2024-04-18_623e7f999dae4994333806a2c035f9e4_ryuk

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General

Target

2024-04-18_623e7f999dae4994333806a2c035f9e4_ryuk
Size

2.0MB
MD5

623e7f999dae4994333806a2c035f9e4
SHA1

a1fccb7abe723ef5d144cfc14f409314c880359e
SHA256

9e97ce957d696a2dc2adff65d36f11ba2c191059f57ca02ff4055a8c83e447fd
SHA512

31b048c59f314427b0cc162c68c15365f3c27903cc61e1e40a936a44daa3249551e88d71746b5228112c5ab0f1a6422aef4d37592baf01b5fa6aff4687308101
SSDEEP

24576:4HHlrFzch8at7SOsBI80T3E2iq5A7CjKlFlA0xqJ0Tw5BAPrmqyDZN:4H5FzchZSPBT0zE2DAuelFLxBTcH7

Score

1^/10

Malware Config

Signatures

Files

2024-04-18_623e7f999dae4994333806a2c035f9e4_ryuk
.exe windows:5 windows x64 arch:x64

e87d1302a10b071ff4bc53d81dc55a46

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

06:0d:91:74:35:5f:33:63:75:d8:eb:72:56:c6:c3:2a
Certificate

Issuer

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

Not Before

26/10/2023, 00:00

Not After

25/10/2024, 23:59

Subject

CN=Whatfix Private Limited,O=Whatfix Private Limited,L=Bengaluru,ST=Karnataka,C=IN

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

69:b8:95:79:ad:5b:7b:4c:5f:65:f6:51:ef:17:fa:09:5f:0e:ed:fc:f5:c4:ea:31:14:12:35:41:a3:76:7c:98
Signer

Actual PE Digest

69:b8:95:79:ad:5b:7b:4c:5f:65:f6:51:ef:17:fa:09:5f:0e:ed:fc:f5:c4:ea:31:14:12:35:41:a3:76:7c:98

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

nw.exe.pdb

Imports

nw_elf

GetInstallDetailsPayload
SignalChromeElf

kernel32

AcquireSRWLockExclusive
AssignProcessToJobObject
CloseHandle
CompareStringW
ConnectNamedPipe
CreateDirectoryW
CreateEventW
CreateFileMappingW
CreateFileW
CreateIoCompletionPort
CreateJobObjectW
CreateMutexW
CreateNamedPipeW
CreateProcessW
CreateRemoteThread
CreateSemaphoreW
CreateThread
DebugBreak
DeleteCriticalSection
DeleteFileW
DeleteProcThreadAttributeList
DisconnectNamedPipe
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesEx
EnumSystemLocalesW
ExitProcess
ExpandEnvironmentStringsW
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindNextFileW
FlushFileBuffers
FlushViewOfFile
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleCP
GetConsoleMode
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentProcessorNumber
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesExW
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHandleCount
GetProcessHeaps
GetProcessId
GetProcessTimes
GetProductInfo
GetQueuedCompletionStatus
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDefaultLCID
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadContext
GetThreadId
GetThreadLocale
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetUserDefaultLangID
GetUserDefaultLocaleName
GetVersion
GetVersionExW
GetWindowsDirectoryW
HeapAlloc
HeapCreate
HeapDestroy
HeapFree
HeapReAlloc
HeapSetInformation
HeapSize
InitOnceExecuteOnce
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeProcThreadAttributeList
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
K32GetPerformanceInfo
K32GetProcessMemoryInfo
K32QueryWorkingSetEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LocalFree
LockFileEx
MapViewOfFile
MoveFileW
MultiByteToWideChar
OpenProcess
OutputDebugStringA
OutputDebugStringW
PeekNamedPipe
PostQueuedCompletionStatus
ProcessIdToSessionId
QueryDosDeviceW
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReadProcessMemory
RegisterWaitForSingleObject
ReleaseSRWLockExclusive
ReleaseSemaphore
RemoveDirectoryW
ReplaceFileW
ResetEvent
ResumeThread
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SearchPathW
SetConsoleCtrlHandler
SetCurrentDirectoryW
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFilePointer
SetFilePointerEx
SetFileTime
SetHandleInformation
SetInformationJobObject
SetLastError
SetNamedPipeHandleState
SetProcessShutdownParameters
SetStdHandle
SetThreadAffinityMask
SetThreadPriority
SetUnhandledExceptionFilter
SignalObjectAndWait
Sleep
SleepConditionVariableSRW
SleepEx
SuspendThread
SwitchToThread
SystemTimeToFileTime
SystemTimeToTzSpecificLocalTime
TerminateJobObject
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TransactNamedPipe
TryAcquireSRWLockExclusive
TzSpecificLocalTimeToSystemTime
UnhandledExceptionFilter
UnlockFileEx
UnmapViewOfFile
UnregisterWait
UnregisterWaitEx
UpdateProcThreadAttribute
VirtualAllocEx
VirtualFree
VirtualFreeEx
VirtualProtect
VirtualProtectEx
VirtualQuery
VirtualQueryEx
WaitForSingleObject
WaitForSingleObjectEx
WaitNamedPipeW
WakeAllConditionVariable
WideCharToMultiByte
Wow64GetThreadContext
WriteConsoleW
WriteFile
WriteProcessMemory
lstrcmpiA
lstrlenW

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

Exports

Exports

GetHandleVerifier
IsSandboxedProcess

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 291KB - Virtual size: 290KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 14KB - Virtual size: 46KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 50KB - Virtual size: 49KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

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

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

.rsrc
Size: 371KB - Virtual size: 370KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

e87d1302a10b071ff4bc53d81dc55a46

Code Sign

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

Extended Key Usages

Key Usages

06:0d:91:74:35:5f:33:63:75:d8:eb:72:56:c6:c3:2aCertificate

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

69:b8:95:79:ad:5b:7b:4c:5f:65:f6:51:ef:17:fa:09:5f:0e:ed:fc:f5:c4:ea:31:14:12:35:41:a3:76:7c:98Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

nw_elf

kernel32

version

Exports

Exports

Sections

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

.rdata Size: 291KB - Virtual size: 290KB

.data Size: 14KB - Virtual size: 46KB

.pdata Size: 50KB - Virtual size: 49KB

.00cfg Size: 512B - Virtual size: 16B

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

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

CPADinfo Size: 512B - Virtual size: 56B

.rsrc Size: 371KB - Virtual size: 370KB

.reloc Size: 8KB - Virtual size: 7KB

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

06:0d:91:74:35:5f:33:63:75:d8:eb:72:56:c6:c3:2a
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

69:b8:95:79:ad:5b:7b:4c:5f:65:f6:51:ef:17:fa:09:5f:0e:ed:fc:f5:c4:ea:31:14:12:35:41:a3:76:7c:98
Signer

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

.rdata
Size: 291KB - Virtual size: 290KB

.data
Size: 14KB - Virtual size: 46KB

.pdata
Size: 50KB - Virtual size: 49KB

.00cfg
Size: 512B - Virtual size: 16B

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

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

CPADinfo
Size: 512B - Virtual size: 56B

.rsrc
Size: 371KB - Virtual size: 370KB

.reloc
Size: 8KB - Virtual size: 7KB