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May 31, 2022Rewterz Threat Alert – DarkCrystal RAT (DCRat) – Active IOCs
May 31, 2022Severity
High
Analysis Summary
A new Mirai variant is making the rounds called mirai_pteamirai. The botnet exploits a vulnerability in KGUARD DVR to spread within an environment. The vulnerability exists in the 2016 firmware version and is fixed in any version after the 2017 release. This botnet is active and used to cause DDoS conditions.
Impact
- Server Outage
- Data Loss
- Website Downtime
Indicators of Compromise
MD5
- 2ee779e2ea8ffc45d35f63b3e3b4c2f6
- edb2c24b0f7f6de33bc8cbcbd7740845
- 41e2c6ba129307ab0278fe5fbbf26076
- 71d9dc310fe6c0ae9a43c02e49563f0c
- 35489eb54cec9ba9998e1f3cba498664
SHA-256
- d5c164a0d64811d77dd8b6be5f40282d67c636e0d9277aafae7590ecb20176fa
- 437b9fc0a8806e3ebe233a71621c4b2504bbcf2396ce1ac6ff72ef964be31a11
- f07d4dee8c2e9c8cc44953f7452d30529f2ebafdd0a079d01c8329b90b8603de
- 2f237efd1862daefb899cce61cbbeb6e7ddecbfba16509f6dd5a47c8feeb995b
- 48fd84b4831b6a4fa19be6cfc4092da41f036022d308376eb360e2f50dba3355
SHA-1
- b8026f1b7119ad98e3a693049e1538cd89734c58
- d65ab57a3a7d63ea4da49f44f8bf84c1a9951579
- accb723a1a7d6f34e6e89bffcb6c39f44986f22b
- 4f1e0f4e9171f4e396c10a8fa1e921aad9abec45
- 8d63592eeadd16241998cdd4382f8d93f5a36f6f
Remediation
- Upgrade your operating system.
- Don’t open files and links from unknown sources.
- Install and run anti-virus scans.