Analysis
- user interaction
yes - max time kernel
150s - max time network
157s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
11/05/2026, 21:07
General
- Target OttoRon.exe
- Size 289KB
- Sample260511-zygrpses9k
- SHA256 0d947deaa2b46f66352475f170b4224b7212c382ea1b78ed3aa983d9150f2aca
Score
7/10
Malware Config
Signatures
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Modifies registry class 1 IoCs
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\OttoRon.exe"C:\Users\Admin\AppData\Local\Temp\OttoRon.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k SDRSVC1⤵
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\OttoRon.exe"C:\Users\Admin\AppData\Local\Temp\OttoRon.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1216-11-0x0000021FE6BE0000-0x0000021FE6C11000-memory.dmp
memory/1392-12-0x00000235AA390000-0x00000235AA3C1000-memory.dmp
memory/2352-17-0x000001A133E40000-0x000001A133E71000-memory.dmp
memory/5184-0-0x0000000140000000-0x0000000140039000-memory.dmp
memory/5184-4-0x000001F6D9E70000-0x000001F6D9EA1000-memory.dmp
memory/5184-10-0x000001F6D9E70000-0x000001F6D9EA1000-memory.dmp