Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
13/04/2026, 12:34
General
- Target 2026-04-13_e0fb28997cb499af33ec2af1ef9d54fa_asyncrat_elex_glassworm_hiddentear_remcos_xworm.exe
- Size 132KB
- Sample260413-pr4msacz4p
- SHA256 c2b46218a5cf91f2f7a492a1ee869cbc8cb881e768545073f27f54d3ca1a9ca4
Malware Config
Extracted
-
xworm
-
5.0
-
185.213.155.231:7004
-
F9HvLiQmwMWg6mKf
-
Install_directory
%AppData%
-
install_file
XWormClient.exe
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 2 IoCs
- Custom signatureDetects Windows executables referencing non-Windows User-Agents 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Drops startup file 2 IoCs
- Executes dropped EXE 4 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- 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.
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
- 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⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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
-
-
C:\Users\Admin\AppData\Roaming\XWormClient.exeC:\Users\Admin\AppData\Roaming\XWormClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\XWormClient.exeC:\Users\Admin\AppData\Roaming\XWormClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\XWormClient.exeC:\Users\Admin\AppData\Roaming\XWormClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\XWormClient.exeC:\Users\Admin\AppData\Roaming\XWormClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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
XWormClient.exe.log
XWormClient.exe
memory/1624-25-0x00000000028F0000-0x00000000028FC000-memory.dmp
memory/3912-0-0x0000000000C00000-0x0000000000C28000-memory.dmp
memory/3912-5-0x0000000002BC0000-0x0000000002BD0000-memory.dmp
memory/3912-10-0x00000000011B0000-0x00000000011BC000-memory.dmp
memory/3912-11-0x0000000002BC0000-0x0000000002BD0000-memory.dmp
memory/4752-16-0x0000000002950000-0x000000000295C000-memory.dmp
memory/5840-9-0x0000000000EA0000-0x0000000000EAC000-memory.dmp