r77 | 8c5eefadca62fd77c78deb7bb51038c9684e514d5b1009f8bff43f97c7ab633a

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General

Target

8c5eefadca62fd77c78deb7bb51038c9684e514d5b1009f8bff43f97c7ab633a
Size

1.9MB
MD5

cbd7acc16c2101d49111b56467ef054a
SHA1

340438506999618d62e0e823b04f994ed8b65c89
SHA256

8c5eefadca62fd77c78deb7bb51038c9684e514d5b1009f8bff43f97c7ab633a
SHA512

9d987d8ef356a0af93de641966c1c3f2d19e701e63ce01a66007f114311b9c4fe4ade43bdb5bb91f704b0dea09634ecf883b9330f588d998caffd7c612f4d37c
SSDEEP

24576:OaBN1Bkj7a5E4nGEHJcbIJcHN3h0lhSMXlg37u3t81Q31wDSVXT5XeDKO5sya7:3Lkj7QGmJcbIJEwQc3DXT5XiKJ17

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
8c5eefadca62fd77c78deb7bb51038c9684e514d5b1009f8bff43f97c7ab633a

Files

8c5eefadca62fd77c78deb7bb51038c9684e514d5b1009f8bff43f97c7ab633a
.exe windows:6 windows x64 arch:x64

fd37ef5ce4dfb91ece6a78739d35254a

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

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

user32

MessageBoxA
SetProcessDPIAware
MessageBoxW

advapi32

SetEntriesInAclW
ConvertStringSidToSidW
GetNamedSecurityInfoW
SetNamedSecurityInfoW

shell32

SHGetFolderPathW
ShellExecuteW

ole32

CoInitializeEx
CoUninitialize

oleaut32

SysFreeString
SysAllocString
VariantInit
SafeArrayCreate
SafeArrayAccessData
SafeArrayUnaccessData

mscoree

CLRCreateInstance
CorBindToRuntime

wininet

InternetOpenUrlA
InternetOpenA
InternetReadFile

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

winmm

PlaySoundW

Sections

.text
Size: 793KB - Virtual size: 792KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 360KB - Virtual size: 359KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 10KB - Virtual size: 84KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 30KB - Virtual size: 30KB

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: 794KB - Virtual size: 793KB

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

fd37ef5ce4dfb91ece6a78739d35254a

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

ole32

oleaut32

mscoree

wininet

version

winmm

Sections

.text Size: 793KB - Virtual size: 792KB

.rdata Size: 360KB - Virtual size: 359KB

.data Size: 10KB - Virtual size: 84KB

.pdata Size: 30KB - Virtual size: 30KB

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 794KB - Virtual size: 793KB

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

.text
Size: 793KB - Virtual size: 792KB

.rdata
Size: 360KB - Virtual size: 359KB

.data
Size: 10KB - Virtual size: 84KB

.pdata
Size: 30KB - Virtual size: 30KB

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 794KB - Virtual size: 793KB

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