Extracted

• • Target
    XClient.exe
  • Size 30KB
  • SHA256 2679ba00661179c6c8a4911ca29fdec0c4177a125d453b0ee650918eebcf4183
  • MD5 5814044ccee03a78134603514a0e9ec3
  • SHA1 740022b5536ef9fb3d8c8baf4899cee22590e4bc
  • SHA512 2918e9f57b53a235d5067d48a8bba511cb308381c8e8fd9fc74ea698308396013007eb54ab28306a86b279f10038b99b71d6f6a4ec121a9b4415182e187a8044
  • SSDEEP 384:L7wTA+5OfhxeelKn4MPLZhspJCXlYECwaipXQs5RugtFuBLTIOZw/WVwvn9IkVu6:LFx7s4EQw1YETDpAs5BFR9ReOqhfbw
  • TLSH
    T158D24B087BE58327D9EF2FF229B291010275D917D923DF5E5CD895AB6F67A8043003E6
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  10^/10

  bootkitdefense_evasiondiscoveryexecutionxwormpersistencerattrojan

  • Detect Xworm Payload

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Boot or Logon Autostart Execution: Active Setup

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence

  • Disables Task Manager via registry modification

    defense_evasion

  • Checks computer location settings

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

  • Executes dropped EXE

  • Adds Run key to start application

    persistence

  • Contacts third-party web service commonly abused for C2

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • 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.

    discovery

  • Writes to the Master Boot Record (MBR)

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

    bootkitpersistence
  behavioral1behavioral2