General

  • Target

    Xbox.exe

  • Size

    19.0MB

  • Sample

    240801-zmy7lszhkd

  • MD5

    30880523d777f4fe75ca515c0d6df32b

  • SHA1

    73629571c0c7f6bfae8422ff44d79b48e2e13d1f

  • SHA256

    7022aee75dbf84ea8b3050fcee637f6f87232dfab7cb7cbd5f5a2062d749c07c

  • SHA512

    1276a39236434cb7fc4903f2b75f1f6dceb1522aba70ff2babf70bae7088caeb5463f6f405e8bac51f2b1378c12291828dfa0978aaf009821cf87385d9824f81

  • SSDEEP

    196608:Yb61gbgwY5kuaC4FaXtBrlOMOpnLo213diio7eLi4iUK+cTwfnrUzhjzO5quL971:Yo487OsOcTwfOa5L93edRaF/

Malware Config

Extracted

Family

xworm

C2

expected-schema.gl.at.ply.gg:2980

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Targets

    • Target

      Xbox.exe

    • Size

      19.0MB

    • MD5

      30880523d777f4fe75ca515c0d6df32b

    • SHA1

      73629571c0c7f6bfae8422ff44d79b48e2e13d1f

    • SHA256

      7022aee75dbf84ea8b3050fcee637f6f87232dfab7cb7cbd5f5a2062d749c07c

    • SHA512

      1276a39236434cb7fc4903f2b75f1f6dceb1522aba70ff2babf70bae7088caeb5463f6f405e8bac51f2b1378c12291828dfa0978aaf009821cf87385d9824f81

    • SSDEEP

      196608:Yb61gbgwY5kuaC4FaXtBrlOMOpnLo213diio7eLi4iUK+cTwfnrUzhjzO5quL971:Yo487OsOcTwfOa5L93edRaF/

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

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

    • Creates new service(s)

    • Stops running service(s)

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

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

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks