Analysis
- max time kernel
148s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
28/08/2026, 19:08
Behavioral task
behavioral1
Sample
a05d3628ed18936f474403441aa84c1017aef82a6be794e038e9c31655fc89af.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
a05d3628ed18936f474403441aa84c1017aef82a6be794e038e9c31655fc89af.exe
Resource
win11ltsc2024-20260709-en
General
- Target a05d3628ed18936f474403441aa84c1017aef82a6be794e038e9c31655fc89af.exe
- Size 91KB
- Sample260828-xtf89sdn2v
- SHA256 a05d3628ed18936f474403441aa84c1017aef82a6be794e038e9c31655fc89af
- MD5 e83d82d4a5c99e42f855a7a99ebaf06a
- SHA1 dd7dc6957107b4f8c2e3bed6e1173b97ea2c67de
- SHA512 dcc34892c5a3e1e355b35e3f5f189b0d14913b3e1d9001c4592cb88e6b0d012178fe8eb04526718a9504330f8ea09b88315338f264caa67402082dee68fd2d82
- SSDEEP 1536:FmhwZSZ6bytzah+hThN/UP/UJS/UJ5/UJpwsfVVYpLN7FMRFZmp434:uwZSZ6by9ah+hThN/UP/UJS/UJ5/UJpW
- TLSH T1DE93F70937E88814D9FF8572E5B191110B7AFC594936D22D0BD8B4EE2B7BA8085C7BD3
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
masslogger
-
exfiltration_mode
#SMTPEnabled
-
expire_time_date
00-00-0000
-
host_password
Bprod22#
-
host_port
587
- host_receiver
- host_sender
-
host_server
mail.bpl.com.mx
-
ssl_slate
False
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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a05d3628ed18936f474403441aa84c1017aef82a6be794e038e9c31655fc89af.exe Key opened \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a05d3628ed18936f474403441aa84c1017aef82a6be794e038e9c31655fc89af.exe Key opened \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a05d3628ed18936f474403441aa84c1017aef82a6be794e038e9c31655fc89af.exe - 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.
flow ioc 1 checkip.dyndns.org 1 reallyfreegeoip.org 8 reallyfreegeoip.org - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a05d3628ed18936f474403441aa84c1017aef82a6be794e038e9c31655fc89af.exe - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1188 a05d3628ed18936f474403441aa84c1017aef82a6be794e038e9c31655fc89af.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1188 a05d3628ed18936f474403441aa84c1017aef82a6be794e038e9c31655fc89af.exe - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a05d3628ed18936f474403441aa84c1017aef82a6be794e038e9c31655fc89af.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a05d3628ed18936f474403441aa84c1017aef82a6be794e038e9c31655fc89af.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\a05d3628ed18936f474403441aa84c1017aef82a6be794e038e9c31655fc89af.exe"C:\Users\Admin\AppData\Local\Temp\a05d3628ed18936f474403441aa84c1017aef82a6be794e038e9c31655fc89af.exe"1⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1188
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2