Analysis
- max time kernel
121s - max time network
126s - platform
windows7_x64 - resource
win7-20240221-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.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- UPX packed file 9 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 2 IoCs
- Suspicious use of UnmapMainImage 1 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
- Suspicious use of UnmapMainImage
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2756-0-0x0000000001DA0000-0x0000000001E75000-memory.dmp
memory/2756-1-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2756-2-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2756-3-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2756-4-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2756-5-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2756-6-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2756-8-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2756-11-0x0000000001DA0000-0x0000000001E75000-memory.dmp
memory/2756-12-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2756-13-0x0000000000400000-0x0000000000608000-memory.dmp