Resubmissions

13-09-2024 08:50

240913-krlpravbkn 10

12-09-2024 22:11

240912-14fl9syckf 10

General

  • Target

    0fcd127ebda0d435dda364e977a26120N

  • Size

    239KB

  • Sample

    240912-14fl9syckf

  • MD5

    0fcd127ebda0d435dda364e977a26120

  • SHA1

    37bbb15e2fe577db5023729e15924a61f30f63d7

  • SHA256

    63296be0fc8cedc36f814d05171e0cddf9186afa45ead6ec8632b7cbe4b06ccc

  • SHA512

    6afe29ec24c7e0ed32cb7515fd0db80bc63b0acdefa7cda0795636ac447792985e539986d932d3373e2ad765ae9edb47e1448b1d61806b116d75598b62b9f99c

  • SSDEEP

    3072:4Sa80fS61LJhEirDAo8IQAmiT1norJz6d4kkCbFCWs/x+/Q:+fS61LJhEE5QA5iJa4E/Q

Malware Config

Extracted

Family

tofsee

C2

vanaheim.cn

jotunheim.name

Targets

    • Target

      0fcd127ebda0d435dda364e977a26120N

    • Size

      239KB

    • MD5

      0fcd127ebda0d435dda364e977a26120

    • SHA1

      37bbb15e2fe577db5023729e15924a61f30f63d7

    • SHA256

      63296be0fc8cedc36f814d05171e0cddf9186afa45ead6ec8632b7cbe4b06ccc

    • SHA512

      6afe29ec24c7e0ed32cb7515fd0db80bc63b0acdefa7cda0795636ac447792985e539986d932d3373e2ad765ae9edb47e1448b1d61806b116d75598b62b9f99c

    • SSDEEP

      3072:4Sa80fS61LJhEirDAo8IQAmiT1norJz6d4kkCbFCWs/x+/Q:+fS61LJhEE5QA5iJa4E/Q

    • 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