Analysis
- max time kernel
164s - max time network
155s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
17/08/2026, 12:30
General
- Target ultraviewer-6.6.127-installer.exe
- Size 2.0MB
- Sample260817-ppfsyabd98
- SHA256 bb09166e4fdfe8c97afb3470e349c0656acdb9ed108d66053a935e45151cfb62
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Checks for any installed AV software in registry 1 TTPs 9 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
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
- Suspicious behavior: EnumeratesProcesses 12 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ultraviewer-6.6.127-installer.exe"C:\Users\Admin\AppData\Local\Temp\ultraviewer-6.6.127-installer.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-C3CMQZR7TG.tmp\ultraviewer-6.6.127-installer.tmp"C:\Users\Admin\AppData\Local\Temp\is-C3CMQZR7TG.tmp\ultraviewer-6.6.127-installer.tmp" /SL5="$300B4,848247,840704,C:\Users\Admin\AppData\Local\Temp\ultraviewer-6.6.127-installer.exe"2⤵
- Executes dropped EXE
- Checks for any installed AV software in registry
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
100.png
101.png
image.png
ultraviewer-6.6.127-installer.tmp
memory/2412-28-0x0000000006260000-0x00000000063A0000-memory.dmp
memory/2412-6-0x0000000001260000-0x0000000001261000-memory.dmp
memory/2412-22-0x0000000001260000-0x0000000001261000-memory.dmp
memory/2412-45-0x0000000000A90000-0x0000000000EC6000-memory.dmp
memory/2412-23-0x0000000000A90000-0x0000000000EC6000-memory.dmp
memory/2412-20-0x0000000006260000-0x00000000063A0000-memory.dmp
memory/2412-43-0x0000000000A90000-0x0000000000EC6000-memory.dmp
memory/2412-29-0x0000000006260000-0x00000000063A0000-memory.dmp
memory/2412-30-0x0000000006260000-0x00000000063A0000-memory.dmp
memory/2412-19-0x0000000006260000-0x00000000063A0000-memory.dmp
memory/2412-35-0x0000000006260000-0x00000000063A0000-memory.dmp
memory/2412-34-0x0000000006260000-0x00000000063A0000-memory.dmp
memory/2412-37-0x0000000000A90000-0x0000000000EC6000-memory.dmp
memory/2412-38-0x0000000006260000-0x00000000063A0000-memory.dmp
memory/2412-39-0x0000000006260000-0x00000000063A0000-memory.dmp
memory/2412-41-0x0000000000A90000-0x0000000000EC6000-memory.dmp
memory/3708-0-0x00000000007B0000-0x000000000088C000-memory.dmp
memory/3708-21-0x00000000007B0000-0x000000000088C000-memory.dmp