The Biggest Ransomware Attack of 2021 – The Kaseya-REvil Fiasco
July 12, 2021Rewterz Threat Advisory – CVE-2021-35211 – SolarWinds Serv-U Managed File Transfer Server Vulnerability
July 13, 2021The Biggest Ransomware Attack of 2021 – The Kaseya-REvil Fiasco
July 12, 2021Rewterz Threat Advisory – CVE-2021-35211 – SolarWinds Serv-U Managed File Transfer Server Vulnerability
July 13, 2021Severity
Medium
Analysis Summary
TrickBot is a banking Trojan that targets sensitive information and acts as a dropper for other malware. Trickbot is usually spread via malicious malspam campaigns. These campaigns send unsolicited emails that direct users to download malware from malicious websites or trick the user into opening malware through an attachment. TrickBot is also dropped as a secondary payload by other malware. The malspam campaigns that use Trickbot use branding familiar to the recipient, such as invoices from accounting and financial firms. The emails typically include an attachment, such as a Microsoft Word or Excel document. The opened attachment will prompt the user to enable macros, which executes a VBScript to run a PowerShell script to download the malware.
Impact
- Credential theft
- Financial loss
- Exposure of sensitive data
Indicators of Compromise
URL
- http[:]//onenote[.]com[.]tr[.]ht/3[.]jpg
- http[:]//onenote[.]com[.]tr[.]ht/6[.]jpg
- http[:]//onenote[.]com[.]tr[.]ht/5[.]jpg
- http[:]//onenote[.]com[.]tr[.]ht/2[.]jpg
- http[:]//onenote[.]com[.]tr[.]ht/1[.]jpg
- http[:]//onenote[.]com[.]tr[.]ht/4[.]jpg
- http[:]//onenote[.]com[.]tr[.]ht/7[.]jpg
- http[:]//onenote[.]com[.]tr[.]ht/
Remediation
- Block all threat indicators at their respective controls.
- Search for IOCs in your environment