rasautou.exe

File Path: C:\Windows\system32\rasautou.exe
Description: Remote Access Dialer

Hashes

Type	Hash
MD5	`1CE09827C1778F8AB4F09C9541542479`
SHA1	`275DF18EE0F0B482708390B3A62C870CE303A9A8`
SHA256	`EEC5DBDF411A89F65247679840DC7A902180C1D23C94B0D92C283B4130664263`
SHA384	`23AF6F5C9B610B49095DB6AD1DB3BAF2A7992B1B5C622E80D78E261DC4BCC27C842696FD23BF9E40555FD22A8D606D9C`
SHA512	`F414C423C1CF770A9DFA036CE98AA7B527A9B8C3CE476EA09C64FD74B8EDB7DC45D0250BA2C7062CD74008A07D8E5FC9E5A65027A17066BE11A17E04B3629573`
SSDEEP	`384:lMzAORLrDeL9wSi37rT8Oy11BTwt4hxPsWHBW:ls/D5SwT8OZ2xPt`
IMP	`0B915B3D21B94438146557937D698E77`
PESHA1	`ECC4B7B29DD08BFDF2B00ED205C8FF952507EBE7`
PE256	`81F3401A4463D218504CA4FF634FC30F5ACE05AD6C0ED7ED3F6B4D98E9DF1B22`

Runtime Data

Usage (stdout):

Usage: rasautou [-f phonebook] [-a address] [-e entry] [-s]

Loaded Modules:

Path
C:\Windows\System32\KERNEL32.DLL
C:\Windows\System32\KERNELBASE.dll
C:\Windows\SYSTEM32\ntdll.dll
C:\Windows\system32\rasautou.exe

Signature

Status: Signature verified.
Serial: 3300000266BD1580EFA75CD6D3000000000266
Thumbprint: A4341B9FD50FB9964283220A36A1EF6F6FAA7840
Issuer: CN=Microsoft Windows Production PCA 2011, O=Microsoft Corporation, L=Redmond, S=Washington, C=US
Subject: CN=Microsoft Windows, O=Microsoft Corporation, L=Redmond, S=Washington, C=US

File Metadata

Original Filename: rasdlui.exe.mui
Product Name: Microsoft Windows Operating System
Company Name: Microsoft Corporation
File Version: 10.0.19041.1 (WinBuild.160101.0800)
Product Version: 10.0.19041.1
Language: English (United States)
Legal Copyright: Microsoft Corporation. All rights reserved.
Machine Type: 64-bit

File Scan

VirusTotal Detections: 0/75
VirusTotal Link: https://www.virustotal.com/gui/file/eec5dbdf411a89f65247679840dc7a902180c1d23c94b0d92c283b4130664263/detection

File Similarity (ssdeep match)

File	Score
C:\Windows\system32\rasautou.exe	55

Possible Misuse

The following table contains possible examples of rasautou.exe being misused. While rasautou.exe is not inherently malicious, its legitimate functionality can be abused for malicious purposes.

Source	Source File	Example	License
sigma	proc_creation_win_rasautou_dll_execution.yml	`title: DLL Execution via Rasautou.exe`	DRL 1.0
sigma	proc_creation_win_rasautou_dll_execution.yml	`description: Detects using Rasautou.exe for loading arbitrary .DLL specified in -d option and executes the export specified in -p.`	DRL 1.0
sigma	proc_creation_win_rasautou_dll_execution.yml	`- https://lolbas-project.github.io/lolbas/Binaries/Rasautou/`	DRL 1.0
sigma	proc_creation_win_rasautou_dll_execution.yml	`Image\\|endswith: '\rasautou.exe'`	DRL 1.0
LOLBAS	Rasautou.yml	`Name: Rasautou.exe`
LOLBAS	Rasautou.yml	`- Command: rasautou -d powershell.dll -p powershell -a a -e e`
LOLBAS	Rasautou.yml	`- Path: C:\Windows\System32\rasautou.exe`
LOLBAS	Rasautou.yml	`- IOC: rasautou.exe command line containing -d and -p`