Extracted

• • Target

    XClient14.exe

  • Size

    502KB

  • MD5

    f7e295893a193fa5c78b7fc877b0ac33

  • SHA1

    97e368f7de2eed66cd5bcd015e414f1f74168fd5

  • SHA256

    2e7a5721bdc47385d6ffea5ad7dee1ea7698df11cd54f704df24b8fcfde5d312

  • SHA512

    2d20b86f08aadf594ba126ec6d296f7be4ad60daa6e2872705e746f93b481e1e6cf42d3097f24157b615f73926bbe70cdf85e7bb808e6dff2a17288056482e11

  • SSDEEP

    12288:z3DTkV1ilKya0FOUuQ0gH+kmtbF6W05EJXp107sd:TkGTy

  Score

  10^/10

  xwormdefense_evasiondiscoveryexecutionrattrojanbootkitpersistence

  • Detect Xworm Payload

  • Modifies security service

    defense_evasion

  • Suspicious use of NtCreateProcessExOtherParentProcess

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Xworm family

    xworm

  • Sets service image path in registry

    persistence

  • Checks BIOS information in registry

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings

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

  • Executes dropped EXE

  • Indicator Removal: Clear Windows Event Logs

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

    defense_evasion

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • 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.

  • 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

  • Suspicious use of SetThreadContext

  behavioral1behavioral2