Extracted

• • Target

    3ec5f327d8d4a765154dc512433b053a9330e8781ab885ae07f3cca9cedd9b9e.exe

  • Size

    826KB

  • MD5

    75b31d50107c3330124f404fcd8b1f19

  • SHA1

    487052b88bfc2ae112d3ec6a6e3becdbd5855011

  • SHA256

    3ec5f327d8d4a765154dc512433b053a9330e8781ab885ae07f3cca9cedd9b9e

  • SHA512

    b94c40fab844f9c1c320446b0455af42b64234fd31a610a5ce6f0cddc5b70471ac2d7490070dec2e945c4830230f8c0f4b44dedb5cf68ed86937457aa3bdb145

  • SSDEEP

    24576:Im6Pq25dBZggMxhYtbVRCVo1Y1FWenSzLBbLl3S:I+4dBSggWVYVkyWZLc

  Score

  10^/10

  xwormdiscoveryexecutionrattrojanbootkitdefense_evasionpersistence

  • Detect Xworm Payload

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Xworm family

    xworm

  • Command and Scripting Interpreter: PowerShell

    Run Powershell and hide display window.

    execution

  • 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

  • Loads dropped DLL

  • 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