2024-04-08_5163e7bf0d9f006f07c99a82922a41d8_ryuk

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General

Target

2024-04-08_5163e7bf0d9f006f07c99a82922a41d8_ryuk
Size

2.1MB
MD5

5163e7bf0d9f006f07c99a82922a41d8
SHA1

c88d8a2691953a15edf31a9ab0c2e0a35e81f6d3
SHA256

8fe5b30d9a604980688254d136a45457c1a0d26283b5455761f6778566f92f61
SHA512

f1b706f9c8609873439112110e84c7a4ef9285b912579e1772d7590e6dfeb8847aa6ebc4c7d6059315a92187a128339ab0062b8d7a23ecdd5db15473037cea7a
SSDEEP

49152:qMKeLJ95d90stngnOIoYcGfXZRcu+CsT1mTad:K+sSuJE

Score

1^/10

Malware Config

Signatures

Files

2024-04-08_5163e7bf0d9f006f07c99a82922a41d8_ryuk
.exe windows:5 windows x64 arch:x64

d75a6917dd41b6164f0b6788ef978211

Code Sign

7b:2c:9b:d3:16:80:32:99
Certificate

Issuer

CN=SSL.com Root Certification Authority RSA,O=SSL Corporation,L=Houston,ST=Texas,C=US

Not Before

12/02/2016, 17:39

Not After

12/02/2041, 17:39

Subject

CN=SSL.com Root Certification Authority RSA,O=SSL Corporation,L=Houston,ST=Texas,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

64:33:51:d3:c7:38:9f:08
Certificate

Issuer

CN=SSL.com Root Certification Authority RSA,O=SSL Corporation,L=Houston,ST=Texas,C=US

Not Before

24/06/2016, 20:44

Not After

24/06/2031, 20:44

Subject

CN=SSL.com Code Signing Intermediate CA RSA R1,O=SSL Corp,L=Houston,ST=Texas,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

38:a6:4a:fe:46:9c:03:7a:03:b0:8a:4e:39:cb:9a:6f
Certificate

Issuer

CN=SSL.com Code Signing Intermediate CA RSA R1,O=SSL Corp,L=Houston,ST=Texas,C=US

Not Before

03/07/2023, 14:12

Not After

02/07/2025, 14:12

Subject

CN=Febracis Tecnologia Da Informacao Em Treinamento Empresarial,O=Febracis Tecnologia Da Informacao Em Treinamento Empresarial,L=Fortaleza,ST=Ceara,C=BR

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

1a:d6:08:a7:d6:34:b5:cd:de:97:cb:a3:cc:f0:d0:4b
Certificate

Issuer

CN=SSL.com Timestamping Issuing RSA CA R1,O=SSL Corp,L=Houston,ST=Texas,C=US

Not Before

09/12/2022, 18:30

Not After

06/12/2032, 18:30

Subject

CN=SSL.com Timestamping Unit 2022,O=SSL Corp,L=Houston,ST=Texas,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

e4:27:04:95:f6:8c:91:d6:d0:ec:7b:49:4e:a4:df:1c
Certificate

Issuer

CN=Certum Trusted Network CA,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

11/09/2018, 09:26

Not After

11/09/2023, 09:26

Subject

CN=SSL.com Root Certification Authority RSA,O=SSL Corporation,L=Houston,ST=Texas,C=US

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

6d:52:18:70:87:e8:23:4d:85:60:00:d0:80:8f:93:56
Certificate

Issuer

CN=SSL.com Root Certification Authority RSA,O=SSL Corporation,L=Houston,ST=Texas,C=US

Not Before

13/11/2019, 18:50

Not After

12/11/2034, 18:50

Subject

CN=SSL.com Timestamping Issuing RSA CA R1,O=SSL Corp,L=Houston,ST=Texas,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

fa:f3:a5:d5:67:7b:d7:8d:46:40:17:d4:12:e1:78:a8:14:39:35:3f:a2:57:e3:eb:70:8b:43:f3:9d:9e:3f:68
Signer

Actual PE Digest

fa:f3:a5:d5:67:7b:d7:8d:46:40:17:d4:12:e1:78:a8:14:39:35:3f:a2:57:e3:eb:70:8b:43:f3:9d:9e:3f:68

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
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentProcessorNumber
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetExitCodeProcess
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHandleCount
GetProcessHeap
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
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
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
SetFilePointerEx
SetHandleInformation
SetInformationJobObject
SetLastError
SetNamedPipeHandleState
SetProcessShutdownParameters
SetStdHandle
SetThreadAffinityMask
SetThreadPriority
SetUnhandledExceptionFilter
SignalObjectAndWait
Sleep
SleepConditionVariableSRW
SleepEx
SuspendThread
SystemTimeToTzSpecificLocalTime
TerminateJobObject
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TransactNamedPipe
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnlockFileEx
UnmapViewOfFile
UnregisterWait
UnregisterWaitEx
UpdateProcThreadAttribute
VirtualAllocEx
VirtualFree
VirtualFreeEx
VirtualProtect
VirtualProtectEx
VirtualQuery
VirtualQueryEx
WaitForMultipleObjects
WaitForSingleObject
WaitForSingleObjectEx
WaitNamedPipeW
WakeAllConditionVariable
WideCharToMultiByte
Wow64GetThreadContext
WriteConsoleW
WriteFile
WriteProcessMemory
lstrcmpiA
lstrlenW

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

Exports

Exports

GetHandleVerifier
IsSandboxedProcess

Sections

.text
Size: 1.4MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 298KB - Virtual size: 298KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 14KB - Virtual size: 37KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 53KB - Virtual size: 52KB

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: 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: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 313KB - Virtual size: 313KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d75a6917dd41b6164f0b6788ef978211

Code Sign

7b:2c:9b:d3:16:80:32:99Certificate

Key Usages

64:33:51:d3:c7:38:9f:08Certificate

Extended Key Usages

Key Usages

38:a6:4a:fe:46:9c:03:7a:03:b0:8a:4e:39:cb:9a:6fCertificate

Extended Key Usages

Key Usages

1a:d6:08:a7:d6:34:b5:cd:de:97:cb:a3:cc:f0:d0:4bCertificate

Extended Key Usages

Key Usages

e4:27:04:95:f6:8c:91:d6:d0:ec:7b:49:4e:a4:df:1cCertificate

Key Usages

6d:52:18:70:87:e8:23:4d:85:60:00:d0:80:8f:93:56Certificate

Extended Key Usages

Key Usages

fa:f3:a5:d5:67:7b:d7:8d:46:40:17:d4:12:e1:78:a8:14:39:35:3f:a2:57:e3:eb:70:8b:43:f3:9d:9e:3f:68Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

nw_elf

kernel32

version

Exports

Exports

Sections

.text Size: 1.4MB - Virtual size: 1.4MB

.rdata Size: 298KB - Virtual size: 298KB

.data Size: 14KB - Virtual size: 37KB

.pdata Size: 53KB - Virtual size: 52KB

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

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

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

CPADinfo Size: 512B - Virtual size: 56B

.rsrc Size: 313KB - Virtual size: 313KB

.reloc Size: 9KB - Virtual size: 8KB

7b:2c:9b:d3:16:80:32:99
Certificate

64:33:51:d3:c7:38:9f:08
Certificate

38:a6:4a:fe:46:9c:03:7a:03:b0:8a:4e:39:cb:9a:6f
Certificate

1a:d6:08:a7:d6:34:b5:cd:de:97:cb:a3:cc:f0:d0:4b
Certificate

e4:27:04:95:f6:8c:91:d6:d0:ec:7b:49:4e:a4:df:1c
Certificate

6d:52:18:70:87:e8:23:4d:85:60:00:d0:80:8f:93:56
Certificate

fa:f3:a5:d5:67:7b:d7:8d:46:40:17:d4:12:e1:78:a8:14:39:35:3f:a2:57:e3:eb:70:8b:43:f3:9d:9e:3f:68
Signer

.text
Size: 1.4MB - Virtual size: 1.4MB

.rdata
Size: 298KB - Virtual size: 298KB

.data
Size: 14KB - Virtual size: 37KB

.pdata
Size: 53KB - Virtual size: 52KB

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

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

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

CPADinfo
Size: 512B - Virtual size: 56B

.rsrc
Size: 313KB - Virtual size: 313KB

.reloc
Size: 9KB - Virtual size: 8KB