Analysis

  • max time kernel
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/06/2026, 01:14

General

  • Target
    2026-06-02_11770be431c38bb7dec3b646e7b9d738_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
  • Size 19.2MB
  • Sample260602-blympaby4p
  • SHA256 2619cf34a17d5886fa0553dc0246ede0c33cf4050999450357f2690e23cd58b7
  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-02_11770be431c38bb7dec3b646e7b9d738_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-02_11770be431c38bb7dec3b646e7b9d738_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4920
    • C:\Users\Admin\Documents\diagnostics\audiodg.exe
      "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
      2⤵
      • Executes dropped EXE
      PID:648
    • 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:1164
      • C:\Users\Admin\Documents\diagnostics\audiodg.exe
        "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
        3⤵
        • Executes dropped EXE
        PID:3928
    • C:\Users\Admin\AppData\Local\Temp\2026-06-02_11770be431c38bb7dec3b646e7b9d738_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe
      "C:\Users\Admin\AppData\Local\Temp\2026-06-02_11770be431c38bb7dec3b646e7b9d738_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:4752

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        rhp_world_icon.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource1\static\js\plugins\aicuc\images\rhp_world_icon.png
        • Size 445B
        • SHA256 42c312aa2a038ca54e9a6fe4bad8c9c044c35b4c5f421496f289c00c957d7591
        • MD5 SHA1 SHA512 TLSH

        rhp_world_icon_2x.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource1\static\js\plugins\aicuc\images\rhp_world_icon_2x.png
        • Size 611B
        • SHA256 71039e6370f68913e67cb8451d3127c22d3e1045ca644e4dc9821e9f6f6899aa
        • MD5 SHA1 SHA512 TLSH

        rhp_world_icon_hover.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource1\static\js\plugins\aicuc\images\rhp_world_icon_hover.png
        • Size 388B
        • SHA256 8bcf53efcb1b630087d4cfcedf5e48a7abaa9c71dd13745eedfd2c7cfa6827f5
        • MD5 SHA1 SHA512 TLSH

        rhp_world_icon_hover_2x.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource1\static\js\plugins\aicuc\images\rhp_world_icon_hover_2x.png
        • Size 552B
        • SHA256 87da831caa04bd303918a32265830ff97648dc8adc18881ba14d1cc1d28cde85
        • MD5 SHA1 SHA512 TLSH

        rhp_world_icon.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource1\static\js\plugins\aicuc\images\themes\dark\rhp_world_icon.png
        • Size 388B
        • SHA256 854a09f1f875a3a2e6566c593af465c9c8a3aa9b9112eb755bb09cee76224a63
        • MD5 SHA1 SHA512 TLSH

        rhp_world_icon_2x.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource1\static\js\plugins\aicuc\images\themes\dark\rhp_world_icon_2x.png
        • Size 552B
        • SHA256 bfef65c62bfc309f698e8e0b999edfc06ad272b87d805f183551c43f08d704a9
        • MD5 SHA1 SHA512 TLSH

        rhp_world_icon_hover.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource1\static\js\plugins\aicuc\images\themes\dark\rhp_world_icon_hover.png
        • Size 388B
        • SHA256 a584379ebf9aa0d3c0239edb7e1f114f01a9865f01c68494d5f28d410ba8d873
        • MD5 SHA1 SHA512 TLSH

        rhp_world_icon_hover_2x.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource1\static\js\plugins\aicuc\images\themes\dark\rhp_world_icon_hover_2x.png
        • Size 552B
        • SHA256 0e0084df79ab98e5df48ed1e01987f7ac3fcf4a038dd5453708d868f73a073a8
        • MD5 SHA1 SHA512 TLSH

        icons.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource1\static\js\plugins\my-computer\images\icons.png
        • Size 7KB
        • SHA256 a870c4e9ff6c433b5583a8f09fcdfbe712241c7e7d64cd59a10c2ad592f64fe5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        icons_ie8.gif

