Analysis
- max time kernel
149s - max time network
169s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
04/06/2022, 00:06
General
- Target 11c7f7c613458cad2e9a1a083c506a573893df77e30a337762e2cc5096564519.exe
- Size 652KB
- Sample220604-ady3taeehn
- SHA256 11c7f7c613458cad2e9a1a083c506a573893df77e30a337762e2cc5096564519
Malware Config
Extracted
-
vidar
-
5
-
193
-
http://kolobkoproms.ug/
-
profile_id
193
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- Vidar
Vidar is an infostealer based on Arkei stealer.
- Vidar log file 1 IoCs
Detects a log file produced by Vidar.
- suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
- Vidar Stealer 2 IoCs
- Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses 2FA software files, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\11c7f7c613458cad2e9a1a083c506a573893df77e30a337762e2cc5096564519.exe"C:\Users\Admin\AppData\Local\Temp\11c7f7c613458cad2e9a1a083c506a573893df77e30a337762e2cc5096564519.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2660-130-0x00000000008AC000-0x0000000000903000-memory.dmp
memory/2660-131-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2660-132-0x00000000008AC000-0x0000000000903000-memory.dmp
memory/2660-133-0x0000000000400000-0x00000000004C3000-memory.dmp