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Ransomware group profile · #79 by claimed victims

BrainCipher ransomware

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'.

Active First seen Jul 2024
77Victims claimed on leak sites
8Victims in the last 30 days
18Victims in the last 90 days
25Countries hit
0Leak-site URLs tracked
31 Aug 2026Latest claim recorded

Victimology

Who BrainCipher claims to have breached, from 77 leak-site posts recorded by VULONE.

Claims per month last 12 months

Oct 2025: 5OctNov 2025: 0Dec 2025: 0Jan 2026: 0JanFeb 2026: 0Mar 2026: 0Apr 2026: 0AprMay 2026: 12Jun 2026: 7Jul 2026: 6JulAug 2026: 8Sep 2026: 0

Top sectors

Professional Services23
Technology14
Manufacturing10
Healthcare6
Other4
Retail & E-Commerce4
Financial Services4
Agriculture and Food Production3

Top countries

United States21
Canada7
United Kingdom7
Spain5
France5
Mexico4
United Arab Emirates3
Brazil2

Latest claimed victims 12 most recent

VictimSectorCountryClaimed
icot.es icot.es Technology ES 31 Aug 2026
aeiconsultants.com aeiconsultants.com Professional Services US 31 Aug 2026
syc.es syc.es Technology ES 31 Aug 2026
Adviesbureau De Beuckelaer BV Professional Services NL 31 Aug 2026
ahadandco.com ahadandco.com Other AE 31 Aug 2026
sago.com sago.com Technology 31 Aug 2026
crmeyer.com crmeyer.com Professional Services DE 31 Aug 2026
ccsperfusion.com ccsperfusion.com Healthcare US 31 Aug 2026
windiam.com windiam.com Technology BE 22 Jul 2026
robroy.com robroy.com Manufacturing US 9 Jul 2026
iac-intl.com iac-intl.com Professional Services US 9 Jul 2026
digitaldynamics.com digitaldynamics.com Technology US 1 Jul 2026

All 77 BrainCipher victims, searchable

Full victim list with claim posts, domains, timing and exports, plus the negotiation chats and leak-site screenshots VULONE archives for this crew.

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Tactics, techniques and procedures

ATT&CK technique mapping for BrainCipher is in progress. Victimology, infrastructure status and leak-site tracking are live above.

Indicators, detections and the full playbook

Hashes, C2 addresses, onion services, Sigma and YARA detections per technique, and the negotiation transcripts are available to signed-in analysts.

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Frequently asked

Is BrainCipher ransomware still active?
BrainCipher is tracked as active. The most recent leak-site claim VULONE recorded is dated 31 August 2026. 8 victims were claimed in the last 30 days.
How many victims has BrainCipher claimed?
VULONE has recorded 77 leak-site victim claims attributed to BrainCipher since July 2024, across 25 countries and 13 sectors.
Which industries does BrainCipher target?
The sectors most often named on the BrainCipher leak site are Professional Services, Technology, Manufacturing.
Which countries are most affected by BrainCipher?
Most BrainCipher victims recorded by VULONE are located in United States, Canada, United Kingdom.
Where does VULONE get BrainCipher victim data?
Claims are collected continuously from the group's own leak sites and cross-checked with ransomware.live and RansomLook. A claim is the group's assertion, not a confirmed breach.

Other ransomware groups

Victim claims are collected from leak sites and enrichment partners (ransomware.live, RansomLook) and represent the group's own assertions, not confirmed breaches. Profile last updated 16 September 2026. Questions or corrections: [email protected].