Analysis
- max time kernel
299s - max time network
131s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
02/11/2026, 04:24
General
- Target FT-434213.vbs
- Size 218KB
- Sample261102-e1vfcsg16q
- SHA256 1f1e4e8fe8c8f90542c6b95ba133be5a5b0eaf6034709d2e8b61b02b9522a9ff
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.merchantinvestnetwork.com
-
Port
587
-
Username
-
Password
2)D?sbbRb+m_{l8%
Extracted
-
masslogger
-
exfiltration_mode
#SMTPEnabled
-
expire_time_date
00-00-0000
-
host_password
2)D?sbbRb+m_{l8%
-
host_port
587
- host_receiver
- host_sender
-
host_server
mail.merchantinvestnetwork.com
-
ssl_slate
True
Signatures
- Family: MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- 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
- Suspicious use of SetThreadContext 1 IoCs
- 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 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
- 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\FT-434213.vbs"1⤵
- Executes a VBScript file via the Windows Script Host.
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden -NoProfile -NonInteractive -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\rec_3e04249a.ps1"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe3⤵
- 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
Replay Monitor
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Downloads
rec_3e04249a.ps1
memory/4396-18-0x0000000007050000-0x00000000070E6000-memory.dmp
memory/4396-23-0x00000000747F0000-0x0000000074FAC000-memory.dmp
memory/4396-5-0x0000000004FC0000-0x000000000560A000-memory.dmp
memory/4396-6-0x00000000747F0000-0x0000000074FAC000-memory.dmp
memory/4396-7-0x0000000005640000-0x0000000005662000-memory.dmp
memory/4396-8-0x00000000057E0000-0x0000000005846000-memory.dmp
memory/4396-9-0x0000000005850000-0x00000000058B6000-memory.dmp
memory/4396-12-0x00000000058C0000-0x0000000005C1B000-memory.dmp
memory/4396-13-0x0000000005DD0000-0x0000000005DEE000-memory.dmp
memory/4396-14-0x0000000005E40000-0x0000000005E8C000-memory.dmp
memory/4396-3-0x00000000028F0000-0x0000000002926000-memory.dmp
memory/4396-16-0x0000000007600000-0x0000000007C7C000-memory.dmp
memory/4396-17-0x0000000006360000-0x000000000637A000-memory.dmp
memory/4396-2-0x0000000074802000-0x0000000074803000-memory.dmp
memory/4396-4-0x00000000747F0000-0x0000000074FAC000-memory.dmp
memory/4396-33-0x00000000747F0000-0x0000000074FAC000-memory.dmp
memory/4396-31-0x0000000074802000-0x0000000074803000-memory.dmp
memory/4396-24-0x00000000071C0000-0x00000000071DA000-memory.dmp
memory/4396-25-0x00000000071F0000-0x00000000071F8000-memory.dmp
memory/4396-32-0x00000000747F0000-0x0000000074FAC000-memory.dmp
memory/4396-20-0x0000000008240000-0x00000000087FA000-memory.dmp
memory/4396-19-0x0000000006FF0000-0x0000000007012000-memory.dmp
memory/4728-28-0x0000000004AE0000-0x0000000004B7C000-memory.dmp
memory/4728-26-0x0000000000400000-0x000000000041C000-memory.dmp
memory/4728-27-0x00000000747F0000-0x0000000074FAC000-memory.dmp
memory/4728-34-0x0000000005AF0000-0x0000000005B40000-memory.dmp
memory/4728-35-0x0000000005E10000-0x0000000005FD2000-memory.dmp
memory/4728-36-0x0000000005D30000-0x0000000005DC2000-memory.dmp
memory/4728-37-0x0000000005D00000-0x0000000005D0A000-memory.dmp
memory/4728-38-0x00000000747F0000-0x0000000074FAC000-memory.dmp