General

  • Target
    utorrent_installer.exe
  • Size 3.7MB
  • Sample260821-xeszhsch93
  • SHA256 e2837e13d80e4602b0c2d711c6d6c17217f4a80c8ff0b33dd90df219f025f3b7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      utorrent_installer.exe
    • Size 3.7MB
    • SHA256 e2837e13d80e4602b0c2d711c6d6c17217f4a80c8ff0b33dd90df219f025f3b7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • UPX packed file

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

    • Target
      $PLUGINSDIR/INetC.dll
    • Size 24KB
    • SHA256 c1e568e25ec111184deb1b87cfda4bfec529b1abeab39b66539d998012f33502
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/nsDialogs.dll
    • Size 9KB
    • SHA256 56b96add1978b1abba286f7f8982b0efbe007d4a48b3ded6a4d408e01d753fe2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/nsisFirewall.dll
    • Size 8KB
    • SHA256 53be5716ad80945cb99681d5dbda60492f5dfb206fbfdb776b769b3eeb18d2c2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/utorrent.exe
    • Size 3.5MB
    • SHA256 285127f8530fcdb0166cf37c97e60a13ecff7d57d3f0066e7cec0e89188e9ae2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • 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.

    • Checks whether UAC is enabled

    • Network Share Discovery

      Attempt to gather information on host network.

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks