r77 | b4ccdd7f43f6cb6bac4d1434edd5aa7c0ec4e71d7380de53d424d24c315f9c1c

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General

Target

b4ccdd7f43f6cb6bac4d1434edd5aa7c0ec4e71d7380de53d424d24c315f9c1c
Size

1.2MB
MD5

c896cd4bfa429fa111dca8bb5f028f96
SHA1

72224a7ea5938d2ea86d8aeb6cee55abaf61df98
SHA256

b4ccdd7f43f6cb6bac4d1434edd5aa7c0ec4e71d7380de53d424d24c315f9c1c
SHA512

2050e502ed1f6b96b65eb4f195a9842887b3c369d3ae7d38a96186aeeed188cdce13abf89cda9e5c382029df3dbcb22ddb47babcb1de3010458dfc9cc4e960ac
SSDEEP

24576:HqgTM8/TP5XsxDzwHhCeiqKl6lKiWj3MryahDSVXT5XQ:HjTT/TP5cxDze2qKjE1GXT5XQ

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
b4ccdd7f43f6cb6bac4d1434edd5aa7c0ec4e71d7380de53d424d24c315f9c1c

Files

b4ccdd7f43f6cb6bac4d1434edd5aa7c0ec4e71d7380de53d424d24c315f9c1c
.exe windows:6 windows x64 arch:x64

846ce39cddd11fb3e7c4b19ac27aa6c2

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
CreateFileW
ReadFile
WriteFile
GetLastError
WaitNamedPipeW
GetModuleHandleA
LoadLibraryA
GetPrivateProfileStringW
WritePrivateProfileStringW
GetModuleHandleW
LoadResource
LockResource
SizeofResource
FindResourceW
DecodePointer
HeapAlloc
HeapReAlloc
HeapFree
MapViewOfFile
GetProcessHeap
InitializeCriticalSectionEx
DeleteCriticalSection
GetFileAttributesW
FreeLibrary
GetModuleFileNameW
LoadLibraryExW
MultiByteToWideChar
GetCurrentProcess
IsWow64Process
SetLastError
WaitForSingleObject
ResumeThread
CreateDirectoryW
GetTempPathW
LocalFree
WriteConsoleW
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
CreateFileMappingW
GetCurrentProcessId
Sleep
HeapSize
CloseHandle
GetCommandLineW
GetCommandLineA
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
GetTimeZoneInformation
SetStdHandle
GetFullPathNameW
GetCurrentDirectoryW
SetFilePointerEx
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
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
RtlPcToFileHeader
RtlUnwindEx
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
ExitProcess
GetModuleHandleExW
GetDriveTypeW
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
CreateThread
ExitThread
FreeLibraryAndExitThread
GetStdHandle
CompareStringW

user32

MessageBoxA
MessageBoxW

advapi32

SetNamedSecurityInfoW
GetNamedSecurityInfoW
SetEntriesInAclW
ConvertStringSidToSidW

shell32

SHGetFolderPathW

ole32

CoInitializeEx
CoUninitialize

oleaut32

SafeArrayCreate
SafeArrayAccessData
SafeArrayUnaccessData
VariantInit

mscoree

CLRCreateInstance
CorBindToRuntime

wininet

HttpQueryInfoA
InternetOpenA
InternetOpenUrlA
InternetReadFile

version

VerQueryValueW
GetFileVersionInfoW
GetFileVersionInfoSizeW

winmm

PlaySoundW

Sections

.text
Size: 342KB - Virtual size: 342KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 108KB - Virtual size: 108KB

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: 767KB - Virtual size: 766KB

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

846ce39cddd11fb3e7c4b19ac27aa6c2

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

ole32

oleaut32

mscoree

wininet

version

winmm

Sections

.text Size: 342KB - Virtual size: 342KB

.rdata Size: 108KB - Virtual size: 108KB

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

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

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 767KB - Virtual size: 766KB

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

.text
Size: 342KB - Virtual size: 342KB

.rdata
Size: 108KB - Virtual size: 108KB

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

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

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 767KB - Virtual size: 766KB

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