Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
18/08/2026, 11:03
General
- Target RFQ#PO - PO25-08-888.vbs
- Size 1.5MB
- Sample260818-m51ryassbx
- SHA256 11167bd52115a338895b2f6c9929718bd8ef50b9bfa7b3d01da11a523fdd2a95
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.trimnt.com
-
Port
587
-
Username
-
Password
Vd4_wKiUILWQ*tRY
Extracted
-
masslogger
-
exfiltration_mode
#SMTPEnabled
-
expire_time_date
00-00-0000
-
host_password
Vd4_wKiUILWQ*tRY
-
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.
- Badlisted process makes network request 3 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 1 TTPs 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 1 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
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RFQ#PO - PO25-08-888.vbs"1⤵
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoP -EP Bypass -NonInteractive -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\529EEB49E\529EEB49E.ps1"2⤵
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
-
C:\Windows\system32\wscript.exewscript.exe1⤵
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
529EEB49E.ps1
529EEB49Ea
529EEB49Eb
memory/5100-15-0x00007FF914BF0000-0x00007FF915594000-memory.dmp
memory/5100-17-0x000001B4EF1A0000-0x000001B4EF1F8000-memory.dmp
memory/5100-10-0x00007FF914BF0000-0x00007FF915594000-memory.dmp
memory/5100-8-0x00007FF914BF0000-0x00007FF915594000-memory.dmp
memory/5100-7-0x00007FF914BF0000-0x00007FF915594000-memory.dmp
memory/5100-6-0x000001B4EF100000-0x000001B4EF122000-memory.dmp
memory/5100-14-0x00007FF914BF0000-0x00007FF915594000-memory.dmp
memory/5100-3-0x00007FF914D7F000-0x00007FF914D80000-memory.dmp
memory/5100-16-0x000001B4EF4D0000-0x000001B4EF680000-memory.dmp
memory/5100-9-0x00007FF914BF0000-0x00007FF915594000-memory.dmp
memory/5100-18-0x000001B4EF170000-0x000001B4EF18E000-memory.dmp
memory/5100-19-0x000001B4EF7D0000-0x000001B4EF820000-memory.dmp
memory/5100-20-0x00007FF914BF0000-0x00007FF915594000-memory.dmp
memory/5100-21-0x00007FF914BF0000-0x00007FF915594000-memory.dmp
memory/5100-22-0x00007FF914BF0000-0x00007FF915594000-memory.dmp
memory/5100-23-0x000001B4EF9F0000-0x000001B4EFBB2000-memory.dmp
memory/5100-24-0x000001B4EF210000-0x000001B4EF23D000-memory.dmp
memory/5100-26-0x00007FF914BF0000-0x00007FF915594000-memory.dmp
memory/5100-27-0x00007FF914BF0000-0x00007FF915594000-memory.dmp
memory/5100-28-0x00007FF914BF0000-0x00007FF915594000-memory.dmp