Analysis
- max time kernel
146s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
29/06/2024, 10:37
General
- Target 29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe
- Size 2.2MB
- Sample240629-mpa7cayepn
- SHA256 29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5
Malware Config
Extracted
-
vidar
-
https://t.me/g067n
-
https://steamcommunity.com/profiles/76561199707802586
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0
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 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe"C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\kat688D.tmpC:\Users\Admin\AppData\Local\Temp\kat688D.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
kat688D.tmp
memory/2532-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2532-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2532-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2532-22-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2532-23-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2532-25-0x000000002D120000-0x000000002D37F000-memory.dmp
memory/2532-40-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2532-41-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4764-0-0x0000000002480000-0x0000000002481000-memory.dmp
memory/4764-1-0x0000000004010000-0x0000000004120000-memory.dmp
memory/4764-9-0x0000000000400000-0x0000000000635000-memory.dmp