Strem Chemicals
bd_9e3ad783e8879bb8 · schema v1 · pii pii-v1
Full breach record for Strem Chemicals →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Ransomhouse 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
Strem established in 1964, is a company that manufactures and markets specialty chemicals of high purity. Strem was acquired by Ascensus Specialties in 2021. Its clients include academic, industrial and government research and development laboratories as well as commercial scale businesses in the pharmaceutical, microelectronic and chemical / petrochemical industries. Strem also provides custom synthesis (including high pressure synthesis) and cGMP manufacturing services.
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Dec 22, 2022
Claim posted
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No filing yet · watching
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
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.
No regulatory filing corroborates this yet — it is the attacker's own assertion. Watch this entity to be notified the moment a filing corroborates or contradicts it.
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.
ransomhouse
According to ransomware.live, RansomHouse is a double-extortion RaaS operation active since late 2021, attributed to the threat actor "Jolly Scorpius," targeting over 120 organizations across healthcare, finance, transportation, and government, recently upgrading to a multi-layered dual-key encryption architecture.