General

  • Target

    b399f5d239807fe144ad8872b4111002ebc6bb79ea6faa417db37f5ff95100ee.exe

  • Size

    504KB

  • Sample

    241203-ddf4saslhk

  • MD5

    dd81e5afcd1a13eee9f9a28c6cde2a56

  • SHA1

    cf99a76fc406ffd81c62fbf07bd65c80eeae293f

  • SHA256

    b399f5d239807fe144ad8872b4111002ebc6bb79ea6faa417db37f5ff95100ee

  • SHA512

    b63633f877d4436bcd549a5bd79566d7d3eed7d3429ad44580b6f295caab9e44f562f45855cad6dff60ab5fbadc89c97289c31aac3b45e7f1df0476e610004be

  • SSDEEP

    12288:uNIRt11XXjNZgYjirxY1dZqAi081zY5usx+XtJ:uNIp1XXjNIrq1S02zYx

Malware Config

Extracted

Family

xworm

C2

104.250.180.178:7061

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Targets

    • Target

      b399f5d239807fe144ad8872b4111002ebc6bb79ea6faa417db37f5ff95100ee.exe

    • Size

      504KB

    • MD5

      dd81e5afcd1a13eee9f9a28c6cde2a56

    • SHA1

      cf99a76fc406ffd81c62fbf07bd65c80eeae293f

    • SHA256

      b399f5d239807fe144ad8872b4111002ebc6bb79ea6faa417db37f5ff95100ee

    • SHA512

      b63633f877d4436bcd549a5bd79566d7d3eed7d3429ad44580b6f295caab9e44f562f45855cad6dff60ab5fbadc89c97289c31aac3b45e7f1df0476e610004be

    • SSDEEP

      12288:uNIRt11XXjNZgYjirxY1dZqAi081zY5usx+XtJ:uNIp1XXjNIrq1S02zYx

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks