Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
04/07/2026, 21:46
General
- Target tmps_yxexb8.exe
- Size 168KB
- Sample260704-1mzzksh16m
- SHA256 2f3bca7c8d1f6bbb5d4540dd15dbb9b844889913854cfa9eafc0194e4fc031c4
Score
7/10
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
- UPX packed file 6 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\tmps_yxexb8.exe"C:\Users\Admin\AppData\Local\Temp\tmps_yxexb8.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\ProgramData\AhnLab\AhnSvc.exe"C:\ProgramData\AhnLab\AhnSvc.exe" /run2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\tmps_yxexb8.exe" >> NUL2⤵
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
AhnSvc.exe
memory/724-0-0x00000000008C0000-0x00000000008EA000-memory.dmp
memory/724-8-0x00000000008C0000-0x00000000008EA000-memory.dmp
memory/1076-7-0x0000000000450000-0x000000000047A000-memory.dmp
memory/1076-9-0x0000000000450000-0x000000000047A000-memory.dmp
memory/1076-10-0x0000000000450000-0x000000000047A000-memory.dmp