Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    26/08/2026, 10:44

General

  • Target
    2026-08-25_c314f5d3ae2b2a62fc5daf55faecc7aa_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
  • Size 752KB
  • Sample260826-ms6gnaxblf
  • SHA256 116099869c80fa99007aff9c8f0b10aea729630e9e8f3bc2d12f8a9a2db76810
  • 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\2026-08-25_c314f5d3ae2b2a62fc5daf55faecc7aa_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-25_c314f5d3ae2b2a62fc5daf55faecc7aa_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:6328
    • C:\Users\Admin\Documents\diagnostics\audiodg.exe
      "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4396
    • 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:2544
      • C:\Users\Admin\Documents\diagnostics\audiodg.exe
        "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
        3⤵
        • Creates a file in the Startup directory
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        PID:2916

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCX524F.tmp

        • Path C:\Program Files\7-Zip\RCX524F.tmp
        • Size 377KB
        • SHA256 3cc29f7f4607423bc4c54b63269daee37fff5a4c990fb39c2c3f846105d349e8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        018323597642.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\018323597642.ico
        • Size 1KB
        • SHA256 2ea5c025b0613b1a20bc146508cf692b5de4d285f7acc17dc4035315952fd7f8
        • MD5 SHA1 SHA512 TLSH

        133685164167.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\133685164167.ico
        • Size 1KB
        • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
        • MD5 SHA1 SHA512 TLSH

        330126789117.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\330126789117.ico
        • Size 1KB
        • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
        • MD5 SHA1 SHA512 TLSH

        440954015231.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\440954015231.ico
        • Size 1KB
        • SHA256 b15cc5b7b654156b96c718da8c6a5402aa2d7afab332ec98038ce8a6b6efd052
        • MD5 SHA1 SHA512 TLSH

        586808888930.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\586808888930.ico
        • Size 1KB
        • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
        • MD5 SHA1 SHA512 TLSH

        688808895637.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\688808895637.ico
        • Size 1KB
        • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
        • MD5 SHA1 SHA512 TLSH

        700885058647.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\700885058647.ico
        • Size 1KB
        • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
        • MD5 SHA1 SHA512 TLSH

        706596376218.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\706596376218.ico
        • Size 1KB
        • SHA256 99143e3c977916ae0bffcd76fb770cce778f63459bf49ab42b639bb4da8555c6
        • MD5 SHA1 SHA512 TLSH

        748294161667.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\748294161667.ico
        • Size 1KB
        • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
        • MD5 SHA1 SHA512 TLSH

        823992457756.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\823992457756.ico
        • Size 1KB
        • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
        • MD5 SHA1 SHA512 TLSH

        942486070173.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\942486070173.ico
        • Size 1KB
        • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
        • MD5 SHA1 SHA512 TLSH

        948029721700.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\948029721700.ico
        • Size 1KB
        • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
        • MD5 SHA1 SHA512 TLSH

        999667715986.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\999667715986.ico
        • Size 1KB
        • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
        • 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 f6f0f9dae7fd6185d07a8d249b3da11461c8529761aa4b4d5abfa9e50cbb8fc5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        logs.txt

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

        memory/2916-2348-0x00007FF9503B0000-0x00007FF950D54000-memory.dmp

        memory/2916-2132-0x00007FF9503B0000-0x00007FF950D54000-memory.dmp

        memory/2916-220-0x00007FF9503B0000-0x00007FF950D54000-memory.dmp

        memory/2916-130-0x00007FF9503B0000-0x00007FF950D54000-memory.dmp

        memory/4396-41-0x00007FF9503B0000-0x00007FF950D54000-memory.dmp

        memory/4396-16-0x00007FF9503B0000-0x00007FF950D54000-memory.dmp

        memory/4396-14-0x00000000005B0000-0x00000000005C6000-memory.dmp

        memory/4396-330-0x00007FF9503B0000-0x00007FF950D54000-memory.dmp

        memory/4396-10-0x00007FF95053F000-0x00007FF950540000-memory.dmp