r77 | ecb3307bcb139077d4e9aafbf7fa262acbfee30ac87c466de5be51ba944359df

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General

Target

ecb3307bcb139077d4e9aafbf7fa262acbfee30ac87c466de5be51ba944359df
Size

1.7MB
MD5

291e6ad289006fbdfd64d7c1d594b376
SHA1

044e00c11efd9022052e5b429bbd6abb1897e483
SHA256

ecb3307bcb139077d4e9aafbf7fa262acbfee30ac87c466de5be51ba944359df
SHA512

361b29482b30eeea1f78f796196b02770c8e7517b22a0d4ed49581785bcff8ffabf9244369ad1813f0535a31892d6fd64852d095d1689beff76be11dbaa649ec
SSDEEP

49152:sU0W9+rQgGtHXOQz+XI9kx4eEyhInBXT5Xr1:Xaqh+XT4eJhInBD5b1

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
ecb3307bcb139077d4e9aafbf7fa262acbfee30ac87c466de5be51ba944359df

Files

ecb3307bcb139077d4e9aafbf7fa262acbfee30ac87c466de5be51ba944359df
.exe windows:6 windows x64

01742ac71099f632b3444cc1ea21257e

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
WaitForSingleObject
ResumeThread
CreateDirectoryW
LocalFree
WriteConsoleW
SetStdHandle
FreeEnvironmentStringsW
GetEnvironmentStringsW
CreateFileMappingW
GetCurrentProcessId
Sleep
GetPrivateProfileStringW
CloseHandle
GetCommandLineW
GetCommandLineA
FindNextFileW
FindFirstFileExW
FindClose
GetOEMCP
GetACP
IsValidCodePage
SetFilePointerEx
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
GetFileType
GetStdHandle
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

user32

SetProcessDPIAware
MessageBoxA
MessageBoxW

advapi32

SetNamedSecurityInfoW
GetNamedSecurityInfoW
SetEntriesInAclW
ConvertStringSidToSidW

shell32

SHGetFolderPathW

ole32

CoInitializeEx
CoUninitialize

oleaut32

SysAllocString
SysFreeString
SafeArrayCreate
SafeArrayAccessData
SafeArrayUnaccessData
VariantInit

mscoree

CorBindToRuntime
CLRCreateInstance

wininet

InternetReadFile
InternetOpenUrlA
InternetOpenA
HttpQueryInfoA

version

VerQueryValueW
GetFileVersionInfoW
GetFileVersionInfoSizeW

winmm

PlaySoundW

Sections

.text
Size: 611KB - Virtual size: 610KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 227KB - Virtual size: 226KB

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

01742ac71099f632b3444cc1ea21257e

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

ole32

oleaut32

mscoree

wininet

version

winmm

Sections

.text Size: 611KB - Virtual size: 610KB

.rdata Size: 227KB - Virtual size: 226KB

.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: 611KB - Virtual size: 610KB

.rdata
Size: 227KB - Virtual size: 226KB

.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