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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.

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“RE: NEW P.ORDER”

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“RE: Swift Payment Copy”

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Impact

  • Credential Theft
  • Data Exfiltration
  • Information Disclosure

Indicators of Compromise

Filename

  • Bank Payment Advice[.]xlsx
  • WaitCallb[.]exe

IP

  • 172[.]245[.]163[.]174

MD5

  • 4e5b7f28caebe8e00c5bb3a6051d3ec4
  • eac14bf29e64c72eb108d9a9ec726c21

SHA-256

  • 29cd16a348c13556cd378ab46e3bc9a6719826f91050ffffeef4c3c3371ed49f
  • 7cb92356a0170028fabc20f0cb9736b149efab01824ab1173b3277340a6a2ec4

SHA-1

  • 1229f1918c363f62ea40275a15c929e2d4b92deb
  • 274ed1675ac433a1ae83dce45b9202342abbcf66

Remediation

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