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource1\static\js\plugins\my-computer\images\themes\dark\icons_ie8.gif
        • Size 7KB
        • SHA256 d6707a7a393687bccd92de05cecbd746be791f3a670cb4fc106252f49d2a0a2a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        icons_retina.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource1\static\js\plugins\my-computer\images\themes\dark\icons_retina.png
        • Size 15KB
        • SHA256 8c659d0904687a97d9c6b649e4b74e99b286265e92252908824efcd07f956b66
        • MD5 SHA1 SHA512 SSDEEP TLSH

        new_icons.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource1\static\js\plugins\my-computer\images\themes\dark\new_icons.png
        • Size 8KB
        • SHA256 a311b5a78e1b856505337b90e53edb4ba380160234e1b4e8801c231ba8d590a5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        new_icons_retina.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource1\static\js\plugins\my-computer\images\themes\dark\new_icons_retina.png
        • Size 17KB
        • SHA256 f84c7c93947e86e2a499117d4c55910de9fbaefb6d703a8d0f90f4867c69c182
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource1\static\js\plugins\my-computer\js\nls\ui-strings.js
        • Size 1KB
        • SHA256 196c132938d324c62184ddc85bdb1cd642af830712e0fbf0fb3230978316d510
        • MD5 SHA1 SHA512 TLSH

        main-selector.css

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource1\static\js\plugins\my-files\css\main-selector.css
        • Size 802B
        • SHA256 af439ebb0d55750003f7dbec517e7b0b26a6a0506b21e3b74d800cd1c7faa004
        • MD5 SHA1 SHA512 TLSH

        bg_pattern_RHP.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource1\static\js\plugins\my-files\images\bg_pattern_RHP.png
        • Size 179B
        • SHA256 041917c06c638a1b1accaf0d2f0b2a6dd335dea629de602e104553024d822ea4
        • MD5 SHA1 SHA512 TLSH

        illustrations_retina.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource1\static\js\plugins\my-files\images\illustrations_retina.png
        • Size 19KB
        • SHA256 8b32854c17056ea617a680cd26ea91015e77d68260f656758984583eb6895a87
        • MD5 SHA1 SHA512 SSDEEP TLSH

        bg_patterns_header.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource1\static\js\plugins\my-files\images\themes\dark\bg_patterns_header.png
        • Size 703B
        • SHA256 a7cdf870b0b1b8459e94ed25a29daa87f5e9050294bf6cdff3bc72f93b928f94
        • MD5 SHA1 SHA512 TLSH

        illustrations.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource1\static\js\plugins\my-files\images\themes\dark\illustrations.png
        • Size 8KB
        • SHA256 19f68990146444907956056019aaee514c522c3c00ae00604da44a1bec2f8f51
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource1\static\js\plugins\my-recent-files\js\nls\en-gb\ui-strings.js
        • Size 823B
        • SHA256 b333de3a4a7be7749b82302085ed26ad868f0f8eccd09d2a8bb8840414e624d6
        • MD5 SHA1 SHA512 TLSH

        example_icons.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource1\static\js\plugins\pages-app\images\example_icons.png
        • Size 683B
        • SHA256 57804748e775c08ae188b4d860f31e4482ab99b44ed1d8489780daa6756fb11c
        • MD5 SHA1 SHA512 TLSH

        example_icons2x.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource1\static\js\plugins\pages-app\images\example_icons2x.png
        • Size 1KB
        • SHA256 7a610114be56ff131462bc67f9a23bcd4fde4fdd0158691448ab9e4a3eb2ca3b
        • MD5 SHA1 SHA512 TLSH

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource1\static\js\plugins\tracked-send\js\viewer\nls\nl-nl\ui-strings.js
        • Size 840B
        • SHA256 434731fdc6d2f5115c5f7786ac989fedef7d0f60cd2ad4385cc98f6d2160566c
        • MD5 SHA1 SHA512 TLSH

        RCX9C1F.tmp

        • Path C:\Program Files\7-Zip\RCX9C1F.tmp
        • Size 377KB
        • SHA256 0374d2fb2de8627a6a1532099fc96cf55c65ceec1179fc89c5dfcfd491f5431f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-06-02_11770be431c38bb7dec3b646e7b9d738_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-06-02_11770be431c38bb7dec3b646e7b9d738_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe
        • Size 18.8MB
        • SHA256 dab27bc1ad8697633183f1e1a0333ae122fab86c10e3d5f1e7c2e90aa1f9454f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        000418466013.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\000418466013.ico
        • Size 1KB
        • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
        • MD5 SHA1 SHA512 TLSH

        013832959209..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\013832959209..exe
        • Size 263KB
        • SHA256 66bf24b6a4a645bb814a8d44de5cb98ff544aa24c8acc843d21337260f6f5d43
        • MD5 SHA1 SHA512 SSDEEP TLSH

        038280013580.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\038280013580.ico
        • Size 1KB
        • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
        • MD5 SHA1 SHA512 TLSH

        105120892077.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\105120892077.ico
        • Size 1KB
        • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
        • MD5 SHA1 SHA512 TLSH

        216207425800.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\216207425800.ico
        • Size 1KB
        • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
        • MD5 SHA1 SHA512 TLSH

        339389287040.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\339389287040.ico
        • Size 1KB
        • SHA256 2ea5c025b0613b1a20bc146508cf692b5de4d285f7acc17dc4035315952fd7f8
        • MD5 SHA1 SHA512 TLSH

        393576097808.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\393576097808.ico
        • Size 1KB
        • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
        • MD5 SHA1 SHA512 TLSH

        451887055337.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\451887055337.ico
        • Size 1KB
        • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
        • MD5 SHA1 SHA512 TLSH

        463362986034.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\463362986034.ico
        • Size 1KB
        • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
        • MD5 SHA1 SHA512 TLSH

        483529477821.exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\483529477821.exe
        • Size 4.1MB
        • SHA256 78425e626d0830c35ee05307ad6958055493acebbb8a2548ba3de4af6d6378f7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        486391863577.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\486391863577.ico
        • Size 1KB
        • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
        • MD5 SHA1 SHA512 TLSH

        597306762323.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\597306762323.ico
        • Size 1KB
        • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
        • MD5 SHA1 SHA512 TLSH

        644246626157.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\644246626157.ico
        • Size 1KB
        • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
        • MD5 SHA1 SHA512 TLSH

        786137962682..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\786137962682..exe
        • Size 1.4MB
        • SHA256 e6adb24c63c2622f76ed91b2def9498074716f5e154dd483b3469848e38174af
        • MD5 SHA1 SHA512 SSDEEP TLSH

        885773222784..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\885773222784..exe
        • Size 1.4MB
        • SHA256 1724f2173c7307bea75bb4621bf7f52b673393f8bd2b77ee8308d3061eabe271
        • MD5 SHA1 SHA512 SSDEEP TLSH

        942075669310..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\942075669310..exe
        • Size 107KB
        • SHA256 16f7ddaa4944632505f557d45ade328911169a7af17599a71ffe7edfa5eb5f51
        • MD5 SHA1 SHA512 SSDEEP TLSH

        audiodg.exe

        • Path C:\Users\Admin\Documents\diagnostics\audiodg.exe
        • Size 62KB
        • SHA256 97f641759f6f6d64ce8a8795a7e8ef12657b571428db765a2c636c858776ef2e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        shost.exe

        • Path C:\Users\Admin\Documents\diagnostics\shost.exe
        • Size 375KB
        • SHA256 997b53fae01c92e6a7c7e9e61e1cb2151c9b55031bf46ed5fea0892acc2d677e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        logs.txt

        • Path C:\Users\Admin\Documents\logs.txt
        • Size 2KB
        • SHA256 45394fff68d5ed8611e605ef0cd21303ea88d1ff149a579099135f2fad0e1a80
        • MD5 SHA1 SHA512 TLSH

        logs.txt

        • Path C:\Users\Admin\Documents\logs.txt
        • Size 4KB
        • SHA256 d6f6329967c10017f0116f8696ad96463f9b57302343d58685cd8c5bee93ba9f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/648-5-0x0000000000C60000-0x0000000000C76000-memory.dmp