Resubmissions

17/04/2024, 11:59

240417-n55assfe7110

17/04/2024, 11:59

240417-n5yg9afe7x10

17/04/2024, 11:59

240417-n5rdyaea3610

17/04/2024, 11:59

240417-n5qseaea3510

17/04/2024, 11:59

240417-n5p6wafe6y10

17/04/2024, 06:14

240417-gzcv2aff7510

General

  • Target
    426bc8bac5cb97b5340b0f347cc70024fb5cc64041149ad923c815aedaf17a7a
  • Size 7.8MB
  • Sample240417-gzcv2aff75
  • SHA256 426bc8bac5cb97b5340b0f347cc70024fb5cc64041149ad923c815aedaf17a7a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • bitrat

Version
  • 1.38

C2
  • sef7qgz77oamhl5gimls62lekmig5ormf6dcgftblhaxt2cn7emkbuid.onion:80

Attributes
  • communication_password

    81dc9bdb52d04dc20036dbd8313ed055

  • install_dir

    appdata

  • install_file

    HealthCheck.exe

  • tor_process

    WebDebugger

Targets

    • Target
      426bc8bac5cb97b5340b0f347cc70024fb5cc64041149ad923c815aedaf17a7a
    • Size 7.8MB
    • SHA256 426bc8bac5cb97b5340b0f347cc70024fb5cc64041149ad923c815aedaf17a7a
    • MD5 SHA1 SHA512 SSDEEP
    • BitRAT

      BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Unexpected DNS network traffic destination

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

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks