r77 | f584f8f404380987ca496a333dc68ae21bfd5dca4b92132b53ae74b7873a3a9a

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General

Target

f584f8f404380987ca496a333dc68ae21bfd5dca4b92132b53ae74b7873a3a9a
Size

1.5MB
MD5

daf98e2f7836e0b6a5da1826c2e812b7
SHA1

73548c0e3962638d703bbcb6d146fd4b12d5b3e9
SHA256

f584f8f404380987ca496a333dc68ae21bfd5dca4b92132b53ae74b7873a3a9a
SHA512

a5850d968de7494bf8b2a01b506a9fd48cf28703c19bae9366ae588a08f524fb53d8ef905cd4169a40c09f1e72f5d1841e18047538908c0a1efe3eab94caa740
SSDEEP

24576:sq43+QGag0nB/oZGF3quJPrvQ21DSVXT5X9U6oya3AWOEF:Z+GalnOcBPzJKXT5Xu1w4F

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
f584f8f404380987ca496a333dc68ae21bfd5dca4b92132b53ae74b7873a3a9a

Files

f584f8f404380987ca496a333dc68ae21bfd5dca4b92132b53ae74b7873a3a9a
.exe windows:6 windows x64 arch:x64

e6d198a4258b2a691de1d4940c883d31

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

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: 371KB - Virtual size: 370KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 121KB - Virtual size: 121KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 17KB - Virtual size: 17KB

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: 992KB - Virtual size: 992KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

e6d198a4258b2a691de1d4940c883d31

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

ole32

oleaut32

mscoree

wininet

version

winmm

Sections

.text Size: 371KB - Virtual size: 370KB

.rdata Size: 121KB - Virtual size: 121KB

.data Size: 6KB - Virtual size: 14KB

.pdata Size: 17KB - Virtual size: 17KB

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 992KB - Virtual size: 992KB

.reloc Size: 3KB - Virtual size: 2KB

.text
Size: 371KB - Virtual size: 370KB

.rdata
Size: 121KB - Virtual size: 121KB

.data
Size: 6KB - Virtual size: 14KB

.pdata
Size: 17KB - Virtual size: 17KB

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 992KB - Virtual size: 992KB

.reloc
Size: 3KB - Virtual size: 2KB