2024-02-23_0905b0c530159e27d4188926b68e87d1_ryuk

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General

Target

2024-02-23_0905b0c530159e27d4188926b68e87d1_ryuk
Size

1.2MB
MD5

0905b0c530159e27d4188926b68e87d1
SHA1

6045613f5414b36516095a36b7705bead67d7026
SHA256

efbdfc75ec145931f5efad7bb30fec8716170ec5fdec8e6999d22dee8d48a7e5
SHA512

bc1f5948464a63fdfe8cf5349a44c90c56fc7c61e9b1997417cfb663d6ad7a5a92b56bbb92e4d86ee93ea0bc5bf4051415a72a7eaa4ff342fe4c4e98abbb4269
SSDEEP

12288:6gg47jIvWDA/dqowNBr4KjHEqsNCP1Nb4ajhBseWtYeR5+nwoUdrr:6gZ3gDtwNBSNUNUajEeGh

Score

1^/10

Malware Config

Signatures

Files

2024-02-23_0905b0c530159e27d4188926b68e87d1_ryuk
.exe windows:5 windows x64 arch:x64

021c250b9d098454839617f744032a44

Code Sign

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/01/2021, 00:00

Not After

06/01/2031, 00:00

Subject

CN=DigiCert Timestamp 2021,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

Issuer

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

Not Before

07/01/2016, 12:00

Not After

07/01/2031, 12:00

Subject

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:75:b1:d5:04:04:10:a1:d4:16:de:5b:a5:8c:80:0f
Certificate

Issuer

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

13/11/2020, 00:00

Not After

16/11/2021, 23:59

Subject

SERIALNUMBER=91440101MA5CNABW1L,CN=广州后山网络科技有限公司,O=广州后山网络科技有限公司,L=广州市,ST=广东省,C=CN,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.1=#0c09e9bb84e59f94e58cba,1.3.6.1.4.1.311.60.2.1.2=#0c09e5b9bfe4b89ce79c81,1.3.6.1.4.1.311.60.2.1.3=#1302434e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c
Certificate

Issuer

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

18/04/2012, 12:00

Not After

18/04/2027, 12:00

Subject

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

56:73:a1:89:31:05:13:4f:c9:43:67:8b:f7:33:2a:bf:a8:1a:1e:89:d8:51:04:ae:ce:42:f4:b9:88:eb:ef:ee
Signer

Actual PE Digest

56:73:a1:89:31:05:13:4f:c9:43:67:8b:f7:33:2a:bf:a8:1a:1e:89:d8:51:04:ae:ce:42:f4:b9:88:eb:ef:ee

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

chrome_pwa_launcher.exe.pdb

Imports

advapi32

CreateProcessAsUserW
EventRegister
EventUnregister
EventWrite
RegCloseKey
RegCreateKeyExW
RegOpenKeyExW
RegQueryValueExW
RegSetValueExW

kernel32

AcquireSRWLockExclusive
AssignProcessToJobObject
CloseHandle
CompareStringW
CreateEventW
CreateFileW
CreateProcessW
DeleteCriticalSection
DeleteFileW
DeleteProcThreadAttributeList
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExpandEnvironmentStringsW
FindClose
FindFirstFileExW
FindNextFileW
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesW
GetFileInformationByHandle
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetProcessId
GetProcessTimes
GetProductInfo
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadId
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetVersionExW
GetWindowsDirectoryW
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitOnceExecuteOnce
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeProcThreadAttributeList
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LocalFree
MultiByteToWideChar
OutputDebugStringA
OutputDebugStringW
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
ResetEvent
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetHandleInformation
SetLastError
SetStdHandle
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UpdateProcThreadAttribute
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitForSingleObjectEx
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrcmpiW

shell32

CommandLineToArgvW
SHGetFolderPathW
SHGetKnownFolderPath

userenv

CreateEnvironmentBlock
DestroyEnvironmentBlock

user32

AllowSetForegroundWindow

winmm

timeGetTime

ole32

CoTaskMemFree

Exports

Exports

GetHandleVerifier

Sections

.text
Size: 705KB - Virtual size: 705KB

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: 13KB - Virtual size: 33KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 23KB - Virtual size: 23KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 40B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gehcont
Size: 512B - Virtual size: 80B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 24B

.tls
Size: 512B - Virtual size: 289B

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: 148B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 266KB - Virtual size: 265KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

021c250b9d098454839617f744032a44

Code Sign

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:ddCertificate

Extended Key Usages

Key Usages

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15Certificate

Extended Key Usages

Key Usages

0e:75:b1:d5:04:04:10:a1:d4:16:de:5b:a5:8c:80:0fCertificate

Extended Key Usages

Key Usages

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5cCertificate

Extended Key Usages

Key Usages

56:73:a1:89:31:05:13:4f:c9:43:67:8b:f7:33:2a:bf:a8:1a:1e:89:d8:51:04:ae:ce:42:f4:b9:88:eb:ef:eeSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

kernel32

shell32

userenv

user32

winmm

ole32

Exports

Exports

Sections

.text Size: 705KB - Virtual size: 705KB

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

.data Size: 13KB - Virtual size: 33KB

.pdata Size: 23KB - Virtual size: 23KB

.00cfg Size: 512B - Virtual size: 40B

.gehcont Size: 512B - Virtual size: 80B

.retplne Size: 512B - Virtual size: 24B

.tls Size: 512B - Virtual size: 289B

CPADinfo Size: 512B - Virtual size: 56B

_RDATA Size: 512B - Virtual size: 148B

.rsrc Size: 266KB - Virtual size: 265KB

.reloc Size: 5KB - Virtual size: 4KB

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd
Certificate

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

0e:75:b1:d5:04:04:10:a1:d4:16:de:5b:a5:8c:80:0f
Certificate

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c
Certificate

56:73:a1:89:31:05:13:4f:c9:43:67:8b:f7:33:2a:bf:a8:1a:1e:89:d8:51:04:ae:ce:42:f4:b9:88:eb:ef:ee
Signer

.text
Size: 705KB - Virtual size: 705KB

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

.data
Size: 13KB - Virtual size: 33KB

.pdata
Size: 23KB - Virtual size: 23KB

.00cfg
Size: 512B - Virtual size: 40B

.gehcont
Size: 512B - Virtual size: 80B

.retplne
Size: 512B - Virtual size: 24B

.tls
Size: 512B - Virtual size: 289B

CPADinfo
Size: 512B - Virtual size: 56B

_RDATA
Size: 512B - Virtual size: 148B

.rsrc
Size: 266KB - Virtual size: 265KB

.reloc
Size: 5KB - Virtual size: 4KB