r77 | 628dde147c3b18a471af97a23d600f929f4cd395a330628bad79ef36781bcd9f

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General

Target

628dde147c3b18a471af97a23d600f929f4cd395a330628bad79ef36781bcd9f
Size

2.4MB
MD5

661b96903bcc280477687eafea94490c
SHA1

bf768cc4b289bfcc55ebb1d823ddb59528406987
SHA256

628dde147c3b18a471af97a23d600f929f4cd395a330628bad79ef36781bcd9f
SHA512

d8047c23478d80abdbc751a0c01441884e726ea7a40ac0301865278f83ad921e39ea0a866b904ad1f5df3b35302c2d332f61992d5f1ec8662ac0edea95e50f61
SSDEEP

49152:B1tlBBduVcFQbsnk62zHznhXT5X1H2GNTA1w4sJi/SeItCVbNdk1:rPWbsn+hD5zNTA17sJi/SeI4d

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
628dde147c3b18a471af97a23d600f929f4cd395a330628bad79ef36781bcd9f

Files

628dde147c3b18a471af97a23d600f929f4cd395a330628bad79ef36781bcd9f
.exe windows:6 windows x64 arch:x64

62fc61ae91074a1b73f0a43adb149c36

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
GetProcAddress
LoadLibraryW
CreateFileW
ReadFile
WriteFile
GetLastError
WaitNamedPipeW
GetModuleHandleA
LoadLibraryA
GetPrivateProfileStringW
WritePrivateProfileStringW
GetModuleHandleW
LoadResource
LockResource
SizeofResource
FindResourceW
DecodePointer
HeapAlloc
HeapReAlloc
GetCurrentProcessId
HeapSize
GetProcessHeap
InitializeCriticalSectionEx
DeleteCriticalSection
GetFileAttributesW
FreeLibrary
GetModuleFileNameW
LoadLibraryExW
MultiByteToWideChar
GetCurrentProcess
CreateProcessW
GetTickCount64
IsWow64Process
SetLastError
WaitForSingleObject
ResumeThread
LocalFree
WriteConsoleW
SetStdHandle
FreeEnvironmentStringsW
Sleep
CloseHandle
GetTempPathW
HeapFree
CreateDirectoryW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
FindNextFileW
FindFirstFileExW
FindClose
GetOEMCP
GetACP
IsValidCodePage
SetFilePointerEx
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryAcquireSRWLockExclusive
GetCurrentThreadId
WideCharToMultiByte
WaitForSingleObjectEx
GetExitCodeThread
GetStringTypeW
EnterCriticalSection
LeaveCriticalSection
QueryPerformanceCounter
EncodePointer
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
ExitProcess
GetModuleHandleExW
CreateThread
ExitThread
FreeLibraryAndExitThread
GetStdHandle
GetFileType

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: 658KB - Virtual size: 657KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 216KB - Virtual size: 215KB

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: 25KB - Virtual size: 25KB

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: 998KB - Virtual size: 997KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 568KB - Virtual size: 572KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

62fc61ae91074a1b73f0a43adb149c36

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

ole32

oleaut32

mscoree

wininet

version

winmm

Sections

.text Size: 658KB - Virtual size: 657KB

.rdata Size: 216KB - Virtual size: 215KB

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

.pdata Size: 25KB - Virtual size: 25KB

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 998KB - Virtual size: 997KB

.reloc Size: 568KB - Virtual size: 572KB

.text
Size: 658KB - Virtual size: 657KB

.rdata
Size: 216KB - Virtual size: 215KB

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

.pdata
Size: 25KB - Virtual size: 25KB

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 998KB - Virtual size: 997KB

.reloc
Size: 568KB - Virtual size: 572KB