Braincipher
Brain Cipher emerged in July 2024. Both Windows and Linux variants are available. Brain Cipher using the leaked build of LockBit Black for their operations. The group suspected to have exploited CVE-2023-28252 (Microsoft Windows CLFS Driver Privilege Escalation Vulnerability). The Ransom demand ranges from $150,000 to $1,00,0000. Demand to be paid with Monero (XMR) cryptocurrency. In 2025, they have shifted their new Negotiation portal to new server with vanity TOR Domain starting with 'brain'.
Threat level
MEDIUM
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Known infrastructure
The following Tor hidden services have been associated with this group:
hv5on6i3k3g24qtu3ac6vtbrcgl2imz3sasakhfslhbnbqbcri73mqad.onionx3nb7qcygpem2j5xzstyzdtgzofzkwkx4eko3ug4r73i6uhcgvyffjyd.onionkxlw35vctxgbmwtz6474xwtkm2kywifg4efs6ixmvgdgbgi2uaurenid.onioninzk64xcf3sm6qzkehmio7piwhkslhnab3rlviniyg7alcgsxvy7kcyd.onionBrain Cipher Client Area
These sites are malicious. Open them only from an isolated environment.
Check if you’re affected
Look up your domain to see whether it appears on Braincipher’s victim list.
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