General

  • Target

    aaedae1fa452a304d3065e2ea1bd6d2095de07a22b18a06205bda38427646659

  • Size

    296KB

  • Sample

    231011-h6y8aahe7s

  • MD5

    2bdaf5247ae0a9c549d5b028d3bba314

  • SHA1

    59377777f6c956c422dbdb222730381aadacf475

  • SHA256

    aaedae1fa452a304d3065e2ea1bd6d2095de07a22b18a06205bda38427646659

  • SHA512

    b0852e10b692637ea206db3b4833f644bdb53528a95a318ea55de6095b6195470444f6fc1122d2285c6ad40dc888b49ef3c73722c7b4e0caa7fef03a3a9033cf

  • SSDEEP

    3072:gF/1kYoF9O/aT6c7s0gXdqR10zRylbcbVvWs2h1DsAw:W/1gFE/aT57GxylYNcu

Malware Config

Extracted

Family

tofsee

C2

vanaheim.cn

jotunheim.name

Targets

    • Target

      aaedae1fa452a304d3065e2ea1bd6d2095de07a22b18a06205bda38427646659

    • Size

      296KB

    • MD5

      2bdaf5247ae0a9c549d5b028d3bba314

    • SHA1

      59377777f6c956c422dbdb222730381aadacf475

    • SHA256

      aaedae1fa452a304d3065e2ea1bd6d2095de07a22b18a06205bda38427646659

    • SHA512

      b0852e10b692637ea206db3b4833f644bdb53528a95a318ea55de6095b6195470444f6fc1122d2285c6ad40dc888b49ef3c73722c7b4e0caa7fef03a3a9033cf

    • SSDEEP

      3072:gF/1kYoF9O/aT6c7s0gXdqR10zRylbcbVvWs2h1DsAw:W/1gFE/aT57GxylYNcu

    • 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)

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks