Первый слайд презентации: The Lord of PowerShell: The Return of the " IAmTheKing "
Denis Kuvshinov Head of Threat Intelligence department Positive Technologies
Слайд 2: Hi! My name is Denis
2 Hi! My name is Denis Security Analyst Summit 2024 Positive Technologies employee since 2017 TI & MA Regular speaker https://twitter.com/WaChinYu1
Слайд 3: IamTheKing profile
3 Security Analyst Summit 2024 Active since 2017 - ? Attacks Russian entities Main goal is espionage
Слайд 4: Only one public report
4 Security Analyst Summit 2024 https://securelist.com/iamtheking-and-the-slothfulmedia-malware-family/99000/
Слайд 6: Main TTP
6 Security Analyst Summit 2024 Initial vector Phishing from @yandex.ru, @mail.ru Execution RAR, LNK, HTML, PS, VBS, SLK Persistence Scheduler Credential access Kerberoasting Discovery (Reconnaissance) Each decoy contains profiling through remote images Collection %USR%, ( docx?|xlsx?| rtf|pdf ) C&C 3 rd level domains. Second level in 90% linked to 86.104.15.60 Exfiltration Email and Yandex disk
Слайд 7: Main kill chain in 2024
7 Security Analyst Summit 2024 Phishing Malicious attachment RAR+LNK+Decoy Powershell script Persistence in scheduler In memory payload from c2
Слайд 9: Malicious LNK in 2024
9 Security Analyst Summit 2024 C:\Windows\System32\cmd.exe / v:on /c findstr " ::::::::::::. *" " резюме. lnk " > "% tmp %\honor.vbs" & cscript.exe "% tmp %\honor.vbs" & del "% tmp %\honor.vbs" - “ резюме. lnk ”
Слайд 10: My favorite file format is LNK
10 Security Analyst Summit 2024 Metadata in LNK for hunting LNK command line Creator’s machine_id Creator’s volume_id Description Creation and accessed time
Слайд 11: Hunting IamTheKing’s LNK files
11 Security Analyst Summit 2024 LNK command line Shell32.DLL,ShellExec_RunDLL % comspec %| cmd ; / v:on /c findstr "::::: Creator’s machine_id Always different Creator’s volume_id Always different Description Device Removal Creation and accessed time Always different
Слайд 13: PowerBroker stealer
13 Security Analyst Summit 2024 Document collection Kerberoasting Exfiltration through Yandex disc and email
Слайд 14: PowerBroker stealer. Delivery
14 Security Analyst Summit 2024 Initial PS script C2 _1
Слайд 15: PowerBroker stealer. Delivery
15 Security Analyst Summit 2024 Initial PS script C2 _1 PS stager
Слайд 16: PowerBroker stealer. Delivery
16 Security Analyst Summit 2024 Initial PS script C2 _1 PS stager C2 _ 2 PS stager, data collector and persist provider
Слайд 17: PowerBroker stealer. Delivery
17 Security Analyst Summit 2024 Initial PS script C2 _1 PS stager C2 _ 2 PS stager, data collector and persist provider C2 _ 3_1 C2 _ 3_2 Persisted PS downloader
Слайд 18: PowerBroker stealer. Delivery
18 Security Analyst Summit 2024 Initial PS script C2 _1 PS stager C2 _ 2 PS stager, data collector and persist provider C2 _ 3_1 C2 _ 3_2 Persisted PS downloader Yandex Disk PowerBroker
Слайд 22: PowerBroker stealer. Stealing with « Sincerely »
22 Security Analyst Summit 2024
Слайд 23: Network infrastructure
23 Security Analyst Summit 2024 … games. britishnewsmedia.com stats. thebigwideword.com images. newsgoodies.com rloj. rebugetel.com maint. addonsvile.com list. nottoolost.com …
Слайд 24: Correlated groups and attacks
24 Security Analyst Summit 2024 Powerpool IamTheKing SongXY - https://www.ptsecurity.com/ru-ru/research/analytics/cybersecurity-threatscape-2017-q4/ Dr.WEB - https://st.drweb.com/static/new-www/news/2020/september/tek_rf_article_en.pdf SongXY Attacks on Russian fuel and energy industry
Слайд 25: Conclusion
25 Security Analyst Summit 2024 Quiet, attentive APT group Interested in confidential information Group tries return access to infrastructure after kicking out