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General

  • Target

    BootstrapperV1.21.exe

  • Size

    797KB

  • Sample

    241005-yz99za1fjl

  • MD5

    c5dfc6db9d57d21fc1fd18afff38cab0

  • SHA1

    2c0ad08b90c699539702899db5860c1e1e1a8d80

  • SHA256

    163c5a7bdc1038959e103011dcf454bc009c5b0c0ad3cac60bbb4f2a4a19444f

  • SHA512

    0369f636cc83d5841549a06ed1ca06b74859a26ef7ebc35ed9f26c281682e10804fcdaf3dfc47049b4aea01694cc11014d2e2c6435b0abc757a5472c548dd68e

  • SSDEEP

    12288:igEx9nCvJ4f05oOGoGH/j0MNVcfzJXcBPXBNr8L:ZY9CvzoVoGH/j0ucrJXO

Score
8/10

Malware Config

Targets

    • Target

      BootstrapperV1.21.exe

    • Size

      797KB

    • MD5

      c5dfc6db9d57d21fc1fd18afff38cab0

    • SHA1

      2c0ad08b90c699539702899db5860c1e1e1a8d80

    • SHA256

      163c5a7bdc1038959e103011dcf454bc009c5b0c0ad3cac60bbb4f2a4a19444f

    • SHA512

      0369f636cc83d5841549a06ed1ca06b74859a26ef7ebc35ed9f26c281682e10804fcdaf3dfc47049b4aea01694cc11014d2e2c6435b0abc757a5472c548dd68e

    • SSDEEP

      12288:igEx9nCvJ4f05oOGoGH/j0MNVcfzJXcBPXBNr8L:ZY9CvzoVoGH/j0ucrJXO

    Score
    8/10
    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • 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

MITRE ATT&CK Enterprise v15

Tasks