General

  • Target

    XClient.exe

  • Size

    40KB

  • Sample

    241121-wr81tsvjfy

  • MD5

    7e7f6795ff9edf1d1f314f9a7a49ecac

  • SHA1

    77958bccf22102130668b3171c69da0dc3db5567

  • SHA256

    7c9045364d79647a9d12a9ccc5cd2cbc0d59d8373a7bc1fd87f191e810aab1ae

  • SHA512

    a1b178716c6a44048c1b8b9147485e173667128ec24270c637047d39bdef307c697f0e26d9d71a79fd3a82673609e0a577a5aabcbae52e0880acb0b5d8c7e4f3

  • SSDEEP

    768:IIDwCrxY4mpc9i32v6hCuuJf27ZZfFWPG9/F6OOwhljGbc:BDwCFY4gckGwCuuJfKFv9/F6OOwrCA

Malware Config

Extracted

Family

xworm

Version

5.0

C2

10.9.248.138:37097

Mutex

O6peEuDxeCK4Kr8u

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    MicrosoftDefender.exe

aes.plain

Targets

    • Target

      XClient.exe

    • Size

      40KB

    • MD5

      7e7f6795ff9edf1d1f314f9a7a49ecac

    • SHA1

      77958bccf22102130668b3171c69da0dc3db5567

    • SHA256

      7c9045364d79647a9d12a9ccc5cd2cbc0d59d8373a7bc1fd87f191e810aab1ae

    • SHA512

      a1b178716c6a44048c1b8b9147485e173667128ec24270c637047d39bdef307c697f0e26d9d71a79fd3a82673609e0a577a5aabcbae52e0880acb0b5d8c7e4f3

    • SSDEEP

      768:IIDwCrxY4mpc9i32v6hCuuJf27ZZfFWPG9/F6OOwhljGbc:BDwCFY4gckGwCuuJfKFv9/F6OOwrCA

    • 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.

    • A potential corporate email address has been identified in the URL: [email protected]

    • 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