General

  • Target

    01503a8ee5ff95569f11df7733f8c63dfd067df3317c9ec106e48d6ef0d2ecf5

  • Size

    184KB

  • Sample

    220612-1menmsggaq

  • MD5

    3344904ba4264bd6ac91070fcd2de3cb

  • SHA1

    30361f4b7659bc0cde2bcbede801b8152f178fc3

  • SHA256

    01503a8ee5ff95569f11df7733f8c63dfd067df3317c9ec106e48d6ef0d2ecf5

  • SHA512

    c503cba4ecda4ba1faf74b212d376c03eac842595b17799c826e48824cb9977bde541d29a1e75c885e2c758facf15ed78b6d49f6585ab5a2d927aa4038a718fb

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      01503a8ee5ff95569f11df7733f8c63dfd067df3317c9ec106e48d6ef0d2ecf5

    • Size

      184KB

    • MD5

      3344904ba4264bd6ac91070fcd2de3cb

    • SHA1

      30361f4b7659bc0cde2bcbede801b8152f178fc3

    • SHA256

      01503a8ee5ff95569f11df7733f8c63dfd067df3317c9ec106e48d6ef0d2ecf5

    • SHA512

      c503cba4ecda4ba1faf74b212d376c03eac842595b17799c826e48824cb9977bde541d29a1e75c885e2c758facf15ed78b6d49f6585ab5a2d927aa4038a718fb

    • 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