Analysis
- max time kernel
158s - max time network
161s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
30/03/2024, 01:23
General
- Target sserv.exe
- Size 1.4MB
- Sample240330-brtkxsef67
- SHA256 414bb1af4fbb618c4889d69144c7f66591c6e5294d0ab3b7ea8b774946977cf2
Malware Config
Signatures
- Troldesh, Shade, Encoder.858
Troldesh is a ransomware spread by malspam.
- UPX packed file 21 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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 physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\sserv.exe"C:\Users\Admin\AppData\Local\Temp\sserv.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2232 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/408-0-0x0000000002360000-0x0000000002435000-memory.dmp
memory/408-1-0x0000000000400000-0x0000000000608000-memory.dmp
memory/408-2-0x0000000000400000-0x0000000000608000-memory.dmp
memory/408-3-0x0000000000400000-0x0000000000608000-memory.dmp
memory/408-4-0x0000000000400000-0x0000000000608000-memory.dmp
memory/408-5-0x0000000000400000-0x0000000000608000-memory.dmp
memory/408-8-0x0000000000400000-0x0000000000608000-memory.dmp
memory/408-11-0x0000000000400000-0x0000000000608000-memory.dmp
memory/408-12-0x0000000000400000-0x0000000000608000-memory.dmp
memory/408-13-0x0000000002360000-0x0000000002435000-memory.dmp
memory/408-14-0x0000000000400000-0x0000000000608000-memory.dmp
memory/408-15-0x0000000000400000-0x0000000000608000-memory.dmp
memory/408-16-0x0000000000400000-0x0000000000608000-memory.dmp
memory/408-17-0x0000000000400000-0x0000000000608000-memory.dmp
memory/408-18-0x0000000000400000-0x0000000000608000-memory.dmp
memory/408-21-0x0000000000400000-0x0000000000608000-memory.dmp
memory/408-22-0x0000000000400000-0x0000000000608000-memory.dmp
memory/408-23-0x0000000000400000-0x0000000000608000-memory.dmp
memory/408-24-0x0000000000400000-0x0000000000608000-memory.dmp
memory/408-25-0x0000000000400000-0x0000000000608000-memory.dmp
memory/408-26-0x0000000000400000-0x0000000000608000-memory.dmp
memory/408-27-0x0000000000400000-0x0000000000608000-memory.dmp
memory/408-28-0x0000000000400000-0x0000000000608000-memory.dmp