2024-05-27_72f99d04f9181c415a747c689d441f24_ryuk

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General

Target

2024-05-27_72f99d04f9181c415a747c689d441f24_ryuk
Size

1.3MB
MD5

72f99d04f9181c415a747c689d441f24
SHA1

443fa66c027f8372c8ae280df89c93d464561e27
SHA256

5c1fd1105ec543b6c156363d483558540dd5d913518a21d96e46713b83c91ad6
SHA512

c80fb58c7772f082538acbead08902e79bb269976a1f593f6349ee8b87ee7161f904f798a76df7b0b389d385870195af93692cfa1b86eee2bb660ae8a7d71a35
SSDEEP

12288:ZlsX6W4dFsCfj6CU/kJt0+Q2FvL6unnOPlnjK7en3SoYvbOMWXiwpg07UJHwENu/:Kj4dFsCjksJt0Y4SoEnvwpg0cE9heY

Score

1^/10

Malware Config

Signatures

Files

2024-05-27_72f99d04f9181c415a747c689d441f24_ryuk
.exe windows:5 windows x64 arch:x64

1b2e85d5adfc4ce4954eed4fcd555a29

Code Sign

76:53:fe:ac:75:46:48:93:f5:e5:d7:4a:48:3a:4e:f8
Certificate

Issuer

CN=GlobalSign Code Signing Root R45,O=GlobalSign nv-sa,C=BE

Not Before

18/03/2020, 00:00

Not After

18/03/2045, 00:00

Subject

CN=GlobalSign Code Signing Root R45,O=GlobalSign nv-sa,C=BE

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

77:bd:0e:05:b7:59:0b:b6:1d:47:61:53:1e:3f:75:ed
Certificate

Issuer

CN=GlobalSign Code Signing Root R45,O=GlobalSign nv-sa,C=BE

Not Before

28/07/2020, 00:00

Not After

28/07/2030, 00:00

Subject

CN=GlobalSign GCC R45 EV CodeSigning CA 2020,O=GlobalSign nv-sa,C=BE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

4e:e9:5a:a1:9a:ad:66:0a:f5:fd:37:ca
Certificate

Issuer

CN=GlobalSign GCC R45 EV CodeSigning CA 2020,O=GlobalSign nv-sa,C=BE

Not Before

16/01/2024, 02:42

Not After

16/01/2025, 02:42

Subject

SERIALNUMBER=91450100MAA7TMQ054,CN=广西月海映画网络科技有限公司,O=广西月海映画网络科技有限公司,STREET=西乡塘区人民西路82号3单元1层1号房,L=南宁,ST=广西,C=CN,1.3.6.1.4.1.311.60.2.1.1=#13074e616e6e696e67,1.3.6.1.4.1.311.60.2.1.2=#13074775616e677869,1.3.6.1.4.1.311.60.2.1.3=#1302434e,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

19:45:75:e2:df:f0:25:28:72:d0:56:90:66:45:bf:de:fa:00:c6:ce:dc:2b:4e:de:99:54:e4:4f:fb:f6:98:18
Signer

Actual PE Digest

19:45:75:e2:df:f0:25:28:72:d0:56:90:66:45:bf:de:fa:00:c6:ce:dc:2b:4e:de:99:54:e4:4f:fb:f6:98:18

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_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

F:\chromium-109\src\out\releasex64\notification_helper.exe.pdb

Imports

api-ms-win-core-winrt-error-l1-1-0

RoOriginateError

advapi32

BuildExplicitAccessWithNameW
BuildSecurityDescriptorW
ConvertStringSecurityDescriptorToSecurityDescriptorW
EventRegister
EventUnregister
EventWrite
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
SystemFunction036

dbghelp

SymCleanup
SymFromAddr
SymGetLineFromAddr64
SymGetSearchPathW
SymInitialize
SymSetOptions
SymSetSearchPathW

shell32

CommandLineToArgvW
SHGetFolderPathW
SHGetKnownFolderPath
ShellExecuteExW

user32

AllowSetForegroundWindow
SendInput

kernel32

AcquireSRWLockExclusive
AcquireSRWLockShared
CloseHandle
CompareStringW
CreateDirectoryW
CreateEventW
CreateFileW
CreateNamedPipeW
CreateProcessW
CreateThread
DecodePointer
DeleteCriticalSection
DeleteFileW
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetComputerNameExW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetFileAttributesW
GetFileInformationByHandle
GetFileSizeEx
GetFileTime
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetProcessId
GetProcessTimes
GetProductInfo
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadId
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetUserDefaultLangID
GetVersionExW
GetWindowsDirectoryW
HeapSetInformation
InitOnceExecuteOnce
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
K32QueryWorkingSetEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LocalFree
LockFileEx
MapViewOfFile
MoveFileW
MultiByteToWideChar
OpenProcess
OutputDebugStringA
OutputDebugStringW
PeekNamedPipe
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
ReleaseSRWLockShared
RemoveDirectoryW
ReplaceFileW
ResetEvent
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFileInformationByHandle
SetFilePointerEx
SetLastError
SetNamedPipeHandleState
SetStdHandle
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SleepEx
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TransactNamedPipe
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnlockFileEx
UnmapViewOfFile
UnregisterWaitEx
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitForSingleObjectEx
WaitNamedPipeW
WakeAllConditionVariable
WakeConditionVariable
WerRegisterRuntimeExceptionModule
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrcmpW
lstrlenA

ole32

CoAddRefServerProcess
CoInitializeEx
CoRegisterClassObject
CoRegisterInitializeSpy
CoReleaseServerProcess
CoResumeClassObjects
CoRevokeClassObject
CoRevokeInitializeSpy
CoTaskMemFree
CoUninitialize

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

winmm

timeGetTime

shlwapi

PathMatchSpecW

Exports

Exports

GetHandleVerifier

Sections

.text
Size: 996KB - Virtual size: 996KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 165KB - Virtual size: 165KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 64KB - Virtual size: 110KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 38KB - Virtual size: 37KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 92B

.tls
Size: 512B - Virtual size: 297B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

CPADinfo
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 348B

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: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1b2e85d5adfc4ce4954eed4fcd555a29

Code Sign

76:53:fe:ac:75:46:48:93:f5:e5:d7:4a:48:3a:4e:f8Certificate

Key Usages

77:bd:0e:05:b7:59:0b:b6:1d:47:61:53:1e:3f:75:edCertificate

Extended Key Usages

Key Usages

4e:e9:5a:a1:9a:ad:66:0a:f5:fd:37:caCertificate

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

19:45:75:e2:df:f0:25:28:72:d0:56:90:66:45:bf:de:fa:00:c6:ce:dc:2b:4e:de:99:54:e4:4f:fb:f6:98:18Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

api-ms-win-core-winrt-error-l1-1-0

advapi32

dbghelp

shell32

user32

kernel32

ole32

version

winmm

shlwapi

Exports

Exports

Sections

.text Size: 996KB - Virtual size: 996KB

.rdata Size: 165KB - Virtual size: 165KB

.data Size: 64KB - Virtual size: 110KB

.pdata Size: 38KB - Virtual size: 37KB

.00cfg Size: 512B - Virtual size: 48B

.gxfg Size: 11KB - Virtual size: 10KB

.retplne Size: 512B - Virtual size: 92B

.tls Size: 512B - Virtual size: 297B

CPADinfo Size: 512B - Virtual size: 56B

_RDATA Size: 512B - Virtual size: 348B

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

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

76:53:fe:ac:75:46:48:93:f5:e5:d7:4a:48:3a:4e:f8
Certificate

77:bd:0e:05:b7:59:0b:b6:1d:47:61:53:1e:3f:75:ed
Certificate

4e:e9:5a:a1:9a:ad:66:0a:f5:fd:37:ca
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

19:45:75:e2:df:f0:25:28:72:d0:56:90:66:45:bf:de:fa:00:c6:ce:dc:2b:4e:de:99:54:e4:4f:fb:f6:98:18
Signer

.text
Size: 996KB - Virtual size: 996KB

.rdata
Size: 165KB - Virtual size: 165KB

.data
Size: 64KB - Virtual size: 110KB

.pdata
Size: 38KB - Virtual size: 37KB

.00cfg
Size: 512B - Virtual size: 48B

.gxfg
Size: 11KB - Virtual size: 10KB

.retplne
Size: 512B - Virtual size: 92B

.tls
Size: 512B - Virtual size: 297B

CPADinfo
Size: 512B - Virtual size: 56B

_RDATA
Size: 512B - Virtual size: 348B

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

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