Analysis
- max time kernel
149s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
27/10/2026, 12:48
General
- Target USB-of_on-Setup.exe
- Size 2.2MB
- Sample261027-p14zxade92
- SHA256 536a6ce0d4bdeced4e9107ac8e5e20f4486a58e8f9aa8c9baec1663dca556a99
Score
7/10
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\USB-of_on-Setup.exe"C:\Users\Admin\AppData\Local\Temp\USB-of_on-Setup.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-1ZCFOHUB8U.tmp\USB-of_on-Setup.tmp"C:\Users\Admin\AppData\Local\Temp\is-1ZCFOHUB8U.tmp\USB-of_on-Setup.tmp" /SL5="$601C6,1058554,870400,C:\Users\Admin\AppData\Local\Temp\USB-of_on-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
USB-of_on-Setup.tmp
memory/752-0-0x00000000001C0000-0x00000000002A3000-memory.dmp
memory/752-7-0x00000000001C0000-0x00000000002A3000-memory.dmp
memory/4364-5-0x0000000001770000-0x0000000001771000-memory.dmp
memory/4364-9-0x0000000001770000-0x0000000001771000-memory.dmp
memory/4364-8-0x0000000000C10000-0x000000000104D000-memory.dmp