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Rewterz Threat Alert – Nanobot Backdoor – IOC’s

Severity

High

Analysis Summary

Nanobot Backdoor updates their folder names and include the files to exfiltrate inside the folder: “F**theworld” to avoid detection. The first stage contacts a Russian domain to find out the public IP and geolocation. The second stage exfiltrates collected data. Earlier samples used to go through HTTP, but since the release of PTSecurity rules, they moved to HTTPS and to a different domain.

Impact

Exposure of sensitive information

Indicators of Compromise

Domain Name

hokage.ru

MD5

eed75304df013248b41bbea0cb2688c8

SHA-256

068ebfd30d5bb614f2922b093742e672b959c9480849fa3fb5cf720cb619bd26

SHA1

ee893d2e6ec91dd51428d7bb17047547816b3a68

URL

http[:]//hokage[.]ru/antivirus[.]php

Remediation

  • Block all threat indicators at your respective controls.
  • Always be suspicious about emails sent by unknown senders.
  • Never click on the links/attachments sent by unknown senders.