Analysis
- max time kernel
149s - max time network
97s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
21/03/2026, 07:35
General
- Target Trojan-Ransom.Win32.Shade.exe
- Size 1.4MB
- Sample260321-jepefaa14k
- SHA256 51d0aaeab5478e535162cc12888d2e3e2d4f41367f9815cc4fabb5541531b299
Malware Config
Signatures
- Troldesh 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.
- 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.
- UPX packed file 28 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).
- 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\Trojan-Ransom.Win32.Shade.exe"C:\Users\Admin\AppData\Local\Temp\Trojan-Ransom.Win32.Shade.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
C:\ProgramData\Windows\csrss.exe"C:\ProgramData\Windows\csrss.exe"1⤵
- Executes dropped EXE
- 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/4536-22-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4536-19-0x0000000002260000-0x0000000002335000-memory.dmp
memory/4536-3-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4536-4-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4536-8-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4536-7-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4536-5-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4536-1-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4536-58-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4536-20-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4536-56-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4536-54-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4536-52-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4536-44-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4536-21-0x0000000000820000-0x000000000089A000-memory.dmp
memory/4536-0-0x0000000002260000-0x0000000002335000-memory.dmp
memory/4536-2-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4536-50-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4536-48-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4536-46-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4536-31-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4536-33-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4536-34-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4536-36-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4536-38-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4536-40-0x0000000000400000-0x0000000000608000-memory.dmp
memory/5716-14-0x0000000000400000-0x0000000000608000-memory.dmp
memory/5716-29-0x00000000025D0000-0x00000000025E2000-memory.dmp
memory/5716-17-0x0000000000400000-0x0000000000608000-memory.dmp
memory/5716-28-0x0000000000D00000-0x0000000000D7A000-memory.dmp
memory/5716-18-0x0000000000400000-0x0000000000608000-memory.dmp
memory/5716-16-0x0000000000400000-0x0000000000608000-memory.dmp
memory/5716-30-0x0000000000400000-0x0000000000608000-memory.dmp
memory/5716-13-0x0000000000400000-0x0000000000608000-memory.dmp