r77 | 47475ab9810e2fb9586e058dcfe71f7cfecd4de2dc198c79fe9a0cc4c6f21936

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General

Target
47475ab9810e2fb9586e058dcfe71f7cfecd4de2dc198c79fe9a0cc4c6f21936
Size 1.3MB
Sample261105-bvhmtsst3r
SHA256 47475ab9810e2fb9586e058dcfe71f7cfecd4de2dc198c79fe9a0cc4c6f21936
MD5 e63bb2572d1ea2c7324b1c9a46694c3c
SHA1 3a8b7ce3e0db03ab5999de5184a6712f9e764265
SHA512 e0ee047ecea61b2faa0eff954442bcae1388f08967c23ace43b17b25d19ce2c808526c51c1a5805be6db04a2374507175c6bc40cb0b713d866ae640b77b4307a
SSDEEP 24576:sihBpD2IfKHpnvOhmXw5S79JiBALC26/9P9RDSpH+HbJX:9iDHNvsmVqmLC26/59I+HVX
TLSH
T15E55BF1A676807F9E46B9178C9438906E3B278460775DBCF03A0876A2F677D1AE3F710
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rootkit r77

Malware Config

Signatures

Family: r77
r77 is an open-source, userland rootkit.
rootkit r77

r77 rootkit payload 1 IoCs

Detects the payload of the r77 rootkit.

resource	yara_rule
sample	r77_payload

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
47475ab9810e2fb9586e058dcfe71f7cfecd4de2dc198c79fe9a0cc4c6f21936

File Explorer

47475ab9810e2fb9586e058dcfe71f7cfecd4de2dc198c79fe9a0cc4c6f21936

.exe 1.3MB

47475ab9810e2fb9586e058dcfe71f7cfecd4de2dc198c79fe9a0cc4c6f21936

IMPHASH 99dde9683e2c2f1aa87a0ae0b5b0d41c
SHA256 47475ab9810e2fb9586e058dcfe71f7cfecd4de2dc198c79fe9a0cc4c6f21936
MD5 e63bb2572d1ea2c7324b1c9a46694c3c
SHA1 3a8b7ce3e0db03ab5999de5184a6712f9e764265
SHA512 e0ee047ecea61b2faa0eff954442bcae1388f08967c23ace43b17b25d19ce2c808526c51c1a5805be6db04a2374507175c6bc40cb0b713d866ae640b77b4307a
SSDEEP 24576:sihBpD2IfKHpnvOhmXw5S79JiBALC26/9P9RDSpH+HbJX:9iDHNvsmVqmLC26/59I+HVX
TLSH
T15E55BF1A676807F9E46B9178C9438906E3B278460775DBCF03A0876A2F677D1AE3F710
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

r77 rootkit payload

Detects the payload of the r77 rootkit.
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

201392

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

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

kernel32

GetCurrentProcessId LoadLibraryW GetProcAddress WaitNamedPipeW GetLastError CreateFileW ReadFile WriteFile GetModuleHandleA LoadLibraryA GetPrivateProfileStringW WritePrivateProfileStringW GetModuleHandleW FindResourceW LoadResource SizeofResource LockResource Sleep GetModuleFileNameW LoadLibraryExW FreeLibrary MultiByteToWideChar GetCurrentProcess IsWow64Process SetLastError ResumeThread WaitForSingleObject GetFileSizeEx LocalFree GetTempPathW CreateDirectoryW WriteConsoleW HeapSize MapViewOfFile CreateFileMappingW UnmapViewOfFile GetFileAttributesW CloseHandle GetProcessHeap SetEnvironmentVariableW FreeEnvironmentStringsW GetEnvironmentStringsW GetCommandLineW GetCommandLineA GetOEMCP GetACP IsValidCodePage FindNextFileW FindFirstFileExW FindClose GetTimeZoneInformation HeapReAlloc SetStdHandle GetFullPathNameW GetCurrentDirectoryW EnumSystemLocalesW GetUserDefaultLCID IsValidLocale WideCharToMultiByte GetStringTypeW WaitForSingleObjectEx GetCurrentThreadId GetExitCodeThread InitializeSRWLock ReleaseSRWLockExclusive AcquireSRWLockExclusive EnterCriticalSection LeaveCriticalSection InitializeCriticalSectionEx TryEnterCriticalSection DeleteCriticalSection EncodePointer DecodePointer LCMapStringEx QueryPerformanceCounter FlsAlloc FlsGetValue FlsSetValue FlsFree GetSystemTimeAsFileTime CompareStringEx GetCPInfo RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind UnhandledExceptionFilter SetUnhandledExceptionFilter TerminateProcess IsProcessorFeaturePresent IsDebuggerPresent GetStartupInfoW InitializeSListHead RtlUnwindEx RtlPcToFileHeader RaiseException InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree GetDriveTypeW GetFileInformationByHandle GetFileType PeekNamedPipe SystemTimeToTzSpecificLocalTime FileTimeToSystemTime ExitProcess GetModuleHandleExW CreateThread ExitThread FreeLibraryAndExitThread GetStdHandle HeapFree HeapAlloc SetFilePointerEx FlushFileBuffers GetConsoleOutputCP GetConsoleMode CompareStringW LCMapStringW GetLocaleInfoW

user32

MessageBoxA MessageBoxW

advapi32

SetEntriesInAclW ConvertStringSidToSidW GetNamedSecurityInfoW SetNamedSecurityInfoW

shell32

SHGetFolderPathW

oleaut32

SafeArrayCreate SafeArrayAccessData SafeArrayUnaccessData SafeArrayCreateVector SafeArrayDestroy

mscoree

CorBindToRuntime CLRCreateInstance

wininet

InternetReadFile InternetOpenUrlA InternetOpenA

version

GetFileVersionInfoSizeW GetFileVersionInfoW VerQueryValueW

winmm

PlaySoundW

Name

.text

Size

361KB

Virtual Size

361KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

124KB

Virtual Size

123KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

6KB

Virtual Size

14KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

16KB

Virtual Size

15KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

_RDATA

Size

512B

Virtual Size

348B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

772KB

Virtual Size

771KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

3KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

47475ab9810e2fb9586e058dcfe71f7cfecd4de2dc198c79fe9a0cc4c6f21936

kernel32

user32

advapi32

shell32

oleaut32

mscoree

wininet

version

winmm

generic