Analysis
- max time kernel
145s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
- submitted
05/10/2023, 12:52
General
- Target taskhosts.exe
- Size 31KB
- Sample231005-p3284ada36
- SHA256 cbfb37a30549dfc3b45cb0619d9f810f8ea32c59e63aa91a21ab8d4192f74c72
Score
10/10
Malware Config
Extracted
Family
-
xworm
Version
-
3.1
C2
-
miles-c.at.ply.gg:49826
Mutex
-
qzx0AtyVDsrQphps
Attributes
-
install_file
USB.exe
aes.plain
Signatures
- Detect Xworm Payload 1 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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of AdjustPrivilegeToken 1 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\taskhosts.exe"C:\Users\Admin\AppData\Local\Temp\taskhosts.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 "taskhosts" /tr "C:\Users\Admin\AppData\Roaming\taskhosts.exe"2⤵
- Creates scheduled task(s)
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/3464-0-0x0000000000DF0000-0x0000000000DFE000-memory.dmp
memory/3464-1-0x00007FFA5C070000-0x00007FFA5CB31000-memory.dmp
memory/3464-3-0x000000001BAD0000-0x000000001BAE0000-memory.dmp
memory/3464-4-0x00007FFA5C070000-0x00007FFA5CB31000-memory.dmp
memory/3464-5-0x000000001BAD0000-0x000000001BAE0000-memory.dmp