Rewterz Threat Alert – Agent Tesla Malware – Active IOCs

Severity

High

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

Filename

• Payments_Confirmation[.]exe
• Safco Offer[.]exe

MD5

• 44e11e27faf154b94a9a9d153f664f8a
• 2638fb31945a1bdc1b61e63926d8a9ef
• dd82f175edc04cff39be946653a9f926

SHA-256

• 9a21a1828343dccf06d8a8be65733de4501356ccc72b9075d1fc9597f6bd3fd7
• 3924da3794b29c7f7a856287515f178df16f264b5b488e8df0a4f93918170544
• 3d02ddce540ca6f687e7d88f34db832d2d3af0e49917fafbe576454ad20a3efb
• e8e8829e847f7c5b7f0a1e89a386b3ad3136089f314a52a8ee9d1f5a220ed1e1

SHA1

• 1b00dfb6e2d02a5a3cdf67ce3c252d888885631b
• c37c230108227f24e03b72f219b5c5f8f03dadc9
• b89ea265a7652e19a0415d0ec1b184b91ad715d3

Remediation

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