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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

  • 3d4443bf4050727918050fa1b3506a54
  • 4ffaf8909410d662d6d345053f4afd4c
  • e4e4520063c4ff72a87e155aa5d061f8
  • 521519ddf7e586ebfaa02ec26b787ee7
  • 438947d341f1556869ceda83cf707bb8

SHA-256

  • ac0c0507a4f7cb279ebf0ab45b6da63f269ec755cd96c750581645597ce8e756
  • db2597192f6506666540404b8635d839eb5386c8ab4aa53350837834473cbc62
  • b8c505092105c327b6630198ad3aeee9cf99f4516db9ebe93ffe9f223a3d2c47
  • 20da9061d97a613081f164a4ace352121755f24a0e0c717d2791e03579daff53
  • 0561681f483700d0e0af0c50604d334f34f4714bae15ba92565ac1b04a49c857

SHA-1

  • de6a86b5f10222dfcc61c04a234a202670ccb7e4
  • 930758f8a93a4014cf0435e957631b05cf028be9
  • 7cb374cf56276c2636a860a1dfe7fa5483466394
  • 7cc245e1cf44485b6fc26858bfd41d6858bd6462
  • 9ff06ea164fe6cfe9ab0e57cb0b5edc3901da9b0

Remediation

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