Analysis
- max time kernel
148s - max time network
115s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
15/10/2026, 14:17
General
- Target FSD987654567800098765456.js
- Size 3.7MB
- Sample261015-rlwq4a112m
- SHA256 2dbed107127b850e1efa948bb74158a7adc3b0446baa91f7d5ac4ac32b798c2a
Malware Config
Extracted
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vipkeylogger
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).
- Executes a command shell one-liner 1 TTPs 3 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- 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.
- Modifies registry class 2 IoCs
- NTFS ADS 1 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 6 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.
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\FSD987654567800098765456.js1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c echo. > "C:\Users\Admin\AppData\Local\Temp\FSD987654567800098765456.js:Zone.Identifier"2⤵
- Executes a command shell one-liner
- NTFS ADS
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C:\Users\Admin\Documents\KSGHTNFQKLMFRYRD.exe"C:\Users\Admin\Documents\KSGHTNFQKLMFRYRD.exe" C:\Users\Admin\Documents\DRYRFMLKQFNTHGSK2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c schtasks /query /tn "KSGHTNFQKLMFRYRD" 2>nul3⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /query /tn "KSGHTNFQKLMFRYRD"4⤵
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c schtasks /create /sc minute /mo 10 /tn "KSGHTNFQKLMFRYRD" /tr "wscript.exe \"C:\Users\Admin\Documents\DRYRFMLKQFNTHGSK.vbs\"" /ru "Admin" /f /it3⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 10 /tn "KSGHTNFQKLMFRYRD" /tr "wscript.exe \"C:\Users\Admin\Documents\DRYRFMLKQFNTHGSK.vbs\"" /ru "Admin" /f /it4⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\wscript.exewscript.exe1⤵
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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
Execution
Command and Scripting Interpreter
2JavaScript
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
DRYRFMLKQFNTHGSK
KSGHTNFQKLMFRYRD.exe
KSGHTNFQKLMFRYRD.mui
memory/2948-12-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-11-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-13-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-14-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-17-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-19-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-24-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-23-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-22-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-21-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-20-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-18-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-27-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-31-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-30-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-28-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-26-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-25-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-29-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-32-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-59-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-62-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-61-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-60-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-58-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-57-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-56-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-55-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-54-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-53-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-52-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-51-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-50-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-49-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-48-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-47-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-46-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-45-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-44-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-43-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-40-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-41-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-38-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-37-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-36-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-35-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-34-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-42-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-39-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-33-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2948-63-0x0000000014D50000-0x0000000015D50000-memory.dmp
memory/2948-64-0x0000000027810000-0x000000002784C000-memory.dmp
memory/2948-65-0x0000000000400000-0x000000000047B000-memory.dmp
memory/2948-66-0x0000000028500000-0x00000000286C2000-memory.dmp
memory/2948-67-0x00000000286E0000-0x0000000028730000-memory.dmp