Analysis
- max time kernel
149s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/07/2026, 19:06
Static task
static1
Behavioral task
behavioral1
Sample
nsecured_stub.ps1
Resource
win10v2004-20260513-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
nsecured_stub.ps1
Resource
win11ltsc2024-20260709-en
8 signatures
150 seconds
General
- Target nsecured_stub.ps1
- Size 794KB
- Sample260720-xsd3hsd18s
- SHA256 bc7493c7253c423bba4e1bd4790fb1a2c6517e7424d8553cdf4a96552a99a91f
- MD5 76aa41261f79949f8366f9ce5b123b94
- SHA1 2ab98fea13503c5dea67b685660cfd5f02bed616
- SHA512 c8d8e1ed714ec7d38d4d0fdea9fd742ea300dbe7bf4ad77edc5d45033c58aec1a9a066785a331841af08831b21510224eb656ace0fda61437d970b6fef683838
- SSDEEP 24576:I3ZexGcze+0382roY1bXqNGhQcJDcEsNFc/dACHUe5Ypx7qNEi2HXO6mcKDsMzOv:B
- TLSH T11405CABC6E4C5FDBE8B76A20891978F550570A3C6B19F9C78852B8E333C36BC6587418
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Extracted
Family
-
masslogger
Attributes
-
exfiltration_mode
#SMTPEnabled
-
expire_time_date
00-00-0000
-
host_password
Zs5s*QVx(4yLLl*1
-
host_port
587
- host_receiver
- host_sender
-
host_server
mail.trimnt.com
-
ssl_slate
True
Signatures
- Family: MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 1 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4816 set thread context of 3556 4816 PowerShell.exe 96 -
pid Process 4816 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 aspnet_compiler.exe - Suspicious behavior: EnumeratesProcesses 45 IoCs
pid Process 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe 4816 PowerShell.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4816 PowerShell.exe Token: SeDebugPrivilege 3556 aspnet_compiler.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4816 wrote to memory of 1364 4816 PowerShell.exe 90 PID 4816 wrote to memory of 4928 4816 PowerShell.exe 91 PID 4816 wrote to memory of 5664 4816 PowerShell.exe 92 PID 4816 wrote to memory of 3392 4816 PowerShell.exe 93 PID 4816 wrote to memory of 5844 4816 PowerShell.exe 94 PID 4816 wrote to memory of 624 4816 PowerShell.exe 95 PID 4816 wrote to memory of 3556 4816 PowerShell.exe 96 PID 4816 wrote to memory of 3556 4816 PowerShell.exe 96 PID 4816 wrote to memory of 3556 4816 PowerShell.exe 96 PID 4816 wrote to memory of 3556 4816 PowerShell.exe 96 PID 4816 wrote to memory of 3556 4816 PowerShell.exe 96
Processes
-
C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\nsecured_stub.ps11⤵
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4816 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"2⤵PID:1364
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"2⤵PID:4928
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"2⤵PID:5664
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"2⤵PID:3392
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"2⤵PID:5844
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"2⤵PID:624
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3556
-