General

  • Target

    21ce422164fd4587da58e19dae615ad3ccd8bb895e8c7bd4354b4262de3d8167

  • Size

    215KB

  • Sample

    220612-ndzagahddm

  • MD5

    9d80f82158b4355f87ca968a54492ad5

  • SHA1

    f7348be7badc8eaac931c3ee697ef8bb558d554e

  • SHA256

    21ce422164fd4587da58e19dae615ad3ccd8bb895e8c7bd4354b4262de3d8167

  • SHA512

    2a1156d21c6ac8e551e407a861b8a1b40427246860867d6b6a64f8d68c1b93f8f870758749a1879a42019166c5d50d50120d7e4a0a7bc96f35eef23580ccd605

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      21ce422164fd4587da58e19dae615ad3ccd8bb895e8c7bd4354b4262de3d8167

    • Size

      215KB

    • MD5

      9d80f82158b4355f87ca968a54492ad5

    • SHA1

      f7348be7badc8eaac931c3ee697ef8bb558d554e

    • SHA256

      21ce422164fd4587da58e19dae615ad3ccd8bb895e8c7bd4354b4262de3d8167

    • SHA512

      2a1156d21c6ac8e551e407a861b8a1b40427246860867d6b6a64f8d68c1b93f8f870758749a1879a42019166c5d50d50120d7e4a0a7bc96f35eef23580ccd605

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • 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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks