Analysis
- max time kernel
148s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
20/06/2024, 18:11
General
- Target XClient.exe
- Size 77KB
- Sample240620-wsqwms1arg
- SHA256 e54ff3103cb842a3d6266b4c8fb1913d7ed1117156564ff50ae243068d927124
Malware Config
Extracted
-
xworm
-
3.0
-
meet-showtimes.gl.at.ply.gg:33561
-
xCAdXD6rKuZ3Q8VA
-
Install_directory
%AppData%
-
install_file
USB.exe
Signatures
- Detect Xworm Payload 2 IoCs
- Xworm
Xworm is a remote access trojan written in C#.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 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 4 IoCs
- Suspicious use of WriteProcessMemory 2 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\XClient.exe"C:\Users\Admin\AppData\Local\Temp\XClient.exe"1⤵
- Checks computer location settings
- 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 "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
XClient.exe.log
XClient.exe
memory/3056-0-0x00007FFBF0A03000-0x00007FFBF0A05000-memory.dmp
memory/3056-1-0x0000000000B30000-0x0000000000B48000-memory.dmp
memory/3056-3-0x00007FFBF0A00000-0x00007FFBF14C1000-memory.dmp
memory/3056-4-0x00007FFBF0A00000-0x00007FFBF14C1000-memory.dmp
memory/3192-7-0x00007FFBF0A00000-0x00007FFBF14C1000-memory.dmp
memory/3192-9-0x00007FFBF0A00000-0x00007FFBF14C1000-memory.dmp