General

  • Target

    2866700e111c6960055421edcb533beb33a07fe0309957f199a859a95498ebe9

  • Size

    309KB

  • Sample

    240526-ysn36aab9w

  • MD5

    3c1ae39c416d64729380aac114979c80

  • SHA1

    bc558f5162a16843954e2c82c204fe8755f7d90d

  • SHA256

    2866700e111c6960055421edcb533beb33a07fe0309957f199a859a95498ebe9

  • SHA512

    15397ba84c91da2e1e8e4b56c07faac38ff7e6d93cb230bd9347b1c1dabfe65d5f986a2929b00f38ad1672d42951b297ed4c32f6708ec0fff7e4c0fe038fd6bd

  • SSDEEP

    6144:BDGA7a9G+GIIIIIIIhIIIIIIIIIIIIIIIU:JGL

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:1820

182.176.170.74:1820

Mutex

Gx1yTHIG7gZFF5ch

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

aes.plain

Targets

    • Target

      2866700e111c6960055421edcb533beb33a07fe0309957f199a859a95498ebe9

    • Size

      309KB

    • MD5

      3c1ae39c416d64729380aac114979c80

    • SHA1

      bc558f5162a16843954e2c82c204fe8755f7d90d

    • SHA256

      2866700e111c6960055421edcb533beb33a07fe0309957f199a859a95498ebe9

    • SHA512

      15397ba84c91da2e1e8e4b56c07faac38ff7e6d93cb230bd9347b1c1dabfe65d5f986a2929b00f38ad1672d42951b297ed4c32f6708ec0fff7e4c0fe038fd6bd

    • SSDEEP

      6144:BDGA7a9G+GIIIIIIIhIIIIIIIIIIIIIIIU:JGL

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Detects Windows executables referencing non-Windows User-Agents

    • 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

    • Executes dropped EXE

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks