General

  • Target

    8d0e63bb8e7b09524ce91ce1aabae1fe5bf1aee2d48ae0f25cc7bd86b855f0ea

  • Size

    152KB

  • Sample

    221127-m9rptscd68

  • MD5

    4f3e9ab19c236fb27a0bd9025114aeb7

  • SHA1

    f619161f0488312bccd36c4aa54144cf3b5c4d70

  • SHA256

    8d0e63bb8e7b09524ce91ce1aabae1fe5bf1aee2d48ae0f25cc7bd86b855f0ea

  • SHA512

    ee8005c7eef695a65c77bb90e52b5544f351e0b9fd38f444f70ec1ecd67fdf7303aa24adcbe565febfe76b6e73ca1df03b1b01c7e27b19739e20f74397d6f4de

  • SSDEEP

    3072:0W7cwqM/YS63ciOvW5v3sWwKEQJjKB2Hq7G7n0:lQkiciOO9wKEQJ/1n

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      8d0e63bb8e7b09524ce91ce1aabae1fe5bf1aee2d48ae0f25cc7bd86b855f0ea

    • Size

      152KB

    • MD5

      4f3e9ab19c236fb27a0bd9025114aeb7

    • SHA1

      f619161f0488312bccd36c4aa54144cf3b5c4d70

    • SHA256

      8d0e63bb8e7b09524ce91ce1aabae1fe5bf1aee2d48ae0f25cc7bd86b855f0ea

    • SHA512

      ee8005c7eef695a65c77bb90e52b5544f351e0b9fd38f444f70ec1ecd67fdf7303aa24adcbe565febfe76b6e73ca1df03b1b01c7e27b19739e20f74397d6f4de

    • SSDEEP

      3072:0W7cwqM/YS63ciOvW5v3sWwKEQJjKB2Hq7G7n0:lQkiciOO9wKEQJ/1n

    • 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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks