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March 29, 2022Severity
High
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 has worm capabilities, which let it propagate to other computers on the same network, as well as rootkit capabilities, which 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.
Impact
- Unauthorized Access
- Financial Theft
- Information Theft
Indicators of Compromise
MD5
- 20052c1b8baac3a8a7ccf35cf91fc679
SHA-256
- 9f19e0226ddf63d6fdb4d5247768a2da3e6435d08de9a4f0c358c05baeef22b5
SHA-1
- ae4c3761aa6cc8051ef468012af1678af3e96ce4
Remediation
- Block the threat indicators at their respective controls.
- Search for IOCs in your environment.