2024-01-23_ab9585198ebd77c23a29acf21efc43b2_ryuk

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General

Target

2024-01-23_ab9585198ebd77c23a29acf21efc43b2_ryuk
Size

4.3MB
MD5

ab9585198ebd77c23a29acf21efc43b2
SHA1

94ea1d34c8da114bd08499f96afbf398c5aedd2f
SHA256

354a0f8633acd8c66753395c4846ddcae5f82b3fdfb3fbe658fd9155f5a533ff
SHA512

d33bd2f53771f80d8e5dfbbac7d6b9a46e768f4407218b744911d2942d25aecfdadc54f11500417ff1065dd2d811ea1ec2a89674583a02c6da3cb4b0b6e858f4
SSDEEP

49152:3pRdmobGzJvwytGSWPawlq8e2fEO54ldoUPxqWUqypjSC2A4WkXEZr4hVgl6i90O:ZZawbee5wHqWUp1X9r7G037bCvZ9ZO

Score

1^/10

Malware Config

Signatures

Files

2024-01-23_ab9585198ebd77c23a29acf21efc43b2_ryuk
.exe windows:5 windows x64 arch:x64

631af4e0c39c368b9ab1280356424369

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0b:4a:e4:b2:e0:c0:3d:b2:b9:db:bc:13:9c:ce:bb:81
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

07/09/2021, 00:00

Not After

07/10/2024, 23:59

Subject

SERIALNUMBER=110111-1707178,CN=NAVER Corp.,O=NAVER Corp.,L=Seongnam-si,ST=Gyeonggi-do,C=KR,1.3.6.1.4.1.311.60.2.1.1=#130b53656f6e676e616d2d7369,1.3.6.1.4.1.311.60.2.1.2=#130b4779656f6e6767692d646f,1.3.6.1.4.1.311.60.2.1.3=#13024b52,2.5.4.15=#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

d8:ab:b9:a0:16:e8:a2:f7:76:ed:5a:0a:bb:6c:65:c5:9e:e0:41:a6:42:9f:c2:cf:e8:ce:40:a0:4e:e2:36:3e
Signer

Actual PE Digest

d8:ab:b9:a0:16:e8:a2:f7:76:ed:5a:0a:bb:6c:65:c5:9e:e0:41:a6:42:9f:c2:cf:e8:ce:40:a0:4e:e2:36:3e

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

Imports

advapi32

AdjustTokenPrivileges
BuildExplicitAccessWithNameW
BuildSecurityDescriptorW
BuildTrusteeWithSidW
ChangeServiceConfigW
CloseServiceHandle
ConvertSidToStringSidW
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertStringSidToSidW
CreateProcessAsUserW
CreateServiceW
DeleteService
DeregisterEventSource
DuplicateTokenEx
EventRegister
EventSetInformation
EventUnregister
EventWrite
GetLengthSid
GetNamedSecurityInfoW
GetSecurityDescriptorControl
GetSecurityDescriptorDacl
GetSecurityDescriptorGroup
GetSecurityDescriptorOwner
GetSecurityDescriptorSacl
GetSidSubAuthority
GetSidSubAuthorityCount
GetTokenInformation
GetTraceEnableFlags
GetTraceEnableLevel
GetTraceLoggerHandle
GetUserNameW
ImpersonateNamedPipeClient
IsValidAcl
IsValidSecurityDescriptor
IsValidSid
LookupPrivilegeValueW
OpenProcessToken
OpenSCManagerW
OpenServiceW
QueryServiceConfigW
RegCloseKey
RegCreateKeyExW
RegDeleteKeyExW
RegDeleteValueW
RegEnumKeyExW
RegEnumValueA
RegEnumValueW
RegLoadKeyW
RegOpenKeyExW
RegQueryInfoKeyW
RegQueryValueExA
RegQueryValueExW
RegSetValueExW
RegUnLoadKeyW
RegisterEventSourceA
RegisterTraceGuidsW
ReportEventA
RevertToSelf
SetEntriesInAclW
SetNamedSecurityInfoW
SetSecurityInfo
TraceEvent
UnregisterTraceGuids

dbghelp

SymCleanup
SymFromAddr
SymGetLineFromAddr64
SymGetSearchPathW
SymInitialize
SymSetOptions
SymSetSearchPathW

shell32

CommandLineToArgvW
ord190
ord155
ord680
SHChangeNotify
SHGetFolderPathW
SHGetKnownFolderPath
ShellExecuteExW
ShellExecuteW

