r77 | f744191ded67a2470f2bc9d634ee05af278ee32e02815256f73a154f8a18716e

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General

Target

f744191ded67a2470f2bc9d634ee05af278ee32e02815256f73a154f8a18716e
Size

1.2MB
MD5

51aa314c5af7568884d4716a5d9d6949
SHA1

da275def18622456d6c8880259c1ff65a1aea255
SHA256

f744191ded67a2470f2bc9d634ee05af278ee32e02815256f73a154f8a18716e
SHA512

9c721a0d1acac03c90afe66fb75040cac0365f20e9c5624c2cbb3bcc1cb32250c86f7a491d3c12b0cb71b0ea5e7ec83560ceec4760fefdef98f7ab42646388b7
SSDEEP

24576:gvqpq1mNSZ8F+NhQrFjCFblyw6HGmcdmOibJ7sDSfQ:gv+uZ8FMWrFWF0NGmUxiV7LQ

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
f744191ded67a2470f2bc9d634ee05af278ee32e02815256f73a154f8a18716e

Files

f744191ded67a2470f2bc9d634ee05af278ee32e02815256f73a154f8a18716e
.exe windows:6 windows x64 arch:x64

a36a46175ba5025e365c6ff9a8d625f3

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
LoadLibraryW
GetProcAddress
WaitNamedPipeW
GetLastError
CreateFileW
ReadFile
WriteFile
GetModuleHandleA
LoadLibraryA
GetPrivateProfileStringW
WritePrivateProfileStringW
GetModuleHandleW
FindResourceW
LoadResource
SizeofResource
Sleep
GetFileAttributesW
GetModuleFileNameW
LoadLibraryExW
FreeLibrary
MultiByteToWideChar
GetCurrentProcess
IsWow64Process
SetLastError
ResumeThread
WaitForSingleObject
LocalFree
GetTempPathW
CreateDirectoryW
WriteConsoleW
HeapSize
MapViewOfFile
CreateFileMappingW
UnmapViewOfFile
LockResource
CloseHandle
GetProcessHeap
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
GetTimeZoneInformation
HeapReAlloc
SetStdHandle
GetFullPathNameW
GetCurrentDirectoryW
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
WideCharToMultiByte
GetStringTypeW
WaitForSingleObjectEx
SwitchToThread
GetCurrentThreadId
GetExitCodeThread
EnterCriticalSection
LeaveCriticalSection
TryEnterCriticalSection
DeleteCriticalSection
EncodePointer
DecodePointer
QueryPerformanceCounter
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetTickCount
GetCPInfo
CompareStringW
LCMapStringW
GetLocaleInfoW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
InitializeSListHead
CreateTimerQueue
SetEvent
SignalObjectAndWait
CreateThread
SetThreadPriority
GetThreadPriority
GetLogicalProcessorInformation
CreateTimerQueueTimer
ChangeTimerQueueTimer
DeleteTimerQueueTimer
GetNumaHighestNodeNumber
GetProcessAffinityMask
SetThreadAffinityMask
RegisterWaitForSingleObject
UnregisterWait
GetCurrentThread
GetThreadTimes
FreeLibraryAndExitThread
GetVersionExW
VirtualAlloc
VirtualProtect
VirtualFree
DuplicateHandle
ReleaseSemaphore
InterlockedPopEntrySList
InterlockedPushEntrySList
InterlockedFlushSList
QueryDepthSList
UnregisterWaitEx
RtlUnwindEx
RtlPcToFileHeader
RaiseException
GetDriveTypeW
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
ExitProcess
GetModuleHandleExW
ExitThread
GetStdHandle
HeapFree
HeapAlloc
SetFilePointerEx
FlushFileBuffers
GetConsoleCP
GetConsoleMode

user32

MessageBoxA
MessageBoxW

advapi32

SetEntriesInAclW
ConvertStringSidToSidW
GetNamedSecurityInfoW
SetNamedSecurityInfoW

shell32

SHGetFolderPathW

oleaut32

SafeArrayCreate
SafeArrayAccessData
SafeArrayUnaccessData
SafeArrayCreateVector
SafeArrayDestroy

mscoree

CorBindToRuntime
CLRCreateInstance

wininet

InternetReadFile
InternetOpenUrlA
InternetOpenA

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

winmm

PlaySoundW

Sections

.text
Size: 426KB - Virtual size: 426KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 147KB - Virtual size: 147KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 11KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 148B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 661KB - Virtual size: 661KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a36a46175ba5025e365c6ff9a8d625f3

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

oleaut32

mscoree

wininet

version

winmm

Sections

.text Size: 426KB - Virtual size: 426KB

.rdata Size: 147KB - Virtual size: 147KB

.data Size: 11KB - Virtual size: 20KB

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

_RDATA Size: 512B - Virtual size: 148B

.rsrc Size: 661KB - Virtual size: 661KB

.reloc Size: 5KB - Virtual size: 4KB

.text
Size: 426KB - Virtual size: 426KB

.rdata
Size: 147KB - Virtual size: 147KB

.data
Size: 11KB - Virtual size: 20KB

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

_RDATA
Size: 512B - Virtual size: 148B

.rsrc
Size: 661KB - Virtual size: 661KB

.reloc
Size: 5KB - Virtual size: 4KB