General

  • Target
    5d21f809eaaade73ed06d17823f93731.exe
  • Size 208KB
  • Sample220128-hrha8aggep
  • SHA256 9cab0c7efdafdcab54b20bf295f36ecb1cc35cdad27dddb7b568a637263e8003
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • tofsee

C2
  • patmushta.info

  • ovicrush.cn

Targets

    • Target
      5d21f809eaaade73ed06d17823f93731.exe
    • Size 208KB
    • SHA256 9cab0c7efdafdcab54b20bf295f36ecb1cc35cdad27dddb7b568a637263e8003
    • MD5 SHA1 SHA512
    • Tofsee

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

    • Windows security bypass

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks