- In 2017, an anti-Israel & pro-Palestinian data wiper called IsraBye was discovered in attacks on Israeli organizations.
- In 2023, Israel suffered a wave of BiBi wiper attacks targeting organizations, including in the education and technology sectors.
ESET partner breached to send data wipers to Israeli orgs
A data wiper is malware that intentionally deletes all of the files on a computer and commonly removes or corrupts the partition table to make it harder to recover the data.
While the eset.co.il domain is branded with ESET's content and logos, ESET told BleepingComputer it is operated by Comsecure, their Israel distributor.
- To help protect the device, ESET offers a more advanced antivirus tool called "ESET Unleashed" to protect against the threat.
"Your device has been identified among a list of devices currently being targeted by a state-backed threat actor. Information attained by ESET's Threat Intelligence Division has identified a geopolitically motivated threat group as having attempted to target your machine within the last 14 days of this email," reads the phishing email obtained by BleepingComputer.
"As part of ESET's Advanced Threat Defense program (ESET-ATD), ESET is providing you access to the ESET Unleashed program, designed to counter advanced targeted threats, for you to install on up to 5 devices of yours."
From the phishing email headers, BleepingComputer has confirmed that the email originated from legitimate mail servers for eset.co.il, passing SPF, DKIM, and DMARC authentication tests.
- To further add legitimacy to the attack, the link to the download was hosted on eset.co.il domain at URLs like, https://backend.store.eset.co[.]il/pub/2eb524d79ce77d5857abe1fe4399a58d/ESETUnleashed_081024.zip, which are now disabled.
- This ZIP archive [VirusTotal] contains four DLL files digitally signed by ESET's legitimate code signing certificate and a Setup.exe that is not signed.
- The four DLLs are legitimate files distributed as part of ESET's antivirus software.
BleepingComputer attempted to test the wiper on a virtual machine, but the executable automatically crashed.
"etup.exe is malicious.
- It uses a host of obvious techniques to try to evade detection," explains Beaumont.
At this time, it is unknown how many companies were targeted in this phishing campaign or how Comsecure, ESET's Israeli distributor, was breached.
BleepingComputer emailed various people at Comsecure, including its CEO, but has not received a reply yet.
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