Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
10/11/2026, 20:21
Behavioral task
behavioral1
Sample
2026-11-09_4bb58f434e629a6203ce791d07b98432_elex_glassworm_hiddentear_remcos_xworm.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
2026-11-09_4bb58f434e629a6203ce791d07b98432_elex_glassworm_hiddentear_remcos_xworm.exe
Resource
win11ltsc2024-20260911-en
General
- Target 2026-11-09_4bb58f434e629a6203ce791d07b98432_elex_glassworm_hiddentear_remcos_xworm.exe
- Size 158KB
- Sample261110-y42tdsdt2v
- SHA256 6c991cdb6cbfea7c052a711358c6fd9727799d7b820fcf5036bbe7dd6b294fda
- MD5 4bb58f434e629a6203ce791d07b98432
- SHA1 8ff3b093fb03de74ef0e0ddb3af049d36bbe1217
- SHA512 2f5e64b58292cb028a63c2e0ada38e53645055fa31b2743391396ad698443e2b6a5b87b4114eb885c3d0f1aeef2e29c6ee7f9c5e1c313501fc43bdd3f450a1a2
- SSDEEP 3072:mtFOM+pkbVpRv/MDROrncM+lmsolAIrRuw+mqv9j1MWLQn:mfOM+ibV3Mi+lDAA
- TLSH T141F311E0A740C465D8AB9AB98437E6A7A433B25EDC68451D3CD1FF0B3D32347442799B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
xworm
-
XWorm V5.6
-
18.tcp.cpolar.top:11839
-
Install_directory
%AppData%
-
install_file
XClient.exe
-
telegram
https://api.telegram.org/bot8911625081:AAGOTat1I5G7H5056DSE_phMxZ7nmtVr22c/sendMessage?chat_id=7354200986
Signatures
- Detect Xworm Payload 2 IoCs
resource yara_rule behavioral1/memory/1432-0-0x00000000009A0000-0x00000000009CE000-memory.dmp family_xworm behavioral1/files/0x0007000000024503-6.dat family_xworm - Custom signatureDetects Windows executables referencing non-Windows User-Agents 2 IoCs
resource yara_rule behavioral1/memory/1432-0-0x00000000009A0000-0x00000000009CE000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/files/0x0007000000024503-6.dat INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA - Custom signatureDetects executables using Telegram Chat Bot 2 IoCs
resource yara_rule behavioral1/memory/1432-0-0x00000000009A0000-0x00000000009CE000-memory.dmp INDICATOR_SUSPICIOUS_EXE_TelegramChatBot behavioral1/files/0x0007000000024503-6.dat INDICATOR_SUSPICIOUS_EXE_TelegramChatBot - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-681733028-2344970462-962213935-1000\Control Panel\International\Geo\Nation 2026-11-09_4bb58f434e629a6203ce791d07b98432_elex_glassworm_hiddentear_remcos_xworm.exe - 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.
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk 2026-11-09_4bb58f434e629a6203ce791d07b98432_elex_glassworm_hiddentear_remcos_xworm.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk 2026-11-09_4bb58f434e629a6203ce791d07b98432_elex_glassworm_hiddentear_remcos_xworm.exe - Executes dropped EXE 3 IoCs
pid Process 6096 XClient.exe 3580 XClient.exe 5352 XClient.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-681733028-2344970462-962213935-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe" 2026-11-09_4bb58f434e629a6203ce791d07b98432_elex_glassworm_hiddentear_remcos_xworm.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 2026-11-09_4bb58f434e629a6203ce791d07b98432_elex_glassworm_hiddentear_remcos_xworm.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 2026-11-09_4bb58f434e629a6203ce791d07b98432_elex_glassworm_hiddentear_remcos_xworm.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5728 schtasks.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1432 2026-11-09_4bb58f434e629a6203ce791d07b98432_elex_glassworm_hiddentear_remcos_xworm.exe Token: SeDebugPrivilege 6096 XClient.exe Token: SeDebugPrivilege 3580 XClient.exe Token: SeDebugPrivilege 5352 XClient.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1432 wrote to memory of 5728 1432 2026-11-09_4bb58f434e629a6203ce791d07b98432_elex_glassworm_hiddentear_remcos_xworm.exe 90 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-11-09_4bb58f434e629a6203ce791d07b98432_elex_glassworm_hiddentear_remcos_xworm.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-09_4bb58f434e629a6203ce791d07b98432_elex_glassworm_hiddentear_remcos_xworm.exe"1⤵
- Checks computer location settings
- Creates a file in the Startup directory
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1432 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"2⤵
- Scheduled Task/Job: Scheduled Task
PID:5728
-
-
C:\Users\Admin\AppData\Roaming\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:6096
-
C:\Users\Admin\AppData\Roaming\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3580
-
C:\Users\Admin\AppData\Roaming\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5352
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\XClient.exe.log
- Size 654B
- SHA256 e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
- MD5 2ff39f6c7249774be85fd60a8f9a245e
- SHA1 684ff36b31aedc1e587c8496c02722c6698c1c4e
- SHA512 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
- TLSH T1D9F0DD242221E1C489127F111C0D2A4452BF4797B760EE0C7554529FD8312275F203E7
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\XClient.exe
- Size 158KB
- SHA256 6c991cdb6cbfea7c052a711358c6fd9727799d7b820fcf5036bbe7dd6b294fda
- MD5 4bb58f434e629a6203ce791d07b98432
- SHA1 8ff3b093fb03de74ef0e0ddb3af049d36bbe1217
- SHA512 2f5e64b58292cb028a63c2e0ada38e53645055fa31b2743391396ad698443e2b6a5b87b4114eb885c3d0f1aeef2e29c6ee7f9c5e1c313501fc43bdd3f450a1a2
- SSDEEP 3072:mtFOM+pkbVpRv/MDROrncM+lmsolAIrRuw+mqv9j1MWLQn:mfOM+ibV3Mi+lDAA
- TLSH T141F311E0A740C465D8AB9AB98437E6A7A433B25EDC68451D3CD1FF0B3D32347442799B
- MD5 SHA1 SHA512 SSDEEP TLSH