APT43 배후의 다단계 드롭박스 명령과 TutorialRAT

2024-04-17 • Genians • APT43 behind multi-stage Dropbox commands and TutorialRAT •

https://www.genians.co.kr/blog/threat_intelligence/dropbox

Thumbnail for APT43 배후의 다단계 드롭박스 명령과 TutorialRAT

APT43 is reported using a multi-stage attack chain that abuses Dropbox cloud storage and deploys TutorialRAT as part of activity linked to the BabyShark campaign lineage. The source highlights lures impersonating policy meetings, advisory sessions, surveys, and lecture notices, with an initial approach through normal email followed by responsive spear-phishing tactics. Use of a legitimate cloud service as attack infrastructure can reduce visibility for defenders who monitor only obviously malicious hosting, while the RAT stage creates endpoint detection opportunities. Security teams should review the archive for email lure patterns, Dropbox-based staging, TutorialRAT behavior, and telemetry that can separate legitimate cloud use from adversary operations.

Indicators of Compromise

Type Value First Seen Last Seen
HASH 89cad9a57985cc0ab3b7403a943ad0a… 2024-03-18 2024-12-27
HASH f262588c48d2902992ffd275d2be636… 2024-03-18 2024-12-27
HASH 1b75f70c226c9ada8e79c3fdd987277… 2024-03-18 2024-12-27
HASH 1617587ccdf5b0344089559ecf8fe7d… 2024-03-18 2024-12-27
HASH 1eb92c1aa4a21389ae978927c88b0e7… 2024-04-17 2024-06-12
HASH 286e7a4cff62d3312db91bd00c0d98c… 2024-04-17 2024-06-12
HASH 617a4a83e7fb10a4a9ef993cdfe4d83… 2024-01-30 2024-06-12
HASH 61a30992e0a7ab93cd3a47cc51284b35 2024-04-17 2024-04-17
HASH f395012ff30a846d0e7ed787147f5723 2024-04-17 2024-04-17
HASH 544963f602ec6c97994d38ce39368d79 2024-04-17 2024-04-17
HASH ade1d12604dd9d62f6ef97a93cda142b 2024-04-17 2024-04-17
HASH 781acd3a8250da862e48425d078b54ad 2024-04-17 2024-04-17
HASH 5ad5ace1ec82538f66acf13e48cf8db4 2024-04-17 2024-04-17
HASH a9276bae977589f3f670f26b2cb8a9f1 2024-04-17 2024-04-17
DOMAIN meatalk.com 2024-04-17 2024-04-17
DOMAIN iso3488.co.kr 2024-04-17 2024-04-17
DOMAIN strehab.com 2024-04-17 2024-04-17
DOMAIN kyungdaek.com 2024-04-17 2024-04-17
DOMAIN siloamclinic.com 2024-04-17 2024-04-17
DOMAIN aymdtt.co.kr 2024-04-17 2024-04-17
DOMAIN vwellpain.com 2024-04-17 2024-04-17
IPv4 218.150.78.197 2024-04-17 2024-04-17
IPv4 183.111.141.93 2024-04-17 2024-04-17
HASH fe156159a26f8b7c140db61dd8b136e… 2024-04-03 2024-04-17
HASH d912f49d24792aa7197509f76e2097a… 2024-03-22 2024-04-17
DOMAIN regard.co.kr 2024-03-18 2024-04-17
HASH a53caf4805a1b9c0b7fca4e2e3e21fb… 2024-01-30 2024-04-17
HASH befa4094eb7ceb31be76ec98b11353b… 2024-01-30 2024-04-17
HASH a30f649b85bbec3809dbb6f485c5181… 2024-01-30 2024-04-17
DOMAIN gbionet.com 2024-01-30 2024-04-17
IPv4 122.155.191.33 2024-01-30 2024-04-17
HASH 0a5151c9878b592a202c07e7c02ed46… 2023-12-29 2024-04-17
DOMAIN dddon.kr 2023-12-29 2024-04-17
HASH 64dee04b6e6404c14d10971adf35c3a7 2023-11-09 2024-04-17
HASH eb614c99614c3365bdc926a73ef7a492 2023-11-09 2024-04-17
HASH 1426269940ef6036941ccfbf68b0b65… 2023-11-09 2024-04-17
HASH b70bc31b537caf411f97a991d8292c5a 2023-11-09 2024-04-17
IPv4 165.154.230.24 2023-11-09 2024-04-17
HASH e5226f945e3ec29868891edc63e64ca… 2023-06-16 2024-04-17
DOMAIN well-story.co.kr 2023-06-16 2024-04-17

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