TA505 Analysis

IOB - Indicator of Behavior (1000)

Interest

Vulnerabilities

Campaigns (4)

These are the campaigns that can be associated with the actor:

• Ammyy
• SDBbot
• Xxxxxxxxxx
• Xxxxxxxxxx/xxxxxxxxxxx

IOC - Indicator of Compromise (58)

These indicators of compromise highlight associated network ressources which are known to be part of research and attack activities.

TTP - Tactics, Techniques, Procedures (23)

Tactics, techniques, and procedures summarize the suspected MITRE ATT&CK techniques used. This data is unique as it uses our predictive model for actor profiling.

IOA - Indicator of Attack (416)

These indicators of attack list the potential fragments used for technical activities like reconnaissance, exploitation, privilege escalation, and exfiltration. This data is unique as it uses our predictive model for actor profiling.

References (11)

The following list contains external sources which discuss the actor and the associated activities:

• https://blog.fox-it.com/2021/12/02/tracking-a-p2p-network-related-to-ta505/
• https://documents.trendmicro.com/assets/TA505_tactics_HTML_RATs_techniques_latest_campaigns_appendix.pdf
• https://github.com/vuldb/cyber_threat_intelligence/tree/main/actors/TA505
• https://securityintelligence.com/posts/ta505-continues-to-infect-networks-with-sdbbot-rat/
• https://www.cybereason.com/blog/threat-actor-ta505-targets-financial-enterprises-using-lolbins-and-a-new-backdoor-malware
• https://www.deepinstinct.com/2019/04/02/new-servhelper-variant-employs-excel-4-0-macro-to-drop-signed-payload/
• https://www.proofpoint.com/us/threat-insight/post/leaked-ammyy-admin-source-code-turned-malware
• https://www.proofpoint.com/us/threat-insight/post/servhelper-and-flawedgrace-new-malware-introduced-ta505
• https://www.proofpoint.com/us/threat-insight/post/ta505-abusing-settingcontent-ms-within-pdf-files-distribute-flawedammyy-rat
• https://www.proofpoint.com/us/threat-insight/post/ta505-distributes-new-sdbbot-remote-access-trojan-get2-downloader
• https://www.zerofox.com/blog/ta505-halloween-malware/