General

  • Target

    TLauncher-2.879-Installer-1.1.0.exe

  • Size

    22.6MB

  • Sample

    230421-v2569aah9t

  • MD5

    601b94e3b018e39e0da90881fe89156d

  • SHA1

    dc5340d6e1cb98c6ae2fa6882a4c7284e990705b

  • SHA256

    845b0953c143daf9382b38c8ac7faeef62d5298bb0191f1be60865f78a942bac

  • SHA512

    493c283aa3e201501843e59d593d82b3c98d2628639c95c977c9f22c268d89f7b072907d7b5d244fb7f122348277a97f7d68ce0ebdb36d7fc479c5f3c5bd33db

  • SSDEEP

    393216:+Xj4yibrRbGPfs/dQETVlOBbpFEjdGphRqV56Hpkf+V4scTKAjENq+:+zCrRsHExi73qqHpg+Vvc+AmX

Malware Config

Targets

    • Target

      TLauncher-2.879-Installer-1.1.0.exe

    • Size

      22.6MB

    • MD5

      601b94e3b018e39e0da90881fe89156d

    • SHA1

      dc5340d6e1cb98c6ae2fa6882a4c7284e990705b

    • SHA256

      845b0953c143daf9382b38c8ac7faeef62d5298bb0191f1be60865f78a942bac

    • SHA512

      493c283aa3e201501843e59d593d82b3c98d2628639c95c977c9f22c268d89f7b072907d7b5d244fb7f122348277a97f7d68ce0ebdb36d7fc479c5f3c5bd33db

    • SSDEEP

      393216:+Xj4yibrRbGPfs/dQETVlOBbpFEjdGphRqV56Hpkf+V4scTKAjENq+:+zCrRsHExi73qqHpg+Vvc+AmX

    • BazarBackdoor

      Stealthy backdoor targeting corporate networks, believed to be developed by Trickbot's authors.

    • Bazar/Team9 Backdoor payload

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers COM server for autorun

    • UPX packed file

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

    • 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.

    • 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.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks