General

  • Target

    3933b642ba9b8378e120b07c793ea3da4977a3239319ce27a04d426336e0b8a1

  • Size

    200KB

  • Sample

    220924-d4hejabghn

  • MD5

    347244f6ce9649affe64f73867dc46f3

  • SHA1

    fdf2b4fad5018dc568b6ded7e5b086f64eaef447

  • SHA256

    3933b642ba9b8378e120b07c793ea3da4977a3239319ce27a04d426336e0b8a1

  • SHA512

    7e68bff829925338832c00db6cacb26917424025787d6a8f5485574d4da2ac645a9b3848efbc8fd766ad5326f4ad6b8a2d7e70161824c1738263b400c3c73e3e

  • SSDEEP

    3072:gwhnyEzLTffCXg85NHuEm7fWDFvF4SOiZc7F8HeBal/Pkj4x:g7kLTCXvm7uD1ySOiZw

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      3933b642ba9b8378e120b07c793ea3da4977a3239319ce27a04d426336e0b8a1

    • Size

      200KB

    • MD5

      347244f6ce9649affe64f73867dc46f3

    • SHA1

      fdf2b4fad5018dc568b6ded7e5b086f64eaef447

    • SHA256

      3933b642ba9b8378e120b07c793ea3da4977a3239319ce27a04d426336e0b8a1

    • SHA512

      7e68bff829925338832c00db6cacb26917424025787d6a8f5485574d4da2ac645a9b3848efbc8fd766ad5326f4ad6b8a2d7e70161824c1738263b400c3c73e3e

    • SSDEEP

      3072:gwhnyEzLTffCXg85NHuEm7fWDFvF4SOiZc7F8HeBal/Pkj4x:g7kLTCXvm7uD1ySOiZw

    • 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