General

  • Target

    jre-8u411-windows-x64.exe

  • Size

    65.6MB

  • Sample

    240528-s59mqsaf7s

  • MD5

    fcb1d3f10bab0d68cb50fe8dbce9dbe7

  • SHA1

    aca74f1767843cbe1dbd7a5310409acc9c1d68f5

  • SHA256

    2b15f9988d849c591fc1639f2ba9e8005e5b32635ee2922d0a56482b81561605

  • SHA512

    fbf86258807e95ea42877c398f5ba4e4f1a3b4c8412be705915b119dac8a01984b056fa9afbec776164b5668d1f474de6419bb9f2122e41cdaf74da82e466de5

  • SSDEEP

    1572864:NvwSp4mZ2n1JYWV+UpIcJ+r4zNio0KB80O8M6nM:NoSY3YUpxJ+r4z0CBbO8M6nM

Malware Config

Targets

    • Target

      jre-8u411-windows-x64.exe

    • Size

      65.6MB

    • MD5

      fcb1d3f10bab0d68cb50fe8dbce9dbe7

    • SHA1

      aca74f1767843cbe1dbd7a5310409acc9c1d68f5

    • SHA256

      2b15f9988d849c591fc1639f2ba9e8005e5b32635ee2922d0a56482b81561605

    • SHA512

      fbf86258807e95ea42877c398f5ba4e4f1a3b4c8412be705915b119dac8a01984b056fa9afbec776164b5668d1f474de6419bb9f2122e41cdaf74da82e466de5

    • SSDEEP

      1572864:NvwSp4mZ2n1JYWV+UpIcJ+r4zNio0KB80O8M6nM:NoSY3YUpxJ+r4z0CBbO8M6nM

    • Modifies file permissions

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Checks computer location settings

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks