2024-01-22_362ad7e1cec51a21a8505540fd9ee4af_ryuk

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General

Target

2024-01-22_362ad7e1cec51a21a8505540fd9ee4af_ryuk
Size

3.4MB
MD5

362ad7e1cec51a21a8505540fd9ee4af
SHA1

4d136508367182496f5c0156a95a4a47f6d7da47
SHA256

b6a46de55437bcd84fe3ddcf83374f52d1899c7b85abb92ca559cd9407111727
SHA512

9fc672b77c9b9c594b0ca6d10e44e1423ddb11a145a9bcff97586b0af95a2a686ebef5991c5694b9e22129dbd42b92c7c7d3659ac72cefc1d1a722ea55b78e12
SSDEEP

49152:6UjXVQdPfiAPG8EIpav8d0sgQNR1XnbtRBNn7668jGIyv5STMZL2y/B0:bV+PPEAav8Rmyx/

Score

1^/10

Malware Config

Signatures

Files

2024-01-22_362ad7e1cec51a21a8505540fd9ee4af_ryuk
.exe windows:5 windows x64 arch:x64

61d771cb7f77bbf9faf14a79750bfb4e

Code Sign

33:00:00:02:56:06:f5:9e:81:98:70:24:97:00:00:00:00:02:56
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

02/09/2021, 18:33

Not After

01/09/2022, 18:33

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

4b:72:95:7b:55:6a:b1:21:79:1a:93:ff:44:8e:02:5c:79:94:c5:0f:8c:89:97:6a:36:9d:00:3b:1a:2a:be:cf
Signer

Actual PE Digest

4b:72:95:7b:55:6a:b1:21:79:1a:93:ff:44:8e:02:5c:79:94:c5:0f:8c:89:97:6a:36:9d:00:3b:1a:2a:be:cf

Digest Algorithm

sha256

PE Digest Matches

false

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

Imports

msedge_elf

GetInstallDetailsPayload
IsBrowserProcess
SignalChromeElf
SignalInitializeCrashReporting

kernel32

AcquireSRWLockExclusive
AssignProcessToJobObject
CloseHandle
CompareStringW
ConnectNamedPipe
CopyFileW
CreateDirectoryW
CreateEventW
CreateFileA
CreateFileMappingW
CreateFileW
CreateIoCompletionPort
CreateJobObjectW
CreateMutexW
CreateNamedPipeW
CreateProcessW
CreateRemoteThread
CreateSemaphoreW
CreateThread
CreateToolhelp32Snapshot
DebugBreak
DeleteCriticalSection
DeleteFileW
DeleteProcThreadAttributeList
DisconnectNamedPipe
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesEx
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindNextFileW
FindResourceW
FlsAlloc
FlsSetValue
FlushFileBuffers
FlushViewOfFile
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetComputerNameExW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentProcessorNumber
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesExW
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileSizeEx
GetFileTime
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetLogicalProcessorInformation
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
GetThreadTimes
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetUserDefaultLangID
GetUserDefaultLocaleName
GetUserDefaultUILanguage
GetUserGeoID
GetVersionExW
GetWindowsDirectoryW
HeapDestroy
HeapSetInformation
InitOnceExecuteOnce
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeProcThreadAttributeList
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
K32GetPerformanceInfo
K32GetProcessMemoryInfo
K32QueryWorkingSetEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LoadResource
LocalFree
LockFileEx
LockResource
MapViewOfFile
MoveFileExW
MoveFileW
MultiByteToWideChar
OpenProcess
OutputDebugStringA
PeekNamedPipe
PostQueuedCompletionStatus
Process32FirstW
Process32NextW
ProcessIdToSessionId
QueryDosDeviceW
QueryInformationJobObject
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReadProcessMemory
RegisterWaitForSingleObject
ReleaseSRWLockExclusive
ReleaseSemaphore
RemoveDirectoryW
ReplaceFileW
ResetEvent
ResumeThread
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetCurrentDirectoryW
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFilePointer
SetFilePointerEx
SetHandleInformation
SetInformationJobObject
SetLastError
SetNamedPipeHandleState
SetProcessShutdownParameters
SetStdHandle
SetThreadAffinityMask
SetThreadPriority
SetUnhandledExceptionFilter
SizeofResource
Sleep
SleepConditionVariableSRW
SleepEx
SuspendThread
SystemTimeToTzSpecificLocalTime
TerminateJobObject
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TransactNamedPipe
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnlockFileEx
UnmapViewOfFile
UnregisterWait
UnregisterWaitEx
UpdateProcThreadAttribute
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualAllocEx
VirtualFree
VirtualFreeEx
VirtualProtect
VirtualProtectEx
VirtualQuery
VirtualQueryEx
WaitForMultipleObjects
WaitForSingleObject
WaitForSingleObjectEx
WaitNamedPipeW
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
Wow64GetThreadContext
WriteConsoleW
WriteFile
WriteProcessMemory
lstrlenW

Exports

Exports

GetHandleVerifier
GetMainTargetServices
GetPakFileHashes
IsSandboxedProcess

Sections

.text
Size: 2.3MB - Virtual size: 2.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 402KB - Virtual size: 401KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 41KB - Virtual size: 78KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 73KB - 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

.retplne
Size: 512B - Virtual size: 48B

.tls
Size: 512B - Virtual size: 313B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.voltbl
Size: 512B - Virtual size: 68B

CPADinfo
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 573KB - Virtual size: 572KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

61d771cb7f77bbf9faf14a79750bfb4e

Code Sign

33:00:00:02:56:06:f5:9e:81:98:70:24:97:00:00:00:00:02:56Certificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

4b:72:95:7b:55:6a:b1:21:79:1a:93:ff:44:8e:02:5c:79:94:c5:0f:8c:89:97:6a:36:9d:00:3b:1a:2a:be:cfSigner

Headers

DLL Characteristics

File Characteristics

Imports

msedge_elf

kernel32

Exports

Exports

Sections

.text Size: 2.3MB - Virtual size: 2.3MB

.rdata Size: 402KB - Virtual size: 401KB

.data Size: 41KB - Virtual size: 78KB

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

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

.retplne Size: 512B - Virtual size: 48B

.tls Size: 512B - Virtual size: 313B

.voltbl Size: 512B - Virtual size: 68B

CPADinfo Size: 512B - Virtual size: 56B

_RDATA Size: 512B - Virtual size: 244B

.rsrc Size: 573KB - Virtual size: 572KB

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

33:00:00:02:56:06:f5:9e:81:98:70:24:97:00:00:00:00:02:56
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

4b:72:95:7b:55:6a:b1:21:79:1a:93:ff:44:8e:02:5c:79:94:c5:0f:8c:89:97:6a:36:9d:00:3b:1a:2a:be:cf
Signer

.text
Size: 2.3MB - Virtual size: 2.3MB

.rdata
Size: 402KB - Virtual size: 401KB

.data
Size: 41KB - Virtual size: 78KB

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

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

.retplne
Size: 512B - Virtual size: 48B

.tls
Size: 512B - Virtual size: 313B

.voltbl
Size: 512B - Virtual size: 68B

CPADinfo
Size: 512B - Virtual size: 56B

_RDATA
Size: 512B - Virtual size: 244B

.rsrc
Size: 573KB - Virtual size: 572KB

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