r77 | a6d5c264c22f7827fca4b9c51c8d3f47a4ea6370d14ab72e8fd414f484e96817

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General

Target

a6d5c264c22f7827fca4b9c51c8d3f47a4ea6370d14ab72e8fd414f484e96817
Size

1.7MB
MD5

fb9425609b3244c2cfb954d6d0f9e01b
SHA1

1cf702b2c62f0caca960d4d9acb23dc7e5175ad1
SHA256

a6d5c264c22f7827fca4b9c51c8d3f47a4ea6370d14ab72e8fd414f484e96817
SHA512

e2f30d0a5da50fd54f6dbaebd94d071fc58bf7b8e14e086c1d72476edd10e0cdae8a10619c5ea9b4fcfcc6b995ccd847933e3f49e7203fda04ac531f8b66af26
SSDEEP

24576:FnPRZrrOei2/mjEIhDaMMbJoqdj5mYEbImiA8CkT8DSVXT5Xk1W8B/Xya:Fn5fbJoQj5mZE4oxXT5Xk1WQv1

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
a6d5c264c22f7827fca4b9c51c8d3f47a4ea6370d14ab72e8fd414f484e96817

Files

a6d5c264c22f7827fca4b9c51c8d3f47a4ea6370d14ab72e8fd414f484e96817
.exe windows:6 windows x64 arch:x64

d99ef2cfe5594f55c6ba0cbef331dee2

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
HeapAlloc
HeapFree
Sleep
HeapSize
GetProcessHeap
GetFileAttributesW
GetModuleFileNameW
LoadLibraryExW
FreeLibrary
MultiByteToWideChar
CreateProcessW
GetCurrentProcess
IsWow64Process
GetTickCount64
SetLastError
ResumeThread
WaitForSingleObject
LocalFree
GetTempPathW
CreateDirectoryW
WriteConsoleW
SetStdHandle
FreeEnvironmentStringsW
MapViewOfFile
CreateFileMappingW
UnmapViewOfFile
HeapReAlloc
CloseHandle
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
FindNextFileW
FindFirstFileExW
FindClose
GetOEMCP
GetACP
IsValidCodePage
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
SetFilePointerEx
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
ExitProcess
GetModuleHandleExW
CreateThread
ExitThread
FreeLibraryAndExitThread
GetStdHandle
GetFileType

user32

MessageBoxA
MessageBoxW

advapi32

SetEntriesInAclW
ConvertStringSidToSidW
GetNamedSecurityInfoW
SetNamedSecurityInfoW

shell32

SHGetFolderPathW

ole32

CoInitializeEx
CoUninitialize

oleaut32

SafeArrayCreate
VariantInit
SafeArrayAccessData
SafeArrayUnaccessData

mscoree

CLRCreateInstance
CorBindToRuntime

wininet

InternetOpenUrlA
InternetOpenA
InternetReadFile

version

GetFileVersionInfoSizeW
VerQueryValueW
GetFileVersionInfoW

winmm

PlaySoundW

Sections

.text
Size: 612KB - Virtual size: 612KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 217KB - Virtual size: 216KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 17KB

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: 836KB - Virtual size: 835KB

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

d99ef2cfe5594f55c6ba0cbef331dee2

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

ole32

oleaut32

mscoree

wininet

version

winmm

Sections

.text Size: 612KB - Virtual size: 612KB

.rdata Size: 217KB - Virtual size: 216KB

.data Size: 8KB - Virtual size: 17KB

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

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 836KB - Virtual size: 835KB

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

.text
Size: 612KB - Virtual size: 612KB

.rdata
Size: 217KB - Virtual size: 216KB

.data
Size: 8KB - Virtual size: 17KB

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

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 836KB - Virtual size: 835KB

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