Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
13/08/2026, 12:13
General
- Target Yardstick-Setup.exe
- Size 12.4MB
- Sample260813-pdx8vayfqa
- SHA256 7f25586b31080dfff078af034aad77cfa440f5ad87d5025f063ac8818ee0c86d
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Yardstick-Setup.exe"C:\Users\Admin\AppData\Local\Temp\Yardstick-Setup.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-QQJY72FW3M.tmp\Yardstick-Setup.tmp"C:\Users\Admin\AppData\Local\Temp\is-QQJY72FW3M.tmp\Yardstick-Setup.tmp" /SL5="$400BC,11773239,961536,C:\Users\Admin\AppData\Local\Temp\Yardstick-Setup.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Yardstick-Setup.tmp
memory/1516-8-0x0000000000990000-0x0000000000A89000-memory.dmp
memory/1516-0-0x0000000000990000-0x0000000000A89000-memory.dmp
memory/4928-16-0x0000000000910000-0x0000000000D64000-memory.dmp
memory/4928-20-0x0000000000910000-0x0000000000D64000-memory.dmp
memory/4928-10-0x0000000001260000-0x0000000001261000-memory.dmp
memory/4928-12-0x0000000000910000-0x0000000000D64000-memory.dmp
memory/4928-14-0x0000000000910000-0x0000000000D64000-memory.dmp
memory/4928-6-0x0000000001260000-0x0000000001261000-memory.dmp
memory/4928-18-0x0000000000910000-0x0000000000D64000-memory.dmp
memory/4928-9-0x0000000000910000-0x0000000000D64000-memory.dmp
memory/4928-22-0x0000000000910000-0x0000000000D64000-memory.dmp
memory/4928-24-0x0000000000910000-0x0000000000D64000-memory.dmp
memory/4928-26-0x0000000000910000-0x0000000000D64000-memory.dmp
memory/4928-28-0x0000000000910000-0x0000000000D64000-memory.dmp
memory/4928-30-0x0000000000910000-0x0000000000D64000-memory.dmp
memory/4928-32-0x0000000000910000-0x0000000000D64000-memory.dmp
memory/4928-34-0x0000000000910000-0x0000000000D64000-memory.dmp
memory/4928-36-0x0000000000910000-0x0000000000D64000-memory.dmp