Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-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 behavioral2/memory/2540-1-0x0000000000800000-0x000000000082E000-memory.dmp family_xworm behavioral2/files/0x0006000000000442-8.dat family_xworm - Custom signatureDetects Windows executables referencing non-Windows User-Agents 2 IoCs
resource yara_rule behavioral2/memory/2540-1-0x0000000000800000-0x000000000082E000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/files/0x0006000000000442-8.dat INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA - Custom signatureDetects executables using Telegram Chat Bot 2 IoCs
resource yara_rule behavioral2/memory/2540-1-0x0000000000800000-0x000000000082E000-memory.dmp INDICATOR_SUSPICIOUS_EXE_TelegramChatBot behavioral2/files/0x0006000000000442-8.dat INDICATOR_SUSPICIOUS_EXE_TelegramChatBot - 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 5484 XClient.exe 3488 XClient.exe 2364 XClient.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-53044966-3830981193-2402648431-1000\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 5164 schtasks.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2540 2026-11-09_4bb58f434e629a6203ce791d07b98432_elex_glassworm_hiddentear_remcos_xworm.exe Token: SeDebugPrivilege 5484 XClient.exe Token: SeDebugPrivilege 3488 XClient.exe Token: SeDebugPrivilege 2364 XClient.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2540 wrote to memory of 5164 2540 2026-11-09_4bb58f434e629a6203ce791d07b98432_elex_glassworm_hiddentear_remcos_xworm.exe 89 - 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⤵
- 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:2540 -
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:5164
-
-
C:\Users\Admin\AppData\Roaming\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5484
-
C:\Users\Admin\AppData\Roaming\XClient.exe"C:\Users\Admin\AppData\Roaming\XClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3488
-
C:\Users\Admin\AppData\Roaming\XClient.exe"C:\Users\Admin\AppData\Roaming\XClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2364
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\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