Malware descriptions

New Bank Trojans

Over the last couple of days there’s been quite a lot of talk about a Trojan + rootkit called Hearse.

We detect this malware as Trojan-Spy.Win32.Goldun.im. It’s a developed version of Trojan-Spy.Win32.Goldun.hp, which also has the rootkit on board.

Here’s a screenshot of KAV6, which is currently in Release Candidate status, detecting the active Goldun.im components.

While it has gained considerable media attention, such pieces of malware are quite common and unfortunately part of the everyday malware landscape.

On a related note:

A couple of days ago we came across a Bancos variant, Trojan-Spy.Win32.Bancos.pw, which is able to intercept HTTPS traffic.

It targets two German banks, Postbank and Deutsche Bank.

The number of Trojans which is able to do this is still low, but there’s no doubt that we are going to see more of these.

I’m personally very wary of this type of malware evolution – it could well end up making the (home user) tokens currently used to secure online banking useless.

New Bank Trojans

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Reports

The leap of a Cycldek-related threat actor

The investigation described in this article started with one such file which caught our attention due to the various improvements it brought to this well-known infection vector.

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.

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