2024-06-24_23e87c41b5e10bb2b623bec0ec9ccfea_ryuk

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General

Target

2024-06-24_23e87c41b5e10bb2b623bec0ec9ccfea_ryuk
Size

3.5MB
MD5

23e87c41b5e10bb2b623bec0ec9ccfea
SHA1

8c2625e33ddf71aadfc058b6e1420634d490d640
SHA256

97a1040cfc118786061d4a0d0520b94aec6d31ee1e45883dbdb0748369732efb
SHA512

46fcdf1f4101d1229632cf1dd2f5e417a546fb939f1547c552f11f7b33008e5db514df95e3ac49fda616e7f056b78b2daf7b9a401e0ca760947703908854294a
SSDEEP

49152:YIl+D9L+BTrVAhVXqKGcjdZbvV+CYXl8aALdt91qGElo+yJF/QNZRqfUhRWdp3gR:OqBTgaKNjvBocAubE/

Score

1^/10

Malware Config

Signatures

Files

2024-06-24_23e87c41b5e10bb2b623bec0ec9ccfea_ryuk
.exe windows:5 windows x64 arch:x64

f014a84bdfb97fb53b30d798e11a3d92

Code Sign

0f:de:84:f0:d5:5d:8d:33:68:32:5d:c0:cd:c4:a9:79
Certificate

Issuer

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

Not Before

23/06/2016, 00:00

Not After

27/06/2019, 12:00

Subject

SERIALNUMBER=916 368 127,CN=Opera Software AS,O=Opera Software AS,POSTALCODE=NO-0484,STREET=Gjerdrums vei 19,L=Oslo,ST=Oslo,C=NO,1.3.6.1.4.1.311.60.2.1.3=#13024e4f,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

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

09:c0:fc:46:c8:04:42:13:b5:59:8b:af:28:4f:4e:41
Certificate

Issuer

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

Not Before

04/01/2017, 00:00

Not After

18/01/2028, 00:00

Subject

CN=DigiCert SHA2 Timestamp Responder,O=DigiCert,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

7a:b3:4c:0c:13:b0:da:3d:c0:be:26:f5:61:5e:63:e4:3a:5b:52:bd:6a:1a:07:4f:9f:b0:73:76:cc:b4:15:82
Signer

Actual PE Digest

7a:b3:4c:0c:13:b0:da:3d:c0:be:26:f5:61:5e:63:e4:3a:5b:52:bd:6a:1a:07:4f:9f:b0:73:76:cc:b4:15:82

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

opera_autoupdate.exe.pdb

Imports

advapi32

AccessCheck
AdjustTokenPrivileges
AllocateAndInitializeSid
BuildExplicitAccessWithNameW
CheckTokenMembership
ConvertStringSecurityDescriptorToSecurityDescriptorW
CreateProcessAsUserW
CredFree
CredReadW
CredWriteW
CryptAcquireContextW
CryptCreateHash
CryptDestroyHash
CryptGenRandom
CryptGetHashParam
CryptHashData
CryptReleaseContext
DuplicateToken
EqualSid
EventRegister
EventUnregister
EventWrite
FreeSid
GetExplicitEntriesFromAclW
GetNamedSecurityInfoW
GetTokenInformation
GetUserNameW
ImpersonateNamedPipeClient
InitializeAcl
InitializeSecurityDescriptor
LookupPrivilegeValueW
OpenProcessToken
RegCloseKey
RegCreateKeyExW
RegDeleteKeyExW
RegDeleteKeyW
RegDeleteValueA
RegDeleteValueW
RegEnumKeyExW
RegEnumValueW
RegGetKeySecurity
RegNotifyChangeKeyValue
RegOpenKeyExW
RegQueryInfoKeyW
RegQueryValueExA
RegQueryValueExW
RegSetValueExA
RegSetValueExW
RevertToSelf
SetEntriesInAclW
SetNamedSecurityInfoW
SetSecurityDescriptorDacl
SystemFunction036

oleaut32

SysAllocString
SysFreeString
SysStringLen
VarUI4FromStr
VariantChangeType
VariantClear
VariantCopy
VariantInit

shell32

CommandLineToArgvW
SHAssocEnumHandlersForProtocolByApplication
SHChangeNotify
SHCreateAssociationRegistration
SHGetFolderPathW
SHGetKnownFolderPath
SHOpenWithDialog
ShellExecuteExW

shlwapi

PathMatchSpecW
SHDeleteKeyW

user32

AllowSetForegroundWindow
CharNextW
CreateWindowExW
DefWindowProcW
DestroyWindow
DispatchMessageW
GetForegroundWindow
GetMessageW
GetQueueStatus
GetWindowLongPtrW
KillTimer
MessageBoxW
MsgWaitForMultipleObjectsEx
PeekMessageW
PostMessageW
PostQuitMessage
RegisterClassExW
RegisterClassW
SendNotifyMessageW
SetForegroundWindow
SetTimer
SetWindowLongPtrW
TranslateMessage
UnregisterClassW
WaitForInputIdle
wsprintfW

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

ws2_32

WSACleanup
WSAGetLastError
WSAIoctl
WSASetLastError
WSAStartup
__WSAFDIsSet
bind
closesocket
connect
freeaddrinfo
getaddrinfo
getpeername
getsockname
getsockopt
htons
ioctlsocket
ntohl
ntohs
recv
select
send
setsockopt
socket

kernel32

AcquireSRWLockExclusive
AssignProcessToJobObject
CancelIo
CloseHandle
CloseThreadpool
CloseThreadpoolWork
CompareStringW
ConnectNamedPipe
CopyFileW
CreateDirectoryW
CreateEventW
CreateFileA
CreateFileMappingW
CreateFileW
CreateIoCompletionPort
CreateMutexW
CreateNamedPipeW
CreatePipe
CreateProcessW
CreateSemaphoreW
CreateThread
CreateThreadpool
CreateThreadpoolWork
DecodePointer
DeleteCriticalSection
DeleteFileW
DeviceIoControl
DisconnectNamedPipe
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsA
ExpandEnvironmentStringsW
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindNextFileW
FindResourceExW
FindResourceW
FlushFileBuffers
FlushViewOfFile
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleCP
GetConsoleMode
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesExW
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileSizeEx
GetFileType
GetFullPathNameW
GetHandleInformation
GetLastError
GetLocalTime
GetLocaleInfoW
GetLogicalDrives
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHandleCount
GetProcessId
GetProcessTimes
GetQueuedCompletionStatus
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDefaultLCID
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadContext
GetThreadId
GetThreadLocale
GetThreadPriority
GetTickCount
GetTickCount64
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetUserDefaultUILanguage
GetVersion
GetVersionExW
GetVolumeInformationW
GetWindowsDirectoryW
GlobalFree
GlobalMemoryStatusEx
HeapAlloc
HeapCreate
HeapDestroy
HeapFree
HeapReAlloc
HeapSize
InitOnceExecuteOnce
InitializeConditionVariable
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
K32GetPerformanceInfo
K32GetProcessMemoryInfo
K32QueryWorkingSetEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LoadResource
LocalAlloc
LocalFree
LockFileEx
LockResource
MapViewOfFile
MoveFileExW
MoveFileW
MultiByteToWideChar
OpenEventW
OpenMutexW
OpenProcess
OutputDebugStringA
OutputDebugStringW
PeekNamedPipe
PostQueuedCompletionStatus
ProcessIdToSessionId
QueryFullProcessImageNameW
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReadProcessMemory
RegisterWaitForSingleObject
ReleaseMutex
ReleaseSRWLockExclusive
ReleaseSemaphore
RemoveDirectoryW
ReplaceFileW
ResetEvent
ResumeThread
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFilePointerEx
SetHandleInformation
SetLastError
SetNamedPipeHandleState
SetProcessShutdownParameters
SetStdHandle
SetThreadPriority
SetThreadpoolThreadMaximum
SetThreadpoolThreadMinimum
SetUnhandledExceptionFilter
SizeofResource
Sleep
SleepConditionVariableSRW
SleepEx
SubmitThreadpoolWork
SuspendThread
SwitchToThread
SystemTimeToFileTime
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TransactNamedPipe
TryAcquireSRWLockExclusive
TzSpecificLocalTimeToSystemTime
UnhandledExceptionFilter
UnlockFileEx
UnmapViewOfFile
UnregisterWaitEx
VerSetConditionMask
VerifyVersionInfoW
VirtualFree
VirtualProtect
VirtualQuery
VirtualQueryEx
WaitForMultipleObjects
WaitForSingleObject
WaitForSingleObjectEx
WaitForThreadpoolWorkCallbacks
WaitNamedPipeW
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
Wow64GetThreadContext
WriteConsoleW
WriteFile
lstrcmpA
lstrcmpiW
lstrcpyW
lstrcpynW
lstrlenW

ole32

CoAllowSetForegroundWindow
CoCreateInstance
CoInitializeEx
CoInitializeSecurity
CoSetProxyBlanket
CoTaskMemAlloc
CoTaskMemFree
CoTaskMemRealloc
CoUninitialize
IIDFromString
PropVariantClear
StringFromGUID2

winhttp

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

credui

CredUIPromptForCredentialsW

crypt32

CertAddCertificateContextToStore
CertCloseStore
CertCreateCertificateChainEngine
CertFindCertificateInStore
CertFreeCertificateChain
CertFreeCertificateChainEngine
CertFreeCertificateContext
CertGetCertificateChain
CertGetNameStringW
CertOpenStore
CryptDecodeObject
CryptHashCertificate
CryptMsgClose
CryptMsgGetParam
CryptProtectData
CryptQueryObject
CryptStringToBinaryW
CryptUnprotectData

wintrust

WinVerifyTrust

userenv

CreateEnvironmentBlock
DestroyEnvironmentBlock

winmm

timeBeginPeriod
timeEndPeriod
timeGetTime

dbghelp

MiniDumpWriteDump

Exports

Exports

GetHandleVerifier

Sections

.text
Size: 2.7MB - Virtual size: 2.7MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 639KB - Virtual size: 638KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 17KB - Virtual size: 59KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 107KB - Virtual size: 106KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 32B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 12B

.tls
Size: 512B - Virtual size: 25B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

CPADinfo
Size: 512B - Virtual size: 64B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

prot
Size: 512B - Virtual size: 381B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 22KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 18KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f014a84bdfb97fb53b30d798e11a3d92

Code Sign

0f:de:84:f0:d5:5d:8d:33:68:32:5d:c0:cd:c4:a9:79Certificate

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

09:c0:fc:46:c8:04:42:13:b5:59:8b:af:28:4f:4e:41Certificate

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

7a:b3:4c:0c:13:b0:da:3d:c0:be:26:f5:61:5e:63:e4:3a:5b:52:bd:6a:1a:07:4f:9f:b0:73:76:cc:b4:15:82Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

oleaut32

shell32

shlwapi

user32

version

ws2_32

kernel32

ole32

winhttp

credui

crypt32

wintrust

userenv

winmm

dbghelp

Exports

Exports

Sections

.text Size: 2.7MB - Virtual size: 2.7MB

.rdata Size: 639KB - Virtual size: 638KB

.data Size: 17KB - Virtual size: 59KB

.pdata Size: 107KB - Virtual size: 106KB

.00cfg Size: 512B - Virtual size: 32B

.retplne Size: 512B - Virtual size: 12B

.tls Size: 512B - Virtual size: 25B

CPADinfo Size: 512B - Virtual size: 64B

prot Size: 512B - Virtual size: 381B

.rsrc Size: 22KB - Virtual size: 22KB

.reloc Size: 18KB - Virtual size: 18KB

0f:de:84:f0:d5:5d:8d:33:68:32:5d:c0:cd:c4:a9:79
Certificate

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

09:c0:fc:46:c8:04:42:13:b5:59:8b:af:28:4f:4e:41
Certificate

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

7a:b3:4c:0c:13:b0:da:3d:c0:be:26:f5:61:5e:63:e4:3a:5b:52:bd:6a:1a:07:4f:9f:b0:73:76:cc:b4:15:82
Signer

.text
Size: 2.7MB - Virtual size: 2.7MB

.rdata
Size: 639KB - Virtual size: 638KB

.data
Size: 17KB - Virtual size: 59KB

.pdata
Size: 107KB - Virtual size: 106KB

.00cfg
Size: 512B - Virtual size: 32B

.retplne
Size: 512B - Virtual size: 12B

.tls
Size: 512B - Virtual size: 25B

CPADinfo
Size: 512B - Virtual size: 64B

prot
Size: 512B - Virtual size: 381B

.rsrc
Size: 22KB - Virtual size: 22KB

.reloc
Size: 18KB - Virtual size: 18KB