General

  • Target

    0ec703a207047d728675d8dbec1e8113f82b768145506d0548c03319a94399dd

  • Size

    196KB

  • Sample

    220604-emdkpahec2

  • MD5

    e082b6086c5e209d9f875971bd2a3ba9

  • SHA1

    3bfdfac3b28b83686ae95cdb7d69fb72c8ea8b11

  • SHA256

    0ec703a207047d728675d8dbec1e8113f82b768145506d0548c03319a94399dd

  • SHA512

    9ee57cc10f54137708c112cdd682f0c98ed67cb618aad47ddb2bfc3f5107558c55d57ca3f30bea02f47248b853b71d774bf3834614c1054991bc9be3a2ff762d

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      0ec703a207047d728675d8dbec1e8113f82b768145506d0548c03319a94399dd

    • Size

      196KB

    • MD5

      e082b6086c5e209d9f875971bd2a3ba9

    • SHA1

      3bfdfac3b28b83686ae95cdb7d69fb72c8ea8b11

    • SHA256

      0ec703a207047d728675d8dbec1e8113f82b768145506d0548c03319a94399dd

    • SHA512

      9ee57cc10f54137708c112cdd682f0c98ed67cb618aad47ddb2bfc3f5107558c55d57ca3f30bea02f47248b853b71d774bf3834614c1054991bc9be3a2ff762d

    • 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