r77 | 55527507b7a4380ed6cd1cd7e3ebf6a3f3c1acdf263760f85d986b98c90cd8a6

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General

Target

55527507b7a4380ed6cd1cd7e3ebf6a3f3c1acdf263760f85d986b98c90cd8a6
Size

1.7MB
MD5

3b4b5f857d853f6dccd4976624acb6cc
SHA1

193251c516508cfacadd8c3cf9a4fbc13ad28c74
SHA256

55527507b7a4380ed6cd1cd7e3ebf6a3f3c1acdf263760f85d986b98c90cd8a6
SHA512

a46a5cfdf800e8c19ff5c39830b9d121c91ba55c7c414876d3321f3cf08de7f089638f496c178128fdebbd53f0d280c9763fc78eed1c06dc43955f280ca690e4
SSDEEP

24576:8Sal4MDeQZ0EaZD16NFWT2/wajWeqD4EAfGTFyaPj2wd1I9DSVXT5X:8S44hQZ0BD14FWAwajWEGF1Ky1NXT5X

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
55527507b7a4380ed6cd1cd7e3ebf6a3f3c1acdf263760f85d986b98c90cd8a6

Files

55527507b7a4380ed6cd1cd7e3ebf6a3f3c1acdf263760f85d986b98c90cd8a6
.exe windows:6 windows x64

0768a4538089c9fb1394fecc35788a70

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

user32

SetProcessDPIAware
MessageBoxA
MessageBoxW

advapi32

SetNamedSecurityInfoW
GetNamedSecurityInfoW
SetEntriesInAclW
ConvertStringSidToSidW

shell32

SHGetFolderPathW

ole32

CoInitializeEx
CoUninitialize

oleaut32

SafeArrayCreate
SafeArrayAccessData
SafeArrayUnaccessData
VariantInit

mscoree

CLRCreateInstance
CorBindToRuntime

wininet

InternetOpenUrlA
InternetOpenA
HttpQueryInfoA
InternetReadFile

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

winmm

PlaySoundW

Sections

.text
Size: 606KB - Virtual size: 605KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 222KB - Virtual size: 221KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 24KB - Virtual size: 23KB

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: 824KB - Virtual size: 824KB

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

0768a4538089c9fb1394fecc35788a70

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

ole32

oleaut32

mscoree

wininet

version

winmm

Sections

.text Size: 606KB - Virtual size: 605KB

.rdata Size: 222KB - Virtual size: 221KB

.data Size: 8KB - Virtual size: 18KB

.pdata Size: 24KB - Virtual size: 23KB

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 824KB - Virtual size: 824KB

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

.text
Size: 606KB - Virtual size: 605KB

.rdata
Size: 222KB - Virtual size: 221KB

.data
Size: 8KB - Virtual size: 18KB

.pdata
Size: 24KB - Virtual size: 23KB

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 824KB - Virtual size: 824KB

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