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The BlueNoroff cryptocurrency hunt is still on

SecureList

The group seems to work more like a unit within a larger formation of Lazarus attackers, with the ability to tap into its vast resources: be it malware implants, exploits, or infrastructure. Also, we have previously reported on cryptocurrency-focused BlueNoroff attacks. Malware infection.

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StripedFly: Perennially flying under the radar

SecureList

Introduction It’s just another cryptocurrency miner… Nobody would even suspect the mining malware was merely a mask, masquerading behind an intricate modular framework that supports both Linux and Windows. Subsequent analysis revealed earlier instances of suspicious code dating back to 2017.

Malware 110
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DirtyMoe botnet infected 100,000+ Windows systems in H1 2021

Security Affairs

Experts defined DirtyMoe as a complex malware that has been designed as a modular system. The Windows botnet has been active since late 2017, it was mainly used to mine cryptocurrency, but it was also involved in DDoS attacks in 2018. “Both PurpleFox and DirtyMoe are still active malware and gaining strength.”

DNS 127
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When Low-Tech Hacks Cause High-Impact Breaches

Krebs on Security

Web hosting giant GoDaddy made headlines this month when it disclosed that a multi-year breach allowed intruders to steal company source code, siphon customer and employee login credentials, and foist malware on customer websites. But we do know the March 2020 attack was precipitated by a spear-phishing attack against a GoDaddy employee.

Hacking 269
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TA505 Group adds new ServHelper Backdoor and FlawedGrace RAT to its arsenal

Security Affairs

Proofpoint analyzed two strains of malware tracked as ServHelper and FlawedGrace distributed through phishing campaigns by the TA505 crime gang. Security researchers at Proofpoint researchers discovered two strains of malware tracked as ServHelper and FlawedGrace distributed through phishing campaigns by the TA505 crime gang.

Malware 90
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IT threat evolution Q3 2023

SecureList

To exfiltrate data and deliver next-stage malware, the attackers abuse cloud-based data storage, such as Dropbox or Yandex Disk, as well as a temporary file sharing service. The postinst script contains comments in Russian and Ukrainian, including information about improvements made to the malware, as well as statements by activists.

Malware 94
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IT threat evolution in Q2 2023

SecureList

While investigating an infection of a cryptocurrency company in Southeast Asia, we found Gopuram coexisting on target computers with AppleJeus , a backdoor attributed to the Lazarus. The threat actor specifically targeted cryptocurrency companies. We observed that they have a specific interest in cryptocurrency companies.

Malware 76