May 2022 edition of the Threat Hunting Journal

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Heimdal ™ Our threat is back with the May edition of the victim journal. As you might have expected, King Trojan reigns unhindered with over 16,000 positive identities. There are a few newcomers out there, some of whom might even make our uncrowned king run for his money. Stay tuned for more information and goodies. Enjoy!

Top Malware (s) Detection: 1st May – 27M May’s

Throughout the month of May, Heimdal ™’s SOC team identified 16 Trojan variants, with a total of 16,738 positive detections – a 55.19% decrease compared to April, when a historic high of 25,976 positive detections was recorded. In terms of distribution, we have 11 new ones and 20 backsliders. TR / Rozena / jrrvz racked the highest number of positive IDs (i.e., 2675), followed by TR / CoinMiner.uwtyu with 2316 positive IDs and EXP / MS04-028.JPEG.A with 2280 hits. Here is the complete list of May detections.

The name of the malwarePositive identification
TR / Rozena.jrrvz2675
TR / CoinMiner.uwtyu2316
EXP / MS04-028.JPEG.A2280
TR / Rozena.rfuus1635
TR / Trash.Zen1600
TR / Patched.Zen1439
TR / AD.GoCloudnet.kabtg1398
EXP / CVE-2010-2568.A969
TR / Downloader.Gen958
TR / CoinMiner.wmstw919
TR / PSInject.G1916
VBS / Dldr.Agent.VPET801
W32 / Run.Ramnit.C778
TR / Dropper.Jenner754
ACAD / Bursted.AN698
TR / Crypt.XPACK.Gen667
TR / AD.Swotter.lckuu512
W32 / Floxif.hdc437
ADWARE / ANDR.Bomp.FJAM.Gen383
ACAD / Burste.K308
TR / Crypt.XPACK.Gen2295
TR / dropper.Gen5269
W32 / Chir.B265
WORM / Brontok.C224
W32 / Sality.Y214
Adware / jspounder.g199
W32 / can199
TR / AD.Swotter.fgqir195
TR / Dropper.tfflr190
EXP / PyShellCode.G182

Top 10 Malware Details

Let’s turn to cover those new identities

TR / Trash.Zen

TR / Trash.Gen is a Trojan-type malware that is usually compressed by visiting unsafe pornographic websites. Trash.Gen can install backdoors, increase CPU usage, and install adware.

TR / PSInject.G1

PSInject.G1 is a PowerShell scrip-carrying Trojan that accesses multiple commands such as new-object, out-null, test-path, where-object, right-output, and right-verbos.

VBS / Dldr.Agent.VPET

Dldr.Agent.VPET is a Trojan downloader. It is used to inject and execute malicious VBS scripts on hunting machines.

TR / AD.Swotter.lckuu

An adware-carrying Trojan is used to collect host and network data from infected machines.

ACAD / Burste.K

A ‘Trojanized’ virus that infects the ACAD .lsp file. After infection, the virus waits for user input to load the files.

TR / dropper.Gen5

A Trojan dropper is used to install backdoors, provide additional malware material, or listen to victims.

WORM / Brontok.C

.C form of Brontak worms. This malware has been distributed via email. Once inside the machine, it will create a new Windows registry entry, disable regedit.exe and change several Windows Explorer settings.

W32 / Sality.Y

The .Y version of the salinity virus is used to install backdoors or to connect the victim’s computer to a botnet.

Adware / jspounder.g

An adware-type malware. May display malicious popups or ads on affected machines.

Additional cybersecurity tips and separation thoughts

This marks the end of the May issue of Heimdal শিকার a security threat journal. Before I go, I’ll share with you a few tips on how you can increase your security.

  • Scanning frequency. No device-scanning policy? Well, now would be a good time to do one.
  • Improved AV protection. Some types of malware do not appear on regular AV scans. If so, I’d encourage you to give it a try Himdal ™ Next-Gen AV and MDMA solution rather than a combination of top-level detection rates, brute-force detection and security features, and more.
  • Phishing. You know, most malware is sent via email. So, if it seems suspicious, it is probably dangerous and therefore should not be opened.

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