Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/09/2026, 07:50

General

  • Target
    2026-09-08_05c727fb3516f2582f5fc061cc3ed49e_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
  • Size 383KB
  • Sample260910-jpazsszfjg
  • SHA256 b9f73de2edb9891b09983682f8f4390142d744f153aff2f45e8d13b2196cdbcb
  • 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 dropped EXE 3 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).

  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-08_05c727fb3516f2582f5fc061cc3ed49e_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-08_05c727fb3516f2582f5fc061cc3ed49e_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:928
    • C:\Users\Admin\Documents\diagnostics\audiodg.exe
      "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
      2⤵
      • Creates a file in the Startup directory
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      PID:3220
    • 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:5548
      • C:\Users\Admin\Documents\diagnostics\audiodg.exe
        "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4556
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5712

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          RCX5899.tmp

          • Path C:\Program Files\7-Zip\RCX5899.tmp
          • Size 377KB
          • SHA256 e30cd794451d0e1de23257cc3d940a0ede156022bc6f5b219c3038ecb9622baf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          034818132258.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\034818132258.ico
          • Size 1KB
          • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
          • MD5 SHA1 SHA512 TLSH

          071589700374.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\071589700374.ico
          • Size 1KB
          • SHA256 99143e3c977916ae0bffcd76fb770cce778f63459bf49ab42b639bb4da8555c6
          • MD5 SHA1 SHA512 TLSH

          073434918811.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\073434918811.ico
          • Size 1KB
          • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
          • MD5 SHA1 SHA512 TLSH

          294649864676.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\294649864676.ico
          • Size 1KB
          • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
          • MD5 SHA1 SHA512 TLSH

          338573063764.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\338573063764.ico
          • Size 1KB
          • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
          • MD5 SHA1 SHA512 TLSH

          345446497551.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\345446497551.ico
          • Size 1KB
          • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
          • MD5 SHA1 SHA512 TLSH

          434982133307.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\434982133307.ico
          • Size 1KB
          • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
          • MD5 SHA1 SHA512 TLSH

          469276870439.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\469276870439.ico
          • Size 1KB
          • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
          • MD5 SHA1 SHA512 TLSH

          541686584144.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\541686584144.ico
          • Size 1KB
          • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
          • MD5 SHA1 SHA512 TLSH

          694798838673.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\694798838673.ico
          • Size 1KB
          • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
          • MD5 SHA1 SHA512 TLSH

          806140540234.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\806140540234.ico
          • Size 1KB
          • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
          • MD5 SHA1 SHA512 TLSH

          914250604227.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\914250604227.ico
          • Size 1KB
          • SHA256 b15cc5b7b654156b96c718da8c6a5402aa2d7afab332ec98038ce8a6b6efd052
          • MD5 SHA1 SHA512 TLSH

          977276302495.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\977276302495.ico
          • Size 1KB
          • SHA256 2ea5c025b0613b1a20bc146508cf692b5de4d285f7acc17dc4035315952fd7f8
          • MD5 SHA1 SHA512 TLSH

          audiodg.exe

          • Path C:\Users\Admin\Documents\diagnostics\audiodg.exe
          • Size 62KB
          • SHA256 76957a7db92abf1667474a4e45477cea7297e9a25c78c1fadd94795fc5390833
          • MD5 SHA1 SHA512 SSDEEP TLSH

          shost.exe

          • Path C:\Users\Admin\Documents\diagnostics\shost.exe
          • Size 375KB
          • SHA256 3aa91ce324a8eb71ff87087a5c00d25356753080f4b241a82e6254df9d8846d5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          logs.txt

          • Path C:\Users\Admin\Documents\logs.txt
          • Size 4KB
          • SHA256 5fbf191875921ac5b946de1eb18b6f7d28f2dbfe41fed6d1163841aa81d94884
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/3220-1976-0x00007FFA38EA0000-0x00007FFA39844000-memory.dmp

          memory/3220-14-0x0000000000540000-0x0000000000556000-memory.dmp

          memory/3220-13-0x00007FFA3902F000-0x00007FFA39030000-memory.dmp

          memory/3220-55-0x00007FFA38EA0000-0x00007FFA39844000-memory.dmp

          memory/3220-19-0x00007FFA38EA0000-0x00007FFA39844000-memory.dmp

          memory/4556-137-0x00007FFA38EA0000-0x00007FFA39844000-memory.dmp

          memory/4556-222-0x00007FFA38EA0000-0x00007FFA39844000-memory.dmp

          memory/4556-299-0x00007FFA38EA0000-0x00007FFA39844000-memory.dmp