General

  • Target

    4b9d898379e5dd1d260c1706aa04aa8270994835a523bb83695062d92c830311.exe

  • Size

    70KB

  • Sample

    240402-bjasvacc2v

  • MD5

    109adf5a32829b151d536e30a81ee96b

  • SHA1

    dc23006a97e7d5bc34eedec563432e63ed6a226a

  • SHA256

    4b9d898379e5dd1d260c1706aa04aa8270994835a523bb83695062d92c830311

  • SHA512

    74e7fb13e195dcf6b8ed0f40c034925c3762b2e0c43c8faede99ce79a4b07966ff5336769db3f9f5bb4c0478cefc879d59b43d5ded5bda3e75d19bd0a1e9e9e5

  • SSDEEP

    1536:QeYZA06UMG73jWw9o5zeS6LQR9bAayaIMbckM6mfOWcNFOfab:QfZxfMGTFXS6LQR9bAaZbfsfOPMab

Malware Config

Extracted

Family

xworm

C2

involved-hurt.gl.at.ply.gg:35238

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    WindowsHealthSystem.exe

Targets

    • Target

      4b9d898379e5dd1d260c1706aa04aa8270994835a523bb83695062d92c830311.exe

    • Size

      70KB

    • MD5

      109adf5a32829b151d536e30a81ee96b

    • SHA1

      dc23006a97e7d5bc34eedec563432e63ed6a226a

    • SHA256

      4b9d898379e5dd1d260c1706aa04aa8270994835a523bb83695062d92c830311

    • SHA512

      74e7fb13e195dcf6b8ed0f40c034925c3762b2e0c43c8faede99ce79a4b07966ff5336769db3f9f5bb4c0478cefc879d59b43d5ded5bda3e75d19bd0a1e9e9e5

    • SSDEEP

      1536:QeYZA06UMG73jWw9o5zeS6LQR9bAayaIMbckM6mfOWcNFOfab:QfZxfMGTFXS6LQR9bAaZbfsfOPMab

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Detects Windows executables referencing non-Windows User-Agents

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks