Spam and phishing mail

More spam in Dutch

After blogging about Dutch language spam last week, we’ve seen more of it yesterday.

The criminals sent out almost the exact same messages that we saw last time, with the same subjects: a girl called Polina looking for a friend and a nuclear accident in Amsterdam. The only differences are that the date of the ‘nuclear accident’ has been changed, and the spam was sent on a much larger scale.

Once again, the attachment is a new Zbot variant, which we detect as Trojan-Spy.Win32.Zbot.di.

More spam in Dutch

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Reports

Lazarus targets defense industry with ThreatNeedle

In mid-2020, we realized that Lazarus was launching attacks on the defense industry using the ThreatNeedle cluster, an advanced malware cluster of Manuscrypt (a.k.a. NukeSped). While investigating this activity, we were able to observe the complete life cycle of an attack, uncovering more technical details and links to the group’s other campaigns.

Sunburst backdoor – code overlaps with Kazuar

While looking at the Sunburst backdoor, we discovered several features that overlap with a previously identified backdoor known as Kazuar. Our observations shows that Kazuar was used together with Turla tools during multiple breaches in past years.

Lazarus covets COVID-19-related intelligence

As the COVID-19 crisis grinds on, some threat actors are trying to speed up vaccine development by any means available. We have found evidence that the Lazarus group is going after intelligence that could help these efforts by attacking entities related to COVID-19 research.

Sunburst: connecting the dots in the DNS requests

We matched private and public DNS data for the SUNBURST-malware root C2 domain with the CNAME records, to identify who was targeted for further exploitation. In total, we analyzed 1722 DNS records, leading to 1026 unique target name parts and 964 unique UIDs.

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