r77 | 09e2bed9f8e2b5211157c6d9b326e1b6cb02b103acb74ac5bfd020c20a8f33d2

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General

Target
09e2bed9f8e2b5211157c6d9b326e1b6cb02b103acb74ac5bfd020c20a8f33d2
Size 1.3MB
Sample231218-m723saabcl
SHA256 09e2bed9f8e2b5211157c6d9b326e1b6cb02b103acb74ac5bfd020c20a8f33d2
MD5 d9859e9eebc0aff762570ed16bab695e
SHA1 99642074ac1fd217bbf481c60d91f3b6d362beb7
SHA512 e4bc9ddeb862f686be0df83c8bfb3d4192352b5bb2ac29b7ff0e61b327e8889cbdfb0749bc13476b90011888512e214372368290356f1df32573b1a92270db20
SSDEEP 24576:w7JeIlrXu6oaYtM0ZZ44i68yhhIvgrQL7DSVXT5Xyhya:oJhlrXcaKMGZAyhRvXT5X01
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

r77

Malware Config

Signatures

R77 family
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
09e2bed9f8e2b5211157c6d9b326e1b6cb02b103acb74ac5bfd020c20a8f33d2

File Explorer

09e2bed9f8e2b5211157c6d9b326e1b6cb02b103acb74ac5bfd020c20a8f33d2

.exe 1.3MB

09e2bed9f8e2b5211157c6d9b326e1b6cb02b103acb74ac5bfd020c20a8f33d2

IMPHASH 6daf58e461fe52dc5fccedb5b376fb7a
SHA256 09e2bed9f8e2b5211157c6d9b326e1b6cb02b103acb74ac5bfd020c20a8f33d2
MD5 d9859e9eebc0aff762570ed16bab695e
SHA1 99642074ac1fd217bbf481c60d91f3b6d362beb7
SHA512 e4bc9ddeb862f686be0df83c8bfb3d4192352b5bb2ac29b7ff0e61b327e8889cbdfb0749bc13476b90011888512e214372368290356f1df32573b1a92270db20
SSDEEP 24576:w7JeIlrXu6oaYtM0ZZ44i68yhhIvgrQL7DSVXT5Xyhya:oJhlrXcaKMGZAyhRvXT5X01
MD5 SHA1 SHA512 SSDEEP

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

214776

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

user32

MessageBoxW MessageBoxA SetProcessDPIAware

advapi32

SetEntriesInAclW ConvertStringSidToSidW GetNamedSecurityInfoW SetNamedSecurityInfoW

shell32

SHGetFolderPathW

ole32

CoInitializeEx CoUninitialize

oleaut32

SysFreeString SysAllocString VariantInit SafeArrayCreate SafeArrayAccessData SafeArrayUnaccessData

mscoree

CLRCreateInstance CorBindToRuntime

wininet

InternetOpenUrlA InternetOpenA InternetReadFile

version

VerQueryValueW GetFileVersionInfoW GetFileVersionInfoSizeW

winmm

PlaySoundW

Name

.text

Size

361KB

Virtual Size

360KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

117KB

Virtual Size

117KB

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

808KB

Virtual Size

807KB

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

09e2bed9f8e2b5211157c6d9b326e1b6cb02b103acb74ac5bfd020c20a8f33d2

kernel32

user32

advapi32

shell32

ole32

oleaut32

mscoree

wininet

version

winmm

generic