Contagious Interview: VS Code to RAT

2026-03-16 • Ransom ISAC •

https://ransom-isac.org/blog/contagious-interview-vscode-to-rat/

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DPRK-affiliated Contagious Interview operators used a fake developer recruitment process to pressure a target into opening a malicious GitHub project in VS Code. A hidden folder-open task launched Next.js, whose configuration evaluated a fake jQuery file that retrieved JavaScript from Vercel-hosted staging infrastructure. The resulting Node.js RAT fingerprinted the host, beaconed every five seconds to port 3000, and executed operator-supplied JavaScript from the C2 response. Infrastructure pivots identified seven principal C2 hosts and additional staging endpoints associated with the same tradecraft.

Indicators of Compromise

Type Value First Seen Last Seen
IPv4 185.163.125.196 2026-03-16 2026-03-17
IPv4 147.124.202.208 2026-02-24 2026-03-17
IPv4 163.245.194.216 2026-02-24 2026-03-17
IPv4 66.235.168.136 2026-02-24 2026-03-17
IPv4 87.236.177.9 2026-01-23 2026-03-17
YARA Actor_APT_DPRK_MAL_SCRIPT_JS_Dr… 2026-03-16 2026-03-16
EMAIL [email protected] 2026-03-16 2026-03-16
URL https://github.com/ArsagaPPro/J… 2026-03-16 2026-03-16
URL https://sync-oracle-v3.vercel.a… 2026-03-16 2026-03-16
URL https://metric-analytics-refres… 2026-03-16 2026-03-16
URL https://jersey-factory.x.yupoo.… 2026-03-16 2026-03-16
URL http://api-web3-auth.vercel.app… 2026-03-16 2026-03-16
URL http://147.124.202.208:3000/api… 2026-03-16 2026-03-16
URL http://88.99.212.230:3000/api/e… 2026-03-16 2026-03-16
URL http://185.163.125.196:3000/api… 2026-03-16 2026-03-16
URL http://174.138.188.80:3000/api/… 2026-03-16 2026-03-16
URL http://163.245.194.216:3000/api… 2026-03-16 2026-03-16
URL http://87.236.177.9:3000/api/er… 2026-03-16 2026-03-16
URL http://66.235.168.136:3000/api/… 2026-03-16 2026-03-16
DOMAIN sync-oracle-v3.vercel.app 2026-03-16 2026-03-16
DOMAIN metric-analytics-refresh.vercel… 2026-03-16 2026-03-16
DOMAIN jersey-factory.x.yupoo.com 2026-03-16 2026-03-16
DOMAIN api-web3-auth.vercel.app 2026-03-16 2026-03-16
HASH 165324541c8f2d0a4bdac12fcf7ccc1… 2026-03-16 2026-03-16
HASH e1790a08ebf0402d49e826b6f773b3b… 2026-03-16 2026-03-16
HASH 1e498ea74be7447fb13c53670084532… 2026-03-16 2026-03-16
HASH 57be9d3be7da3e8dff28b8d32de4427… 2026-03-16 2026-03-16
HASH d33d0c358a75bfb73cbf901868c5ebf… 2026-03-16 2026-03-16
HASH 8bae383ed46c28477b602b75d55c3e1… 2026-03-16 2026-03-16
IPv4 174.138.188.80 2026-03-16 2026-03-16
IPv4 104.192.42.117 2026-03-05 2026-03-16
DOMAIN web3-metric-analytics.vercel.app 2026-02-19 2026-03-16
URL https://web3-metric-analytics.v… 2026-02-19 2026-03-16

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