DisclosureLens
GLOBALMalwareManufacturingManufacturingRansomwareRookRansom DemandedActor NamedMedium

KMG Prestige

bd_a8a84adf70cecc94 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Dec 7, 2021

To disclose

—

Affected

Not disclosed

Linked

6 filings

Confidence

50%
Full breach record for KMG Prestige →

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Rook 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.

Group activity: ManufacturingDiscovered: 2021-12-07
View aggregator listing on ransomware.liveView merged incident timeline

Source: Ransomware.live

Incident timeline — mostly unverified

? — ?

Breach window unknown

Dec 7, 2021

Claim posted

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Claim → filing

—

Compliance clock

Not assessable

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Show 1 more filing ↓up to 69d gap

Filing propagation · 6 filings · 4 states

View merged incident ↗
Leak SiteDec 7 · first · this page
Indiana State AG+62d
Massachusetts State AG+62d
South Carolina State AG+62d
Montana State AG+62d
Massachusetts State AG+69d

Pattern: first filing Dec 7, last Feb 14 (MA) — a 69-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claimThis record

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

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.

About this groupFirst seen 2021-12-07

rook

According to ransomware.live, According to PCrisk, Rook is ransomware (an updated variant of Babuk) that prevents victims from accessing/opening files by encrypting them. It also modifies filenames and creates a text file/ransom note (HowToRestoreYourFiles.txt). Rook renames files by appending the .Rook extension. For example, it renames 1.jpg to 1.jpg.Rook, 2.jpg to 2.jpg.Rook.

9 victims claimed globally9 tracked hereFull profile →