r77 | 8d03a6844ee77ffac2bb6184b603b80b3878b96b0645c81f26bbf1ebcbe142ce

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General

Target

8d03a6844ee77ffac2bb6184b603b80b3878b96b0645c81f26bbf1ebcbe142ce
Size

1.7MB
MD5

8ffd728d0056a6dbdc04e9f8b38be8c9
SHA1

a389b773e92426755476bfbace195bcd55fb7c9c
SHA256

8d03a6844ee77ffac2bb6184b603b80b3878b96b0645c81f26bbf1ebcbe142ce
SHA512

49f317647a9deed8f52385f658dc010c1dbbac41faf554d7e2fbedb21bb2211bced8029d945eb1b3d0880e9ec83aaac2b270bd50d8c320daf120f0a682f0d6a3
SSDEEP

24576:MrkZXbO6yZLQrC54NSGY1CiaZGjGpDSVXT5XrqE1agKya:MgZtyZkrC54YGWk+XT5Xesan1

Score

10^/10

r77

Malware Config

Signatures

R77 family
r77
r77 rootkit payload 1 IoCs
Detects the payload of the r77 rootkit.

Processes:

resource yara_rule

sample r77_payload

resource	yara_rule
sample	r77_payload

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

Processes:

resource
8d03a6844ee77ffac2bb6184b603b80b3878b96b0645c81f26bbf1ebcbe142ce

Files

8d03a6844ee77ffac2bb6184b603b80b3878b96b0645c81f26bbf1ebcbe142ce
.exe windows:6 windows x64 arch:x64

4021667ce7f494810a13699917c8dd88

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
WriteFile
GetTempPathW
DecodePointer
GetLastError
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
GetProcessHeap
InitializeCriticalSectionEx
DeleteCriticalSection
CreateProcessW
GetTickCount
GetModuleFileNameW
GetModuleHandleW
ReadFile
WaitNamedPipeW
GetModuleHandleA
LoadLibraryA
MapViewOfFile
WritePrivateProfileStringW
LoadResource
LockResource
SizeofResource
FindResourceW
GetFileAttributesW
FreeLibrary
LoadLibraryExW
MultiByteToWideChar
GetCurrentProcess
GetTickCount64
IsWow64Process
SetLastError
GetFileSizeEx
WaitForSingleObject
ResumeThread
CreateDirectoryW
LocalFree
SetEndOfFile
WriteConsoleW
SetStdHandle
FreeEnvironmentStringsW
GetEnvironmentStringsW
CreateFileMappingW
GetCurrentProcessId
Sleep
GetPrivateProfileStringW
CloseHandle
GetCommandLineW
GetCommandLineA
FindNextFileW
FindFirstFileExW
FindClose
GetOEMCP
GetACP
IsValidCodePage
ReadConsoleW
SetFilePointerEx
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
GetFileType
GetStdHandle
ExitProcess
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryAcquireSRWLockExclusive
GetCurrentThreadId
WideCharToMultiByte
GetStringTypeW
WaitForSingleObjectEx
GetExitCodeThread
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
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
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: 652KB - Virtual size: 651KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 251KB - Virtual size: 251KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 10KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 26KB - 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: 832KB - Virtual size: 832KB

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

4021667ce7f494810a13699917c8dd88

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

ole32

oleaut32

mscoree

wininet

version

winmm

Sections

.text Size: 652KB - Virtual size: 651KB

.rdata Size: 251KB - Virtual size: 251KB

.data Size: 10KB - Virtual size: 20KB

.pdata Size: 26KB - Virtual size: 25KB

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 832KB - Virtual size: 832KB

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

.text
Size: 652KB - Virtual size: 651KB

.rdata
Size: 251KB - Virtual size: 251KB

.data
Size: 10KB - Virtual size: 20KB

.pdata
Size: 26KB - Virtual size: 25KB

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 832KB - Virtual size: 832KB

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