r77 | 4280bf4db4d8250d942d0b35def272a27e6649fd575f3ff3f75c1a555ac6fcd6

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General

Target

4280bf4db4d8250d942d0b35def272a27e6649fd575f3ff3f75c1a555ac6fcd6
Size

2.0MB
MD5

b4d4678597c76922b52e84f7823d7867
SHA1

0a8b0954490efbf383b83fc5f68d284e0a639aa6
SHA256

4280bf4db4d8250d942d0b35def272a27e6649fd575f3ff3f75c1a555ac6fcd6
SHA512

1334fe98f1548dd14b666f57505f9879d7e3b2832eee364e86fce8bb7bfa5b422145bc40c0a105e6efd3ece5df393450f4fb672e151207d397a2a3b9d21890a1
SSDEEP

49152:AVImnP3ObryxvZcaS39o1LsWO4iaXT5XeM1i:A8OOaS36D5r1i

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
4280bf4db4d8250d942d0b35def272a27e6649fd575f3ff3f75c1a555ac6fcd6

Files

4280bf4db4d8250d942d0b35def272a27e6649fd575f3ff3f75c1a555ac6fcd6
.exe windows:6 windows x64 arch:x64

ffab9e0538c0337bf92a491dd4d51685

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

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

user32

MessageBoxA
MessageBoxW
SetProcessDPIAware

advapi32

SetNamedSecurityInfoW
GetNamedSecurityInfoW
SetEntriesInAclW
ConvertStringSidToSidW

shell32

SHGetFolderPathW
ShellExecuteW

ole32

CoInitializeEx
CoUninitialize

oleaut32

SysAllocString
SysFreeString
SafeArrayCreate
SafeArrayAccessData
SafeArrayUnaccessData
VariantInit

mscoree

CorBindToRuntime
CLRCreateInstance

wininet

InternetReadFile
InternetOpenUrlA
InternetOpenA
HttpQueryInfoA

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

winmm

PlaySoundW

Sections

.text
Size: 812KB - Virtual size: 811KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 371KB - Virtual size: 371KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 10KB - Virtual size: 85KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 31KB - Virtual size: 31KB

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: 815KB - Virtual size: 815KB

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

ffab9e0538c0337bf92a491dd4d51685

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

ole32

oleaut32

mscoree

wininet

version

winmm

Sections

.text Size: 812KB - Virtual size: 811KB

.rdata Size: 371KB - Virtual size: 371KB

.data Size: 10KB - Virtual size: 85KB

.pdata Size: 31KB - Virtual size: 31KB

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 815KB - Virtual size: 815KB

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

.text
Size: 812KB - Virtual size: 811KB

.rdata
Size: 371KB - Virtual size: 371KB

.data
Size: 10KB - Virtual size: 85KB

.pdata
Size: 31KB - Virtual size: 31KB

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 815KB - Virtual size: 815KB

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