2024-03-26_203db4aaf0d8023b8c4292f178be1881_ryuk

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General

Target

2024-03-26_203db4aaf0d8023b8c4292f178be1881_ryuk
Size

3.5MB
MD5

203db4aaf0d8023b8c4292f178be1881
SHA1

91360961b465b17090058066242287c272b88761
SHA256

fd7076f6b14e222e7ad9d877f374c6dcf8db2c0573e5e9dd54f9cdbe5e154ef2
SHA512

f064a89ff337c5d59792a2675e01189f901d76666c6763b3a8d9360afdf6cafecd8478f4b2522d903a26405a02a65eeee157469cb12e3080b8a8248334b20de8
SSDEEP

49152:2sMdKhfwukpv2aJFJhOPwZgvs9vCa1DHTvsmkdmkmQBbj:+dGqzJFTCq7smGmf2bj

Score

1^/10

Malware Config

Signatures

Files

2024-03-26_203db4aaf0d8023b8c4292f178be1881_ryuk
.exe windows:5 windows x64 arch:x64

ed339dd2ed295b5a7c7a626569ae20ae

Code Sign

2b:b2:b5:18:a6:4a:e9:23:a4:0b:33:7f
Certificate

Issuer

CN=GlobalSign CodeSigning CA - G3,O=GlobalSign nv-sa,C=BE

Not Before

25/06/2020, 14:49

Not After

26/06/2022, 14:49

Subject

CN=YANDEX LLC,O=YANDEX LLC,L=Moscow,ST=Moscow,C=RU

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1b
Certificate

Issuer

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

Not Before

10/11/2006, 00:00

Not After

10/11/2021, 00:00

Subject

CN=DigiCert Assured ID CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageServerAuth
ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning
ExtKeyUsageEmailProtection
ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66
Certificate

Issuer

CN=DigiCert Assured ID CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

22/10/2014, 00:00

Not After

22/10/2024, 00:00

Subject

CN=DigiCert Timestamp Responder,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

25:a8:16:ae:d0:6a:b5:88:f2:b4:28:63
Certificate

Issuer

CN=GlobalSign Extended Validation CodeSigning CA - SHA256 - G3,O=GlobalSign nv-sa,C=BE

Not Before

08/05/2020, 15:47

Not After

08/06/2022, 15:47

Subject

SERIALNUMBER=1027700229193,CN=Yandex LLC,O=Yandex LLC,STREET=Ulitsa Lva Tolstogo\, 16,L=Moscow,ST=Moscow,C=RU,1.3.6.1.4.1.311.60.2.1.2=#13064d6f73636f77,1.3.6.1.4.1.311.60.2.1.3=#13025255,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1b
Certificate

Issuer

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

Not Before

10/11/2006, 00:00

Not After

10/11/2021, 00:00

Subject

CN=DigiCert Assured ID CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageServerAuth
ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning
ExtKeyUsageEmailProtection
ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66
Certificate

Issuer

CN=DigiCert Assured ID CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

22/10/2014, 00:00

Not After

22/10/2024, 00:00

Subject

CN=DigiCert Timestamp Responder,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

13:f9:95:a0:18:5d:82:7a:2f:4c:83:6c:39:b1:e0:91:f5:06:96:58:86:84:d7:f0:f1:cc:de:7e:65:d5:ae:dc
Signer

Actual PE Digest

13:f9:95:a0:18:5d:82:7a:2f:4c:83:6c:39:b1:e0:91:f5:06:96:58:86:84:d7:f0:f1:cc:de:7e:65:d5:ae:dc

Digest Algorithm

sha256

PE Digest Matches

true

c1:94:d2:90:10:22:c0:67:70:2d:a4:b5:e5:c0:f1:28:c5:88:ac:90
Signer

Actual PE Digest

c1:94:d2:90:10:22:c0:67:70:2d:a4:b5:e5:c0:f1:28:c5:88:ac:90

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_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

browser.exe.pdb

Imports

browser_elf

GetInstallDetailsPayload
ShouldRestartProcessBeforeExit_ExportThunk
ShouldShowRestartDialogEnvironmentString_ExportThunk
SignalChromeElf
SignalInitializeCrashReporting

kernel32

AcquireSRWLockExclusive
AssignProcessToJobObject
CloseHandle
CompareStringW
ConnectNamedPipe
CreateDirectoryW
CreateEventW
CreateFileMappingW
CreateFileW
CreateIoCompletionPort
CreateJobObjectW
CreateMutexW
CreateNamedPipeW
CreateProcessW
CreateRemoteThread
CreateSemaphoreW
CreateThread
CreateToolhelp32Snapshot
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
GetComputerNameExW
GetConsoleCP
GetConsoleMode
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentProcessorNumber
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetLogicalDriveStringsW
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
GlobalMemoryStatusEx
HeapAlloc
HeapDestroy
HeapFree
HeapReAlloc
HeapSetInformation
HeapSize
InitOnceExecuteOnce
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeProcThreadAttributeList
InitializeSListHead
IsDebuggerPresent
IsProcessInJob
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
K32GetPerformanceInfo
K32GetProcessImageFileNameW
K32GetProcessMemoryInfo
K32QueryWorkingSetEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LocalFree
LockFileEx
MapViewOfFile
MoveFileW
MultiByteToWideChar
OpenEventW
OpenProcess
OpenThread
OutputDebugStringA
OutputDebugStringW
PeekNamedPipe
PostQueuedCompletionStatus
Process32FirstW
Process32NextW
ProcessIdToSessionId
QueryDosDeviceW
QueryFullProcessImageNameW
QueryInformationJobObject
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReadProcessMemory
RegisterWaitForSingleObject
ReleaseMutex
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
SwitchToThread
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
lstrlenW

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

Exports

Exports

GetHandleVerifier
IsSandboxedProcess

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 303KB - Virtual size: 302KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 15KB - Virtual size: 37KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 55KB - Virtual size: 54KB

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: 36B

.rodata
Size: 512B - Virtual size: 96B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.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: 1.4MB - Virtual size: 1.4MB

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

ed339dd2ed295b5a7c7a626569ae20ae

Code Sign

2b:b2:b5:18:a6:4a:e9:23:a4:0b:33:7fCertificate

Extended Key Usages

Key Usages

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1bCertificate

Extended Key Usages

Key Usages

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66Certificate

Extended Key Usages

Key Usages

25:a8:16:ae:d0:6a:b5:88:f2:b4:28:63Certificate

Extended Key Usages

Key Usages

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1bCertificate

Extended Key Usages

Key Usages

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66Certificate

Extended Key Usages

Key Usages

13:f9:95:a0:18:5d:82:7a:2f:4c:83:6c:39:b1:e0:91:f5:06:96:58:86:84:d7:f0:f1:cc:de:7e:65:d5:ae:dcSigner

c1:94:d2:90:10:22:c0:67:70:2d:a4:b5:e5:c0:f1:28:c5:88:ac:90Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

browser_elf

kernel32

version

Exports

Exports

Sections

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

.rdata Size: 303KB - Virtual size: 302KB

.data Size: 15KB - Virtual size: 37KB

.pdata Size: 55KB - Virtual size: 54KB

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

.retplne Size: 512B - Virtual size: 36B

.rodata Size: 512B - Virtual size: 96B

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

CPADinfo Size: 512B - Virtual size: 56B

_RDATA Size: 512B - Virtual size: 148B

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

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

2b:b2:b5:18:a6:4a:e9:23:a4:0b:33:7f
Certificate

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1b
Certificate

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66
Certificate

25:a8:16:ae:d0:6a:b5:88:f2:b4:28:63
Certificate

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1b
Certificate

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66
Certificate

13:f9:95:a0:18:5d:82:7a:2f:4c:83:6c:39:b1:e0:91:f5:06:96:58:86:84:d7:f0:f1:cc:de:7e:65:d5:ae:dc
Signer

c1:94:d2:90:10:22:c0:67:70:2d:a4:b5:e5:c0:f1:28:c5:88:ac:90
Signer

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

.rdata
Size: 303KB - Virtual size: 302KB

.data
Size: 15KB - Virtual size: 37KB

.pdata
Size: 55KB - Virtual size: 54KB

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

.retplne
Size: 512B - Virtual size: 36B

.rodata
Size: 512B - Virtual size: 96B

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

CPADinfo
Size: 512B - Virtual size: 56B

_RDATA
Size: 512B - Virtual size: 148B

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

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