About the group
TA551 is a financially-motivated threat group that has been active since at least 2018. The group has primarily targeted English, German, Italian, and Japanese speakers through email-based malware distribution campaigns.
Attack chain
Plausible scenario built from the group's real techniques, ordered by the phases of an attack. Each step shows how the group typically operates.
Illustrative chain derived from techniques documented in MITRE ATT&CK — it does not represent a specific past attack. Severity summarizes the known arsenal (kill-chain coverage, actively exploited CVEs, techniques).
Techniques (MITRE ATT&CK) 14
How the group operates, mapped to the MITRE ATT&CK matrix and organized by the phases of an attack.
Exploited vulnerabilities
No CVEs attributed to this group in public sources (MITRE ATT&CK). Absence of attribution does not mean absence of activity.
Known infrastructure 636
Real indicators (C2, domains, URLs and hashes) associated with the malware this group uses. Source: abuse.ch (ThreatFox, URLhaus, MalwareBazaar).
ef5ebe165dc61a588e448f5a045f545dSliverthreatfoxfb7fc0a4b77adfe1388efd7d08e113ee6abc142eSliverthreatfox01c6597a9d807338577300a4c861509021b161784c7997d70e4bd44d4da2c059Sliverthreatfoxhttp://http:/f.pylrk.cc/HaKi2ufpiQ8AeVTZ/hostSliverthreatfox2688fb01200335f8a1f0239b5f7ccbf9263426ceSliverthreatfoxbe02c9890e938e672165c1c10bc99bb2Sliverthreatfox0b155f94bce42cde68d41230f5f59bd3fc46dbc8Sliverthreatfox19a878708605994686c72a7dd3652d07Sliverthreatfox045e0dc95dbfa3ce9d457810c24751e95c8416762a4452e28ff29bde1c58f8f8Sliverthreatfox9f51ab6d2c23a1d89f3fdda78243e2a975984e9ea496c6ecc95d155fafafcfd6Sliverthreatfoxhttp://46.19.140.40:8443/SecurityHealthSys.exeSliverurlhaushttp://46.19.140.40:8443/loader.exeSliverurlhaus2823619d9775c348c53807e986feee0c6862ee7350e2d0e4edc6954b2de73c02Sliverthreatfox46.151.182.182:31337Sliverthreatfox159.89.28.205:31337Sliverthreatfox156.251.16.152:31337Sliverthreatfox154.219.114.14:8443Sliverthreatfox45.130.167.184:31337Sliverthreatfox207.148.73.17:31337Sliverthreatfox196.251.121.120:31337Sliverthreatfox152.67.199.142:10443Sliverthreatfox137.184.126.9:31337Sliverthreatfox51.178.49.164:31337Sliverthreatfox187.145.62.206:31337Sliverthreatfox76d2b36de3696996b07353c29a06698aSliverthreatfoxd146f59f4dcfe845fe28ed91b3eed530e78947a8Sliverthreatfoxc1e184615241fe69db3bf4093a22c7c0bf5d6072d2f51e558142b844e871084fSliverthreatfox67.215.229.22:31337Sliverthreatfox5.230.253.51:31337Sliverthreatfox185.130.46.90:443Sliverthreatfox+636 indicators in total. See them all on the IOCs page.
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