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May 31, 2022Severity
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
- b5746928e66790ebd54e1052353fc2a0
SHA-256
- e63bfc04792f9f4b921ef182b83f03a5212f061a7c7d8cfe3c51f4fbc0032cba
SHA1
- 43e19422cb3066a738944f2eeeb727a182aa48b4
Remediation
- Block all threat indicators at your respective controls.
- Search for IOCs in your environment.