Analysis
- max time kernel
150s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
28/09/2026, 00:27
General
- Target hp.exe
- Size 930KB
- Sample260928-arqzcsswfw
- SHA256 0f017eac0a0bd2f5c04a2be165a1f3e9d3146b9bf20e6cc7f96c183471c8802d
Malware Config
Signatures
- Family: Troldesh, Shade, Encoder.858
Troldesh is a ransomware spread by malspam.
- Executes dropped EXE 1 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suricata alert: Tor Node X.509 Certificate Pattern Detected - Inbound 2 IoCs
Network activity triggered a Suricata alert
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- UPX packed file 27 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
- 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.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\hp.exe"C:\Users\Admin\AppData\Local\Temp\hp.exe"1⤵
- Suricata alert: Tor Node X.509 Certificate Pattern Detected - Inbound
- Adds Run key to start application
- Enumerates connected drives
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
C:\ProgramData\Windows\csrss.exe"C:\ProgramData\Windows\csrss.exe"1⤵
- Executes dropped EXE
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
csrss.exe
memory/2436-32-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2436-28-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2436-4-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2436-3-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2436-5-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2436-1-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2436-43-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2436-42-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2436-41-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2436-40-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2436-39-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2436-19-0x0000000002410000-0x00000000024E5000-memory.dmp
memory/2436-20-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2436-21-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2436-2-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2436-0-0x0000000002410000-0x00000000024E5000-memory.dmp
memory/2436-36-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2436-29-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2436-30-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2436-31-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2436-38-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2436-33-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2436-37-0x0000000000400000-0x0000000000608000-memory.dmp
memory/3384-22-0x0000000000400000-0x0000000000608000-memory.dmp
memory/3384-27-0x0000000000400000-0x0000000000608000-memory.dmp
memory/3384-18-0x0000000000400000-0x0000000000608000-memory.dmp
memory/3384-16-0x0000000000400000-0x0000000000608000-memory.dmp
memory/3384-17-0x0000000000400000-0x0000000000608000-memory.dmp
memory/3384-14-0x0000000000400000-0x0000000000608000-memory.dmp
memory/3384-13-0x0000000000400000-0x0000000000608000-memory.dmp