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General

  • Target

    Bootstrapper.exe

  • Size

    930KB

  • Sample

    240802-tgvz4svfpg

  • MD5

    c9a401d6c0e482b97b31f69eef1d2d3a

  • SHA1

    1f3e86ad2606f45aa3318e289c4ec526e791c5c8

  • SHA256

    3eaae78d0fc85977b5b255dd9c94ad684049ef8f927205202ec264f0eb8538f4

  • SHA512

    75a57e1dd045189aadd8234540747dcaa841d1c7368e6bd05d3e6f512fa24138ed7ff55048d2a2bf71364f31e9ce86a518347eb135017ea9bfca6350c1425380

  • SSDEEP

    24576:PFOa2a98hIBdjSoeQDj/VNpZdZIznBpgh:tCoeQDjdNpZv

Malware Config

Targets

    • Target

      Bootstrapper.exe

    • Size

      930KB

    • MD5

      c9a401d6c0e482b97b31f69eef1d2d3a

    • SHA1

      1f3e86ad2606f45aa3318e289c4ec526e791c5c8

    • SHA256

      3eaae78d0fc85977b5b255dd9c94ad684049ef8f927205202ec264f0eb8538f4

    • SHA512

      75a57e1dd045189aadd8234540747dcaa841d1c7368e6bd05d3e6f512fa24138ed7ff55048d2a2bf71364f31e9ce86a518347eb135017ea9bfca6350c1425380

    • SSDEEP

      24576:PFOa2a98hIBdjSoeQDj/VNpZdZIznBpgh:tCoeQDjdNpZv

    • Modifies visiblity of hidden/system files in Explorer

    • 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

    • Blocklisted process makes network request

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks