Analysis
- max time kernel
298s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20260911-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
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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
- 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⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\ProgramData\App_jygqxbw6\support.exe"C:\ProgramData\App_jygqxbw6\support.exe" "C:\ProgramData\App_jygqxbw6\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
lr_9f301e6b2f0c4882a8187d908c4595a7.db
memory/3360-52-0x0000000007370000-0x0000000007380000-memory.dmp
memory/3360-54-0x0000000007370000-0x0000000007380000-memory.dmp
memory/3360-49-0x0000000007370000-0x0000000007380000-memory.dmp
memory/3360-50-0x0000000007930000-0x0000000007ED4000-memory.dmp
memory/3360-51-0x0000000007380000-0x000000000741C000-memory.dmp
memory/3360-47-0x0000000007370000-0x0000000007380000-memory.dmp
memory/3360-53-0x0000000007370000-0x0000000007380000-memory.dmp
memory/3360-48-0x00000000071A0000-0x00000000071DE000-memory.dmp
memory/3360-55-0x0000000007370000-0x0000000007380000-memory.dmp
memory/3360-56-0x00000000094B0000-0x0000000009672000-memory.dmp
memory/3360-64-0x0000000007810000-0x0000000007860000-memory.dmp
memory/3360-46-0x0000000004200000-0x0000000004241000-memory.dmp
memory/3360-73-0x0000000007370000-0x0000000007380000-memory.dmp
memory/3360-74-0x00000000093A0000-0x0000000009432000-memory.dmp
memory/3360-75-0x0000000009350000-0x000000000935A000-memory.dmp