Behavioral task
behavioral1
Sample
661c439f9bc5d32a9f0c7c3e1c6d7cd80e8496cb47618cac0f5de7600f44668b.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
661c439f9bc5d32a9f0c7c3e1c6d7cd80e8496cb47618cac0f5de7600f44668b.exe
Resource
win10v2004-20230703-en
General
-
Target
661c439f9bc5d32a9f0c7c3e1c6d7cd80e8496cb47618cac0f5de7600f44668b
-
Size
1.3MB
-
MD5
157ef2a6fdb3ffb2e6067a9eb9ab5b79
-
SHA1
3b8028de040a07408f482b22085f65b76e1920de
-
SHA256
661c439f9bc5d32a9f0c7c3e1c6d7cd80e8496cb47618cac0f5de7600f44668b
-
SHA512
5b8ae9ae5ced81c5f2861200a743a65ce420dbbafa6f8db423253e1f8e4419db09fd1f5e8df4ce167ed644885a0dfc9be8131174d57731f61dc8628be17a7f91
-
SSDEEP
24576:/M9c77wGYINCLUVVWLBmZNN0x5Jo+sUbtMxnLyafDSVXT5X:6c70PINCSVgk2JopUML1cXT5X
Malware Config
Signatures
-
R77 family
-
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 661c439f9bc5d32a9f0c7c3e1c6d7cd80e8496cb47618cac0f5de7600f44668b
Files
-
661c439f9bc5d32a9f0c7c3e1c6d7cd80e8496cb47618cac0f5de7600f44668b.exe windows x64
258c5c5e60ce21e45def033dbdde3699
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
CloseHandle
Sleep
WaitNamedPipeW
GetLastError
CreateFileW
ReadFile
WriteFile
GetModuleHandleA
LoadLibraryA
GetPrivateProfileStringW
WritePrivateProfileStringW
GetCurrentProcessId
GetProcAddress
GetModuleHandleW
FindResourceW
LoadResource
SizeofResource
LockResource
InitializeCriticalSectionEx
DeleteCriticalSection
DecodePointer
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
GetProcessHeap
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
GetFileAttributesW
GetModuleFileNameW
LoadLibraryExW
FreeLibrary
MultiByteToWideChar
GetCurrentProcess
LoadLibraryW
IsWow64Process
SetLastError
ResumeThread
WaitForSingleObject
GetFileSizeEx
GetTempPathW
CreateDirectoryW
WriteConsoleW
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
SetFilePointerEx
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
GetTimeZoneInformation
SetStdHandle
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetFullPathNameW
LocalFree
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
WideCharToMultiByte
GetStringTypeW
WaitForSingleObjectEx
GetExitCodeThread
TryAcquireSRWLockExclusive
EnterCriticalSection
LeaveCriticalSection
EncodePointer
LCMapStringEx
CompareStringEx
GetCPInfo
OutputDebugStringW
RaiseException
RtlUnwindEx
RtlPcToFileHeader
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetDriveTypeW
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
ExitProcess
GetModuleHandleExW
CreateThread
ExitThread
FreeLibraryAndExitThread
GetStdHandle
GetCurrentDirectoryW
user32
MessageBoxA
MessageBoxW
shell32
SHGetFolderPathW
ole32
CoInitializeEx
CoUninitialize
oleaut32
VariantInit
SafeArrayCreate
SafeArrayAccessData
SafeArrayUnaccessData
mscoree
CorBindToRuntime
CLRCreateInstance
wininet
InternetReadFile
InternetOpenA
InternetOpenUrlA
version
VerQueryValueW
GetFileVersionInfoW
GetFileVersionInfoSizeW
winmm
PlaySoundW
Sections
.text Size: 361KB - Virtual size: 361KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 125KB - Virtual size: 124KB
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: 16KB - Virtual size: 15KB
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: 809KB - Virtual size: 809KB
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