Analysis
- max time kernel
298s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
01/10/2026, 09:09
General
- Target TRS00200090002026.js
- Size 2.5MB
- Sample261001-k4htmaga62
- SHA256 d870fa9603f591b5de7cc26e634a5d4de45fcd4a3de437d886185f81dcd05e53
Malware Config
Extracted
-
vipkeylogger
-
https://api.telegram.org/bot7668872779:AAEyXWomICpzgqHnENE_dd-ACXhRJVvm_-0/sendMessage?chat_id=2086276098
Signatures
- Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
- Family: VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Detects DonutLoader 1 IoCs
- Executes dropped EXE 1 IoCs
- 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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 1 TTPs 11 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of FindShellTrayWindow 3 IoCs
- Suspicious use of SendNotifyMessage 3 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
- Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\TRS00200090002026.js1⤵
- Suspicious use of WriteProcessMemory
-
C:\ProgramData\App_9umdms31\support.exe"C:\ProgramData\App_9umdms31\support.exe" "C:\ProgramData\App_9umdms31\au.dat"2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- outlook_office_path
- outlook_win_path
-
-
C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
app.zip
au.dat
au.ini
support.exe
memory/5828-58-0x0000000004010000-0x0000000004051000-memory.dmp
memory/5828-59-0x0000000007D00000-0x0000000007D3E000-memory.dmp
memory/5828-60-0x00000000084C0000-0x0000000008A7A000-memory.dmp
memory/5828-61-0x0000000007E50000-0x0000000007EEC000-memory.dmp
memory/5828-62-0x000000000A450000-0x000000000A612000-memory.dmp
memory/5828-63-0x0000000008390000-0x00000000083E0000-memory.dmp
memory/5828-64-0x000000000A320000-0x000000000A3B2000-memory.dmp
memory/5828-65-0x000000000A2D0000-0x000000000A2DA000-memory.dmp