Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/09/2026, 06:24

General

  • Target
    2026-09-08_3a82e55bf825ad2d785e2c2feea8658a_cobalt-strike_glassworm_icedid_njrat_ryuk_satacom_stealc_vidar_xworm.exe
  • Size 7.0MB
  • Sample260910-g554rsstet
  • SHA256 a24a205f2b30cba1797fc4d7c0f60f1474e5b26a76eeb974f0b74250475c6569
  • 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 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).

  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-08_3a82e55bf825ad2d785e2c2feea8658a_cobalt-strike_glassworm_icedid_njrat_ryuk_satacom_stealc_vidar_xworm.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-08_3a82e55bf825ad2d785e2c2feea8658a_cobalt-strike_glassworm_icedid_njrat_ryuk_satacom_stealc_vidar_xworm.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3840
    • 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:3300
    • 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:4940
      • C:\Users\Admin\Documents\diagnostics\audiodg.exe
        "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:5032
    • C:\Users\Admin\AppData\Local\Temp\2026-09-08_3a82e55bf825ad2d785e2c2feea8658a_cobalt-strike_glassworm_icedid_njrat_ryuk_satacom_stealc_vidar_xworm..exe
      "C:\Users\Admin\AppData\Local\Temp\2026-09-08_3a82e55bf825ad2d785e2c2feea8658a_cobalt-strike_glassworm_icedid_njrat_ryuk_satacom_stealc_vidar_xworm..exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:3600

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCXE00D.tmp

        • Path C:\Program Files\7-Zip\RCXE00D.tmp
        • Size 377KB
        • SHA256 d082518b232c106dac4c02e26478366a1349de081cf1cffa185b8578f95fe3ff
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-09-08_3a82e55bf825ad2d785e2c2feea8658a_cobalt-strike_glassworm_icedid_njrat_ryuk_satacom_stealc_vidar_xworm..exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-09-08_3a82e55bf825ad2d785e2c2feea8658a_cobalt-strike_glassworm_icedid_njrat_ryuk_satacom_stealc_vidar_xworm..exe
        • Size 6.6MB
        • SHA256 c9f9014ad3f071a920f66710405924bc6e9549c72884c7dfcbe691d5bf74fd27
        • MD5 SHA1 SHA512 SSDEEP TLSH

        045395971821.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\045395971821.ico
        • Size 1KB
        • SHA256 99143e3c977916ae0bffcd76fb770cce778f63459bf49ab42b639bb4da8555c6
        • MD5 SHA1 SHA512 TLSH

        227079351088.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\227079351088.ico
        • Size 1KB
        • SHA256 b15cc5b7b654156b96c718da8c6a5402aa2d7afab332ec98038ce8a6b6efd052
        • MD5 SHA1 SHA512 TLSH

        246131142114.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\246131142114.ico
        • Size 1KB
        • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
        • MD5 SHA1 SHA512 TLSH

        261610009533.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\261610009533.ico
        • Size 1KB
        • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
        • MD5 SHA1 SHA512 TLSH

        330652041766.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\330652041766.ico
        • Size 1KB
        • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
        • MD5 SHA1 SHA512 TLSH

        602901806875.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\602901806875.ico
        • Size 1KB
        • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
        • MD5 SHA1 SHA512 TLSH

        631967171333.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\631967171333.ico
        • Size 1KB
        • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
        • MD5 SHA1 SHA512 TLSH

        708592705383.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\708592705383.ico
        • Size 1KB
        • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
        • MD5 SHA1 SHA512 TLSH

        823621933823.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\823621933823.ico
        • Size 1KB
        • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
        • MD5 SHA1 SHA512 TLSH

        824412548036.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\824412548036.ico
        • Size 1KB
        • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
        • MD5 SHA1 SHA512 TLSH

        865678105095.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\865678105095.ico
        • Size 1KB
        • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
        • MD5 SHA1 SHA512 TLSH

        920731653627.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\920731653627.ico
        • Size 1KB
        • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
        • MD5 SHA1 SHA512 TLSH

        987578782329.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\987578782329.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 0dc962966ec739ea7b4c2438aeb03bf14c940962f9868d8568accf6632d8626b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        logs.txt

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

        memory/3300-2249-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp

        memory/3300-2453-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp

        memory/3300-18-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp

        memory/3300-12-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp

        memory/3300-11-0x0000000000370000-0x0000000000386000-memory.dmp

        memory/3300-5-0x00007FFCC5E2F000-0x00007FFCC5E30000-memory.dmp

        memory/5032-191-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp

        memory/5032-244-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp

        memory/5032-566-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp