Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    11/08/2026, 15:41

General

  • Target
    2026-08-11_f089ca756de2bd8838da2d8db7d4078a_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_wannacry_xworm.exe
  • Size 395KB
  • Sample260811-s473hsware
  • SHA256 b853041bccb1d8d909e30a63c685b82a749d3d12d9ce9c8e98874d59b1ad4f35
  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-11_f089ca756de2bd8838da2d8db7d4078a_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_wannacry_xworm.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-11_f089ca756de2bd8838da2d8db7d4078a_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_wannacry_xworm.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1156
    • 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:2548
    • 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:2448
      • C:\Users\Admin\Documents\diagnostics\audiodg.exe
        "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1108
    • C:\Users\Admin\AppData\Local\Temp\2026-08-11_f089ca756de2bd8838da2d8db7d4078a_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_wannacry_xworm..exe
      "C:\Users\Admin\AppData\Local\Temp\2026-08-11_f089ca756de2bd8838da2d8db7d4078a_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_wannacry_xworm..exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:884

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCX31AD.tmp

        • Path C:\Program Files\7-Zip\RCX31AD.tmp
        • Size 377KB
        • SHA256 d082518b232c106dac4c02e26478366a1349de081cf1cffa185b8578f95fe3ff
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-08-11_f089ca756de2bd8838da2d8db7d4078a_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_wannacry_xworm..exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-08-11_f089ca756de2bd8838da2d8db7d4078a_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_wannacry_xworm..exe
        • Size 20KB
        • SHA256 b8052db4c361ac95ce19d65d1b087dfce3e47b8519a30d103f134cd50d6afdae
        • MD5 SHA1 SHA512 SSDEEP TLSH

        009658134776.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\009658134776.ico
        • Size 1KB
        • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
        • MD5 SHA1 SHA512 TLSH

        035213265994..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\035213265994..exe
        • Size 3.3MB
        • SHA256 be28b354497c31f2813a97217a3d61e075b03439d4d055c2ce904913de7080be
        • MD5 SHA1 SHA512 SSDEEP TLSH

        038173362489..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\038173362489..exe
        • Size 9.9MB
        • SHA256 2892c988e54ab035646f9538f7493b0ddfe4541c358de28fb4a02fc32d8bdce0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        172132844626.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\172132844626.ico
        • Size 1KB
        • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
        • MD5 SHA1 SHA512 TLSH

        266709574875.exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\266709574875.exe
        • Size 4.1MB
        • SHA256 78425e626d0830c35ee05307ad6958055493acebbb8a2548ba3de4af6d6378f7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        274384313564.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\274384313564.ico
        • Size 1KB
        • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
        • MD5 SHA1 SHA512 TLSH

        319121172152.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\319121172152.ico
        • Size 1KB
        • SHA256 2ea5c025b0613b1a20bc146508cf692b5de4d285f7acc17dc4035315952fd7f8
        • MD5 SHA1 SHA512 TLSH

        354847918746.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\354847918746.ico
        • Size 1KB
        • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
        • MD5 SHA1 SHA512 TLSH

        436338526966.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\436338526966.ico
        • Size 1KB
        • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
        • MD5 SHA1 SHA512 TLSH

        467750783725..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\467750783725..exe
        • Size 2.4MB
        • SHA256 de9903082cdf397fc2f6cb24ba226a61b4cc2e402d1ffa99c37f8871be53d1ef
        • MD5 SHA1 SHA512 SSDEEP TLSH

        547199830799.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\547199830799.ico
        • Size 1KB
        • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
        • MD5 SHA1 SHA512 TLSH

        570280324642.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\570280324642.ico
        • Size 1KB
        • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
        • MD5 SHA1 SHA512 TLSH

        600440821198.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\600440821198.ico
        • Size 1KB
        • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
        • MD5 SHA1 SHA512 TLSH

        683133201852.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\683133201852.ico
        • Size 1KB
        • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
        • MD5 SHA1 SHA512 TLSH

        686836946583..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\686836946583..exe
        • Size 109KB
        • SHA256 108818ed973cfd2d73c374f6cb461639f39caf52bc28f8b7ceb7eab13d5d7b37
        • MD5 SHA1 SHA512 SSDEEP TLSH

        748355012330..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\748355012330..exe
        • Size 268KB
        • SHA256 a7f1ec482233f03892d238d24504f2950d583cf580c39acb9bdcbe928066cef1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        799487205327.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\799487205327.ico
        • Size 1KB
        • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
        • MD5 SHA1 SHA512 TLSH

        897014270178..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\897014270178..exe
        • Size 574KB
        • SHA256 a4f22b40651e87830c2ac8f40b9c84d94bda6fe3a54641625b600c3ce2d7d8be
        • MD5 SHA1 SHA512 SSDEEP 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 8d5f4fb5d8d992e1734842994a61c5bdec54f1ecd5415df17bc77edc9b4feab2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2548-11-0x0000000000FE0000-0x0000000000FF6000-memory.dmp

        memory/2548-1571-0x000000001BAF0000-0x000000001BB00000-memory.dmp

        memory/2548-4347-0x000000001BAF0000-0x000000001BB00000-memory.dmp