Analysis
- max time kernel
149s - max time network
134s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
17/08/2026, 04:48
General
- Target RFQ B34245.vbs
- Size 1.5MB
- Sample260817-ffjc2ahe49
- 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 B34245.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\11FC0B49E\11FC0B49E.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⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
11FC0B49E.ps1
11FC0B49Ea
11FC0B49Eb
memory/944-17-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp
memory/944-19-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp
memory/944-8-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp
memory/944-7-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp
memory/944-6-0x0000021338090000-0x00000213380B2000-memory.dmp
memory/944-13-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp
memory/944-14-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp
memory/944-15-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp
memory/944-16-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp
memory/944-3-0x00007FFC7DBEF000-0x00007FFC7DBF0000-memory.dmp
memory/944-18-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp
memory/944-9-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp
memory/944-20-0x00000213383F0000-0x00000213385A0000-memory.dmp
memory/944-23-0x0000021338160000-0x000002133817E000-memory.dmp
memory/944-24-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp
memory/944-25-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp
memory/944-26-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp
memory/944-22-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp
memory/944-21-0x0000021338100000-0x0000021338158000-memory.dmp
memory/944-27-0x00000213386F0000-0x0000021338740000-memory.dmp
memory/944-28-0x0000021338910000-0x0000021338AD2000-memory.dmp
memory/944-30-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp
memory/944-31-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp
memory/944-32-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp