2024-04-30_6fc2bef10fa9e6e28e541b93ca1b13d3_ryuk

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General

Target

2024-04-30_6fc2bef10fa9e6e28e541b93ca1b13d3_ryuk
Size

1.9MB
MD5

6fc2bef10fa9e6e28e541b93ca1b13d3
SHA1

015d09b81784f222d2ea2ba6a48322a89fc0cf9e
SHA256

5f8052dd4bc6d125a397cb06d423f18ba9590ab3eb4b43b4b359174b795df9cd
SHA512

a6a80ce44c7487111f5d69deac359551982462f9b0d91b36310b0a1fdf56f9f2f88b7c6f1e89de7f11d6264066775ff41bce89812563c966b97b0cbdb1db2238
SSDEEP

24576:WO5AtS9xr/AzkGwCGQ/JABJjq1tU2Ma4LT8BupLvVxY:P5At8xYwC3/JABJG1tR4LT8UG

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-30_6fc2bef10fa9e6e28e541b93ca1b13d3_ryuk

Files

2024-04-30_6fc2bef10fa9e6e28e541b93ca1b13d3_ryuk
.exe windows:5 windows x64 arch:x64

3dbce368f137098b47470fecc4b6c982

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

C:\jenkins\x64\src\out\Release\initialexe\chrome.exe.pdb

Imports

chrome_elf

GetInstallDetailsPayload
SignalChromeElf
SignalInitializeCrashReporting

kernel32

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

shell32

CommandLineToArgvW
SHGetFolderPathW
SHGetKnownFolderPath

advapi32

AccessCheck
ConvertSidToStringSidW
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertStringSidToSidW
CopySid
CreateProcessAsUserW
CreateRestrictedToken
CreateWellKnownSid
DuplicateToken
DuplicateTokenEx
EqualSid
FreeSid
GetAce
GetKernelObjectSecurity
GetLengthSid
GetNamedSecurityInfoW
GetSecurityDescriptorSacl
GetSecurityInfo
GetSidSubAuthority
GetTokenInformation
ImpersonateLoggedOnUser
ImpersonateNamedPipeClient
InitializeSid
IsValidSid
LookupPrivilegeValueW
MapGenericMask
OpenProcessToken
RegCloseKey
RegCreateKeyExW
RegDeleteValueW
RegDisablePredefinedCache
RegOpenKeyExW
RegQueryValueExW
RegSetValueExW
RevertToSelf
SetEntriesInAclW
SetKernelObjectSecurity
SetSecurityInfo
SetThreadToken
SetTokenInformation
SystemFunction036

user32

AllowSetForegroundWindow
CloseDesktop
CloseWindowStation
CreateDesktopW
CreateWindowExW
CreateWindowStationW
DefWindowProcW
DestroyWindow
DispatchMessageW
FindWindowExW
GetMessageW
GetProcessWindowStation
GetThreadDesktop
GetUserObjectInformationW
GetWindowLongPtrW
GetWindowThreadProcessId
IsWindow
PostMessageW
RegisterClassW
SendMessageTimeoutW
SetProcessDPIAware
SetProcessWindowStation
SetWindowLongPtrW
TranslateMessage
UnregisterClassW
wsprintfW

winmm

timeGetTime

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

shlwapi

PathMatchSpecW

psapi

GetPerformanceInfo
GetProcessMemoryInfo
QueryWorkingSetEx

Exports

Exports

GetHandleVerifier
IsSandboxedProcess

Sections

.text
Size: 1.2MB - Virtual size: 1.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 280KB - Virtual size: 280KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 10KB - Virtual size: 38KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 48KB - Virtual size: 47KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

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

CPADinfo
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

prot
Size: 512B - Virtual size: 364B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 357KB - Virtual size: 356KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3dbce368f137098b47470fecc4b6c982

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

chrome_elf

kernel32

shell32

advapi32

user32

winmm

version

shlwapi

psapi

Exports

Exports

Sections

.text Size: 1.2MB - Virtual size: 1.2MB

.rdata Size: 280KB - Virtual size: 280KB

.data Size: 10KB - Virtual size: 38KB

.pdata Size: 48KB - Virtual size: 47KB

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

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

CPADinfo Size: 512B - Virtual size: 56B

prot Size: 512B - Virtual size: 364B

.rsrc Size: 357KB - Virtual size: 356KB

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

.text
Size: 1.2MB - Virtual size: 1.2MB

.rdata
Size: 280KB - Virtual size: 280KB

.data
Size: 10KB - Virtual size: 38KB

.pdata
Size: 48KB - Virtual size: 47KB

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

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

CPADinfo
Size: 512B - Virtual size: 56B

prot
Size: 512B - Virtual size: 364B

.rsrc
Size: 357KB - Virtual size: 356KB

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