2024-04-27_e337d45f8cb96131cc18918e1b578119_ryuk

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General

Target

2024-04-27_e337d45f8cb96131cc18918e1b578119_ryuk
Size

451KB
MD5

e337d45f8cb96131cc18918e1b578119
SHA1

4570342535873982d5eccde3a91750f8986f306b
SHA256

9c4d3de8aa1fddb372c57288c8106db056755e0b969b89f102bdbc698714b042
SHA512

e8ba95555988b996f728a5f3e38b7c68f39d00f5f00e1d413564a22764e574b9acc918e766eef3e2af82c239b8b2e6c0033d5e155d78f4319bb4751b6ee7605b
SSDEEP

12288:zkyRNT24A4lKqgDgo7Tqi+HQJ72O8pFp+:DRR24gDgo7TqisQF2BFp+

Score

1^/10

Malware Config

Signatures

Files

2024-04-27_e337d45f8cb96131cc18918e1b578119_ryuk
.exe windows:5 windows x64 arch:x64

a26237e903509981bf309e4a38a7a694

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

70:5b:af:a8:6c:31:b2:5b:22:f2:3b:09:ab:05:6b:cf
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

25/05/2015, 00:00

Not After

23/06/2018, 23:59

Subject

CN=HuoRongBoRui (Beijing) Technology Co.\,Ltd,O=HuoRongBoRui (Beijing) Technology Co.\,Ltd,L=beijing,ST=beijing,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

54:7c:8c:dc:30:fc:78:bd:fa:c5:3e:98:94:c7:0e:29
Certificate

Issuer

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

Not Before

04/01/2016, 00:00

Not After

23/06/2018, 23:59

Subject

CN=HuoRongBoRui (Beijing) Technology Co.\,Ltd,O=HuoRongBoRui (Beijing) Technology Co.\,Ltd,L=beijing,ST=beijing,C=CN

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

70:a0:1c:f4:ea:ef:99:fd:46:6c:ed:16:30:c1:b0:1f
Certificate

Issuer

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

Not Before

11/06/2015, 00:00

Not After

29/12/2020, 23:59

Subject

CN=GeoTrust 2048-bit Timestamping Signer 4,O=GeoTrust Inc,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

Certificate

Issuer

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

Not Before

01/01/1997, 00:00

Not After

31/12/2020, 23:59

Subject

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

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

28:1e:3c:6b:9c:ab:dd:05:ea:4d:f8:9a:c2:f3:26:2d:78:ec:81:0d:51:94:53:f3:12:d9:0a:50:f2:da:28:ff
Signer

Actual PE Digest

28:1e:3c:6b:9c:ab:dd:05:ea:4d:f8:9a:c2:f3:26:2d:78:ec:81:0d:51:94:53:f3:12:d9:0a:50:f2:da:28:ff

Digest Algorithm

sha256

PE Digest Matches

true

cb:65:ff:f9:df:aa:4c:01:3a:f4:19:8b:18:d2:6c:1c:0e:9d:0e:cd
Signer

Actual PE Digest

cb:65:ff:f9:df:aa:4c:01:3a:f4:19:8b:18:d2:6c:1c:0e:9d:0e:cd

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

PDB Paths

C:\devel\works\hr_sysdiag-dist\core\bin\usysdiag-helper-x64.pdb

Imports

kernel32

TerminateProcess
TerminateThread
OpenThread
VirtualQueryEx
Module32Next
Module32First
CreateToolhelp32Snapshot
GetCommandLineW
WaitForSingleObject
CreateThread
ExitProcess
SetProcessWorkingSetSize
TlsSetValue
HeapFree
SetLastError
InitializeCriticalSectionAndSpinCount
GetQueuedCompletionStatus
LocalAlloc
GetCurrentThreadId
HeapSize
PostQueuedCompletionStatus
GetExitCodeThread
GetLastError
SetEvent
TlsAlloc
HeapReAlloc
RaiseException
GetSystemInfo
ResetEvent
HeapAlloc
DecodePointer
HeapDestroy
GetProcessHeap
TlsGetValue
FreeLibrary
CreateEventA
CreateIoCompletionPort
VirtualQuery
WriteConsoleW
SetFilePointerEx
GetConsoleMode
GetConsoleCP
FlushFileBuffers
SetStdHandle
OutputDebugStringA
SetConsoleCtrlHandler
SetEnvironmentVariableW
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCPInfo
LoadLibraryA
GetCurrentDirectoryW
CreateFileA
GetCurrentDirectoryA
SetFilePointer
DeviceIoControl
WriteFile
SearchPathW
ReadFile
IsBadReadPtr
SearchPathA
GetNativeSystemInfo
CreateFileW
ExpandEnvironmentStringsA
GetProcAddress
GetModuleHandleA
GetTickCount
WideCharToMultiByte
DeleteCriticalSection
LocalFree
GetWindowsDirectoryW
CloseHandle
Sleep
MultiByteToWideChar
OpenProcess
InitializeCriticalSection
LeaveCriticalSection
GetOEMCP
IsValidCodePage
FindNextFileW
FindNextFileA
FindFirstFileExW
FindFirstFileExA
FindClose
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
GetFileType
GetCurrentProcess
GetLongPathNameW
EnterCriticalSection
VirtualAlloc
VirtualFree
VirtualProtect
GetFileAttributesA
TlsFree
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
WaitForSingleObjectEx
CreateEventW
GetModuleHandleW
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
InitializeSListHead
OutputDebugStringW
RtlPcToFileHeader
EncodePointer
RtlUnwindEx
LoadLibraryExW
InterlockedPushEntrySList
InterlockedFlushSList
GetCommandLineA
ExitThread
ResumeThread
FreeLibraryAndExitThread
GetModuleHandleExW
GetModuleFileNameA
GetModuleFileNameW
GetStdHandle
GetACP
GetStringTypeW
GetCurrentThread
ReadConsoleW

user32

EnumDesktopWindows
GetParent
OpenDesktopA
UnregisterClassA
GetWindowThreadProcessId
EnumWindowStationsA
GetWindowRect
IsWindowVisible
CloseWindowStation
EnumDesktopsA
CloseDesktop
OpenWindowStationA

advapi32

RegSetValueExA
RegOpenKeyW
ConvertSidToStringSidW
OpenProcessToken
RegCloseKey
RegEnumKeyExA
RegQueryValueExW
RegSaveKeyA
AdjustTokenPrivileges
LookupPrivilegeValueA
BuildExplicitAccessWithNameA
SetSecurityDescriptorDacl
SetEntriesInAclA
GetSecurityDescriptorDacl
RegGetKeySecurity
RegDeleteKeyA
RegQueryValueExA
RegCreateKeyExA
RegSetKeySecurity
RegSetValueExW
RegLoadKeyA
InitializeSecurityDescriptor
RegOpenKeyExA
RegEnumValueA
RegDeleteValueA
GetTokenInformation

shell32

CommandLineToArgvW
SHGetSpecialFolderPathA

ole32

CoInitialize
CoUninitialize
CoCreateInstance

oleaut32

SysFreeString

setupapi

SetupDiCreateDeviceInfoList
SetupDiOpenDeviceInfoA
SetupDiDestroyDeviceInfoList
SetupDiRemoveDevice
SetupDiCallClassInstaller
SetupDiSetClassInstallParamsA

crypt32

CryptQueryObject
CertCloseStore
CryptMsgGetParam
CertFindCertificateInStore
CertGetNameStringW
CertFreeCertificateContext
CryptMsgClose

Sections

.text
Size: 312KB - Virtual size: 311KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 94KB - Virtual size: 94KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 20KB - Virtual size: 19KB

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

.gfids
Size: 512B - Virtual size: 484B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a26237e903509981bf309e4a38a7a694

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

70:5b:af:a8:6c:31:b2:5b:22:f2:3b:09:ab:05:6b:cfCertificate

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

54:7c:8c:dc:30:fc:78:bd:fa:c5:3e:98:94:c7:0e:29Certificate

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

70:a0:1c:f4:ea:ef:99:fd:46:6c:ed:16:30:c1:b0:1fCertificate

Extended Key Usages

Key Usages

Certificate

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

Extended Key Usages

Key Usages

28:1e:3c:6b:9c:ab:dd:05:ea:4d:f8:9a:c2:f3:26:2d:78:ec:81:0d:51:94:53:f3:12:d9:0a:50:f2:da:28:ffSigner

cb:65:ff:f9:df:aa:4c:01:3a:f4:19:8b:18:d2:6c:1c:0e:9d:0e:cdSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

advapi32

shell32

ole32

oleaut32

setupapi

crypt32

Sections

.text Size: 312KB - Virtual size: 311KB

.rdata Size: 94KB - Virtual size: 94KB

.data Size: 4KB - Virtual size: 13KB

.pdata Size: 20KB - Virtual size: 19KB

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

.gfids Size: 512B - Virtual size: 484B

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

.reloc Size: 4KB - Virtual size: 7KB

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

70:5b:af:a8:6c:31:b2:5b:22:f2:3b:09:ab:05:6b:cf
Certificate

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

54:7c:8c:dc:30:fc:78:bd:fa:c5:3e:98:94:c7:0e:29
Certificate

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

70:a0:1c:f4:ea:ef:99:fd:46:6c:ed:16:30:c1:b0:1f
Certificate

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

28:1e:3c:6b:9c:ab:dd:05:ea:4d:f8:9a:c2:f3:26:2d:78:ec:81:0d:51:94:53:f3:12:d9:0a:50:f2:da:28:ff
Signer

cb:65:ff:f9:df:aa:4c:01:3a:f4:19:8b:18:d2:6c:1c:0e:9d:0e:cd
Signer

.text
Size: 312KB - Virtual size: 311KB

.rdata
Size: 94KB - Virtual size: 94KB

.data
Size: 4KB - Virtual size: 13KB

.pdata
Size: 20KB - Virtual size: 19KB

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

.gfids
Size: 512B - Virtual size: 484B

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

.reloc
Size: 4KB - Virtual size: 7KB