Overview

overview

10

Static

static

3

2026-04-28...ar.exe

windows10-2004-x64

10

2026-04-28...ar.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    2026-04-28_b6e8bd0168d5e7bde24198387aac8cbb_amadey_cobalt-strike_icedid_luca-stealer_njrat_remcos_satacom_stealc_vidar
  • Size 971KB
  • Sample260428-chal5acw9t
  • SHA256 4acc3ea9a1284d1280119d8dbbdeec7488b0eb8ba07b753a029d4c7c6bd40059
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
xwormdiscoverypersistencerattrojan

Malware Config

Extracted

Family

  • xworm

Version

  • XWorm V5.6

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    USB.exe

  • pastebin_url

    https://pastebin.com/raw/Fxzr3jeT

Targets

    • Target
      2026-04-28_b6e8bd0168d5e7bde24198387aac8cbb_amadey_cobalt-strike_icedid_luca-stealer_njrat_remcos_satacom_stealc_vidar
    • Size 971KB
    • SHA256 4acc3ea9a1284d1280119d8dbbdeec7488b0eb8ba07b753a029d4c7c6bd40059
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryxwormpersistencerattrojan

    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm
    • Custom signature

      Detects Windows executables referencing non-Windows User-Agents

    • Drops startup file

    • Executes dropped EXE

    • Modifies system executable filetype association

      persistence

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks