Resubmissions

13/09/2024, 08:50

240913-krlpravbkn10

12/09/2024, 22:11

240912-14fl9syckf10

General

  • Target
    0fcd127ebda0d435dda364e977a26120N
  • Size 239KB
  • Sample240913-krlpravbkn
  • SHA256 63296be0fc8cedc36f814d05171e0cddf9186afa45ead6ec8632b7cbe4b06ccc
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • tofsee

C2
  • vanaheim.cn

  • jotunheim.name

Targets

    • Target
      0fcd127ebda0d435dda364e977a26120N
    • Size 239KB
    • SHA256 63296be0fc8cedc36f814d05171e0cddf9186afa45ead6ec8632b7cbe4b06ccc
    • MD5 SHA1 SHA512 SSDEEP
    • Tofsee

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

    • Windows security bypass

    • 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