General

  • Target

    c93020e01233f2935a6fba66fa3e3ccc38b0fc50bacd0a374c1130910f821935

  • Size

    251KB

  • Sample

    231105-2c5bzsdg4s

  • MD5

    3289ff07ba3c5b4ea9614f862dae3bd8

  • SHA1

    30b15edf7ad3f7bc059f58436198d5619f06a53a

  • SHA256

    c93020e01233f2935a6fba66fa3e3ccc38b0fc50bacd0a374c1130910f821935

  • SHA512

    9e90abf93b6e7268a0c8993c864d9b106c00990f77c1d8011ea7325a0467332f508f04dc083c46880dea9a71a9a6fbf6c8bdcec83b310093eea0c455c66e5a82

  • SSDEEP

    3072:7RoP5wl8uJh5E7jjzFApPWASdKogJodIj+5JjAxSdhee3hUDxy/Ocat:toWlbhOTFApPmdKogJc5JMxUh7OQG

Malware Config

Extracted

Family

tofsee

C2

vanaheim.cn

jotunheim.name

Targets

    • Target

      c93020e01233f2935a6fba66fa3e3ccc38b0fc50bacd0a374c1130910f821935

    • Size

      251KB

    • MD5

      3289ff07ba3c5b4ea9614f862dae3bd8

    • SHA1

      30b15edf7ad3f7bc059f58436198d5619f06a53a

    • SHA256

      c93020e01233f2935a6fba66fa3e3ccc38b0fc50bacd0a374c1130910f821935

    • SHA512

      9e90abf93b6e7268a0c8993c864d9b106c00990f77c1d8011ea7325a0467332f508f04dc083c46880dea9a71a9a6fbf6c8bdcec83b310093eea0c455c66e5a82

    • SSDEEP

      3072:7RoP5wl8uJh5E7jjzFApPWASdKogJodIj+5JjAxSdhee3hUDxy/Ocat:toWlbhOTFApPmdKogJc5JMxUh7OQG

    • 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

    • Deletes itself

    • Executes dropped EXE

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks