r77 | 6ff8b5a63d73317d667c59a8797fc05a4bc3c16ff8bf54fc2c4909358a1ec312

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General

Target

6ff8b5a63d73317d667c59a8797fc05a4bc3c16ff8bf54fc2c4909358a1ec312
Size

1.7MB
MD5

a642980d7ff579f6063f01bcb1810244
SHA1

3e409aaabef56963b79a9949a12aea085aec6014
SHA256

6ff8b5a63d73317d667c59a8797fc05a4bc3c16ff8bf54fc2c4909358a1ec312
SHA512

fbd944bce9bc0d1a88dd2c792f5cf88feb2e3670eb51d444f8f847c5b645210bee3759ebbc2df3c74c5316bffbe2277b497bee37e0eb44d328a642bfcc53a9c7
SSDEEP

24576:8gvzrVShBLSQbOr5fc80YhUwr3+xzXN11CJ7ioARMdzNTMLBjOovG+DSVXT5Xgs3:8grSwD+xzN1E5mUzN8GXT5XgsVT1

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
6ff8b5a63d73317d667c59a8797fc05a4bc3c16ff8bf54fc2c4909358a1ec312

Files

6ff8b5a63d73317d667c59a8797fc05a4bc3c16ff8bf54fc2c4909358a1ec312
.exe windows x64

026fa7d7230635ae8f7607d292266155

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

Imports

kernel32

GetCurrentProcessId
LoadLibraryW
GetProcAddress
GetLastError
InitializeCriticalSectionEx
DeleteCriticalSection
DecodePointer
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
GetProcessHeap
WaitNamedPipeW
CreateFileW
ReadFile
WriteFile
GetModuleHandleA
LoadLibraryA
GetPrivateProfileStringW
WritePrivateProfileStringW
GetModuleHandleW
FindResourceW
LoadResource
Sleep
LockResource
GetFileAttributesW
GetModuleFileNameW
LoadLibraryExW
FreeLibrary
MultiByteToWideChar
CreateProcessW
GetCurrentProcess
IsWow64Process
GetTickCount64
SetLastError
ResumeThread
WaitForSingleObject
LocalFree
GetTempPathW
CreateDirectoryW
WriteConsoleW
SetStdHandle
FreeEnvironmentStringsW
GetEnvironmentStringsW
MapViewOfFile
CreateFileMappingW
UnmapViewOfFile
SizeofResource
CloseHandle
GetCommandLineW
GetCommandLineA
FindNextFileW
FindFirstFileExW
FindClose
GetOEMCP
GetACP
IsValidCodePage
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
SetFilePointerEx
GetFileType
InitializeSRWLock
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryAcquireSRWLockExclusive
GetCurrentThreadId
WideCharToMultiByte
WaitForSingleObjectEx
GetExitCodeThread
GetStringTypeW
EnterCriticalSection
LeaveCriticalSection
EncodePointer
CompareStringEx
GetCPInfo
LCMapStringEx
QueryPerformanceCounter
GetSystemTimeAsFileTime
InitializeCriticalSectionAndSpinCount
SetEvent
ResetEvent
CreateEventW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
InitializeSListHead
OutputDebugStringW
RaiseException
RtlUnwindEx
RtlPcToFileHeader
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
RtlUnwind
CreateThread
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
ExitProcess
GetStdHandle

user32

MessageBoxW
MessageBoxA
SetProcessDPIAware

advapi32

SetEntriesInAclW
ConvertStringSidToSidW
GetNamedSecurityInfoW
SetNamedSecurityInfoW

shell32

SHGetFolderPathW

ole32

CoInitializeEx
CoUninitialize

oleaut32

VariantInit
SafeArrayCreate
SafeArrayAccessData
SafeArrayUnaccessData

mscoree

CLRCreateInstance
CorBindToRuntime

wininet

InternetOpenUrlA
InternetOpenA
InternetReadFile

version

VerQueryValueW
GetFileVersionInfoW
GetFileVersionInfoSizeW

winmm

PlaySoundW

Sections

.text
Size: 622KB - Virtual size: 622KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 226KB - Virtual size: 226KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 22KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 832KB - Virtual size: 832KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

026fa7d7230635ae8f7607d292266155

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

ole32

oleaut32

mscoree

wininet

version

winmm

Sections

.text Size: 622KB - Virtual size: 622KB

.rdata Size: 226KB - Virtual size: 226KB

.data Size: 8KB - Virtual size: 18KB

.pdata Size: 22KB - Virtual size: 22KB

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 832KB - Virtual size: 832KB

.reloc Size: 3KB - Virtual size: 3KB

.text
Size: 622KB - Virtual size: 622KB

.rdata
Size: 226KB - Virtual size: 226KB

.data
Size: 8KB - Virtual size: 18KB

.pdata
Size: 22KB - Virtual size: 22KB

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 832KB - Virtual size: 832KB

.reloc
Size: 3KB - Virtual size: 3KB