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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
- e8a5392f6773a3cfda23fc0b9ea09749
- 14214f7904102bb6747d0e31a50c08d3
SHA-256
- f25a3e2bbaa9bed0210adf5bff0bc5d76fbf44e09ae4bc22e40473814a6ebad1
- 2dcaca208625860f4eb114af4c4158368284eb99c994793d5ac66d3af654bf5f
SHA1
- 791fa78b31f640830d37ec92bae5dac67b15db9a
- a89974390c9c03495e631f6dca4ae54d044d0941
Remediation
- Block all threat indicators at your respective controls.
- Search for IOCs in your environment.