2024-02-29_33655ff0018cf981da7c2bf5631e448a_ryuk

Sharing

Copy URL

Twitter E-mail

General

Target

2024-02-29_33655ff0018cf981da7c2bf5631e448a_ryuk
Size

3.5MB
MD5

33655ff0018cf981da7c2bf5631e448a
SHA1

2f1ad5a9abdf9a964bf74bcee770e4d7053f3ad8
SHA256

381f531910839ded20ad0e060ef5a661d7df3bb4fc651b5019a116be7082e55b
SHA512

fa4aa59aca4653b1587a5bf1a2a8216f5131ffc2c07f236b8686fdd68e083bad6a72da771cdadd47f9bf454c0f3f3e48089c14647fd9ed7620f9281d9f7ae295
SSDEEP

49152:u8v72BDg78l86jytWuMo7bFdM3A/KW+SoWRMaTSDjKS5XHiWtA5OzKWBNnqtVKlg:ABb86MWro/FdM3A/4jWvig

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-02-29_33655ff0018cf981da7c2bf5631e448a_ryuk

Files

2024-02-29_33655ff0018cf981da7c2bf5631e448a_ryuk
.exe windows:5 windows x64 arch:x64

b5cc74d8b6b30bf098fe81432fef2d17

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
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

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

gdi32

CreateFontIndirectW
DeleteDC
DeleteObject
EnumFontFamiliesExW
GetCharABCWidthsW
GetFontData
GetGlyphOutlineW
GetOutlineTextMetricsW
GetFontUnicodeRanges
GetGlyphIndicesW
GetTextExtentPointI
AddFontMemResourceEx
RemoveFontMemResourceEx
SelectObject
SetBkMode
SetGraphicsMode
SetTextColor
SetTextAlign
GetTextMetricsW
SetWorldTransform
CreateDIBSection
ExtTextOutW
GetTextFaceW
GdiFlush
CreateCompatibleDC

kernel32

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

psapi

GetMappedFileNameW

shell32

SHGetKnownFolderPath
SHGetSpecialFolderPathW
CommandLineToArgvW
SHGetFolderPathW

user32

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

usp10

ScriptShape
ScriptItemize
ScriptFreeCache

version

VerQueryValueW
GetFileVersionInfoSizeW
GetFileVersionInfoW

winmm

timeGetTime

wtsapi32

WTSQuerySessionInformationW
WTSFreeMemory

rpcrt4

UuidCreate

winhttp

WinHttpCrackUrl
WinHttpSetTimeouts
WinHttpOpenRequest
WinHttpOpen
WinHttpCloseHandle
WinHttpConnect
WinHttpQueryHeaders
WinHttpReadData
WinHttpAddRequestHeaders
WinHttpSendRequest
WinHttpReceiveResponse

Exports

Exports

GetHandleVerifier
IsSandboxedProcess

Sections

.text
Size: 2.7MB - Virtual size: 2.7MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 463KB - Virtual size: 462KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 14KB - Virtual size: 60KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 164KB - Virtual size: 163KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 1024B - Virtual size: 764B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 32KB - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 123KB - Virtual size: 122KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 19KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b5cc74d8b6b30bf098fe81432fef2d17

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

chrome_elf

advapi32

gdi32

kernel32

psapi

shell32

user32

usp10

version

winmm

wtsapi32

rpcrt4

winhttp

Exports

Exports

Sections

.text Size: 2.7MB - Virtual size: 2.7MB

.rdata Size: 463KB - Virtual size: 462KB

.data Size: 14KB - Virtual size: 60KB

.pdata Size: 164KB - Virtual size: 163KB

.gfids Size: 1024B - Virtual size: 764B

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

_RDATA Size: 32KB - Virtual size: 32KB

.rsrc Size: 123KB - Virtual size: 122KB

.reloc Size: 19KB - Virtual size: 19KB

.text
Size: 2.7MB - Virtual size: 2.7MB

.rdata
Size: 463KB - Virtual size: 462KB

.data
Size: 14KB - Virtual size: 60KB

.pdata
Size: 164KB - Virtual size: 163KB

.gfids
Size: 1024B - Virtual size: 764B

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

_RDATA
Size: 32KB - Virtual size: 32KB

.rsrc
Size: 123KB - Virtual size: 122KB

.reloc
Size: 19KB - Virtual size: 19KB