Analysis
- max time kernel
148s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
30/10/2026, 09:48
General
- Target RuntimeBroker.exe
- Size 84KB
- Sample261030-ls75tabs4s
- SHA256 b6a88e0ef2c31c56e8dd06d75086331d782da084202bf2a79141767af1b57421
Malware Config
Signatures
- Executes a file named after a Windows system binary 1 TTPs 1 IoCs
The file runs from a user directory while carrying the name of an executable that normally only exists in System32.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- ConfuserEx .NET packer 1 IoCs
Detects ConfuserEx .NET packer.
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe"C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe"1⤵
- Executes a file named after a Windows system binary
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/4672-0-0x00007FFF1A7AF000-0x00007FFF1A7B0000-memory.dmp
memory/4672-1-0x0000000000940000-0x000000000095A000-memory.dmp
memory/4672-2-0x0000000001D70000-0x0000000001D76000-memory.dmp
memory/4672-3-0x00007FFF1A620000-0x00007FFF1AFC4000-memory.dmp
memory/4672-4-0x00007FFF1A620000-0x00007FFF1AFC4000-memory.dmp
memory/4672-5-0x00007FFF1A620000-0x00007FFF1AFC4000-memory.dmp
memory/4672-6-0x0000000001DD0000-0x0000000001DE2000-memory.dmp
memory/4672-7-0x00007FFF1A620000-0x00007FFF1AFC4000-memory.dmp
memory/4672-8-0x00007FFF1A620000-0x00007FFF1AFC4000-memory.dmp
memory/4672-9-0x00007FFF1A620000-0x00007FFF1AFC4000-memory.dmp
memory/4672-10-0x00007FFF1A620000-0x00007FFF1AFC4000-memory.dmp
memory/4672-11-0x00007FFF1A620000-0x00007FFF1AFC4000-memory.dmp