user32

AllowSetForegroundWindow
CallNextHookEx
CharUpperW
CreateWindowExW
DefWindowProcW
DestroyWindow
DispatchMessageW
GetActiveWindow
GetMessageW
GetMonitorInfoW
GetQueueStatus
GetWindowLongPtrW
KillTimer
LoadIconW
MessageBoxW
MonitorFromWindow
MoveWindow
MsgWaitForMultipleObjectsEx
PeekMessageW
PostMessageW
PostQuitMessage
RegisterClassExW
RegisterClassW
SendMessageW
SetForegroundWindow
SetTimer
SetWindowLongPtrW
SetWindowsHookExW
TranslateMessage
UnhookWindowsHookEx
UnregisterClassW

winmm

timeBeginPeriod
timeEndPeriod
timeGetTime

ws2_32

ntohl

kernel32

AcquireSRWLockExclusive
AcquireSRWLockShared
AddVectoredExceptionHandler
AssignProcessToJobObject
CloseHandle
CompareStringW
ConnectNamedPipe
CopyFileW
CreateDirectoryW
CreateEventW
CreateFileA
CreateFileMappingW
CreateFileW
CreateIoCompletionPort
CreateMutexW
CreateNamedPipeW
CreateProcessW
CreateSemaphoreW
CreateThread
CreateToolhelp32Snapshot
DecodePointer
DeleteCriticalSection
DeleteFileW
DeleteProcThreadAttributeList
DisconnectNamedPipe
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindNextFileW
FindResourceW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FlushViewOfFile
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesExW
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileSizeEx
GetFileTime
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetPriorityClass
GetProcAddress
GetProcessHandleCount
GetProcessHeap
GetProcessId
GetProcessIoCounters
GetProcessMitigationPolicy
GetProcessTimes
GetProductInfo
GetQueuedCompletionStatus
GetShortPathNameW
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDefaultLCID
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadContext
GetThreadId
GetThreadLocale
GetThreadPreferredUILanguages
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetUserDefaultLangID
GetVersionExW
GetWindowsDirectoryW
GlobalAlloc
GlobalFree
GlobalMemoryStatusEx
HeapAlloc
HeapDestroy
HeapFree
HeapReAlloc
HeapSetInformation
HeapSize
InitOnceExecuteOnce
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeProcThreadAttributeList
InitializeSListHead
InitializeSRWLock
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
K32GetModuleInformation
K32GetPerformanceInfo
K32GetProcessMemoryInfo
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LoadResource
LocalFree
LockFileEx
LockResource
MapViewOfFile
MoveFileExW
MoveFileW
MultiByteToWideChar
OpenMutexW
OpenProcess
OutputDebugStringA
OutputDebugStringW
PeekNamedPipe
PostQueuedCompletionStatus
Process32FirstW
Process32NextW
QueryFullProcessImageNameW
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
QueueUserAPC
RaiseException
ReadConsoleW
ReadFile
ReadProcessMemory
RegisterWaitForSingleObject
ReleaseMutex
ReleaseSRWLockExclusive
ReleaseSRWLockShared
ReleaseSemaphore
RemoveDirectoryW
RemoveVectoredExceptionHandler
ReplaceFileW
ResetEvent
ResumeThread
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetCurrentDirectoryW
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFileInformationByHandle
SetFilePointerEx
SetFileTime
SetHandleInformation
SetLastError
SetNamedPipeHandleState
SetPriorityClass
SetProcessShutdownParameters
SetStdHandle
SetThreadInformation
SetThreadPriority
SetUnhandledExceptionFilter
SizeofResource
Sleep
SleepConditionVariableSRW
SleepEx
SuspendThread
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TransactNamedPipe
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnlockFileEx
UnmapViewOfFile
UnregisterWaitEx
UpdateProcThreadAttribute
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualAllocEx
VirtualFree
VirtualProtect
VirtualQuery
VirtualQueryEx
WaitForMultipleObjects
WaitForSingleObject
WaitForSingleObjectEx
WaitNamedPipeW
WakeAllConditionVariable
WakeConditionVariable
WerRegisterRuntimeExceptionModule
WideCharToMultiByte
Wow64GetThreadContext
WriteConsoleW
WriteFile
WriteProcessMemory
lstrcmpiW
lstrlenA

