Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/08/2026, 16:14

General

  • Target
    2026-08-17_22acb49b063eee6ee2d53e9d8e8c420f_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
  • Size 489KB
  • Sample260817-tpxtnsvwc1
  • SHA256 5990ec6d035842b7ca24f087947e9c24e7b018bf399f2e318ee3f797b387828b
  • 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 WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-17_22acb49b063eee6ee2d53e9d8e8c420f_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-17_22acb49b063eee6ee2d53e9d8e8c420f_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4960
    • 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:4108
    • 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:3024
      • C:\Users\Admin\Documents\diagnostics\audiodg.exe
        "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1116
    • C:\Users\Admin\AppData\Local\Temp\2026-08-17_22acb49b063eee6ee2d53e9d8e8c420f_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe
      "C:\Users\Admin\AppData\Local\Temp\2026-08-17_22acb49b063eee6ee2d53e9d8e8c420f_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe"
      2⤵
      • Executes dropped EXE
      PID:5360

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCX550F.tmp

        • Path C:\Program Files\7-Zip\RCX550F.tmp
        • Size 377KB
        • SHA256 d082518b232c106dac4c02e26478366a1349de081cf1cffa185b8578f95fe3ff
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-08-17_22acb49b063eee6ee2d53e9d8e8c420f_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-08-17_22acb49b063eee6ee2d53e9d8e8c420f_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe
        • Size 114KB
        • SHA256 6ce23c050d735a8f47665a210b01340ef4e948b1cb085018113b66e62cc419aa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        137717066937.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\137717066937.ico
        • Size 1KB
        • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
        • MD5 SHA1 SHA512 TLSH

        141688722552.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\141688722552.ico
        • Size 1KB
        • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
        • MD5 SHA1 SHA512 TLSH

        147052416439.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\147052416439.ico
        • Size 1KB
        • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
        • MD5 SHA1 SHA512 TLSH

        222120162761.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\222120162761.ico
        • Size 1KB
        • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
        • MD5 SHA1 SHA512 TLSH

        328149073239.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\328149073239.ico
        • Size 1KB
        • SHA256 99143e3c977916ae0bffcd76fb770cce778f63459bf49ab42b639bb4da8555c6
        • MD5 SHA1 SHA512 TLSH

        544054793930.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\544054793930.ico
        • Size 1KB
        • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
        • MD5 SHA1 SHA512 TLSH

        590724699870.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\590724699870.ico
        • Size 1KB
        • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
        • MD5 SHA1 SHA512 TLSH

        644715846737.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\644715846737.ico
        • Size 1KB
        • SHA256 b15cc5b7b654156b96c718da8c6a5402aa2d7afab332ec98038ce8a6b6efd052
        • MD5 SHA1 SHA512 TLSH

        698207391298.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\698207391298.ico
        • Size 1KB
        • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
        • MD5 SHA1 SHA512 TLSH

        700887397510.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\700887397510.ico
        • Size 1KB
        • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
        • MD5 SHA1 SHA512 TLSH

        723661182671.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\723661182671.ico
        • Size 1KB
        • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
        • MD5 SHA1 SHA512 TLSH

        744564240098.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\744564240098.ico
        • Size 1KB
        • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
        • MD5 SHA1 SHA512 TLSH

        989632489595.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\989632489595.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/1116-182-0x00007FFB7A250000-0x00007FFB7ABF4000-memory.dmp

        memory/1116-390-0x00007FFB7A250000-0x00007FFB7ABF4000-memory.dmp

        memory/1116-244-0x00007FFB7A250000-0x00007FFB7ABF4000-memory.dmp

        memory/4108-1976-0x00007FFB7A250000-0x00007FFB7ABF4000-memory.dmp

        memory/4108-2135-0x00007FFB7A250000-0x00007FFB7ABF4000-memory.dmp

        memory/4108-18-0x00007FFB7A250000-0x00007FFB7ABF4000-memory.dmp

        memory/4108-10-0x00007FFB7A3DF000-0x00007FFB7A3E0000-memory.dmp

        memory/4108-11-0x0000000000500000-0x0000000000516000-memory.dmp