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The Hivemind

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Nexus Android Banking Trojan

Apr 4, 2023 3:28:28 PM / by The Hivemind posted in Threat Bulletin, Banking, Android, Trojan, Botnet, Mobile, POISON, Nexus, Banker, SOVA

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Related Families: SOVA
Verticals Targeted: Financial, Cryptocurrency 

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Trigonia Ransomware

Mar 31, 2023 2:10:27 PM / by The Hivemind posted in Threat Bulletin, Ransomware, Trigonia, crylock

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Related Families: CryLock
Verticals Targeted: Manufacturing, Finance, Construction, Agriculture, Marketing, Technology

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CatB Ransomware

Mar 28, 2023 3:49:33 PM / by The Hivemind posted in Threat Bulletin, Ransomware, CatB, CatB99, Baxtoy, Pandora

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Related Families: Pandora

Executive Summary

Sentinel One recently reported on CatB ransomware. CatB, also known as CatB99 or Baxtoy, was first seen in the wild in late 2022.

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YoroTrooper Targeting Energy & Government Entities

Mar 24, 2023 2:58:36 PM / by The Hivemind posted in Threat Bulletin, Government, Healthcare, YoroTrooper, CIS, Energy

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Related Families: Custom Python tools, AveMaria, Warzone RAT, LodaRAT, Stink
Verticals Targeted: Energy, Government, Healthcare


Executive Summary

YoroTrooper is a threat actor group observed targeting energy and government entities and an EU healthcare organization. Although YoroTrooper uses commodity and open-source tools, most of their final payloads are custom developed.

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Exfiltrator-22 Framework

Mar 21, 2023 2:09:02 PM / by The Hivemind posted in Threat Bulletin, LockBit, Lockbit 3.0, Exfiltrator-22, EX-22, framework

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Related Families: LockBit, LockBit 3.0
Verticals Targeted: Multiple 

Executive Summary

CYFIRMA recently reported on Exfiltrator-22, also known as EX-22, a new post-exploitation framework capable of spreading ransomware while evading detection.

Key Takeaways

  • Exfiltrator-22, also known as EX-22, is a new post-exploitation framework capable of spreading ransomware while evading detection. 
  • Exfiltrator-22, which is a framework-as-a-service, is designed to primarily target corporate networks.
  • Analysts at CYFIRMA have linked Exfiltrator-22 to former LockBit 3.0 affiliates.

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IceFire Ransomware Linux Variant

Mar 17, 2023 2:56:51 PM / by The Hivemind posted in Threat Bulletin, Ransomware, IceFire, CVE-2022-47986

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Verticals Targeted: media, entertainment

Executive Summary

Sentinel Labs recently reported on a new Linux variant of IceFire ransomware. The threat actors responsible for IceFire exploit CVE-2022-47986 to deploy the ransomware. 

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SysUpdate Linux Variant

Mar 14, 2023 3:30:50 PM / by The Hivemind posted in Threat Bulletin, Ransomware, Linux, RAT, Trojan, SysUpdate, Iron Tiger, Emissary Panda, APT27

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Verticals Targeted: Gambling

Executive Summary

Trend Micro recently reported on a new Linux variant of Emissary Panda’s SysUpdate. SysUpdate is one of Emissary Panda’s custom tools. 

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BlackLotus UEFI Bootkit

Mar 10, 2023 12:13:45 PM / by The Hivemind posted in Threat Bulletin, Windows, UEFI, CVE-2022-21894, BlackLotus, Bootkit, Windows 11, Baton Drop

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Executive Summary

BlackLotus is the first known bootkit to bypass UEFI Secure Boot on fully updated Windows 11 systems. It leverages CVE-2022-21894 to bypass UEFI Secure Boot.

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