Indian Springs School District #109
bd_44f125ea9b615fbb · schema v1 · pii pii-v1
Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group RansomHub on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.
Source: Ransomware.live
Post text · scraped from the leak site
isd109.org is the website for Winthrop Harbor School District 109, located in Winthrop Harbor, Illinois. The district serves the educational needs of students in the community, offering programs from early childhood through middle school. It emphasizes a supportive learning environment, with a focus on academic excellence, character development, and community engagement. The district is committed to providing quality education and fostering growth for all students.
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Nov 25, 2024
Claim posted
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Corroborated · see linked filings
Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.
Claim → filing
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Compliance clock
Not assessable
Linked disclosures
Why this link?Regulatory filings (5) · sorted by filing gap
- Illinois State AGbd_8a2c9fe87a2a03502025-07-01 · +217dCandidate
- Indiana State AGbd_0b5c722ca31357652025-07-14 · +230dVerified
- Nebraska State AGbd_8a13eb7f6ff1b05c2025-07-14 · +230dVerified
- Maine State AGbd_9aacdd3a8e2a7ce92025-07-14 · +230dVerified
Show 1 more filing ↓Show fewer ↑up to 237d gap
- New Hampshire State AGbd_9c287795e0492b982025-07-21 · +237dVerified
Filing propagation · 6 filings · 5 states
View merged incident ↗Pattern: first filing Nov 25, last Jul 21 (NH) — a 237-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.
Source ceiling
- actor name
- victim claim
- ransom/leak status
- discovery date
- materiality
- notification
- affected count
- confirmed data types
- compliance clock
The ✕ fields stay blank until a regulatory filing or victim disclosure lands.
ransomhub
According to ransomware.live, The group emerged in mid-February 2024 and has already listed several organizations as alleged victims of their attacks, resulting from extortion through encryption and data leaks. The announcement of the sale of the new Ransomware-as-a-Service (RaaS) by RansomHub was published on one of the Russian-origin forums used by cybercrime to advertise malicious services, known as RAMP4U (or RAMP). A user with the nickname and persona of 'koley' announced the affiliate program on February 2, 2024. In the new RaaS announcement, it was mentioned that the money laundering operation of the paid ransoms is the responsibility of the affiliate. This means that all communication and sending of the decryptor to the victim are done through chat. The split of this RaaS would be 90% of the value for the affiliate and 10% for the developer, who in this case would be the persona of Koley. Furthermore, according to the publication, the ransomware payload is written in Golang language, uses the asymmetric algorithm based on x25519, and encryption algorithms AES256, ChaCha20, and xChaCha20, standing out for its speed. The encryption is obfuscated using AST. The payload would support network propagation and encryption of data both in secure and local mode. According to Koley, the ransomware is designed to operate on platforms such as Windows, Linux, and ESXi, as well as other architectures such as ARM and MIPS. As pointed out by the panel and already highlighted by the intelligence team, Koley stated that the panel uses a .onion domain, allowing the affiliate to organize and manage targets and chat rooms, view access logs, automatically respond when offline, and create private blog pages. Source: https://github.com/crocodyli/ThreatActors-TTPs