General

  • Target
    c9bb0263f1f8bcf29205aa8c41184fe3.exe
  • Size 337KB
  • Sample211231-ktwmqsfcbj
  • SHA256 925c11560a88096bc28480d802d69da132ff883236e0d8dfaf9a367fa07cc245
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • tofsee

C2
  • patmushta.info

  • parubey.info

Targets

    • Target
      c9bb0263f1f8bcf29205aa8c41184fe3.exe
    • Size 337KB
    • SHA256 925c11560a88096bc28480d802d69da132ff883236e0d8dfaf9a367fa07cc245
    • MD5 SHA1 SHA512
    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Windows security bypass

    • suricata: ET MALWARE DNS Query Sinkhole Domain Various Families (Possible Infected Host)

      suricata: ET MALWARE DNS Query Sinkhole Domain Various Families (Possible Infected Host)

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner Payload

    • Creates new service(s)

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Deletes itself

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks