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Rewterz Threat Alert – IconDown Downloader used by Attack Group BlackTech

Severity

Medium

Analysis Summary

IconDown Downloader used by Attack Group BlackTech targeting different Japanese organizations. Although it has not been confirmed by what means IconDown is installed / executed, according to the blog published by ESET, it has been confirmed that the update function of ASUS WebStorage is exploited. It is said that. This time, details of IconDown confirmed in the Japanese organization.

Indicators of Compromise

Domain Name

panasocin[.]com

Hostname

update[.]panasocin[.]com

SHA256

  • 2e789fc5aa1318d0286264d70b2ececa15664689efa4f47c485d84df55231ac4
  • 6bf301b26a919f86655e4ccb20237cc3b6b6888f258d96aac4d62df7980e51a5
  • 634839b452e43f28561188a476af462c301b47bddd0468dd8c4f452ae80ea0af

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.

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