2024-03-26_466cf0a81c5325c5f003e8cba2fb5089_ryuk

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General

Target

2024-03-26_466cf0a81c5325c5f003e8cba2fb5089_ryuk
Size

982KB
MD5

466cf0a81c5325c5f003e8cba2fb5089
SHA1

e2f17a0df30618673f24380a7d82cc6a68bfb7d9
SHA256

522d8dd0a91405f212ae840447b61b6b6e019217802ee90907ad0a27bd567cf6
SHA512

95459e84f26a8b67fcf2613225919a98d553aa0f7ae1ec454d408400926ce288083211612bff7d1e0ace011a37ef4e941069c30c0e0b3ffbc6a367d84dfb38cf
SSDEEP

24576:ZQOaj/j0S5Zvrmg9mRg+8/kOjQMZJb2/Z:Wj/j0S5ZvxoRzykOjQ

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-26_466cf0a81c5325c5f003e8cba2fb5089_ryuk

Files

2024-03-26_466cf0a81c5325c5f003e8cba2fb5089_ryuk
.exe windows:5 windows x64 arch:x64

c336a1d2d96f64bfdefba32d01aca291

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:\b\c\b\win_x64_archive\src\out\Release_x64\initialexe\chrome.exe.pdb

Imports

chrome_elf

SignalInitializeCrashReporting
SignalChromeElf

advapi32

ImpersonateNamedPipeClient
GetUserNameW
RegCloseKey
RegCreateKeyExW
RegDeleteValueW
RegEnumKeyExW
RegOpenKeyExW
RegQueryInfoKeyW
RegQueryValueExW
RegSetValueExW
SystemFunction036
OpenProcessToken
GetAce
GetKernelObjectSecurity
GetLengthSid
GetSecurityDescriptorSacl
SetKernelObjectSecurity
SetTokenInformation
SetSecurityInfo
ConvertStringSidToSidW
ConvertStringSecurityDescriptorToSecurityDescriptorW
RevertToSelf
RegDisablePredefinedCache
CopySid
CreateWellKnownSid
CreateRestrictedToken
DuplicateToken
DuplicateTokenEx
EqualSid
GetTokenInformation
LookupPrivilegeValueW
CreateProcessAsUserW
SetThreadToken
ConvertSidToStringSidW
SetEntriesInAclW
GetSecurityInfo

kernel32

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

psapi

GetMappedFileNameW

shell32

SHGetKnownFolderPath
SHGetFolderPathW
SHGetSpecialFolderPathW
CommandLineToArgvW

user32

FindWindowExW
GetUserObjectInformationW
GetProcessWindowStation
SetProcessWindowStation
CreateWindowStationW
GetThreadDesktop
CloseWindowStation
CloseDesktop
GetWindowThreadProcessId
AllowSetForegroundWindow
IsWindow
SendMessageTimeoutW
CreateDesktopW

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

winmm

timeGetTime

wtsapi32

WTSQuerySessionInformationW
WTSFreeMemory

rpcrt4

UuidCreate

winhttp

WinHttpReadData
WinHttpSetTimeouts
WinHttpOpen
WinHttpCloseHandle
WinHttpQueryHeaders
WinHttpCrackUrl
WinHttpReceiveResponse
WinHttpOpenRequest
WinHttpAddRequestHeaders
WinHttpConnect
WinHttpSendRequest

Exports

Exports

GetHandleVerifier
IsSandboxedProcess

Sections

.text
Size: 688KB - Virtual size: 687KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 169KB - Virtual size: 169KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 38KB - Virtual size: 38KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 88B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 2B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c336a1d2d96f64bfdefba32d01aca291

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

chrome_elf

advapi32

kernel32

psapi

shell32

user32

version

winmm

wtsapi32

rpcrt4

winhttp

Exports

Exports

Sections

.text Size: 688KB - Virtual size: 687KB

.rdata Size: 169KB - Virtual size: 169KB

.data Size: 5KB - Virtual size: 21KB

.pdata Size: 38KB - Virtual size: 38KB

.didat Size: 512B - Virtual size: 88B

.tls Size: 512B - Virtual size: 2B

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

.reloc Size: 6KB - Virtual size: 5KB

.text
Size: 688KB - Virtual size: 687KB

.rdata
Size: 169KB - Virtual size: 169KB

.data
Size: 5KB - Virtual size: 21KB

.pdata
Size: 38KB - Virtual size: 38KB

.didat
Size: 512B - Virtual size: 88B

.tls
Size: 512B - Virtual size: 2B

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

.reloc
Size: 6KB - Virtual size: 5KB