Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/11/2026, 01:55

General

  • Target
    2026-11-01_fc1c26dc2517e2c5407cea7d915945bb_cobalt-strike_glassworm_icedid_njrat_ryuk_satacom_stealc_vidar_xworm.exe
  • Size 1.1MB
  • Sample261102-ccbbgagw7p
  • SHA256 56d7312e342ca47442a2f834a5d7dac5779ed668e907c4de9873e513bf07c317
  • 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-11-01_fc1c26dc2517e2c5407cea7d915945bb_cobalt-strike_glassworm_icedid_njrat_ryuk_satacom_stealc_vidar_xworm.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-01_fc1c26dc2517e2c5407cea7d915945bb_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:3176
    • 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:4116
    • 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:2452
      • 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:4828
    • C:\Users\Admin\AppData\Local\Temp\2026-11-01_fc1c26dc2517e2c5407cea7d915945bb_cobalt-strike_glassworm_icedid_njrat_ryuk_satacom_stealc_vidar_xworm..exe
      "C:\Users\Admin\AppData\Local\Temp\2026-11-01_fc1c26dc2517e2c5407cea7d915945bb_cobalt-strike_glassworm_icedid_njrat_ryuk_satacom_stealc_vidar_xworm..exe"
      2⤵
      • Executes dropped EXE
      PID:3372

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCX92F6.tmp

        • Path C:\Program Files\7-Zip\RCX92F6.tmp
        • Size 377KB
        • SHA256 70492cffe7a3a14bb18d07e6ed3e2fa816202cb571dcf9b6d3e7d1db15aff705
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-11-01_fc1c26dc2517e2c5407cea7d915945bb_cobalt-strike_glassworm_icedid_njrat_ryuk_satacom_stealc_vidar_xworm..exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-11-01_fc1c26dc2517e2c5407cea7d915945bb_cobalt-strike_glassworm_icedid_njrat_ryuk_satacom_stealc_vidar_xworm..exe
        • Size 760KB
        • SHA256 26f465253a5f22813e51907649f18124bcebd757ae13efd639721ef2f67b1f0b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        137174064138.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\137174064138.ico
        • Size 1KB
        • SHA256 9a6584c0e0a8cf98d3d7bd968a9ae54141256e454f1d7dabbc1e59b02be3f016
        • MD5 SHA1 SHA512 TLSH

        149865932392.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\149865932392.ico
        • Size 1KB
        • SHA256 c87216c7ca4c6510e0957de46c989ec10827b6b03b4bd518cf81c7ea2a140b8b
        • MD5 SHA1 SHA512 TLSH

        217720802268.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\217720802268.ico
        • Size 1KB
        • SHA256 99143e3c977916ae0bffcd76fb770cce778f63459bf49ab42b639bb4da8555c6
        • MD5 SHA1 SHA512 TLSH

        222113959721.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\222113959721.ico
        • Size 1KB
        • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
        • MD5 SHA1 SHA512 TLSH

        231140602571.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\231140602571.ico
        • Size 1KB
        • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
        • MD5 SHA1 SHA512 TLSH

        255980152060.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\255980152060.ico
        • Size 1KB
        • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
        • MD5 SHA1 SHA512 TLSH

        269730357547.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\269730357547.ico
        • Size 1KB
        • SHA256 2ea5c025b0613b1a20bc146508cf692b5de4d285f7acc17dc4035315952fd7f8
        • MD5 SHA1 SHA512 TLSH

        276178230110.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\276178230110.ico
        • Size 1KB
        • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
        • MD5 SHA1 SHA512 TLSH

        352760749780.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\352760749780.ico
        • Size 1KB
        • SHA256 a742238dacdff4363a430dacedb364ff073cd4c1f1799badcc88f3b681d565ca
        • MD5 SHA1 SHA512 TLSH

        358038089345.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\358038089345.ico
        • Size 1KB
        • SHA256 18749bf7cbeaf430807c30dca88b7b7514a65e8c5170f1bcabb548f375e493fe
        • MD5 SHA1 SHA512 TLSH

        380600068494.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\380600068494.ico
        • Size 1KB
        • SHA256 0eecaeef9593a8bdab3aaaf9fdcf9cd4d312fb5c2015b1e12533dbfdfc9e2e58
        • MD5 SHA1 SHA512 TLSH

        473995394196.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\473995394196.ico
        • Size 1KB
        • SHA256 b15cc5b7b654156b96c718da8c6a5402aa2d7afab332ec98038ce8a6b6efd052
        • MD5 SHA1 SHA512 TLSH

        490109750354.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\490109750354.ico
        • Size 1KB
        • SHA256 5d0ddd51604345a2d39f5008290607d8af6bfd8d17c1f4eb914b8cc0d2953da4
        • MD5 SHA1 SHA512 TLSH

        505208385654.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\505208385654.ico
        • Size 1KB
        • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
        • MD5 SHA1 SHA512 TLSH

        722277668997.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\722277668997.ico
        • Size 1KB
        • SHA256 1c413336445e2b6d1de737844f2a298eb8eed23eb6a0671cefeb15caeb8eaef9
        • MD5 SHA1 SHA512 TLSH

        730511236857.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\730511236857.ico
        • Size 1KB
        • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
        • MD5 SHA1 SHA512 TLSH

        750823975869.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\750823975869.ico
        • Size 1KB
        • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
        • MD5 SHA1 SHA512 TLSH

        873425209514.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\873425209514.ico
        • Size 1KB
        • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
        • MD5 SHA1 SHA512 TLSH

        932758271388.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\932758271388.ico
        • Size 1KB
        • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
        • MD5 SHA1 SHA512 TLSH

        939716228224.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\939716228224.ico
        • Size 1KB
        • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
        • 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 db39fe8a6085c66217f6efda848e6df1b09d2db773b1d9b7c2b8d197d675731b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        logs.txt

        • Path C:\Users\Admin\Documents\logs.txt
        • Size 2KB
        • SHA256 50ad71d738dfc9d7cea7fef6fca07e75756ae826d36e5124a88155ea0caf3ed2
        • MD5 SHA1 SHA512 TLSH

        logs.txt

        • Path C:\Users\Admin\Documents\logs.txt
        • Size 3KB
        • SHA256 5b90c6cfa4a38cf2542a00eaac6458a8c5dc6a4fac59cb1417cf38a081144c97
        • MD5 SHA1 SHA512 TLSH

        logs.txt

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

        memory/4116-2323-0x00007FFBA2780000-0x00007FFBA3124000-memory.dmp

        memory/4116-2501-0x00007FFBA2780000-0x00007FFBA3124000-memory.dmp

        memory/4116-76-0x00007FFBA2780000-0x00007FFBA3124000-memory.dmp

        memory/4116-29-0x00007FFBA2780000-0x00007FFBA3124000-memory.dmp

        memory/4116-10-0x00007FFBA290F000-0x00007FFBA2910000-memory.dmp

        memory/4116-11-0x0000000000DA0000-0x0000000000DB6000-memory.dmp

        memory/4828-536-0x00007FFBA2780000-0x00007FFBA3124000-memory.dmp

        memory/4828-244-0x00007FFBA2780000-0x00007FFBA3124000-memory.dmp

        memory/4828-211-0x00007FFBA2780000-0x00007FFBA3124000-memory.dmp