Analysis

  • max time kernel
    149s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    20/04/2026, 03:46

General

  • Target
    2026-04-20_8343f4faf71f6fd89090320de1204528_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
  • Size 399KB
  • Sample260420-ebyfqacs6t
  • SHA256 138b34a2aa54d4ac038791932176f0abf41fbd385c3658d21750ffd867abf870
  • 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
  • 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.

  • 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
  • Modifies registry class 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-20_8343f4faf71f6fd89090320de1204528_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-20_8343f4faf71f6fd89090320de1204528_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1404
    • C:\Users\Admin\Documents\diagnostics\audiodg.exe
      "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
      2⤵
      • Executes dropped EXE
      PID:4480
    • 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:2528
      • C:\Users\Admin\Documents\diagnostics\audiodg.exe
        "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
        3⤵
        • Executes dropped EXE
        PID:824
    • C:\Users\Admin\AppData\Local\Temp\2026-04-20_8343f4faf71f6fd89090320de1204528_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe
      "C:\Users\Admin\AppData\Local\Temp\2026-04-20_8343f4faf71f6fd89090320de1204528_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe"
      2⤵
      • Executes dropped EXE
      PID:4820

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCXFAAF.tmp

        • Path C:\Program Files\7-Zip\RCXFAAF.tmp
        • Size 377KB
        • SHA256 7d57b902eb148fd14dd1ce0a532487a0f6de5f4b7bc18cc8aa3447a1921bbc36
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-04-20_8343f4faf71f6fd89090320de1204528_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-04-20_8343f4faf71f6fd89090320de1204528_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe
        • Size 24KB
        • SHA256 4636dd2c9c678e0872967cf90259ea7050f1004e33c791a04f47269b0dfb1a54
        • MD5 SHA1 SHA512 SSDEEP TLSH

        069645397901.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\069645397901.ico
        • Size 1KB
        • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
        • MD5 SHA1 SHA512 TLSH

        100219307297..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\100219307297..exe
        • Size 2.4MB
        • SHA256 de9903082cdf397fc2f6cb24ba226a61b4cc2e402d1ffa99c37f8871be53d1ef
        • MD5 SHA1 SHA512 SSDEEP TLSH

        229749797554.exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\229749797554.exe
        • Size 574KB
        • SHA256 a4f22b40651e87830c2ac8f40b9c84d94bda6fe3a54641625b600c3ce2d7d8be
        • MD5 SHA1 SHA512 SSDEEP TLSH

        332807393062.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\332807393062.ico
        • Size 1KB
        • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
        • MD5 SHA1 SHA512 TLSH

        337586227654.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\337586227654.ico
        • Size 1KB
        • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
        • MD5 SHA1 SHA512 TLSH

        359389913302.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\359389913302.ico
        • Size 1KB
        • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
        • MD5 SHA1 SHA512 TLSH

        393052734912.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\393052734912.ico
        • Size 1KB
        • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
        • MD5 SHA1 SHA512 TLSH

        487249988025..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\487249988025..exe
        • Size 268KB
        • SHA256 a7f1ec482233f03892d238d24504f2950d583cf580c39acb9bdcbe928066cef1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        591001651228..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\591001651228..exe
        • Size 3.3MB
        • SHA256 be28b354497c31f2813a97217a3d61e075b03439d4d055c2ce904913de7080be
        • MD5 SHA1 SHA512 SSDEEP TLSH

        598468018163.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\598468018163.ico
        • Size 1KB
        • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
        • MD5 SHA1 SHA512 TLSH

        614301044093.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\614301044093.ico
        • Size 1KB
        • SHA256 2ea5c025b0613b1a20bc146508cf692b5de4d285f7acc17dc4035315952fd7f8
        • MD5 SHA1 SHA512 TLSH

        646308713418.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\646308713418.ico
        • Size 1KB
        • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
        • MD5 SHA1 SHA512 TLSH

        735855426772..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\735855426772..exe
        • Size 109KB
        • SHA256 108818ed973cfd2d73c374f6cb461639f39caf52bc28f8b7ceb7eab13d5d7b37
        • MD5 SHA1 SHA512 SSDEEP TLSH

        742585543498..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\742585543498..exe
        • Size 9.9MB
        • SHA256 2892c988e54ab035646f9538f7493b0ddfe4541c358de28fb4a02fc32d8bdce0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        847201460151.exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\847201460151.exe
        • Size 4.1MB
        • SHA256 78425e626d0830c35ee05307ad6958055493acebbb8a2548ba3de4af6d6378f7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        887470943229.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\887470943229.ico
        • Size 1KB
        • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
        • MD5 SHA1 SHA512 TLSH

        919287087786.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\919287087786.ico
        • Size 1KB
        • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
        • MD5 SHA1 SHA512 TLSH

        933636701873.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\933636701873.ico
        • Size 1KB
        • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
        • MD5 SHA1 SHA512 TLSH

        audiodg.exe

        • Path C:\Users\Admin\Documents\diagnostics\audiodg.exe
        • Size 62KB
        • SHA256 7e5a39a84a4e6fa368650cd74a600d37064344fde4d32d8ed52937f84b58d49e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        shost.exe

        • Path C:\Users\Admin\Documents\diagnostics\shost.exe
        • Size 375KB
        • SHA256 c15129e905ac92e0a1b5437d6864d406e8a422ea3f1b011e68477b03db710c6d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        logs.txt

        • Path C:\Users\Admin\Documents\logs.txt
        • Size 4KB
        • SHA256 7333e0c489a9e7fc683a60d707fdfd25e97a79183055cbc3027fd77c01463e19
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4480-14-0x0000000000C30000-0x0000000000C46000-memory.dmp