Analysis
- max time kernel
149s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/10/2026, 12:16
Static task
static1
Behavioral task
behavioral1
Sample
secured_stub.ps1
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
secured_stub.ps1
Resource
win11ltsc2024-20260911-en
General
- Target secured_stub.ps1
- Size 1.2MB
- Sample261002-pffftavyhy
- SHA256 395a80be300c5071cd724635ad13adea2d97d9a02fe48fec294d45ff486bbec1
- MD5 5827dc1baea1fc1b9ca68f39e4e0bd90
- SHA1 84a69b7cdc279b377b3695d8d491542913d3d033
- SHA512 4ea8f2c311bfea5cee7078d9ef8653f42d6c6175ea15fccf784dccc2abb920162993d9d2667df8e48deb42d8d04d6eb1203ef1270226a9145451dc58c235de66
- SSDEEP 24576:dcSYsJ3kM0S/E5DKnsRNCKnLG8oFjBz3KAyGGwsPh:dceQjZUIyDxGdh
- TLSH T1954523788B9D4ADF0500E5F47A5B784560E91A834E892316A37CC3F035E6EECDAA3CD5
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
vipkeylogger
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Protocol
smtp
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Host
hosting2.ro.hostsailor.com
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Port
587
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Username
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Password
7213575aceACE@@#
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Email to
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https://api.telegram.org/bot8099843793:AAGeYKMLti1IpyT9o6bz7OtgdXF9md25uXA/sendMessage?chat_id=6337180137
Signatures
- Family: VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 caspol.exe Key opened \REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 caspol.exe Key opened \REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 caspol.exe - Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
ioc Process \??\F:\ powershell.exe - 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.
flow ioc 35 reallyfreegeoip.org 21 checkip.dyndns.org 23 reallyfreegeoip.org 25 reallyfreegeoip.org 26 reallyfreegeoip.org 31 reallyfreegeoip.org 32 reallyfreegeoip.org 34 reallyfreegeoip.org 24 reallyfreegeoip.org 27 reallyfreegeoip.org 28 reallyfreegeoip.org - ConfuserEx .NET packer 2 IoCs
Detects ConfuserEx .NET packer.
resource yara_rule behavioral1/memory/4384-11-0x000002880DA80000-0x000002880DA94000-memory.dmp ConfuserEx behavioral1/memory/4384-14-0x000002880DAA0000-0x000002880DAB4000-memory.dmp ConfuserEx - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4384 set thread context of 5048 4384 powershell.exe 101 -
pid Process 4384 powershell.exe - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language caspol.exe - Suspicious behavior: EnumeratesProcesses 50 IoCs
pid Process 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 5048 caspol.exe 4384 powershell.exe 5048 caspol.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4384 powershell.exe Token: SeDebugPrivilege 5048 caspol.exe - Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 4384 wrote to memory of 2424 4384 powershell.exe 86 PID 4384 wrote to memory of 4036 4384 powershell.exe 87 PID 4384 wrote to memory of 3304 4384 powershell.exe 88 PID 4384 wrote to memory of 2264 4384 powershell.exe 89 PID 4384 wrote to memory of 4828 4384 powershell.exe 90 PID 4384 wrote to memory of 4040 4384 powershell.exe 98 PID 4384 wrote to memory of 3368 4384 powershell.exe 99 PID 4384 wrote to memory of 1868 4384 powershell.exe 100 PID 4384 wrote to memory of 5048 4384 powershell.exe 101 PID 4384 wrote to memory of 5048 4384 powershell.exe 101 PID 4384 wrote to memory of 5048 4384 powershell.exe 101 PID 4384 wrote to memory of 5048 4384 powershell.exe 101 PID 4384 wrote to memory of 5048 4384 powershell.exe 101 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 caspol.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 caspol.exe
Processes
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\secured_stub.ps11⤵
- Enumerates connected drives
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4384 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"2⤵PID:2424
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"2⤵PID:4036
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"2⤵PID:3304
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"2⤵PID:2264
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"2⤵PID:4828
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"2⤵PID:4040
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"2⤵PID:3368
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"2⤵PID:1868
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.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
PID:5048
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ddqyfa0b.luy.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH