General

  • Target

    astra - 1.0.1.exe

  • Size

    1.8MB

  • Sample

    241027-ynfafsypfr

  • MD5

    a2541b3b3964846cc10d5e6d6b47596d

  • SHA1

    db5307fb900cdcaaf61dda25171a635c4c17822b

  • SHA256

    f1b27ee139e88001e5932fda0abf9f305b780da2c8b22536efc107dbfb17e523

  • SHA512

    e305f78cc6f25c60f18f0fd84336d247ea329e01d8288ba791d74adb375291614e2f8db9e3e74363a419e06f2ebbf1e209d61329a4c1df69afea0bb79a036378

  • SSDEEP

    49152:mciCu12nlG36D4HHQ2VMeEHBefw9feg8:s93CAQq4UYs

Malware Config

Targets

    • Target

      astra - 1.0.1.exe

    • Size

      1.8MB

    • MD5

      a2541b3b3964846cc10d5e6d6b47596d

    • SHA1

      db5307fb900cdcaaf61dda25171a635c4c17822b

    • SHA256

      f1b27ee139e88001e5932fda0abf9f305b780da2c8b22536efc107dbfb17e523

    • SHA512

      e305f78cc6f25c60f18f0fd84336d247ea329e01d8288ba791d74adb375291614e2f8db9e3e74363a419e06f2ebbf1e209d61329a4c1df69afea0bb79a036378

    • SSDEEP

      49152:mciCu12nlG36D4HHQ2VMeEHBefw9feg8:s93CAQq4UYs

    • Looks for VirtualBox Guest Additions in registry

    • Downloads MZ/PE file

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Detected potential entity reuse from brand STEAM.

MITRE ATT&CK Enterprise v15

Tasks