2024-06-02_3771522d6e5949b26a0325706806d55f_ryuk

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General

Target

2024-06-02_3771522d6e5949b26a0325706806d55f_ryuk
Size

5.4MB
MD5

3771522d6e5949b26a0325706806d55f
SHA1

c9f497a4090d6ff273323eb92f132f37e7b385dd
SHA256

5c4e4903b8afa88ccf6d375989ce61f0ae3479d3a747c71f7d86ee06ebeb8ec6
SHA512

43b30fdf5edd8af14d2557ad8effc6b1e3bd94e0feef4b8d90d2fdf0c0fd44d4ceef3a2310878c7538706300d6393bc530e429a17d7313302e94dd5e93b90b35
SSDEEP

98304:tAioT075XYwMCiw2SZeMGrg+AriJKmUGhC+Wx7:yiFVIwMCiw2SZeMmlAriZUGhCZ

Score

1^/10

Malware Config

Signatures

Files

2024-06-02_3771522d6e5949b26a0325706806d55f_ryuk
.exe windows:5 windows x64 arch:x64

be095b860ac4a71440353e2f038e95cb

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Not Before

21/12/2012, 00:00

Not After

30/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

1b:09:3b:78:60:96:da:37:bb:a4:51:94:46:c8:96:78
Certificate

Issuer

OU=Class 3 Public Primary Certification Authority,O=VeriSign\, Inc.,C=US

Not Before

08/11/2006, 00:00

Not After

07/11/2021, 23:59

Subject

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

Issuer

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Not Before

18/10/2012, 00:00

Not After

29/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services Signer - G4,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

3f:05:e0:26:37:7b:bd:57:87:71:83:9c:20:70:8e:dd
Certificate

Issuer

CN=VeriSign Class 3 Code Signing 2010 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)10,O=VeriSign\, Inc.,C=US

Not Before

28/12/2017, 00:00

Not After

27/01/2019, 23:59

Subject

CN=上海展盟网络科技有限公司,OU=IT,O=上海展盟网络科技有限公司,L=Shanghai,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

08/02/2010, 00:00

Not After

07/02/2020, 23:59

Subject

CN=VeriSign Class 3 Code Signing 2010 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)10,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

1b:09:3b:78:60:96:da:37:bb:a4:51:94:46:c8:96:78
Certificate

Issuer

OU=Class 3 Public Primary Certification Authority,O=VeriSign\, Inc.,C=US

Not Before

08/11/2006, 00:00

Not After

07/11/2021, 23:59

Subject

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

0f:18:50:f9:b3:e6:ad:c2:b8:df:ad:d1:6e:44:df:53
Certificate

Issuer

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

29/12/2017, 00:00

Not After

28/01/2019, 23:59

Subject

CN=上海展盟网络科技有限公司,OU=IT,O=上海展盟网络科技有限公司,L=Shanghai,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

10/12/2013, 00:00

Not After

09/12/2023, 23:59

Subject

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

Issuer

CN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

12/01/2016, 00:00

Not After

11/01/2031, 23:59

Subject

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

Issuer

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

23/12/2017, 00:00

Not After

22/03/2029, 23:59

Subject

CN=Symantec SHA256 TimeStamping Signer - G3,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

e4:05:05:6b:63:26:e5:cf:55:6e:f8:7f:3e:61:d2:fe:aa:34:d2:60:80:95:1f:8c:1b:cc:db:b1:fd:a2:64:1d
Signer

Actual PE Digest

e4:05:05:6b:63:26:e5:cf:55:6e:f8:7f:3e:61:d2:fe:aa:34:d2:60:80:95:1f:8c:1b:cc:db:b1:fd:a2:64:1d

Digest Algorithm

sha256

PE Digest Matches

true

1a:0b:15:ab:15:07:00:ba:59:e5:ae:59:11:57:1c:27:e3:10:1e:bc
Signer

Actual PE Digest

1a:0b:15:ab:15:07:00:ba:59:e5:ae:59:11:57:1c:27:e3:10:1e:bc

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

f:\chromium2\src\out\release\nacl_win64\nacl64.exe.pdb

Imports

advapi32

OpenProcessToken
GetTokenInformation
ConvertStringSecurityDescriptorToSecurityDescriptorW
CreateProcessAsUserW
SystemFunction036
InitializeAcl
InitializeSecurityDescriptor
SetSecurityDescriptorDacl
RegOpenKeyExW
RegCreateKeyExW
RegCloseKey
GetAce
GetKernelObjectSecurity
GetLengthSid
GetSecurityDescriptorSacl
SetKernelObjectSecurity
SetTokenInformation
SetSecurityInfo
ConvertStringSidToSidW
RevertToSelf
RegDisablePredefinedCache
CopySid
CreateWellKnownSid
CreateRestrictedToken
DuplicateToken
DuplicateTokenEx
EqualSid
LookupPrivilegeValueW
SetThreadToken
ConvertSidToStringSidW
SetEntriesInAclW
GetSecurityInfo

gdi32

GetCharABCWidthsW
AddFontMemResourceEx
GetFontUnicodeRanges
SelectObject
CreateDIBSection
CreateCompatibleDC
EnumFontFamiliesExW
SetGraphicsMode
GetTextFaceW
GdiFlush
SetWorldTransform
ExtTextOutW
SetTextAlign
GetOutlineTextMetricsW
CreateFontIndirectW
RemoveFontMemResourceEx
DeleteObject
GetGlyphOutlineW
GetGlyphIndicesW
GetTextExtentPointI
SetBkMode
GetFontData
SetTextColor
DeleteDC
GetTextMetricsW

kernel32

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

ole32

CoUninitialize
CoInitializeEx
CoTaskMemFree
CoCreateGuid

psapi

GetMappedFileNameW

shell32

CommandLineToArgvW
SHGetKnownFolderPath
SHGetFolderPathW

user32

wsprintfW
MessageBoxW
RegisterClassExW
UnregisterClassW
CreateWindowExW
DestroyWindow
DefWindowProcW
CloseDesktop
CloseWindowStation
CreateDesktopW
GetThreadDesktop
CreateWindowStationW
SetProcessWindowStation
GetProcessWindowStation
GetUserObjectInformationW
SystemParametersInfoW

usp10

ScriptItemize
ScriptFreeCache
ScriptShape

version

GetFileVersionInfoW
VerQueryValueW
GetFileVersionInfoSizeW

winmm

timeGetTime
timeBeginPeriod
timeGetDevCaps
timeEndPeriod

ws2_32

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

userenv

DestroyEnvironmentBlock
CreateEnvironmentBlock
GetProfileType

Exports

Exports

ClearBreakpadPipeEnvironmentVariable
ClearCrashKeyValueImpl
CrashForException
DumpProcess
DumpProcessWithoutCrash
GetHandleVerifier
InjectDumpForHangDebugging
InjectDumpProcessWithoutCrash
IsSandboxedProcess
RegisterNonABICompliantCodeRange
SetCrashKeyValueImpl
TerminateProcessWithoutDump
UnregisterNonABICompliantCodeRange
_ovly_debug_event
nacl_global_xlate_base
nacl_thread_ids
nacl_user

Sections

.text
Size: 3.5MB - Virtual size: 3.5MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.6MB - Virtual size: 1.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 19KB - Virtual size: 202KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 202KB - Virtual size: 202KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.gfids
Size: 1024B - Virtual size: 824B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 32KB - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 52KB - Virtual size: 51KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 23KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

be095b860ac4a71440353e2f038e95cb

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3bCertificate

Extended Key Usages

Key Usages

1b:09:3b:78:60:96:da:37:bb:a4:51:94:46:c8:96:78Certificate

Key Usages

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50Certificate

Extended Key Usages

Key Usages

3f:05:e0:26:37:7b:bd:57:87:71:83:9c:20:70:8e:ddCertificate

Extended Key Usages

Key Usages

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7Certificate

Extended Key Usages

Key Usages

1b:09:3b:78:60:96:da:37:bb:a4:51:94:46:c8:96:78Certificate

Key Usages

0f:18:50:f9:b3:e6:ad:c2:b8:df:ad:d1:6e:44:df:53Certificate

Extended Key Usages

Key Usages

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2aCertificate

Extended Key Usages

Key Usages

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate

Extended Key Usages

Key Usages

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12Certificate

Extended Key Usages

Key Usages

e4:05:05:6b:63:26:e5:cf:55:6e:f8:7f:3e:61:d2:fe:aa:34:d2:60:80:95:1f:8c:1b:cc:db:b1:fd:a2:64:1dSigner

1a:0b:15:ab:15:07:00:ba:59:e5:ae:59:11:57:1c:27:e3:10:1e:bcSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

gdi32

kernel32

ole32

psapi

shell32

user32

usp10

version

winmm

ws2_32

userenv

Exports

Exports

Sections

.text Size: 3.5MB - Virtual size: 3.5MB

.rdata Size: 1.6MB - Virtual size: 1.6MB

.data Size: 19KB - Virtual size: 202KB

.pdata Size: 202KB - Virtual size: 202KB

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

.gfids Size: 1024B - Virtual size: 824B

_RDATA Size: 32KB - Virtual size: 32KB

.rsrc Size: 52KB - Virtual size: 51KB

.reloc Size: 23KB - Virtual size: 22KB

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

1b:09:3b:78:60:96:da:37:bb:a4:51:94:46:c8:96:78
Certificate

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

3f:05:e0:26:37:7b:bd:57:87:71:83:9c:20:70:8e:dd
Certificate

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7
Certificate

1b:09:3b:78:60:96:da:37:bb:a4:51:94:46:c8:96:78
Certificate

0f:18:50:f9:b3:e6:ad:c2:b8:df:ad:d1:6e:44:df:53
Certificate

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

e4:05:05:6b:63:26:e5:cf:55:6e:f8:7f:3e:61:d2:fe:aa:34:d2:60:80:95:1f:8c:1b:cc:db:b1:fd:a2:64:1d
Signer

1a:0b:15:ab:15:07:00:ba:59:e5:ae:59:11:57:1c:27:e3:10:1e:bc
Signer

.text
Size: 3.5MB - Virtual size: 3.5MB

.rdata
Size: 1.6MB - Virtual size: 1.6MB

.data
Size: 19KB - Virtual size: 202KB

.pdata
Size: 202KB - Virtual size: 202KB

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

.gfids
Size: 1024B - Virtual size: 824B

_RDATA
Size: 32KB - Virtual size: 32KB

.rsrc
Size: 52KB - Virtual size: 51KB

.reloc
Size: 23KB - Virtual size: 22KB