Analysis
- max time kernel
94s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
14/10/2024, 01:39
General
- Target 937eb23c0c68a34501be029aa11106e47cb2a3642de860a21dcc47983520e99c.exe
- Size 1023KB
- Sample241014-b3e7nszbrk
- SHA256 937eb23c0c68a34501be029aa11106e47cb2a3642de860a21dcc47983520e99c
Malware Config
Extracted
-
vidar
-
11.1
-
191375c1805c0d5109ea6297d63371b2
-
https://steamcommunity.com/profiles/76561199786602107
-
https://t.me/lpnjoke
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0
Signatures
- Detect Vidar Stealer 14 IoCs
- Vidar
Vidar is an infostealer based on Arkei stealer.
- Downloads MZ/PE file
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 2 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
- Accesses cryptocurrency files/wallets, 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.
- Suspicious use of SetThreadContext 1 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- 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.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\937eb23c0c68a34501be029aa11106e47cb2a3642de860a21dcc47983520e99c.exe"C:\Users\Admin\AppData\Local\Temp\937eb23c0c68a34501be029aa11106e47cb2a3642de860a21dcc47983520e99c.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\937eb23c0c68a34501be029aa11106e47cb2a3642de860a21dcc47983520e99c.exe"C:\Users\Admin\AppData\Local\Temp\937eb23c0c68a34501be029aa11106e47cb2a3642de860a21dcc47983520e99c.exe"2⤵
- Checks computer location settings
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
4Replay Monitor
Loading Replay Monitor...
Downloads
mozglue.dll
nss3.dll
memory/1056-29-0x0000000000400000-0x0000000000676000-memory.dmp
memory/1056-53-0x0000000000400000-0x0000000000676000-memory.dmp
memory/1056-11-0x0000000000400000-0x0000000000676000-memory.dmp
memory/1056-12-0x0000000000400000-0x0000000000676000-memory.dmp
memory/1056-13-0x0000000020630000-0x000000002088F000-memory.dmp
memory/1056-21-0x0000000000400000-0x0000000000676000-memory.dmp
memory/1056-79-0x0000000000400000-0x0000000000676000-memory.dmp
memory/1056-30-0x0000000000400000-0x0000000000676000-memory.dmp
memory/1056-46-0x0000000000400000-0x0000000000676000-memory.dmp
memory/1056-4-0x0000000000870000-0x0000000000974000-memory.dmp
memory/1056-54-0x0000000000400000-0x0000000000676000-memory.dmp
memory/1056-3-0x0000000000400000-0x0000000000676000-memory.dmp
memory/1056-1-0x0000000000400000-0x0000000000676000-memory.dmp
memory/1056-70-0x0000000000400000-0x0000000000676000-memory.dmp
memory/1056-77-0x0000000000400000-0x0000000000676000-memory.dmp
memory/1056-78-0x0000000000400000-0x0000000000676000-memory.dmp
memory/4920-0-0x000000000096A000-0x000000000096B000-memory.dmp