Incidents

“Format before use” – wasn’t that a thing for floppies?

Some months ago I bought a HDD-based MP3 player from iRiver. When I plugged it into my computer I was hit with an unhappy surprise – a virus was detected.

I did some (re)search and it turned out that iRiver has shipped MP3 players containing the VBS.Saraci virus.

At first only the model I purchased seemed affected. However when I did some checking a few weeks later I saw reports concerning other models as well.

So why I am bringing up old news?

Because yesterday I got an e-mail from a person which stated that another brand of MP3 player named “Denver” also carries this malware, making this ‘old news’ new again. This person purchased the device as a Christmas present.

And what also makes the old news new: this concerns a Flash-based player instead of a HDD-based player.

VBS.Saraci utilizies a vulnerability not present in Windows 2000 or XP. The virus’s most important characteristic in this case is that VBS.Saraci copies itself into the root of every (network)drive as “folder.htt”, just as it was in the case with the above mentioned MP3 players.

This leads me to believe that the players have been tested on infected (pre XP) computer(s), which then in turn infected the MP3 players.

It’s not unlikely that we will see other, perhaps more destructive malware ‘pre installed’ on MP3 players. Therefore I would like to advise everyone to format your (just purchased) MP3 player before plugging it into the computer, as you otherwise might get infected.

“Format before use” – wasn’t that a thing for floppies?

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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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