Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/10/2026, 21:09

General

  • Target
    2026-10-11_580899c8ec360ba789f30717acde6db8_amadey_cobalt-strike_glassworm_icedid_remcos_ryuk_satacom_stealc_vidar_xworm.exe
  • Size 474KB
  • Sample261012-zzphyafs3z
  • SHA256 e86cbd9c1bd5fb161e0e3acacef0c111bd7509a41f325049c58891542ca9942c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • XWorm V5.6

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    USB.exe

  • pastebin_url

    https://pastebin.com/raw/Fxzr3jeT

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 4 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 4 IoCs
  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Executes a file named after a Windows system binary 1 TTPs 2 IoCs

    The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

  • Executes dropped EXE 4 IoCs
  • Modifies system executable filetype association 2 TTPs 6 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-11_580899c8ec360ba789f30717acde6db8_amadey_cobalt-strike_glassworm_icedid_remcos_ryuk_satacom_stealc_vidar_xworm.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-11_580899c8ec360ba789f30717acde6db8_amadey_cobalt-strike_glassworm_icedid_remcos_ryuk_satacom_stealc_vidar_xworm.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5044
    • C:\Users\Admin\Documents\diagnostics\audiodg.exe
      "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
      2⤵
      • Creates a file in the Startup directory
      • Executes a file named after a Windows system binary
      • Executes dropped EXE
      • Adds Run key to start application
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious use of AdjustPrivilegeToken
      PID:3820
    • C:\Users\Admin\Documents\diagnostics\shost.exe
      "C:\Users\Admin\Documents\diagnostics\shost.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:5652
      • C:\Users\Admin\Documents\diagnostics\audiodg.exe
        "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
        3⤵
        • Executes a file named after a Windows system binary
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4824
    • C:\Users\Admin\AppData\Local\Temp\2026-10-11_580899c8ec360ba789f30717acde6db8_amadey_cobalt-strike_glassworm_icedid_remcos_ryuk_satacom_stealc_vidar_xworm..exe
      "C:\Users\Admin\AppData\Local\Temp\2026-10-11_580899c8ec360ba789f30717acde6db8_amadey_cobalt-strike_glassworm_icedid_remcos_ryuk_satacom_stealc_vidar_xworm..exe"
      2⤵
      • Executes dropped EXE
      PID:2044
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5544

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          RCX7596.tmp

          • Path C:\Program Files\7-Zip\RCX7596.tmp
          • Size 377KB
          • SHA256 327ba452a503426aea7f190d36e4313dc5295dfd757f1a05848b19187e525f75
          • MD5 SHA1 SHA512 SSDEEP TLSH

          2026-10-11_580899c8ec360ba789f30717acde6db8_amadey_cobalt-strike_glassworm_icedid_remcos_ryuk_satacom_stealc_vidar_xworm..exe

          • Path C:\Users\Admin\AppData\Local\Temp\2026-10-11_580899c8ec360ba789f30717acde6db8_amadey_cobalt-strike_glassworm_icedid_remcos_ryuk_satacom_stealc_vidar_xworm..exe
          • Size 99KB
          • SHA256 2e77521e9ea8155c024485d4476270d7fd3516ca49c1857ec076cd74ed341a79
          • MD5 SHA1 SHA512 SSDEEP TLSH

          053793200238.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\053793200238.ico
          • Size 1KB
          • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
          • MD5 SHA1 SHA512 TLSH

          113460984703.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\113460984703.ico
          • Size 1KB
          • SHA256 0eecaeef9593a8bdab3aaaf9fdcf9cd4d312fb5c2015b1e12533dbfdfc9e2e58
          • MD5 SHA1 SHA512 TLSH

          219983479545.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\219983479545.ico
          • Size 1KB
          • SHA256 b15cc5b7b654156b96c718da8c6a5402aa2d7afab332ec98038ce8a6b6efd052
          • MD5 SHA1 SHA512 TLSH

          228756736353.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\228756736353.ico
          • Size 1KB
          • SHA256 c87216c7ca4c6510e0957de46c989ec10827b6b03b4bd518cf81c7ea2a140b8b
          • MD5 SHA1 SHA512 TLSH

          306275745662.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\306275745662.ico
          • Size 1KB
          • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
          • MD5 SHA1 SHA512 TLSH

          318746070567.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\318746070567.ico
          • Size 1KB
          • SHA256 9a6584c0e0a8cf98d3d7bd968a9ae54141256e454f1d7dabbc1e59b02be3f016
          • MD5 SHA1 SHA512 TLSH

          493769142675.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\493769142675.ico
          • Size 1KB
          • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
          • MD5 SHA1 SHA512 TLSH

          546269647231.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\546269647231.ico
          • Size 1KB
          • SHA256 a742238dacdff4363a430dacedb364ff073cd4c1f1799badcc88f3b681d565ca
          • MD5 SHA1 SHA512 TLSH

          594610956648.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\594610956648.ico
          • Size 1KB
          • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
          • MD5 SHA1 SHA512 TLSH

          640258442017.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\640258442017.ico
          • Size 1KB
          • SHA256 99143e3c977916ae0bffcd76fb770cce778f63459bf49ab42b639bb4da8555c6
          • MD5 SHA1 SHA512 TLSH

          644622185299.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\644622185299.ico
          • Size 1KB
          • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
          • MD5 SHA1 SHA512 TLSH

          660044446145.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\660044446145.ico
          • Size 1KB
          • SHA256 2ea5c025b0613b1a20bc146508cf692b5de4d285f7acc17dc4035315952fd7f8
          • MD5 SHA1 SHA512 TLSH

          794076225189.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\794076225189.ico
          • Size 1KB
          • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
          • MD5 SHA1 SHA512 TLSH

          798068187755.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\798068187755.ico
          • Size 1KB
          • SHA256 1c413336445e2b6d1de737844f2a298eb8eed23eb6a0671cefeb15caeb8eaef9
          • MD5 SHA1 SHA512 TLSH

          819524806521.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\819524806521.ico
          • Size 1KB
          • SHA256 18749bf7cbeaf430807c30dca88b7b7514a65e8c5170f1bcabb548f375e493fe
          • MD5 SHA1 SHA512 TLSH

          844590197309.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\844590197309.ico
          • Size 1KB
          • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
          • MD5 SHA1 SHA512 TLSH

          862032763359.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\862032763359.ico
          • Size 1KB
          • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
          • MD5 SHA1 SHA512 TLSH

          932915046744.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\932915046744.ico
          • Size 1KB
          • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
          • MD5 SHA1 SHA512 TLSH

          937852423910.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\937852423910.ico
          • Size 1KB
          • SHA256 5d0ddd51604345a2d39f5008290607d8af6bfd8d17c1f4eb914b8cc0d2953da4
          • MD5 SHA1 SHA512 TLSH

          968324069092.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\968324069092.ico
          • Size 1KB
          • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
          • MD5 SHA1 SHA512 TLSH

          audiodg.exe

          • Path C:\Users\Admin\Documents\diagnostics\audiodg.exe
          • Size 62KB
          • SHA256 f7f54a12cf80ea670f38210ecd705bdb64838c49e2fd17583c92323493bd399a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          shost.exe

          • Path C:\Users\Admin\Documents\diagnostics\shost.exe
          • Size 375KB
          • SHA256 1cbc60b64e5b7a0b54dfdaaa2391d5ecc0b20d452603525f93f7ba7413802cca
          • MD5 SHA1 SHA512 SSDEEP TLSH

          logs.txt

          • Path C:\Users\Admin\Documents\logs.txt
          • Size 4KB
          • SHA256 da817690a3571d7e01d9c1375b03f41f7ab5428be0d78127a291403d2b31cbb6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/3820-2083-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp

          memory/3820-1948-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp

          memory/3820-50-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp

          memory/3820-13-0x00007FF85DD7F000-0x00007FF85DD80000-memory.dmp

          memory/3820-14-0x0000000000640000-0x0000000000656000-memory.dmp

          memory/4824-298-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp

          memory/4824-211-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp

          memory/4824-136-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp