Remcos Dynwrapx

Description

simulated remcos script loading dynwrapx.dll for shellcode execution

MITRE ATT&CK Techniques

No MITRE techniques specified for this dataset.

Environment Details

Field Value
Environment attack_range
Directory remcos_dynwrapx
Test Date 2021-11-18

Datasets

The following datasets were collected during this attack simulation:

Windows-Sysmon

  • Path: /datasets/malware/remcos/remcos_dynwrapx/windows-sysmon.log
  • Sourcetype: XmlWinEventLog
  • Source: XmlWinEventLog:Microsoft-Windows-Sysmon/Operational

Sysmon_dynwraper

  • Path: /datasets/malware/remcos/remcos_dynwrapx/sysmon_dynwraper.log
  • Sourcetype: XmlWinEventLog
  • Source: XmlWinEventLog:Microsoft-Windows-Sysmon/Operational

Sysmon

  • Path: /datasets/malware/remcos/remcos_dynwrapx/sysmon.log
  • Sourcetype: XmlWinEventLog
  • Source: XmlWinEventLog:Microsoft-Windows-Sysmon/Operational

The following detections in our security content repository use this attack data for testing:

Detection Name Type Source MITRE ATT&CK Analytic Story
Loading Of Dynwrapx Module TTP Endpoint T1055.001 Remcos, AsyncRAT

Usage Instructions

Replay with Splunk Attack Data

Replay attack data with replay.py from Splunk Attack Data.

1python replay.py --dataset /datasets/malware/remcos/remcos_dynwrapx/windows-sysmon.log --index attack_data

Manual Import

  1. Download the dataset files from the paths listed above
  2. Configure your Splunk instance with the appropriate sourcetypes
  3. Import the logs using the Splunk Add Data wizard

Find more detections and analytics for this attack technique in our security content repository.


Source: GitHub | Version: 1.0