Mac Backdoor Linked to Lazarus Targets Korean Users

2019-11-20 Trend Micro

https://blog.trendmicro.com/trendlabs-security-intelligence/mac-backdoor-linked-to-lazarus-targets-korean-users/

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Trend Micro describes a Lazarus-attributed macOS NUKESPED campaign targeting Korean users through a macro-enabled Excel lure and a separate malicious Flash Player app bundle. The macro contacted crabbedly[.]club, craypot[.]live, and indagator[.]club, while the Mac bundle ran a decoy Flash Player, dropped a hidden Backdoor.MacOS.NUKESPED.A file, and installed persistence with ~/Library/LaunchAgents/com.adobe.macromedia.plist. The backdoor used command-driven C2 functions such as host information collection and configuration updates, showing Lazarus moving from cross-platform macro delivery toward more OS-specific macOS tradecraft.

Indicators of Compromise

Type Value First Seen Last Seen
HASH d91c233b2f1177357387c29d92bd3f2… 2019-11-20 2020-07-27
HASH 735365ef9aa6cca946cfef9a4b85f68… 2019-11-12 2020-07-27
HASH 6f7a5f1d52d3bfc6f175bf2bbb665e4… 2019-11-20 2019-11-20
URL https://indagator.club/board.php 2019-11-12 2019-11-20
URL https://craypot.live/board.php 2019-11-04 2019-11-20
URL https://crabbedly.club/board.php 2019-11-04 2019-11-20
DOMAIN indagator.club 2019-11-04 2019-11-20
DOMAIN craypot.live 2019-11-04 2019-11-20
DOMAIN crabbedly.club 2019-11-04 2019-11-20

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