e:c7:60:39:7c:47Certificate

Extended Key Usages

Key Usages

51:ec:ef:d7:72:99:ba:1a:dd:28:02:43:1e:86:e2:0eCertificate

Extended Key Usages

Key Usages

5e:68:d6:11:71:94:63:50:56:00:68:f3:3e:c9:c5:91Certificate

Key Usages

a6:ca:5b:c9:04:35:50:40:83:88:68:69:bc:d5:82:aa:3e:a6:9f:b4:a7:14:5e:c4:67:e3:83:c9:98:c1:af:76Signer

ad:57:47:67:f8:63:cd:7a:63:13:4b:1d:ec:0b:06:0c:1e:70:a2:50Signer

Headers

DLL Characteristics

File Characteristics

Imports

oleaut32

user32

advapi32

kernel32

Sections

.text Size: 704KB - Virtual size: 704KB

.rdata Size: 218KB - Virtual size: 217KB

.data Size: 6KB - Virtual size: 38KB

.pdata Size: 37KB - Virtual size: 37KB

.gfids Size: 512B - Virtual size: 192B

.rsrc Size: 1024B - Virtual size: 808B

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

6d:79:16:4f:42:57:0d:7a:07:0b:5e:c7:60:39:7c:47
Certificate

18:da:d1:9e:26:7d:e8:bb:4a:21:58:cd:cc:6b:3b:4a
Certificate

5d:e8:f6:10:e5:54:47:54:f7:71:a7:90:07:a7:b7:12
Certificate

5e:68:d6:11:71:94:63:50:56:00:68:f3:3e:c9:c5:91
Certificate

51:ec:ef:d7:72:99:ba:1a:dd:28:02:43:1e:86:e2:0e
Certificate

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7
Certificate

6d:79:16:4f:42:57:0d:7a:07:0b:5e:c7:60:39:7c:47
Certificate

62:af:4e:3d:2c:12:3b:dc:0c:03:47:77:fa:8d:e8:d7
Certificate

5e:68:d6:11:71:94:63:50:56:00:68:f3:3e:c9:c5:91
Certificate

51:ec:ef:d7:72:99:ba:1a:dd:28:02:43:1e:86:e2:0e
Certificate

6d:79:16:4f:42:57:0d:7a:07:0b:5e:c7:60:39:7c:47
Certificate

51:ec:ef:d7:72:99:ba:1a:dd:28:02:43:1e:86:e2:0e
Certificate

5e:68:d6:11:71:94:63:50:56:00:68:f3:3e:c9:c5:91
Certificate

a6:ca:5b:c9:04:35:50:40:83:88:68:69:bc:d5:82:aa:3e:a6:9f:b4:a7:14:5e:c4:67:e3:83:c9:98:c1:af:76
Signer

ad:57:47:67:f8:63:cd:7a:63:13:4b:1d:ec:0b:06:0c:1e:70:a2:50
Signer

.text
Size: 704KB - Virtual size: 704KB

.rdata
Size: 218KB - Virtual size: 217KB

.data
Size: 6KB - Virtual size: 38KB

.pdata
Size: 37KB - Virtual size: 37KB

.gfids
Size: 512B - Virtual size: 192B

.rsrc
Size: 1024B - Virtual size: 808B

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