MalwareUsed by 1 actor

INVISIBLEFERRET.JAVASCRIPT

For your environment

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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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Contagious Interview

The final payload in the JADESNOW infection chain is usually a more persistent backdoor like INVISIBLEFERRET.JAVASCRIPT.

via cso onlinecsoonline.com

MITRE ATT&CK

Techniques & procedures

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

Execution

1 technique

T1059.007JavaScriptEvidence1

JADESNOW is a JavaScript-based downloader malware family associated with the threat cluster UNC5342. JADESNOW utilizes EtherHiding to fetch, decrypt, and execute malicious payloads from smart contracts on the BNB Smart Chain and Ethereum.

Command and Control

1 technique

T1071Application Layer ProtocolEvidence1

The victim receives a malicious interview question, deceiving the victim into running code that executes the initial JavaScript downloader that interacts with a malicious smart contract and downloads the second-stage payload.

ACTIVITY FEED

Recent activity

1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

1 SOURCESView more in app

cso onlineNews

Oct 17, 2025

North Korean threat actors turn blockchains into malware delivery servers

Persistent backdoor delivered as a later-stage payload in the JADESNOW chain; code may be split across multiple smart contracts and can retrieve additional payloads (including a Python-based information stealer) from other blockchain addresses.

What this page doesn’t show

The version that knows your environment.

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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 mapping2

Every documented technique, ranked by evidence weight.

Researcher chatter

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