> JapanHacked_
[Resolved][Severity: Moderate][Malware]

Nippon Kanzai: one employee's PC was infected with Emotet, and about 6,400 suspicious mails posing as staff were sent before it was stopped

An employee's PC was infected on September 14, and about 6,400 mails posing as staff went out before it was found and isolated the next day.

Disclosed

2020-09-17

Organizations involved

1

Leaked or at risk

Unknown

Downtime

Unknown

What happened

  1. One employee's PC was infected with Emotet. [1]

  2. The infection was detected; the PC was isolated and mail sending stopped. By then about 6,400 suspicious mails posing as staff had gone out. [1]

  3. Public disclosure. A scan of all PCs and the operation logs led the company to conclude that only this one PC was infected. [1]

Timeline

  1. Started 2020-09-14
  2. Detected 2020-09-15
  3. Disclosed 2020-09-17
  4. 3 days

Attack or cause

Method
[Malware]
Impact
Entry point
E-mail

Data exposed or at risk

–

Organizations involved

Open in organization search

Sources

  1. [1][Official]当社パソコンのウィルス感染及び不審なメールの発生についてNippon Kanzai · 2020-09-17