r77 | bb15d0c336f73fc9c8fe1d675a218fb9[.]bin

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General

Target
bb15d0c336f73fc9c8fe1d675a218fb9.bin
Size 1.3MB
Sample240303-d565aacf95
SHA256 ba851696e371fb5168687c362a74bbca8f3a09fa5b7999f9c7b5294b39f2e92c
MD5 bb15d0c336f73fc9c8fe1d675a218fb9
SHA1 63038db54838ec0eceb917e56d69c1a024096ca6
SHA512 b12efc97b52eb0b7a21f85bde1c53ba0e239a870be4ed83a45c579bf67e2533d90db7f484704ac4f91730a752393fdf3fafb18a28eb75b10dfda29288672d3c2
SSDEEP 24576:DbsT8+hPULj6gh0yXGlkDXbhAFGvy6PNDSVXT5Xdqt3ya:vGhPULjXhBXxfhAFGvAXT5XK1
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
bb15d0c336f73fc9c8fe1d675a218fb9.bin

File Explorer

bb15d0c336f73fc9c8fe1d675a218fb9.bin

.exe 1.3MB

bb15d0c336f73fc9c8fe1d675a218fb9.bin

IMPHASH 28871e7fd41b875456d7742efbec7703
SHA256 ba851696e371fb5168687c362a74bbca8f3a09fa5b7999f9c7b5294b39f2e92c
MD5 bb15d0c336f73fc9c8fe1d675a218fb9
SHA1 63038db54838ec0eceb917e56d69c1a024096ca6
SHA512 b12efc97b52eb0b7a21f85bde1c53ba0e239a870be4ed83a45c579bf67e2533d90db7f484704ac4f91730a752393fdf3fafb18a28eb75b10dfda29288672d3c2
SSDEEP 24576:DbsT8+hPULj6gh0yXGlkDXbhAFGvy6PNDSVXT5Xdqt3ya:vGhPULjXhBXxfhAFGvAXT5XK1
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

220960

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

user32

MessageBoxA MessageBoxW

advapi32

SetEntriesInAclW ConvertStringSidToSidW GetNamedSecurityInfoW SetNamedSecurityInfoW

shell32

SHGetFolderPathW

ole32

CoInitializeEx CoUninitialize

oleaut32

SysFreeString SysAllocString

mscoree

CorBindToRuntime CLRCreateInstance

wininet

InternetOpenUrlA InternetOpenA InternetReadFile

version

GetFileVersionInfoSizeW VerQueryValueW GetFileVersionInfoW

winmm

PlaySoundW

Name

.text

Size

368KB

Virtual Size

368KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

136KB

Virtual Size

136KB

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

811KB

Virtual Size

811KB

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

bb15d0c336f73fc9c8fe1d675a218fb9.bin

kernel32

user32

advapi32

shell32

ole32

oleaut32

mscoree

wininet

version

winmm

generic