Analysis
- user interaction
yes - max time kernel
298s - max time network
134s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
- submitted
03/07/2026, 16:00
General
- Target decoded_payload.exe
- Size 1.7MB
- Sample260703-tf394ahs9k
- SHA256 aa3bb9c613bea380f9725450828c80a6cc6fadbbdfde0f19884bc67cb4eb79b2
Malware Config
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.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\decoded_payload.exe"C:\Users\Admin\AppData\Local\Temp\decoded_payload.exe"1⤵
- 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
memory/672-1-0x000001A1ABFA0000-0x000001A1AC15C000-memory.dmp
memory/672-0-0x00007FFCD17CF000-0x00007FFCD17D0000-memory.dmp
memory/672-2-0x00007FFCD1640000-0x00007FFCD1FE4000-memory.dmp
memory/672-3-0x000001A1AC640000-0x000001A1AC698000-memory.dmp
memory/672-4-0x000001A1AC5B0000-0x000001A1AC5CE000-memory.dmp
memory/672-5-0x00007FFCD1640000-0x00007FFCD1FE4000-memory.dmp
memory/672-6-0x00007FFCD1640000-0x00007FFCD1FE4000-memory.dmp
memory/672-7-0x00007FFCD1640000-0x00007FFCD1FE4000-memory.dmp
memory/672-8-0x00007FFCD1640000-0x00007FFCD1FE4000-memory.dmp
memory/672-9-0x000001A1ADFF0000-0x000001A1AE040000-memory.dmp
memory/672-10-0x000001A1C6C50000-0x000001A1C6E12000-memory.dmp