General

  • Target

    Opdxdyeul.exe

  • Size

    894KB

  • Sample

    241218-mg376awnal

  • MD5

    cee58644e824d57927fe73be837b1418

  • SHA1

    698d1a11ab58852be004fd4668a6f25371621976

  • SHA256

    4235c78ffaf12c4e584666da54cfc5dc56412235f5a2d313dcac07d1314dd52e

  • SHA512

    ab9e9083ed107b5600f802ec66dab71f1064377749b6c874f8ce6e9ce5b2718a1dc45372b883943a8eae99378d1151ce15983d4c9be67d559cd72b28b9f55fb5

  • SSDEEP

    12288:etFDEnlFaqLcsjwwdbriOXrWh+7SmCHK4A04KJeYtS1dFXuehyFJ97wQjGuNafNJ:6q9ctmHiCpd4FJe0oeehyjPiuNv/L

Malware Config

Extracted

Family

systembc

C2

claywyaeropumps.com

178.132.2.10

Attributes
  • dns

    5.132.191.104

Targets

    • Target

      Opdxdyeul.exe

    • Size

      894KB

    • MD5

      cee58644e824d57927fe73be837b1418

    • SHA1

      698d1a11ab58852be004fd4668a6f25371621976

    • SHA256

      4235c78ffaf12c4e584666da54cfc5dc56412235f5a2d313dcac07d1314dd52e

    • SHA512

      ab9e9083ed107b5600f802ec66dab71f1064377749b6c874f8ce6e9ce5b2718a1dc45372b883943a8eae99378d1151ce15983d4c9be67d559cd72b28b9f55fb5

    • SSDEEP

      12288:etFDEnlFaqLcsjwwdbriOXrWh+7SmCHK4A04KJeYtS1dFXuehyFJ97wQjGuNafNJ:6q9ctmHiCpd4FJe0oeehyjPiuNv/L

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • Systembc family

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks