2024-06-14_fe94e51bb9cb662125ba8c8c045fe51a_ryuk

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General

Target

2024-06-14_fe94e51bb9cb662125ba8c8c045fe51a_ryuk
Size

137KB
MD5

fe94e51bb9cb662125ba8c8c045fe51a
SHA1

aa43f98a179128ca97937c74878fe37306179b6f
SHA256

e927def6fc1166a871042db4a312e6a7ce850983df185696e6049bc7a6934eef
SHA512

cbc95424d455e4810c8eb11c8c58361f4c53809d45d6f2bc17fc614817003eabd458f27ea59b629d38c4ed5ef19636841dcad87d8f5b5e0fc633829983347812
SSDEEP

3072:Npyk/pHFV8K4WI1zijC05zVMSaVvzDS6LYk71wI+GWDHYWny:n/plt4nNi+05zVG5+G2Hry

Score

1^/10

Malware Config

Signatures

Files

2024-06-14_fe94e51bb9cb662125ba8c8c045fe51a_ryuk
.exe windows:5 windows x64 arch:x64

ece77ff4d8c3a26ac271697afe0dcefb

Code Sign

21:d6:d0:4a:4f:25:0f:c9:32:37:fc:aa:5e:12:8d:e9
Certificate

Issuer

CN=Certum Trusted Network CA 2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

06/10/2011, 08:39

Not After

06/10/2046, 08:39

Subject

CN=Certum Trusted Network CA 2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

34:9b:5e:1c:4b:84:90:fc:72:86:2a:aa:7b:9e:dc:b3
Certificate

Issuer

CN=WoTrus Code Signing 2021 CA,O=WoTrus CA Limited,C=CN

Not Before

11/07/2022, 06:38

Not After

10/07/2024, 06:38

Subject

CN=Dongguan Youxiao Network Technology Co.\,Ltd,O=Dongguan Youxiao Network Technology Co.\,Ltd,L=Dongguan,ST=Guangdong,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

38:9c:d2:9d:8f:db:c7:39:f5:49:33:be:ce:98:93:b4
Certificate

Issuer

CN=Certum Trusted Network CA 2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

26/05/2021, 06:46

Not After

18/05/2027, 06:46

Subject

CN=WoTrus Code Signing 2021 CA,O=WoTrus CA Limited,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

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

b8:6d:6c:d0:32:5e:b5:5f:a9:9a:5e:36:ef:80:93:98:57:ef:79:ce:25:44:72:c1:a1:97:bf:39:66:1b:2f:2b
Signer

Actual PE Digest

b8:6d:6c:d0:32:5e:b5:5f:a9:9a:5e:36:ef:80:93:98:57:ef:79:ce:25:44:72:c1:a1:97:bf:39:66:1b:2f:2b

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:\code\yxcalendar\win\YXCalendar\bin\SystemClockHookHost_x64.pdb

Imports

advapi32

RegQueryValueExW
RegOpenKeyExW
RegOpenKeyExA
RegSetValueExW
RegCloseKey

shell32

ShellExecuteW

user32

PostQuitMessage
FindWindowA
GetWindow
GetClassNameA
InvalidateRect
GetMessageW
DefWindowProcW
PostMessageW
FindWindowExW
MessageBoxW
CreateWindowExW
SendMessageW
ReplyMessage
IsWindow
RegisterWindowMessageA
DispatchMessageW
SetTimer
RegisterClassW
TranslateMessage
LoadIconW
FindWindowW
LoadCursorW
KillTimer

psapi

EmptyWorkingSet

wtsapi32

WTSQuerySessionInformationW
WTSFreeMemory
WTSUnRegisterSessionNotification
WTSRegisterSessionNotification

kernel32

GetConsoleCP
HeapReAlloc
HeapSize
GetProcessHeap
GetStringTypeW
SetStdHandle
LCMapStringW
GetConsoleMode
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetCPInfo
GetOEMCP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
GetFileType
HeapAlloc
HeapFree
GetACP
SetFilePointerEx
FlushFileBuffers
WriteConsoleW
RaiseException
ExitProcess
WideCharToMultiByte
MultiByteToWideChar
WriteFile
GetStdHandle
LoadLibraryExW
WriteProcessMemory
GetCurrentProcess
GetModuleHandleExW
OutputDebugStringA
GetModuleFileNameW
CreateMutexW
GetLocaleInfoW
WaitForSingleObject
GetVersionExW
GetModuleHandleA
OpenProcess
CreateToolhelp32Snapshot
Sleep
GetLastError
Process32NextW
OutputDebugStringW
TerminateThread
Process32FirstW
CloseHandle
GetNativeSystemInfo
CreateThread
SetLocaleInfoW
GetProcAddress
VirtualAllocEx
WTSGetActiveConsoleSessionId
GetModuleHandleW
CreateRemoteThread
VirtualFreeEx
GetTickCount
LoadLibraryW
FreeLibrary
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
RtlUnwindEx
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
CreateFileW

Sections

.text
Size: 70KB - Virtual size: 70KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 42KB - Virtual size: 42KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 160B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

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

ece77ff4d8c3a26ac271697afe0dcefb

Code Sign

21:d6:d0:4a:4f:25:0f:c9:32:37:fc:aa:5e:12:8d:e9Certificate

Key Usages

34:9b:5e:1c:4b:84:90:fc:72:86:2a:aa:7b:9e:dc:b3Certificate

Extended Key Usages

Key Usages

38:9c:d2:9d:8f:db:c7:39:f5:49:33:be:ce:98:93:b4Certificate

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

b8:6d:6c:d0:32:5e:b5:5f:a9:9a:5e:36:ef:80:93:98:57:ef:79:ce:25:44:72:c1:a1:97:bf:39:66:1b:2f:2bSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

shell32

user32

psapi

wtsapi32

kernel32

Sections

.text Size: 70KB - Virtual size: 70KB

.rdata Size: 42KB - Virtual size: 42KB

.data Size: 2KB - Virtual size: 7KB

.pdata Size: 4KB - Virtual size: 4KB

.gfids Size: 512B - Virtual size: 160B

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

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

21:d6:d0:4a:4f:25:0f:c9:32:37:fc:aa:5e:12:8d:e9
Certificate

34:9b:5e:1c:4b:84:90:fc:72:86:2a:aa:7b:9e:dc:b3
Certificate

38:9c:d2:9d:8f:db:c7:39:f5:49:33:be:ce:98:93:b4
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

b8:6d:6c:d0:32:5e:b5:5f:a9:9a:5e:36:ef:80:93:98:57:ef:79:ce:25:44:72:c1:a1:97:bf:39:66:1b:2f:2b
Signer

.text
Size: 70KB - Virtual size: 70KB

.rdata
Size: 42KB - Virtual size: 42KB

.data
Size: 2KB - Virtual size: 7KB

.pdata
Size: 4KB - Virtual size: 4KB

.gfids
Size: 512B - Virtual size: 160B

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

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