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September 27, 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
- 7eb706885fe55b84bba0f9766b369d28
SHA-256
- 15a127e07fefb2dd5b96fa1bc4d34cc281a5dd504062692ab359547f5edb2691
SHA1
- 281738a117757c8ab01284a5aac940f8ce27c1d6
Remediation
- Block all threat indicators at your respective controls.
- Search for IOCs in your environment.