General

  • Target

    TLauncher-2.876-Installer-1.0.7-global.exe

  • Size

    22MB

  • Sample

    230324-d6g7jsea5v

  • MD5

    e89a95bce6075955a4e1acdb6bb56561

  • SHA1

    8b17013cbf2ea69d625d7bcb1e578933c13678fc

  • SHA256

    78d84068b47cf28b76c88ba4474c7c187510f4e4e967d079d3761dcab7851655

  • SHA512

    4ccb33f60c9292e12daa53b49524a36bbe1c1ca86d794b5134b8b954736a532e9f202123b39036c6a9c557e128bd8361e5c1cb86d40723cc00784026741d5e65

  • SSDEEP

    393216:DXkoYB+UAVl/Pfs/dQETVlOBbpFEjdGphRqV56HpkvQFa2Vj4h2cU:D0oYB+3fHHExi73qqHpU2Vj4hE

Malware Config

Targets

    • Target

      TLauncher-2.876-Installer-1.0.7-global.exe

    • Size

      22MB

    • MD5

      e89a95bce6075955a4e1acdb6bb56561

    • SHA1

      8b17013cbf2ea69d625d7bcb1e578933c13678fc

    • SHA256

      78d84068b47cf28b76c88ba4474c7c187510f4e4e967d079d3761dcab7851655

    • SHA512

      4ccb33f60c9292e12daa53b49524a36bbe1c1ca86d794b5134b8b954736a532e9f202123b39036c6a9c557e128bd8361e5c1cb86d40723cc00784026741d5e65

    • SSDEEP

      393216:DXkoYB+UAVl/Pfs/dQETVlOBbpFEjdGphRqV56HpkvQFa2Vj4h2cU:D0oYB+3fHHExi73qqHpU2Vj4hE

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Registers COM server for autorun

    • UPX packed file

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

    • 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 Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

3
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks