Analysis
- max time kernel
65s - max time network
126s - platform
windows11-21h2_x64 - resource
win11-20240611-en - resource tags
- submitted
12/06/2024, 09:42
General
- Target 06d84544def57fc2a83943252cfc66f0e2446ebada33df42210efe55cc74e61f.exe
- Size 1.6MB
- Sample240612-lprcwszdrd
- SHA256 06d84544def57fc2a83943252cfc66f0e2446ebada33df42210efe55cc74e61f
Malware Config
Extracted
-
stealc
Extracted
-
vidar
-
https://t.me/r8z0l
-
https://steamcommunity.com/profiles/76561199698764354
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
- Detect Vidar Stealer 8 IoCs
- Stealc
Stealc is an infostealer written in C++.
- Vidar
Vidar is an infostealer based on Arkei stealer.
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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
- Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\06d84544def57fc2a83943252cfc66f0e2446ebada33df42210efe55cc74e61f.exe"C:\Users\Admin\AppData\Local\Temp\06d84544def57fc2a83943252cfc66f0e2446ebada33df42210efe55cc74e61f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\kat949F.tmpC:\Users\Admin\AppData\Local\Temp\kat949F.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
kat949F.tmp
memory/924-0-0x0000000002300000-0x0000000002301000-memory.dmp
memory/924-1-0x0000000003F70000-0x0000000004080000-memory.dmp
memory/924-10-0x0000000000400000-0x0000000000594000-memory.dmp
memory/2956-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2956-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2956-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2956-20-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2956-21-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2956-24-0x00000000193A0000-0x00000000195FF000-memory.dmp
memory/2956-31-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2956-32-0x0000000000400000-0x0000000000648000-memory.dmp