Lazarus APT DLL Sideloading Activity

calendar May 15, 2025 · attack.defense-evasion attack.privilege-escalation attack.t1574.001 attack.g0032 detection.emerging-threats  ·
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Detects sideloading of trojanized DLLs used in Lazarus APT campaign in the case of a Spanish aerospace company

Sigma rule (View on GitHub)

 1title: Lazarus APT DLL Sideloading Activity
 2id: 24007168-a26b-4049-90d0-ce138e13a5cf
 3status: test
 4description: Detects sideloading of trojanized DLLs used in Lazarus APT campaign in the case of a Spanish aerospace company
 5references:
 6    - https://www.welivesecurity.com/en/eset-research/lazarus-luring-employees-trojanized-coding-challenges-case-spanish-aerospace-company/
 7    - https://www.bleepingcomputer.com/news/security/lazarus-hackers-breach-aerospace-firm-with-new-lightlesscan-malware/
 8author: Thurein Oo, Nasreddine Bencherchali (Nextron Systems)
 9date: 2023-10-18
10tags:
11    - attack.defense-evasion
12    - attack.privilege-escalation
13    - attack.t1574.001
14    - attack.g0032
15    - detection.emerging-threats
16logsource:
17    product: windows
18    category: image_load
19detection:
20    selection_mscoree:
21        Image: 'C:\ProgramShared\PresentationHost.exe'
22        ImageLoaded: ':\ProgramShared\mscoree.dll'
23    selection_colorui:
24        Image: 'C:\ProgramData\Adobe\colorcpl.exe'
25        ImageLoaded: 'C:\ProgramData\Adobe\colorui.dll'
26    selection_mapistub:
27        Image: 'C:\ProgramData\Oracle\Java\fixmapi.exe'
28        ImageLoaded: 'C:\ProgramData\Oracle\Java\mapistub.dll'
29    selection_hid:
30        Image: 'C:\ProgramData\Adobe\ARM\tabcal.exe'
31        ImageLoaded: 'C:\ProgramData\Adobe\ARM\HID.dll'
32    condition: 1 of selection_*
33falsepositives:
34    - Unlikely
35level: high

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