BlueNoroff introduces new methods bypassing MoTW

2022-12-27 • Kaspersky •

https://securelist.com/bluenoroff-methods-bypass-motw/108383/

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Kaspersky reported that BlueNoroff, a financially motivated North Korea-linked actor, adopted new delivery methods to bypass Windows Mark-of-the-Web warnings. The campaign used ISO and VHD files, Visual Basic Script, Windows Batch files, executables, and MSI-based stages alongside familiar Word-document and LNK intrusion paths. Observed activity included a UAE victim reached through a malicious Word document, follow-on backdoor use for host fingerprinting and privileged malware installation, and shortcut archives such as a Japanese “new bonus schedule” lure. Infrastructure analysis found more than 70 domains, many impersonating venture-capital firms and banks, indicating sustained interest in Japanese financial and cryptocurrency-related targets.

Indicators of Compromise

Type Value First Seen Last Seen
DOMAIN ms.msteam.biz 2022-12-27 2023-06-06
IPv4 155.138.159.45 2022-12-27 2023-06-06
IPv4 104.168.174.80 2022-12-27 2023-05-22
IPv4 149.28.247.34 2022-12-27 2023-05-22
IPv4 152.89.247.87 2022-12-27 2023-05-22
IPv4 172.86.121.130 2022-12-27 2023-05-22
HASH a3f087c83453cde2bc845122c05ebeb… 2022-12-27 2023-05-12
HASH f14c5bad5219b1ed5166eb02f5ff08a… 2022-11-29 2023-05-12
HASH 5f4f006bfb9136c304e0aabf7557536… 2022-11-29 2023-05-12
HASH d8f6290517c114e73e03ab30165098f6 2022-12-27 2022-12-27
HASH f766f97eb213d81bf15c02d4681c50a4 2022-12-27 2022-12-27
HASH 087407551649376d90d1743bac75aac8 2022-12-27 2022-12-27
HASH 79de30973b69aa4c44574a512e7820c… 2022-12-27 2022-12-27
HASH 4c0fb06320d1b7ecf44ffd0442fc10ed 2022-12-27 2022-12-27
HASH b53f3c0cd32d7f20849850768da6431… 2022-12-27 2022-12-27
HASH dba3137811c686fd35e418d76184070… 2022-12-27 2022-12-27
HASH 61a227bf4c5c1514f5cbd2f37d98ef5b 2022-12-27 2022-12-27
HASH da9f0e7dc6c52044fa29bea5337b479… 2022-12-27 2022-12-27
HASH d3503e87df528ce3b07ca6d94d1ba9fc 2022-12-27 2022-12-27
URL http://avid.lno-prima.lol/Nafqh… 2022-12-27 2022-12-27
URL https://www.angelbridge.jp 2022-12-27 2022-12-27
URL https://docs.azure-protection.c… 2022-12-27 2022-12-27
URL http://offerings.cloud/NafqhbXR… 2022-12-27 2022-12-27
URL https://www.abf-cap.com 2022-12-27 2022-12-27
URL https://www.capmarketreport.com… 2022-12-27 2022-12-27
DOMAIN abf-cap.co 2022-12-27 2022-12-27
DOMAIN offerings.cloud 2022-12-27 2022-12-27
DOMAIN smbc-vc.com 2022-12-27 2022-12-27
DOMAIN beyondnextventures.co 2022-12-27 2022-12-27
DOMAIN tptf.co 2022-12-27 2022-12-27
DOMAIN vote.anobaka.info 2022-12-27 2022-12-27
DOMAIN cloud.beyondnextventures.co 2022-12-27 2022-12-27
DOMAIN bankofamerica.us.org 2022-12-27 2022-12-27
DOMAIN beyondnextventures.com 2022-12-27 2022-12-27
IPv4 104.168.249.50 2022-12-27 2022-12-27
URL https://docs.azure-protection.c… 2022-11-29 2022-12-27

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