General

  • Target

    b465169b4bf6f1e081701bca58058a60401acf2915b1b286fdaaa81cc77ada7c

  • Size

    199KB

  • Sample

    220604-ta325sdgc5

  • MD5

    14987e8df1d6ff97c7b973bb38a71109

  • SHA1

    cace96f68af77c85624f9d193636cf3a748134d5

  • SHA256

    b465169b4bf6f1e081701bca58058a60401acf2915b1b286fdaaa81cc77ada7c

  • SHA512

    58fa2a35d41c34be6d61af4318206c8217c9ed3fcbdd02bddcace39688285d96cb1408abffc32ac18c6c866701d05da0dc88c2610811d6b3cea408aa3c08f021

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      b465169b4bf6f1e081701bca58058a60401acf2915b1b286fdaaa81cc77ada7c

    • Size

      199KB

    • MD5

      14987e8df1d6ff97c7b973bb38a71109

    • SHA1

      cace96f68af77c85624f9d193636cf3a748134d5

    • SHA256

      b465169b4bf6f1e081701bca58058a60401acf2915b1b286fdaaa81cc77ada7c

    • SHA512

      58fa2a35d41c34be6d61af4318206c8217c9ed3fcbdd02bddcace39688285d96cb1408abffc32ac18c6c866701d05da0dc88c2610811d6b3cea408aa3c08f021

    • 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