Extracted

• • Target

    XClient.bat

  • Size

    336KB

  • MD5

    5fcc047b04b088650ffab33ab0d3a991

  • SHA1

    310de3660d360e55e02aeabc2bb96fe1a00fbeb1

  • SHA256

    227dbbb256d5236819196deda5707bc6abd1df5ba9a483edf82443ad12f26930

  • SHA512

    5bc2803bb1fbcd18b33f7c23120fa144cb29c07376c40622f20d69386932bbf82e8160ec7ec11c781a0624a875ee198369c7b2cf8b2464986054d7c5d94c4cf4

  • SSDEEP

    6144:gv9QxBt25x/5bTgVziHzZnSKrCbYM+2ba8Mq:NxBt8/5/gVziHlBrCbYP85

  Score

  10^/10

  xwormdefense_evasiondiscoveryexecutionrattrojanbootkitpersistence

  • Detect Xworm Payload

  • Modifies security service

    defense_evasion

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Xworm family

    xworm

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Checks computer location settings

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

  • Drops startup file

  • Executes dropped EXE

  • Indicator Removal: Clear Windows Event Logs

    Clear Windows Event Logs to hide the activity of an intrusion.

    defense_evasion

  • Loads dropped DLL

  • Adds Run key to start application

    persistence

  • Enumerates connected drives

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

  • Legitimate hosting services abused for malware hosting/C2

  • Writes to the Master Boot Record (MBR)

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence

  • Drops file in System32 directory

  behavioral1behavioral2