Extracted

• • Target
    2026-04-03_993d9279d102b31bc792e6f5e27d93fe_asyncrat_cobalt-strike_elex_glassworm_icedid_vidar_xworm
  • Size 229KB
  • SHA256 1c883961efcc82bd3b7b52abd69f51a91d20f245bc487c3d88eeae3a512722ea
  • MD5 993d9279d102b31bc792e6f5e27d93fe
  • SHA1 2c54283a160eac2590dd3802de7450e65c0d1ac5
  • SHA512 2041aca90d6b4053beb02761bcee5bf9b467e5bcaed2d5d4fd88abfb09a9cc3bd45fca14312769bf6a2ce67cfad6f500f9a8b7c5faaf00a2c2fb5c55e02d696d
  • SSDEEP 3072:9l4FE9RWOqOGLD8KbgVtn8Mo8G1gVziHzZbIK1YKB/pCAcNqXhwBV3yxSQig8xNo:90E9O/5bTgVziHzZnSKrCbYMJFbh8Lq
  • TLSH
    T1C6344A66F6A000FBD4BA42358D636B02B7B2F03617219BEF1B94495D7F637E04D29B90
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  10^/10

  bootkitdefense_evasionexecutionxwormpersistencerattrojan

  • Detect Xworm Payload

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Xworm family

    xworm
  • Custom signature

    Detects Windows executables referencing non-Windows User-Agents

  • 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