Rewterz Threat Alert – Phobos Ransomware – Active IOCs

Severity

High

Analysis Summary

Phobos Ransomware is based on the Dharma malware that first appeared at the beginning of 2019. It spreads into several systems via compromised Remote Desktop Protocol (RDP) connections. This malware does not use any UAC bypass methods. Unlike other cybercrime gangs that go after big hunts, Phobos creators go after smaller firms that don’t have sufficient funding to pay massive ransoms. This ransomware usually targets healthcare providers, with victims in the United States, Seychelles, Portugal, Brazil, Indonesia, Germany, Romania, and Japan. Its perpetrators demand a little ransom payment, which appeals to victims and enhances the chances of payment. The average Phobos ransom payment in July 2021 was $54,700.

Impact

• File Encryption
• Data Exfiltration

Indicators of Compromise

MD5

• fb9c5fbaf8bc8ba0a664bfb65d90afa6

SHA-256

• 6da7d0148dcdc66078d6f2ccf9654ed0ce3bea949be1560831031059215372aa

SHA1

• 6b790f0216f1bfef23c35b3e398cd4a588d3a914

Remediation

• Block all threat indicators at your respective controls.
• Search for IOCs in your environment.