General

  • Target

    94d11bb9b10c452512621c11a5b57448d3323eddfef63da693a7dc8839ed4f7e

  • Size

    306KB

  • Sample

    230107-hqgcjach89

  • MD5

    b3cad5414efcc94728a979e84ef5c8a6

  • SHA1

    bb530128b80b00119c617dff702f0693a8b4bf9c

  • SHA256

    94d11bb9b10c452512621c11a5b57448d3323eddfef63da693a7dc8839ed4f7e

  • SHA512

    3fb3d2a1bae38fd7f9f6b57a7b457d09b55df981633e685f098b9f79d651d6345f04ad14db1495998a66415139d871d12c0f0e03f56b2eea5f161a0bba8a1066

  • SSDEEP

    3072:s3XpkkLuzx0XeLd5XjDWAykeAYeE0nN4SSbwXkVZYUUA3H4Z5Ktfpi6zSbDL:qJLuFbcKY50nNwAkFR45Cpi6Wb

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      94d11bb9b10c452512621c11a5b57448d3323eddfef63da693a7dc8839ed4f7e

    • Size

      306KB

    • MD5

      b3cad5414efcc94728a979e84ef5c8a6

    • SHA1

      bb530128b80b00119c617dff702f0693a8b4bf9c

    • SHA256

      94d11bb9b10c452512621c11a5b57448d3323eddfef63da693a7dc8839ed4f7e

    • SHA512

      3fb3d2a1bae38fd7f9f6b57a7b457d09b55df981633e685f098b9f79d651d6345f04ad14db1495998a66415139d871d12c0f0e03f56b2eea5f161a0bba8a1066

    • SSDEEP

      3072:s3XpkkLuzx0XeLd5XjDWAykeAYeE0nN4SSbwXkVZYUUA3H4Z5Ktfpi6zSbDL:qJLuFbcKY50nNwAkFR45Cpi6Wb

    • 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