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Rewterz Threat Alert – Agent Tesla Malware – Active IOCs

Severity

Medium

Analysis Summary

A new AgentTesla campaign is seen targeting victims with malspam. AgentTesla is known for stealing data from different applications on victim machines, such as browsers, FTP clients, and file downloaders. Agent Tesla collects personal information from the victim’s machine, steals data from the victim’s clipboard, can log keystrokes, capture screenshots and access the victim’s webcam. It can kill running analysis processes and AVsoftware. The spyware also performs basic actions to check whether it is running on a virtual machine or in debug mode, in an attempt to hide its capabilities and actions from researchers. All the data it obtains is sent in encrypted form via SMTP protocol.

Impact

  • Credential Theft
  • Data Exfiltration
  • Information Disclosure

Indicators of Compromise

MD5

  • 0e36cb128a13a68bcd4237213bef2501

SHA-256

  • a7ba33c0613d364ab774e459e89e9b1ab6d9c9ef3f8520363c3c97b3052b2f1e

SHA-1

  • e8e907e0c2e7353be83a5d086cf47b58d3d3eba3

Remediation

  • Block all threat indicators at your respective controls.
  • Search for IOCs in your environment.