r77 | f71c66445791d7ef906010e6be896905a068ae89c2e28175c7d82e232dcb8250

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General

Target

f71c66445791d7ef906010e6be896905a068ae89c2e28175c7d82e232dcb8250
Size

1.3MB
MD5

96ff86327ab40412f8573058a9228e8b
SHA1

ccb33b325c72a40bc3d804c1006565dc455d2465
SHA256

f71c66445791d7ef906010e6be896905a068ae89c2e28175c7d82e232dcb8250
SHA512

b40efb193628788e7fe630d125026c8b02631703f7ebbf75bc5bc3ff75296d49fb8d8064a781872b768a1e479f9e88fcb2fcd8e01f054a4d6f4ef9da6197aa8d
SSDEEP

24576:5TmQQ16XhRga24/5Uu2J8quo4aDSVXT5XJ5SyaL:kQQShWaV/5UuiGXT5XJ5S1L

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
f71c66445791d7ef906010e6be896905a068ae89c2e28175c7d82e232dcb8250

Files

f71c66445791d7ef906010e6be896905a068ae89c2e28175c7d82e232dcb8250
.exe windows:6 windows x64 arch:x64

3ec0fcbdd03d5fe414750f2d90fb7a9a

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
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
GetFileSizeEx
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

Sections

.text
Size: 351KB - Virtual size: 350KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 110KB - Virtual size: 110KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 16KB - Virtual size: 15KB

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: 850KB - Virtual size: 849KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3ec0fcbdd03d5fe414750f2d90fb7a9a

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

ole32

oleaut32

mscoree

wininet

version

winmm

Sections

.text Size: 351KB - Virtual size: 350KB

.rdata Size: 110KB - Virtual size: 110KB

.data Size: 6KB - Virtual size: 14KB

.pdata Size: 16KB - Virtual size: 15KB

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 850KB - Virtual size: 849KB

.reloc Size: 3KB - Virtual size: 2KB

.text
Size: 351KB - Virtual size: 350KB

.rdata
Size: 110KB - Virtual size: 110KB

.data
Size: 6KB - Virtual size: 14KB

.pdata
Size: 16KB - Virtual size: 15KB

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 850KB - Virtual size: 849KB

.reloc
Size: 3KB - Virtual size: 2KB