iphlpapi

GetAdaptersAddresses

winhttp

WinHttpAddRequestHeaders
WinHttpCloseHandle
WinHttpConnect
WinHttpCrackUrl
WinHttpGetProxyForUrl
WinHttpOpen
WinHttpOpenRequest
WinHttpQueryHeaders
WinHttpReadData
WinHttpReceiveResponse
WinHttpSendRequest
WinHttpSetOption
WinHttpSetStatusCallback
WinHttpSetTimeouts
WinHttpWriteData

wininet

HttpAddRequestHeadersW
HttpOpenRequestW
HttpSendRequestW
InternetCloseHandle
InternetConnectW
InternetOpenW

ole32

CoAllowSetForegroundWindow
CoCreateInstance
CoInitializeEx
CoRegisterInitializeSpy
CoRevokeInitializeSpy
CoTaskMemAlloc
CoTaskMemFree
CoUninitialize
PropVariantClear

propsys

InitPropVariantFromCLSID

shlwapi

ord437
PathMatchSpecW
UrlCanonicalizeW

ntdll

NtClose
NtDeleteKey
NtOpenKeyEx
NtQueryValueKey
RtlFormatCurrentUserKeyPath
RtlFreeUnicodeString
RtlInitUnicodeString

userenv

CreateEnvironmentBlock
DestroyEnvironmentBlock

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

urlmon

CreateURLMonikerEx

oleaut32

SysAllocString
SysAllocStringLen
SysFreeString
SysStringLen
VariantClear
VariantInit

ncrypt

NCryptCreatePersistedKey
NCryptExportKey
NCryptFinalizeKey
NCryptFreeObject
NCryptGetProperty
NCryptImportKey
NCryptIsAlgSupported
NCryptOpenStorageProvider
NCryptSignHash

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

RoInitialize
RoUninitialize

Exports

Exports

GetHandleVerifier

Sections

.text
Size: 2.8MB - Virtual size: 2.8MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 544KB - Virtual size: 544KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 73KB - Virtual size: 134KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 100KB - Virtual size: 100KB

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: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 172B

.tls
Size: 1024B - Virtual size: 585B

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

LZMADEC
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 715KB - Virtual size: 715KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 14KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

631af4e0c39c368b9ab1280356424369

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

0b:4a:e4:b2:e0:c0:3d:b2:b9:db:bc:13:9c:ce:bb:81Certificate

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

d8:ab:b9:a0:16:e8:a2:f7:76:ed:5a:0a:bb:6c:65:c5:9e:e0:41:a6:42:9f:c2:cf:e8:ce:40:a0:4e:e2:36:3eSigner

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

dbghelp

shell32

user32

winmm

ws2_32

kernel32

iphlpapi

winhttp

wininet

ole32

propsys

shlwapi

ntdll

userenv

version

urlmon

oleaut32

ncrypt

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

Exports

Exports

Sections

.text Size: 2.8MB - Virtual size: 2.8MB

.rdata Size: 544KB - Virtual size: 544KB

.data Size: 73KB - Virtual size: 134KB

.pdata Size: 100KB - Virtual size: 100KB

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

.gxfg Size: 12KB - Virtual size: 12KB

.retplne Size: 512B - Virtual size: 172B

.tls Size: 1024B - Virtual size: 585B

CPADinfo Size: 512B - Virtual size: 56B

LZMADEC Size: 4KB - Virtual size: 4KB

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 715KB - Virtual size: 715KB

.reloc Size: 14KB - Virtual size: 13KB

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

0b:4a:e4:b2:e0:c0:3d:b2:b9:db:bc:13:9c:ce:bb:81
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

d8:ab:b9:a0:16:e8:a2:f7:76:ed:5a:0a:bb:6c:65:c5:9e:e0:41:a6:42:9f:c2:cf:e8:ce:40:a0:4e:e2:36:3e
Signer

.text
Size: 2.8MB - Virtual size: 2.8MB

.rdata
Size: 544KB - Virtual size: 544KB

.data
Size: 73KB - Virtual size: 134KB

.pdata
Size: 100KB - Virtual size: 100KB

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

.gxfg
Size: 12KB - Virtual size: 12KB

.retplne
Size: 512B - Virtual size: 172B

.tls
Size: 1024B - Virtual size: 585B

CPADinfo
Size: 512B - Virtual size: 56B

LZMADEC
Size: 4KB - Virtual size: 4KB

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 715KB - Virtual size: 715KB

.reloc
Size: 14KB - Virtual size: 13KB