Analysis
- max time kernel
149s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
30/07/2026, 03:17
General
- Target e053e1dc7206b0965e0eff8d821e222b67d0d25cafbe3d24e77376171beffe59.exe
- Size 75KB
- Sample260730-ds7kaaba64
- SHA256 e053e1dc7206b0965e0eff8d821e222b67d0d25cafbe3d24e77376171beffe59
Malware Config
Extracted
-
xworm
-
vmprotectx.duckdns.org:2330
-
Install_directory
%AppData%
-
install_file
csrss.exe
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 2 IoCs
- Executes dropped EXE 3 IoCs
- Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- 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\e053e1dc7206b0965e0eff8d821e222b67d0d25cafbe3d24e77376171beffe59.exe"C:\Users\Admin\AppData\Local\Temp\e053e1dc7206b0965e0eff8d821e222b67d0d25cafbe3d24e77376171beffe59.exe"1⤵
- 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 "csrss" /tr "C:\Users\Admin\AppData\Roaming\csrss.exe"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\csrss.exeC:\Users\Admin\AppData\Roaming\csrss.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\csrss.exe"C:\Users\Admin\AppData\Roaming\csrss.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\csrss.exe"C:\Users\Admin\AppData\Roaming\csrss.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
csrss.exe
memory/2284-10-0x00007FFBDB390000-0x00007FFBDBD34000-memory.dmp
memory/2284-11-0x00007FFBDB390000-0x00007FFBDBD34000-memory.dmp
memory/2284-12-0x00007FFBDB390000-0x00007FFBDBD34000-memory.dmp
memory/5684-0-0x00007FFBDB51F000-0x00007FFBDB520000-memory.dmp
memory/5684-1-0x00000000002F0000-0x000000000030A000-memory.dmp
memory/5684-2-0x00007FFBDB390000-0x00007FFBDBD34000-memory.dmp
memory/5684-3-0x00007FFBDB390000-0x00007FFBDBD34000-memory.dmp
memory/5684-4-0x00007FFBDB390000-0x00007FFBDBD34000-memory.dmp
memory/5684-5-0x00007FFBDB390000-0x00007FFBDBD34000-memory.dmp
memory/5684-6-0x00007FFBDB390000-0x00007FFBDBD34000-memory.dmp