Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/10/2026, 00:07

General

  • Target
    2026-10-28_8ab8b12d94257e9b9fc4781405ddc3fc_cobalt-strike_glassworm_icedid_njrat_ryuk_satacom_stealc_vidar_xworm.exe
  • Size 4.5MB
  • Sample261030-aedhhat19l
  • SHA256 d71718d868051ee973dcf0e2a214d2b7ec08fd3bb9b490d1e1b1ec22ddeb2918
  • 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 4 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-28_8ab8b12d94257e9b9fc4781405ddc3fc_cobalt-strike_glassworm_icedid_njrat_ryuk_satacom_stealc_vidar_xworm.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-28_8ab8b12d94257e9b9fc4781405ddc3fc_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:3196
    • 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:4352
    • 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:3300
      • 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:3724
    • C:\Users\Admin\AppData\Local\Temp\2026-10-28_8ab8b12d94257e9b9fc4781405ddc3fc_cobalt-strike_glassworm_icedid_njrat_ryuk_satacom_stealc_vidar_xworm..exe
      "C:\Users\Admin\AppData\Local\Temp\2026-10-28_8ab8b12d94257e9b9fc4781405ddc3fc_cobalt-strike_glassworm_icedid_njrat_ryuk_satacom_stealc_vidar_xworm..exe"
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious use of SetWindowsHookEx
      PID:4656

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCX1F77.tmp

        • Path C:\Program Files\7-Zip\RCX1F77.tmp
        • Size 377KB
        • SHA256 a2d3aecace19e1a42324b1811bf45f2cfc8797d1599b29b9703a9584bf054cbd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-10-28_8ab8b12d94257e9b9fc4781405ddc3fc_cobalt-strike_glassworm_icedid_njrat_ryuk_satacom_stealc_vidar_xworm..exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-10-28_8ab8b12d94257e9b9fc4781405ddc3fc_cobalt-strike_glassworm_icedid_njrat_ryuk_satacom_stealc_vidar_xworm..exe
        • Size 4.1MB
        • SHA256 fab4e1293a2b4b52db4ddd12604cfdb574fba8a8e8bda7dbea548f8cecd8c233
        • MD5 SHA1 SHA512 SSDEEP TLSH

        079727537905.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\079727537905.ico
        • Size 1KB
        • SHA256 0eecaeef9593a8bdab3aaaf9fdcf9cd4d312fb5c2015b1e12533dbfdfc9e2e58
        • MD5 SHA1 SHA512 TLSH

        139371255036.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\139371255036.ico
        • Size 1KB
        • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
        • MD5 SHA1 SHA512 TLSH

        237468380835.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\237468380835.ico
        • Size 1KB
        • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
        • MD5 SHA1 SHA512 TLSH

        258382181725.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\258382181725.ico
        • Size 1KB
        • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
        • MD5 SHA1 SHA512 TLSH

        268753468324.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\268753468324.ico
        • Size 1KB
        • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
        • MD5 SHA1 SHA512 TLSH

        294396897130.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\294396897130.ico
        • Size 1KB
        • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
        • MD5 SHA1 SHA512 TLSH

        295309065630.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\295309065630.ico
        • Size 1KB
        • SHA256 1c413336445e2b6d1de737844f2a298eb8eed23eb6a0671cefeb15caeb8eaef9
        • MD5 SHA1 SHA512 TLSH

        366931504464.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\366931504464.ico
        • Size 1KB
        • SHA256 99143e3c977916ae0bffcd76fb770cce778f63459bf49ab42b639bb4da8555c6
        • MD5 SHA1 SHA512 TLSH

        389913169628.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\389913169628.ico
        • Size 1KB
        • SHA256 9a6584c0e0a8cf98d3d7bd968a9ae54141256e454f1d7dabbc1e59b02be3f016
        • MD5 SHA1 SHA512 TLSH

        413081051292.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\413081051292.ico
        • Size 1KB
        • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
        • MD5 SHA1 SHA512 TLSH

        456702215970.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\456702215970.ico
        • Size 1KB
        • SHA256 a742238dacdff4363a430dacedb364ff073cd4c1f1799badcc88f3b681d565ca
        • MD5 SHA1 SHA512 TLSH

        608150193857.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\608150193857.ico
        • Size 1KB
        • SHA256 2ea5c025b0613b1a20bc146508cf692b5de4d285f7acc17dc4035315952fd7f8
        • MD5 SHA1 SHA512 TLSH

        671741751511.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\671741751511.ico
        • Size 1KB
        • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
        • MD5 SHA1 SHA512 TLSH

        779754046845.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\779754046845.ico
        • Size 1KB
        • SHA256 5d0ddd51604345a2d39f5008290607d8af6bfd8d17c1f4eb914b8cc0d2953da4
        • MD5 SHA1 SHA512 TLSH

        858533673578.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\858533673578.ico
        • Size 1KB
        • SHA256 c87216c7ca4c6510e0957de46c989ec10827b6b03b4bd518cf81c7ea2a140b8b
        • MD5 SHA1 SHA512 TLSH

        911614150262.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\911614150262.ico
        • Size 1KB
        • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
        • MD5 SHA1 SHA512 TLSH

        942568844441.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\942568844441.ico
        • Size 1KB
        • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
        • MD5 SHA1 SHA512 TLSH

        946473650495.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\946473650495.ico
        • Size 1KB
        • SHA256 18749bf7cbeaf430807c30dca88b7b7514a65e8c5170f1bcabb548f375e493fe
        • MD5 SHA1 SHA512 TLSH

        964847555452.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\964847555452.ico
        • Size 1KB
        • SHA256 b15cc5b7b654156b96c718da8c6a5402aa2d7afab332ec98038ce8a6b6efd052
        • MD5 SHA1 SHA512 TLSH

        965670759976.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\965670759976.ico
        • Size 1KB
        • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
        • 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 150eac582be4075833031a0130f08f49dae788e6a1656978fa023400583e41e8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        logs.txt

        • Path C:\Users\Admin\Documents\logs.txt
        • Size 4KB
        • SHA256 24e291c1a0b0a3ff6089a1cd4269f11c758c543fda2e5e98f81748e30282c600
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3724-138-0x00007FFA30430000-0x00007FFA30DD4000-memory.dmp

        memory/3724-233-0x00007FFA30430000-0x00007FFA30DD4000-memory.dmp

        memory/3724-300-0x00007FFA30430000-0x00007FFA30DD4000-memory.dmp

        memory/4352-1997-0x00007FFA30430000-0x00007FFA30DD4000-memory.dmp

        memory/4352-2146-0x00007FFA30430000-0x00007FFA30DD4000-memory.dmp

        memory/4352-15-0x00007FFA30430000-0x00007FFA30DD4000-memory.dmp

        memory/4352-11-0x0000000000A20000-0x0000000000A36000-memory.dmp

        memory/4352-10-0x00007FFA305BF000-0x00007FFA305C0000-memory.dmp