Hackers Abuse Excel 4.0 Macros to Deliver Malware such as ZLoader & Quakbot


The analysts came to know about this malware through a study of 160,000 Excel 4.0 files between November 2020 and March 2021. After an appropriate investigation, they discovered that 90% of the document files were identified as malicious..

Its not the first time hackers are abusing Excel 4.0; the majority of the hackers attack Excel to spread their malware in the entire system.

To know all its essential information, the professionals have downloaded all the recorded files of Excel up to November 2020, that consist of nearly 160,000, as we informed earlier.

Statistical Analysis & & Data.

Nevertheless, these XLM macros download and carry out a destructive second-stage payload obtained from a remote server. Thats why the cybersecurity researchers affirmed that it is really crucial that Macros must get decrypted as quickly as possible.

Amongst all the 160,000 recorded files, the users found that 90% of the files have actually utilized Excel 4.0 (XLM) macros. If users encounter a document that typically includes XLM macros, then it validates that its macro will be harmful.

The Excel 4.0 macros are being continually adapted by the risk stars. recently professionals have actually found that hackers are abusing Excel 4.0 macros to spread ZLoader and Quakbot malware.

Thats why the hackers try to convince their targets to enable macros so that they can easily decrypt the content. The messages that the hackers send out are rather convincing, and for that reason most of the time, users fall for their trap.

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According to the cybersecurity scientists, XLM macros are a tradition Office option, and as a result, it offers a small possibility that the brand-new documents would use them instead of more “modern” VBA macros.

Quakbot Specimen.

The Excel macros are quite old, however hackers are targetting them because it provides paths to gain access to all the effective performances like interaction with the os (OS).

Additionally, the professionals came to know that the malware fooled the users into enabling macros with persuading messages, however they have also included ingrained files including XLM macros.

After examining the destructive attack, the professionals familiarized that they are dealing with the Quakbot family. Security scientists have actually described further that the hackers behind Quakbot typically disperse all their payloads in the type of an Excel document.

In a report, the cybersecurity scientists specified that Excel4 (XLM) macros are a tradition scripting language that was very first introduced in 1992..