Analysis of the Triple Combo Threat of the Kimsuky Group

2025-06-09 Genians

https://www.genians.co.kr/en/blog/threat_intelligence/triple-combo

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Genians analyzed a March-April 2025 AppleSeed campaign attributed in the report to Kimsuky, a North Korea-linked state-sponsored group active against defense, military, cryptocurrency, vaccine, and North Korea-related activist targets. The operators used a multi-channel approach across Facebook, email, and Telegram, including hijacked or deceptive Facebook accounts, Korean-language social engineering, and lures about volunteer support for North Korean defectors. Malicious payloads were delivered in password-protected EGG archives and included obfuscated JSE scripts that created a decoy PDF while decoding and launching malicious DLL components through PowerShell, certutil, and regsvr32. The report links the activity to historical AppleSeed artifacts through PDB paths and describes evasion choices such as Korea-specific archive formats, Base64-encoded scripts, and Windows-focused execution flows. It matters because the campaign shows Kimsuky combining trusted social relationships, multiple messaging platforms, and tailored lures to reach sensitive Korean targets.

Indicators of Compromise

Type Value First Seen Last Seen
HASH f960ce07c519d1e64a46c7f573eac39b 2025-06-09 2025-06-09
HASH 2a388f3428a6d44a66f5cb0b210379a0 2025-06-09 2025-06-09
HASH cb5a57021b10d281720cc353697518e… 2025-06-09 2025-06-09
HASH 07015af18cf8561866bc5b07e6f70d9a 2025-06-09 2025-06-09
HASH 5a223c70b65c4d74fea98ba39bf5d127 2025-06-09 2025-06-09
HASH fb3c652e795f08cc2529ed33ec1dc114 2025-06-09 2025-06-09
HASH afadab22f770956712e9c47460911dad 2025-06-09 2025-06-09
HASH c1958894129800843f627bc791ae046… 2025-06-09 2025-06-09
HASH bfb02dee62c38c3385df92b308499b31 2025-06-09 2025-06-09
HASH b128c5db5d973be60f39862ba8bfb152 2025-06-09 2025-06-09
HASH 84f4f2e77b6e59c1fe54360842821fb… 2025-06-09 2025-06-09
HASH 5b8f6d76e9f63920654266814daa12e… 2025-06-09 2025-06-09
HASH f4d59b1246e861a2a626cb56c55651f0 2025-06-09 2025-06-09
HASH 779f2f4839b9be4f0b8c96f117181334 2025-06-09 2025-06-09
HASH 568f7628e6b7bb7106a1a82aebfd348d 2025-06-09 2025-06-09
HASH bb633f41f4ed17f4ea163aebbfcff1b… 2025-06-09 2025-06-09
HASH 46fd22acea614407bf11d92eb6736dc7 2025-06-09 2025-06-09
DOMAIN onsungtong.n-e.kr 2025-06-09 2025-06-09
DOMAIN nauji.n-e.kr 2025-06-09 2025-06-09
DOMAIN jieun.dothome.co.kr 2025-06-09 2025-06-09
DOMAIN afcafe.kro.kr 2025-06-09 2025-06-09
DOMAIN nomera.n-e.kr 2025-06-09 2025-06-09
DOMAIN nocamoto.o-r.kr 2025-06-09 2025-06-09
DOMAIN woana.n-e.kr 2025-06-09 2025-06-09
HASH d66c69b99e978727d5ffdf75ab0c969… 2025-01-21 2025-06-09
DOMAIN vamboo.n-e.kr 2025-01-21 2025-06-09
HASH de60612226ea59961e655ad83d23fb5… 2024-08-07 2025-06-09
HASH 24a42a912c6ad98ab3910cb1e031edb… 2024-06-07 2025-06-09
HASH 3314b6ea393e180c20db52448ab6980… 2024-06-07 2025-06-09
DOMAIN download.uberlingen.com 2024-06-07 2025-06-09
HASH 6a38c84efe52d8e7298d62809ef59a2… 2024-02-08 2025-06-09
DOMAIN peras1.n-e.kr 2024-02-08 2025-06-09
DOMAIN hyper.cadorg.p-e.kr 2023-11-01 2025-06-09
HASH ddd13d9ddcef9c3e96be9280a756907… 2022-06-30 2025-06-09
HASH 6d8c5194c7e728b394c5f419d666ed8… 2022-06-30 2025-06-09
DOMAIN dirwear.000webhostapp.com 2022-06-30 2025-06-09

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