Extracted

• • Target
    23.exe
  • Size 231KB
  • SHA256 a6b094f9c1be8409f686ea2dd3570332dfce0baa0c79025d9ed23aaf2dd06637
  • MD5 ab5d8b184ffe6a04f1d1ae4fe9fc9991
  • SHA1 320f777ffde0328467d7638bcca1a6951246eaf7
  • SHA512 6ad726c5df74be17d206e80527d28dee0c9bc45042a353f8846cd2bf91c66c436f6fdf5126e2d7a6851129771441387f5476f4ff5c8e44a1d7dc330d38aca8a3
  • SSDEEP 3072:Hd9K4jFE9jTOjUILD8KbgVtn8Mo8G1gVziHzZbIK1YKB/pCAcNqXhwBV3yxSQigj:HrE9Q/5bTgVziHzZnSKrCbYME4b/8tq
  • TLSH
    T109343A66F6A000F6D4BA82758D636B02B7B2F0361721DBEF0B94495D7F637E04D29B90
  • 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

  • Sets service image path in registry

    This determines the executable launched when a service starts. It can be used to establish persistence.

    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

  • Enumerates connected drives

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

  • 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