Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
25/08/2026, 18:14
General
- Target psl.exe
- Size 64KB
- Sample260825-wvb59sac92
- SHA256 68e81ce966ca0c016bb638d0d29b106a0da7eab2ddf70438d8182fa89baf5d78
Score
6/10
Malware Config
Signatures
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: LoadsDriver 2 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\psl.exe"C:\Users\Admin\AppData\Local\Temp\psl.exe"1⤵
- Adds Run key to start application
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C:\Windows\Temp\DCRCVDrv.sysC:\Windows\Temp\DCRCVDrv.sys1⤵
- Executes dropped EXE
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C:\Windows\system32\cmd.exe"cmd /c start "" /D "C:\ProgramData\winupdservices" psl.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\ProgramData\winupdservices\psl.exe"C:\ProgramData\winupdservices\psl.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"3⤵
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
libiconv-2.dll
libidn2-0.dll
libintl-8.dll
libpsl-5.dll
libunistring-5.dll
psl.exe
DCRCVDrv.sys
memory/536-9-0x00007FF60FB50000-0x00007FF60FB65000-memory.dmp
memory/2228-20-0x00007FF6B2860000-0x00007FF6B2875000-memory.dmp
memory/2340-2-0x0000000000010000-0x000000000003D000-memory.dmp