2024-02-21_271c63b9a47fa92f142d03bee77fda5e_ryuk

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General

Target

2024-02-21_271c63b9a47fa92f142d03bee77fda5e_ryuk
Size

3.2MB
MD5

271c63b9a47fa92f142d03bee77fda5e
SHA1

799efa636d9818200c3fa3ef9d010207c256ffb4
SHA256

60369a46ab8aec49fee71e6ab750c4fc50e77a56f127ace524b9aed8f1716892
SHA512

11cbd821ceca298cbb6695ed201480e16171fcfb79ac93feba78c09f6fd7eefbd876b6a30aba9eefa086256b314acd0f0dfcbc86bdf08bf373b327173f3da4ec
SSDEEP

49152:/vm6TPY/an2iQFrn7OODU/HhW5B+RGWJNU2JYU:4C/jkWJNUA

Score

1^/10

Malware Config

Signatures

Files

2024-02-21_271c63b9a47fa92f142d03bee77fda5e_ryuk
.exe windows:5 windows x64 arch:x64

1a3450fa0d80e4406d34d87c4aedba8d

Code Sign

04:d8:e3:f3:d3:b6:cb:4c:e8:a6:c7:39:3a:8e:c3:fe
Certificate

Issuer

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

Not Before

15/07/2020, 00:00

Not After

18/08/2021, 12:00

Subject

CN=Adaptivebee SASU,O=Adaptivebee SASU,L=Paris,ST=Île-de-France,C=FR

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

Issuer

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

Not Before

22/10/2013, 12:00

Not After

22/10/2028, 12:00

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

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

36:f9:f1:85:a2:36:ca:fb:bc:5e:4f:2d:43:da:2c:e8:c5:67:0d:bd:45:76:35:ce:3d:19:a2:3e:fd:c1:9c:32
Signer

Actual PE Digest

36:f9:f1:85:a2:36:ca:fb:bc:5e:4f:2d:43:da:2c:e8:c5:67:0d:bd:45:76:35:ce:3d:19:a2:3e:fd:c1:9c:32

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

nacl64.exe.pdb

Imports

advapi32

AccessCheck
ConvertSidToStringSidW
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertStringSidToSidW
CopySid
CreateProcessAsUserW
CreateRestrictedToken
CreateWellKnownSid
DuplicateToken
DuplicateTokenEx
EqualSid
EventRegister
EventUnregister
EventWrite
FreeSid
GetAce
GetKernelObjectSecurity
GetLengthSid
GetNamedSecurityInfoW
GetSecurityDescriptorSacl
GetSecurityInfo
GetSidSubAuthority
GetTokenInformation
ImpersonateLoggedOnUser
InitializeAcl
InitializeSecurityDescriptor
InitializeSid
IsValidSid
LookupPrivilegeValueW
MapGenericMask
OpenProcessToken
RegCloseKey
RegCreateKeyExW
RegDisablePredefinedCache
RegOpenKeyExW
RegQueryValueExW
RevertToSelf
SetEntriesInAclW
SetKernelObjectSecurity
SetSecurityDescriptorDacl
SetSecurityInfo
SetThreadToken
SetTokenInformation
SystemFunction036

dbghelp

SymCleanup
SymFromAddr
SymGetLineFromAddr64
SymGetSearchPathW
SymInitialize
SymSetOptions
SymSetSearchPathW

user32

AllowSetForegroundWindow
CloseDesktop
CloseWindowStation
CreateDesktopW
CreateWindowExW
CreateWindowStationW
DefWindowProcW
DestroyWindow
DispatchMessageW
GetProcessWindowStation
GetQueueStatus
GetSystemMetrics
GetThreadDesktop
GetUserObjectInformationW
GetWindowLongPtrW
KillTimer
MessageBoxW
MsgWaitForMultipleObjectsEx
PeekMessageW
PostMessageW
PostQuitMessage
RegisterClassExW
SetProcessWindowStation
SetTimer
SetWindowLongPtrW
TranslateMessage
UnregisterClassW
wsprintfW

ws2_32

WSACleanup
WSACloseEvent
WSACreateEvent
WSAEventSelect
WSAGetLastError
WSAStartup
accept
bind
closesocket
gethostbyname
getsockname
htonl
htons
listen
ntohs
recv
select
send
setsockopt
shutdown
socket

kernel32

AcquireSRWLockExclusive
AllocConsole
AssignProcessToJobObject
AttachConsole
CancelIo
CloseHandle
CompareStringW
ConnectNamedPipe
ContinueDebugEvent
CreateDirectoryW
CreateEventW
CreateFileA
CreateFileMappingW
CreateFileW
CreateIoCompletionPort
CreateJobObjectW
CreateMutexW
CreateNamedPipeW
CreateProcessW
CreateRemoteThread
CreateSemaphoreW
CreateThread
DebugActiveProcess
DebugBreak
DeleteCriticalSection
DeleteFileW
DeleteProcThreadAttributeList
DisconnectNamedPipe
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesEx
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindFirstFileW
FindNextFileW
FlushFileBuffers
FlushInstructionCache
FormatMessageA
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetComputerNameExW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentProcessorNumber
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesExW
GetFileAttributesW
GetFileInformationByHandle
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExA
GetModuleHandleExW
GetModuleHandleW
GetNamedPipeHandleStateW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHandleCount
GetProcessHeap
GetProcessHeaps
GetProcessId
GetProcessTimes
GetProductInfo
GetQueuedCompletionStatus
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemPowerStatus
GetSystemTime
GetSystemTimeAsFileTime
GetTempPathW
GetThreadContext
GetThreadId
GetThreadPriority
GetThreadTimes
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetUserDefaultLangID
GetUserDefaultLocaleName
GetVersionExW
GetWindowsDirectoryW
GlobalMemoryStatusEx
HeapAlloc
HeapDestroy
HeapFree
HeapReAlloc
HeapSetInformation
HeapSize
InitOnceExecuteOnce
InitializeConditionVariable
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeProcThreadAttributeList
InitializeSListHead
IsDebuggerPresent
IsProcessInJob
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
K32QueryWorkingSetEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LocalFree
LockFileEx
MapViewOfFile
MapViewOfFileEx
MoveFileExW
MultiByteToWideChar
OpenProcess
OutputDebugStringA
OutputDebugStringW
PeekNamedPipe
PostQueuedCompletionStatus
ProcessIdToSessionId
QueryDosDeviceW
QueryInformationJobObject
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReadProcessMemory
RegisterWaitForSingleObject
ReleaseSRWLockExclusive
ReleaseSemaphore
RemoveDirectoryW
ResetEvent
ResumeThread
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SearchPathW
SetCurrentDirectoryW
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFilePointerEx
SetFileTime
SetHandleInformation
SetInformationJobObject
SetLastError
SetNamedPipeHandleState
SetStdHandle
SetThreadAffinityMask
SetThreadContext
SetThreadPriority
SetUnhandledExceptionFilter
SignalObjectAndWait
Sleep
SleepConditionVariableSRW
SuspendThread
SwitchToThread
SystemTimeToFileTime
SystemTimeToTzSpecificLocalTime
TerminateJobObject
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TransactNamedPipe
TryAcquireSRWLockExclusive
TzSpecificLocalTimeToSystemTime
UnhandledExceptionFilter
UnlockFileEx
UnmapViewOfFile
UnregisterWait
UnregisterWaitEx
UpdateProcThreadAttribute
VirtualAlloc
VirtualAllocEx
VirtualFree
VirtualFreeEx
VirtualProtect
VirtualProtectEx
VirtualQuery
VirtualQueryEx
WaitForDebugEvent
WaitForMultipleObjects
WaitForSingleObject
WaitForSingleObjectEx
WaitNamedPipeW
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile
WriteProcessMemory
lstrcmpiA
lstrlenW

shell32

CommandLineToArgvW
SHGetFolderPathW
SHGetKnownFolderPath

userenv

CreateEnvironmentBlock
DestroyEnvironmentBlock
GetProfileType

winmm

timeBeginPeriod
timeEndPeriod
timeGetDevCaps
timeGetTime

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

ole32

CoInitializeEx
CoRegisterInitializeSpy
CoRevokeInitializeSpy
CoTaskMemFree
CoUninitialize

Exports

Exports

ClearBreakpadPipeEnvironmentVariable
CrashForException
DumpProcess
DumpProcessWithoutCrash
GetHandleVerifier
InjectDumpForHungInput
IsSandboxedProcess
TerminateProcessWithoutDump
_ovly_debug_event
nacl_global_xlate_base
nacl_thread_ids
nacl_user

Sections

.text
Size: 1.8MB - Virtual size: 1.8MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 16KB - Virtual size: 175KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 74KB - Virtual size: 73KB

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: 60B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

.tls
Size: 512B - Virtual size: 305B

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: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1a3450fa0d80e4406d34d87c4aedba8d

Code Sign

04:d8:e3:f3:d3:b6:cb:4c:e8:a6:c7:39:3a:8e:c3:feCertificate

Extended Key Usages

Key Usages

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08Certificate

Extended Key Usages

Key Usages

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

36:f9:f1:85:a2:36:ca:fb:bc:5e:4f:2d:43:da:2c:e8:c5:67:0d:bd:45:76:35:ce:3d:19:a2:3e:fd:c1:9c:32Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

dbghelp

user32

ws2_32

kernel32

shell32

userenv

winmm

version

ole32

Exports

Exports

Sections

.text Size: 1.8MB - Virtual size: 1.8MB

.rdata Size: 1.3MB - Virtual size: 1.3MB

.data Size: 16KB - Virtual size: 175KB

.pdata Size: 74KB - Virtual size: 73KB

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

.gehcont Size: 512B - Virtual size: 60B

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

.tls Size: 512B - Virtual size: 305B

CPADinfo Size: 512B - Virtual size: 56B

_RDATA Size: 512B - Virtual size: 148B

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

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

04:d8:e3:f3:d3:b6:cb:4c:e8:a6:c7:39:3a:8e:c3:fe
Certificate

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

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

36:f9:f1:85:a2:36:ca:fb:bc:5e:4f:2d:43:da:2c:e8:c5:67:0d:bd:45:76:35:ce:3d:19:a2:3e:fd:c1:9c:32
Signer

.text
Size: 1.8MB - Virtual size: 1.8MB

.rdata
Size: 1.3MB - Virtual size: 1.3MB

.data
Size: 16KB - Virtual size: 175KB

.pdata
Size: 74KB - Virtual size: 73KB

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

.gehcont
Size: 512B - Virtual size: 60B

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

.tls
Size: 512B - Virtual size: 305B

CPADinfo
Size: 512B - Virtual size: 56B

_RDATA
Size: 512B - Virtual size: 148B

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

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