MALWARE FAMILY

AcidBox

Internal ID: win.acidbox

aliases

Last seen:Mar 17, 2026

Intelligence Profile

Unit42 found AcidBox in February 2019 and describes it as a malware family used by an unknown threat actor in 2017 against Russian entities, as stated by Dr.Web. It reused and improved an exploit for VirtualBox previously used by Turla. The malware itself is a modular toolkit, featuring both usermode and kernelmode components and anti-analysis techniques such as stack-based string obfuscation or dynamic XOR-encoded API usage.

Threat Analysis

AcidBox is a malware family tracked by threat intelligence researchers and catalogued in the Malpedia dataset. It represents a distinct malicious software lineage with identifiable code characteristics, behaviors, and victimology.

External References

→https://blog.talosintelligence.com/2020/08/attribution-puzzle.html

→https://securelist.com/apt-trends-report-q2-2020/97937/

→https://unit42.paloaltonetworks.com/acidbox-rare-malware/

→https://www.epicturla.com/blog/acidbox-clustering

Quick Facts

TypeMalware Family

Aliases1

Also Known As

win.acidbox

Research Links

MITRE ATT&CK VirusTotal Google (news) Twitter/X search

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.

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