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General

  • Target

    file

  • Size

    314KB

  • Sample

    230208-qt3zpsae4s

  • MD5

    01a3c4df7bcd2d3a71c4509c3fd0b2a9

  • SHA1

    36970dee1e367f341debb313d9182ea6ab9fcfe1

  • SHA256

    14a7c5a5c66dc73b5a170f2f43fba2e97c0139fe1456ec56fb5857eb673d973d

  • SHA512

    3f4a6f1c8b0c8ec5d2de60133ddbf7852bb342cf78172bc178b4ea2a0d68f4da808fb7e1e92155212a86589c602f514b34ab19a459c6bc58a5a3e4a12c67848a

  • SSDEEP

    3072:kwUAV7D+B71hJdONp0FX+sKucBOjEtnF5/ESBmO7ARLStKRxhUwscNr:kFA98zTypEOlVwEvESoRgtKBDr

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      file

    • Size

      314KB

    • MD5

      01a3c4df7bcd2d3a71c4509c3fd0b2a9

    • SHA1

      36970dee1e367f341debb313d9182ea6ab9fcfe1

    • SHA256

      14a7c5a5c66dc73b5a170f2f43fba2e97c0139fe1456ec56fb5857eb673d973d

    • SHA512

      3f4a6f1c8b0c8ec5d2de60133ddbf7852bb342cf78172bc178b4ea2a0d68f4da808fb7e1e92155212a86589c602f514b34ab19a459c6bc58a5a3e4a12c67848a

    • SSDEEP

      3072:kwUAV7D+B71hJdONp0FX+sKucBOjEtnF5/ESBmO7ARLStKRxhUwscNr:kFA98zTypEOlVwEvESoRgtKBDr

    • 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)

    • 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

    • Executes dropped EXE

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks