Rewterz Threat Alert – Qakbot (Qbot) Malware – Active IOCs

Severity

Medium

Analysis Summary

QBot, often known as QakBot, is modular information malware. It has been operational since 2007. This banking Trojan, QakBot steals financial data from infected systems, and a loader using C2 servers for payload targeting and download. Qakbot can propagate to other computers on the same network and allow it to mask its existence and build persistence on infected computers. A malware attachment to a phishing email is commonly used in QakBot attacks. This particular campaign includes an xls file that contains macros. These macros run a script that fetches the Qakbot payload from a list of URLs. To get the victim to activate macros, the attackers employ a common trick, like when the target downloads the file, it is asked to allow changes and then content before viewing the document.

During the past months, it is observed that attackers are employing a number of strategies to avoid detection, using Excel (XLM) 4.0 and ZIP file extensions. They are utilizing sophisticated strategies to evade automated detection and increase the likelihood that their attack will succeed, such as obfuscating code, using numerous URLs to deliver the payload and others. Threat actors are disguising attachments intended to spread malware using a variety of different common file names with typical keywords for finance and business operations

Impact

Unauthorized AccessFinancial Theft Information Theft

Indicators of Compromise

MD5

12df2235fcf417ca9fce1c8e87966d4163775b771f53ef5023c35ba92b1cf00b815e3a4a1c7b4251f6372ba07a1fe07dbcaf941c814aa6734707fba984377a0c

SHA-256

4da6a24bbbe06b75cba285e4660e48bbe6dc8dfe068bdfa3d31bca94107a2676210394f04084e408d509956b2207e8a4f5a4e2ebdbeab40c3d723bc6f3c0eb7d8a13b1e31edb89937a6370e9d8e00054868333e12b06aca1ce1df1095814dc64ffa7b56501ed764348dac76adc5eb04bd1e09f8f6ea3ea042e8b93726482fc6c

SHA-1

70a424f43c83f6a0cae3e121400e2518bd3e090b006b5434998c950c6f8b29a60da75e4989dfa5164088c663868b8b57c800061d65c910c2a44d4de2bd8db5f85ac711101922ed9485bd2ef701c5cd08

Remediation

Block the threat indicators at their respective controls.Search for IOCs in your environment.

The post Rewterz Threat Alert – Qakbot (Qbot) Malware – Active IOCs first appeared on Rewterz.

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