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General

  • Target

    96baba74a907890b995f23c7db21568f7bfb5dbf417ed90ca311482b99702b72

  • Size

    71KB

  • Sample

    221220-rpjwpsda6v

  • MD5

    92e466525e810b79ae23eac344a52027

  • SHA1

    911584e1b90847e96e2c4434cefa16bd9e9dff70

  • SHA256

    96baba74a907890b995f23c7db21568f7bfb5dbf417ed90ca311482b99702b72

  • SHA512

    d914c3f428bb4a830fa92c1098206618d3ba2caf8fc2586b33270f9a2f96a0271763b53fb12965901c5eb84602c4cdfb718a14c699f15f1e0c9ed7d1e64ba208

  • SSDEEP

    1536:6k6s21VCn63TxSYWz+XTjFWL9ydpIcUc:6PVCnQxSYO+XF3pIH

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      96baba74a907890b995f23c7db21568f7bfb5dbf417ed90ca311482b99702b72

    • Size

      71KB

    • MD5

      92e466525e810b79ae23eac344a52027

    • SHA1

      911584e1b90847e96e2c4434cefa16bd9e9dff70

    • SHA256

      96baba74a907890b995f23c7db21568f7bfb5dbf417ed90ca311482b99702b72

    • SHA512

      d914c3f428bb4a830fa92c1098206618d3ba2caf8fc2586b33270f9a2f96a0271763b53fb12965901c5eb84602c4cdfb718a14c699f15f1e0c9ed7d1e64ba208

    • SSDEEP

      1536:6k6s21VCn63TxSYWz+XTjFWL9ydpIcUc:6PVCnQxSYO+XF3pIH

    • 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

    • Checks computer location settings

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

    • Deletes itself

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks