Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    18/04/2026, 04:46

General

  • Target
    2026-04-18_e6d410db463f9a1f13326eaf735dd0b9_cobalt-strike_glassworm_hijackloader_icedid_ryuk_satacom_stealc_vidar_xworm.exe
  • Size 506KB
  • Sample260418-fedq6agy5x
  • SHA256 f71cc5cf2a0268a23d75a274a83c7b34ed82d068595cb550db633e64552178e5
  • 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
  • Custom signature
    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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-18_e6d410db463f9a1f13326eaf735dd0b9_cobalt-strike_glassworm_hijackloader_icedid_ryuk_satacom_stealc_vidar_xworm.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-18_e6d410db463f9a1f13326eaf735dd0b9_cobalt-strike_glassworm_hijackloader_icedid_ryuk_satacom_stealc_vidar_xworm.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3560
    • C:\Users\Admin\Documents\diagnostics\audiodg.exe
      "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
      2⤵
      • Executes dropped EXE
      PID:2392
    • 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:1000
      • C:\Users\Admin\Documents\diagnostics\audiodg.exe
        "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
        3⤵
        • Executes dropped EXE
        PID:4680
    • C:\Users\Admin\AppData\Local\Temp\2026-04-18_e6d410db463f9a1f13326eaf735dd0b9_cobalt-strike_glassworm_hijackloader_icedid_ryuk_satacom_stealc_vidar_xworm..exe
      "C:\Users\Admin\AppData\Local\Temp\2026-04-18_e6d410db463f9a1f13326eaf735dd0b9_cobalt-strike_glassworm_hijackloader_icedid_ryuk_satacom_stealc_vidar_xworm..exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:644

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCXEB4D.tmp

        • Path C:\Program Files\7-Zip\RCXEB4D.tmp
        • Size 377KB
        • SHA256 7d57b902eb148fd14dd1ce0a532487a0f6de5f4b7bc18cc8aa3447a1921bbc36
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-04-18_e6d410db463f9a1f13326eaf735dd0b9_cobalt-strike_glassworm_hijackloader_icedid_ryuk_satacom_stealc_vidar_xworm..exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-04-18_e6d410db463f9a1f13326eaf735dd0b9_cobalt-strike_glassworm_hijackloader_icedid_ryuk_satacom_stealc_vidar_xworm..exe
        • Size 131KB
        • SHA256 ec23c12ae2dd33833790631e5dea14d33e744075179e9ef59529c72ed298d0df
        • MD5 SHA1 SHA512 SSDEEP TLSH

        008696516401..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\008696516401..exe
        • Size 1.4MB
        • SHA256 1724f2173c7307bea75bb4621bf7f52b673393f8bd2b77ee8308d3061eabe271
        • MD5 SHA1 SHA512 SSDEEP TLSH

        084323530750.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\084323530750.ico
        • Size 1KB
        • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
        • MD5 SHA1 SHA512 TLSH

        160085293158.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\160085293158.ico
        • Size 1KB
        • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
        • MD5 SHA1 SHA512 TLSH

        173518212425.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\173518212425.ico
        • Size 1KB
        • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
        • MD5 SHA1 SHA512 TLSH

        176350317638.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\176350317638.ico
        • Size 1KB
        • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
        • MD5 SHA1 SHA512 TLSH

        233916766213.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\233916766213.ico
        • Size 1KB
        • SHA256 2ea5c025b0613b1a20bc146508cf692b5de4d285f7acc17dc4035315952fd7f8
        • MD5 SHA1 SHA512 TLSH

        271597225454.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\271597225454.ico
        • Size 1KB
        • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
        • MD5 SHA1 SHA512 TLSH

        483401344081.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\483401344081.ico
        • Size 1KB
        • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
        • MD5 SHA1 SHA512 TLSH

        698321497710..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\698321497710..exe
        • Size 263KB
        • SHA256 66bf24b6a4a645bb814a8d44de5cb98ff544aa24c8acc843d21337260f6f5d43
        • MD5 SHA1 SHA512 SSDEEP TLSH

        807283654447.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\807283654447.ico
        • Size 1KB
        • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
        • MD5 SHA1 SHA512 TLSH

        852010578108.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\852010578108.ico
        • Size 1KB
        • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
        • MD5 SHA1 SHA512 TLSH

        909194525305.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\909194525305.ico
        • Size 1KB
        • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
        • MD5 SHA1 SHA512 TLSH

        911643239718..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\911643239718..exe
        • Size 1.4MB
        • SHA256 e6adb24c63c2622f76ed91b2def9498074716f5e154dd483b3469848e38174af
        • MD5 SHA1 SHA512 SSDEEP TLSH

        941242295994.exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\941242295994.exe
        • Size 4.1MB
        • SHA256 78425e626d0830c35ee05307ad6958055493acebbb8a2548ba3de4af6d6378f7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        985246488253..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\985246488253..exe
        • Size 107KB
        • SHA256 16f7ddaa4944632505f557d45ade328911169a7af17599a71ffe7edfa5eb5f51
        • MD5 SHA1 SHA512 SSDEEP TLSH

        990427240953.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\990427240953.ico
        • Size 1KB
        • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
        • 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 2a01d8e8e9e7688baae182d41336e8dc6229551a7c10305cade0b0b6eaa2d54d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/644-3023-0x0000021837720000-0x00000218377C3000-memory.dmp

        memory/644-5037-0x0000021837720000-0x00000218377C3000-memory.dmp

        memory/644-5044-0x0000021837720000-0x00000218377C3000-memory.dmp

        memory/2392-166-0x000000001B660000-0x000000001B7FA000-memory.dmp

        memory/2392-16-0x0000000000A10000-0x0000000000A26000-memory.dmp

        memory/4680-165-0x000000001B960000-0x000000001BAFA000-memory.dmp