Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
13/04/2026, 12:34
Behavioral task
behavioral1
Sample
2026-04-13_e0fb28997cb499af33ec2af1ef9d54fa_asyncrat_elex_glassworm_hiddentear_remcos_xworm.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
2026-04-13_e0fb28997cb499af33ec2af1ef9d54fa_asyncrat_elex_glassworm_hiddentear_remcos_xworm.exe
Resource
win11-20260130-en
General
- Target 2026-04-13_e0fb28997cb499af33ec2af1ef9d54fa_asyncrat_elex_glassworm_hiddentear_remcos_xworm.exe
- Size 132KB
- Sample260413-pr4msacz4p
- SHA256 c2b46218a5cf91f2f7a492a1ee869cbc8cb881e768545073f27f54d3ca1a9ca4
- MD5 e0fb28997cb499af33ec2af1ef9d54fa
- SHA1 528e48fc832a4d5f387bcf2d3a9687f012976f01
- SHA512 5072b84c8a4214730e00a3bc602d7647756ea17c48b0d668c062599c178a47c004ce41f446260cf7bd1d12ebdf525253afbd3b9875870ec541e87dddc7e4bef6
- SSDEEP 3072:bCGUF19DXO/OoM+lmsolAIrRuw+mqv9j1MWLQ4:S19x7+lDAA
- TLSH T12BD3BEE1A740C465D8AB96B9843BD6A7A433A24EDC68490D3CD2FF0B7D73347402799B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
xworm
-
5.0
-
185.213.155.231:7004
-
F9HvLiQmwMWg6mKf
-
Install_directory
%AppData%
-
install_file
XWormClient.exe
Signatures
- Detect Xworm Payload 2 IoCs
resource yara_rule behavioral2/memory/4944-0-0x0000000000D20000-0x0000000000D48000-memory.dmp family_xworm behavioral2/files/0x001a00000002b42f-6.dat family_xworm - Custom signatureDetects Windows executables referencing non-Windows User-Agents 2 IoCs
resource yara_rule behavioral2/memory/4944-0-0x0000000000D20000-0x0000000000D48000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/files/0x001a00000002b42f-6.dat INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA - Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XWormClient.lnk 2026-04-13_e0fb28997cb499af33ec2af1ef9d54fa_asyncrat_elex_glassworm_hiddentear_remcos_xworm.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XWormClient.lnk 2026-04-13_e0fb28997cb499af33ec2af1ef9d54fa_asyncrat_elex_glassworm_hiddentear_remcos_xworm.exe - Executes dropped EXE 4 IoCs
pid Process 5576 XWormClient.exe 4364 XWormClient.exe 6080 XWormClient.exe 5184 XWormClient.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000\Software\Microsoft\Windows\CurrentVersion\Run\XWormClient = "C:\\Users\\Admin\\AppData\\Roaming\\XWormClient.exe" 2026-04-13_e0fb28997cb499af33ec2af1ef9d54fa_asyncrat_elex_glassworm_hiddentear_remcos_xworm.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 5860 schtasks.exe - Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 4944 2026-04-13_e0fb28997cb499af33ec2af1ef9d54fa_asyncrat_elex_glassworm_hiddentear_remcos_xworm.exe Token: SeDebugPrivilege 5576 XWormClient.exe Token: SeDebugPrivilege 4364 XWormClient.exe Token: SeDebugPrivilege 6080 XWormClient.exe Token: SeDebugPrivilege 5184 XWormClient.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4944 wrote to memory of 5860 4944 2026-04-13_e0fb28997cb499af33ec2af1ef9d54fa_asyncrat_elex_glassworm_hiddentear_remcos_xworm.exe 79 - 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\2026-04-13_e0fb28997cb499af33ec2af1ef9d54fa_asyncrat_elex_glassworm_hiddentear_remcos_xworm.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-13_e0fb28997cb499af33ec2af1ef9d54fa_asyncrat_elex_glassworm_hiddentear_remcos_xworm.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4944 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XWormClient" /tr "C:\Users\Admin\AppData\Roaming\XWormClient.exe"2⤵
- Scheduled Task/Job: Scheduled Task
PID:5860
-
-
C:\Users\Admin\AppData\Roaming\XWormClient.exeC:\Users\Admin\AppData\Roaming\XWormClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5576
-
C:\Users\Admin\AppData\Roaming\XWormClient.exeC:\Users\Admin\AppData\Roaming\XWormClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4364
-
C:\Users\Admin\AppData\Roaming\XWormClient.exeC:\Users\Admin\AppData\Roaming\XWormClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:6080
-
C:\Users\Admin\AppData\Roaming\XWormClient.exeC:\Users\Admin\AppData\Roaming\XWormClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5184
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\XWormClient.exe.log
- Size 654B
- SHA256 e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3
- MD5 2cbbb74b7da1f720b48ed31085cbd5b8
- SHA1 79caa9a3ea8abe1b9c4326c3633da64a5f724964
- SHA512 ecf02d5240e0c1c005d3ab393aa7eff62bd498c2db5905157e2bf6d29e1b663228a9583950842629d1a4caef404c8941a0c7799b1a3bd1eb890a09fdb7efcff9
- TLSH T119F0A2302371E1C8C9263F422C0D2A4966AF474A7B50FE0C7694635DD825167AF313F3
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\XWormClient.exe
- Size 132KB
- SHA256 c2b46218a5cf91f2f7a492a1ee869cbc8cb881e768545073f27f54d3ca1a9ca4
- MD5 e0fb28997cb499af33ec2af1ef9d54fa
- SHA1 528e48fc832a4d5f387bcf2d3a9687f012976f01
- SHA512 5072b84c8a4214730e00a3bc602d7647756ea17c48b0d668c062599c178a47c004ce41f446260cf7bd1d12ebdf525253afbd3b9875870ec541e87dddc7e4bef6
- SSDEEP 3072:bCGUF19DXO/OoM+lmsolAIrRuw+mqv9j1MWLQ4:S19x7+lDAA
- TLSH T12BD3BEE1A740C465D8AB96B9843BD6A7A433A24EDC68490D3CD2FF0B7D73347402799B
- MD5 SHA1 SHA512 SSDEEP TLSH