Analysis
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max time kernel
889s -
max time network
896s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20250217-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20250217-enlocale:en-usos:windows10-ltsc 2021-x64system -
submitted
06/03/2025, 21:33
Behavioral task
behavioral1
Sample
XClient.exe
Resource
win10ltsc2021-20250217-en
General
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Target
XClient.exe
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Size
62KB
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MD5
96fedf6b9bdef61b693c3c895e647ec9
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SHA1
d75b1c6021af31f40414e892d9fdc16132df9a82
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SHA256
aed72392c30af8bbd8d7d2978992fb0b499333741e799e1e14f285af74e3b9dc
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SHA512
3fab7337d135387c5ee923960985b0c58c7c45ce34c97e7a984549e805f6ddc71bde72ba83f9473fd48c8cd380e3e75674a21e2250d7eccfdcae011caea73384
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SSDEEP
1536:J4OZWBxEzUFdvJzJfvpX5+bLW+6NG+MOc8m+3R:2OABxucdBzJfvpJ+bL1+MOc8mQR
Malware Config
Extracted
xworm
posted-channels.gl.at.ply.gg:38837
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Install_directory
%AppData%
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install_file
XClient.exe
Signatures
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Detect Xworm Payload 2 IoCs
resource yara_rule behavioral1/memory/736-1-0x0000000000AD0000-0x0000000000AE6000-memory.dmp family_xworm behavioral1/files/0x000a000000027df3-9.dat family_xworm -
Xworm family
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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-1-5-21-1252571373-3012572919-3982031544-1000\Control Panel\International\Geo\Nation XClient.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk XClient.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk XClient.exe -
Executes dropped EXE 15 IoCs
pid Process 5008 XClient.exe 2028 XClient.exe 5012 XClient.exe 1896 XClient.exe 4604 XClient.exe 1088 XClient.exe 3380 XClient.exe 972 XClient.exe 1404 XClient.exe 4816 XClient.exe 4364 XClient.exe 1064 XClient.exe 688 XClient.exe 1408 XClient.exe 3400 XClient.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1252571373-3012572919-3982031544-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe" XClient.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 1552 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 736 XClient.exe 736 XClient.exe 736 XClient.exe 736 XClient.exe 736 XClient.exe 736 XClient.exe 736 XClient.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
description pid Process Token: SeDebugPrivilege 736 XClient.exe Token: SeDebugPrivilege 736 XClient.exe Token: SeDebugPrivilege 5008 XClient.exe Token: SeDebugPrivilege 2028 XClient.exe Token: SeDebugPrivilege 5012 XClient.exe Token: SeDebugPrivilege 1896 XClient.exe Token: SeDebugPrivilege 4604 XClient.exe Token: SeDebugPrivilege 1088 XClient.exe Token: SeDebugPrivilege 3380 XClient.exe Token: SeDebugPrivilege 972 XClient.exe Token: SeDebugPrivilege 1404 XClient.exe Token: SeDebugPrivilege 4816 XClient.exe Token: SeDebugPrivilege 4364 XClient.exe Token: SeDebugPrivilege 1064 XClient.exe Token: SeDebugPrivilege 688 XClient.exe Token: SeDebugPrivilege 1408 XClient.exe Token: SeDebugPrivilege 3400 XClient.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 736 XClient.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 736 wrote to memory of 1552 736 XClient.exe 87 PID 736 wrote to memory of 1552 736 XClient.exe 87 -
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
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C:\Users\Admin\AppData\Local\Temp\XClient.exe"C:\Users\Admin\AppData\Local\Temp\XClient.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:736 -
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:1552
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C:\Users\Admin\AppData\Roaming\XClient.exe"C:\Users\Admin\AppData\Roaming\XClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5008
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C:\Users\Admin\AppData\Roaming\XClient.exe"C:\Users\Admin\AppData\Roaming\XClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2028
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C:\Users\Admin\AppData\Roaming\XClient.exe"C:\Users\Admin\AppData\Roaming\XClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5012
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C:\Users\Admin\AppData\Roaming\XClient.exe"C:\Users\Admin\AppData\Roaming\XClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1896
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C:\Users\Admin\AppData\Roaming\XClient.exe"C:\Users\Admin\AppData\Roaming\XClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4604
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C:\Users\Admin\AppData\Roaming\XClient.exe"C:\Users\Admin\AppData\Roaming\XClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1088
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C:\Users\Admin\AppData\Roaming\XClient.exe"C:\Users\Admin\AppData\Roaming\XClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3380
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C:\Users\Admin\AppData\Roaming\XClient.exe"C:\Users\Admin\AppData\Roaming\XClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:972
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C:\Users\Admin\AppData\Roaming\XClient.exe"C:\Users\Admin\AppData\Roaming\XClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1404
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C:\Users\Admin\AppData\Roaming\XClient.exe"C:\Users\Admin\AppData\Roaming\XClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4816
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C:\Users\Admin\AppData\Roaming\XClient.exe"C:\Users\Admin\AppData\Roaming\XClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4364
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C:\Users\Admin\AppData\Roaming\XClient.exe"C:\Users\Admin\AppData\Roaming\XClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1064
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C:\Users\Admin\AppData\Roaming\XClient.exe"C:\Users\Admin\AppData\Roaming\XClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:688
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C:\Users\Admin\AppData\Roaming\XClient.exe"C:\Users\Admin\AppData\Roaming\XClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1408
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C:\Users\Admin\AppData\Roaming\XClient.exe"C:\Users\Admin\AppData\Roaming\XClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3400
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
654B
MD511c6e74f0561678d2cf7fc075a6cc00c
SHA1535ee79ba978554abcb98c566235805e7ea18490
SHA256d39a78fabca39532fcb85ce908781a75132e1bd01cc50a3b290dd87127837d63
SHA51232c63d67bf512b42e7f57f71287b354200126cb417ef9d869c72e0b9388a7c2f5e3b61f303f1353baa1bf482d0f17e06e23c9f50b2f1babd4d958b6da19c40b0
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Filesize
62KB
MD596fedf6b9bdef61b693c3c895e647ec9
SHA1d75b1c6021af31f40414e892d9fdc16132df9a82
SHA256aed72392c30af8bbd8d7d2978992fb0b499333741e799e1e14f285af74e3b9dc
SHA5123fab7337d135387c5ee923960985b0c58c7c45ce34c97e7a984549e805f6ddc71bde72ba83f9473fd48c8cd380e3e75674a21e2250d7eccfdcae011caea73384