r77 | 81f704163356d316f5f5aaad54842443217d583aa75b2d41308bde5339adb58f

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General

Target

81f704163356d316f5f5aaad54842443217d583aa75b2d41308bde5339adb58f
Size

1.6MB
MD5

6e1c2ab61c3596b82f6b6b568986fd34
SHA1

1d48e28da58630b72ce51239d89e743342219662
SHA256

81f704163356d316f5f5aaad54842443217d583aa75b2d41308bde5339adb58f
SHA512

e628bdb41ee90467b9549e8aa3fce0d60b55cee6ab2b2bf6bdd2d02c2e4e9a324d2305becd69e3029db396ab392bb1448737a74ca05564238ba9d9f6dfb57d27
SSDEEP

24576:1poL9JosJqFByCgKw/8ZOFOyQpQlhSviY+jyGIkDSVXT5XH2RkJ18l5ya:1e9JqFfgKw/FOZQCpXT5XWOJ18l51

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
81f704163356d316f5f5aaad54842443217d583aa75b2d41308bde5339adb58f

Files

81f704163356d316f5f5aaad54842443217d583aa75b2d41308bde5339adb58f
.exe windows x64

472628a8b5e01b40da79fc5213e6d5db

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

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

user32

SetProcessDPIAware
MessageBoxA
MessageBoxW

advapi32

SetNamedSecurityInfoW
GetNamedSecurityInfoW
SetEntriesInAclW
ConvertStringSidToSidW

shell32

SHGetFolderPathW

ole32

CoInitializeEx
CoUninitialize

oleaut32

SafeArrayCreate
SafeArrayAccessData
SafeArrayUnaccessData
VariantInit

mscoree

CorBindToRuntime
CLRCreateInstance

wininet

InternetReadFile
InternetOpenUrlA
InternetOpenA
HttpQueryInfoA

version

VerQueryValueW
GetFileVersionInfoW
GetFileVersionInfoSizeW

winmm

PlaySoundW

Sections

.text
Size: 570KB - Virtual size: 570KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 211KB - Virtual size: 211KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 23KB - 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: 807KB - Virtual size: 806KB

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

472628a8b5e01b40da79fc5213e6d5db

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

ole32

oleaut32

mscoree

wininet

version

winmm

Sections

.text Size: 570KB - Virtual size: 570KB

.rdata Size: 211KB - Virtual size: 211KB

.data Size: 7KB - Virtual size: 17KB

.pdata Size: 23KB - Virtual size: 22KB

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 807KB - Virtual size: 806KB

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

.text
Size: 570KB - Virtual size: 570KB

.rdata
Size: 211KB - Virtual size: 211KB

.data
Size: 7KB - Virtual size: 17KB

.pdata
Size: 23KB - Virtual size: 22KB

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 807KB - Virtual size: 806KB

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