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Rewterz Threat Advisory – Nanocore Rat – Active IOCs
November 10, 2021
Rewterz Threat Alert – Remcos RAT – Active IOCs
November 10, 2021

Rewterz Threat Alert – Agent Tesla Malware – Active IOCs

November 10, 2021

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 Theft

Indicators of Compromise

MD5

  • 4a1da34a18884e895c50840d18da5410
  • 261ee0b190eb806e6b021fbeb8a346fa
  • b043d45a626ecddf9d79522833d3afb5
  • ffc9945db60016c79bb411e4c96242e5
  • e8cd923f317a64dfb8bb80836ec51057
  • 706cca564f802a40a911070ee171fe4e
  • d37d61e3af928e1d4465ea7e2863f31b
  • 389eac48433850860160584c628bcd19

SHA-256

  • 6993747a36de320da76abd12add5b18ef169afa7f69ef69f6d10f47f8494cdd1
  • ad3988279308557a80967115232764e878004c80fda39f27d48cd78ad319f552
  • b6cfa39ccf7fe43bfbb4912ede50cdf7de513440ffa61bbca49bfe1d3d7f2333
  • 81420f42ee455db2a99c1f85b03fb213083e03c2f329f1919b9dc3044de89555
  • 23c589943fbd3d7837f1ddf96cb86c17f62973987f6bac016ebe4dd3c01a1915
  • d6db1886657d4ec8e9779d26d1550df019f40c3960d2aa6b1cd01381a6d88af8
  • 51995ba05ab2faef9206a16e5732d51b1a470c8f1b3ad8ef72654b967209e088
  • ffbad515588df376e86216b15b2a092570d1dc91116e787de8648060ef06895c

SHA-1

  • 236d160af9af18e6a8531de5f98ec47e1450f659
  • 967b735e4951775896ccc169ab2963da1b6dbcae
  • 2605001f7759d92c0d4c3dda4be5f30bcf1242fd
  • 36a3f96a0684b3a57c249337f80c4c9a59337324
  • 6018f351a861908e30ace9cc5faad5b57a1ee949
  • 36ce8aabf4cd4fb156484d086682b513939764d3
  • e77616d2c05ba0bc7d017ea0672eeeb21a96304b
  • 444968e357355379e5c852aa0c4fa9f0d3d28318

Remediation

  • Block all threat indicators at your respective controls.
  • Search for IOCs in your environment.
  • Services
    • Assess
      • Compromise Assessment
      • APT Assessment
      • Penetration Testing
      • Secure Architecture Design & Review
      • Red Team Assessment
      • Purple Team Assessment
      • Social Engineering
      • Source Code Review
    • Respond
      • Incident Response
      • Incident Analysis
  • Transform
    • SOC Consultancy
    •     SOC Maturity Assessment
    •     SOC Model Evaluation
    •     SOC Gap Analysis
    •     SIEM Gap Analysis
    •     SIEM Optimization
    •     SOC Content Pack
  • Train
    • Security Awareness and Training
    • Tabletop Exercise
    • Simulated Cyber Attack Exercises
  • Managed Security
    • Managed Security Monitoring
      • Remote SOC
      • Onsite SOC
      • Hybrid SOC
    • Managed Security Services
      • Managed Detection and Response
      • Managed Endpoint Detection and Response
      • Managed Threat Intelligence
      • Managed Threat Hunting
      • Managed Risk-Based SOAR
      • Managed Penetration Testing
  • Solutions
  • Resources
    • Blog
    • Threat Advisory
  • Company
    • About Us
    • Careers
    • Contact
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