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Mallory
MalwareUsed by 1 actor

Castov

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For your environment

Hunt this family in your stack

Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.

THREAT ACTORS

Groups observed using it

1 distinct threat actor attributed by public researchers. Open in Mallory to see the full evidence chain and overlapping campaigns.

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Lazarus

Also in 2013, researchers spotted a piece of malware called Castov (Downloader.Castov and Infostealer.Castov) targeting South Korean financial institutions and their customers.

via medium threat intelmedium.com
MITRE ATT&CK

Techniques & procedures

3 distinct techniques documented for this family, organized by ATT&CK tactic.

Credential Access

2 techniques
T1555Credentials from Password StoresEvidence1

Castov was used to steal passwords, account details, and digital certificates from the computers it infected.

T1649Steal or Forge Authentication CertificatesEvidence1

Castov was used to steal passwords, account details, and digital certificates from the computers it infected.

Impact

1 technique
T1498Network Denial of ServiceEvidence1

These attacks were distributed denial of service (DDoS) attacks that aimed to take websites offline. The attackers used the Dozer malware (Trojan.Dozer) to carry out these attacks.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets match these IOCs, which detections are missing, which campaigns to expect next, and what to do in the next 30 minutes.
IOC matching

Match every observed IP, domain, and hash against your live telemetry.

Threat actor attribution1

Named campaigns wielding this family, with evidence pinned to each claim.

Exploited vulnerabilities

CVEs this family uses for access and lateral movement.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

MITRE ATT&CK mapping3

Every documented technique, ranked by evidence weight.

Researcher chatter

Reddit, Mastodon, and CTI community discussion around this family.