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

Thumbnail for Analysis of the Triple Combo Threat of the Kimsuky Group

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 b9c2111c753b09e4cc9d497f8fd314fc 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 7a0c0a4c550a95809e93ab7e6bdcc290 2025-06-09 2025-06-09
HASH bfb02dee62c38c3385df92b308499b31 2025-06-09 2025-06-09
HASH b128c5db5d973be60f39862ba8bfb152 2025-06-09 2025-06-09
HASH 2f6fe22be1ed2a6ba42689747c9e18a0 2025-06-09 2025-06-09
HASH 30741e7e4cdd8ba9d3d074c42deac9b1 2025-06-09 2025-06-09
HASH f14f332d4273de04ba77e38fd3dcff90 2025-06-09 2025-06-09
HASH ca3926dc6c4b2a71832a03fba366cbcd 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 fe8626e7c3f47a048c9f6c13c88a9463 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
DOMAIN vamboo.n-e.kr 2025-01-21 2025-06-09
HASH 8346d90508b5d41d151b7098c7a3e868 2024-06-07 2025-06-09
HASH 537806c02659a12c5b21efa51b2322c1 2024-06-07 2025-06-09
DOMAIN download.uberlingen.com 2024-06-07 2025-06-09
HASH 7756b4230adfa16e18142d1dbe6934af 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 ec9dcef04c5c89d6107d23b0668cc1c1 2022-06-30 2025-06-09
HASH 1ae2e46aac55e7f92c72b56b387bc945 2022-06-30 2025-06-09
DOMAIN dirwear.000webhostapp.com 2022-06-30 2025-06-09

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