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

General

  • Target
    a05d3628ed18936f474403441aa84c1017aef82a6be794e038e9c31655fc89af.exe
  • Size 91KB
  • Sample260828-xtf89sdn2v
  • SHA256 a05d3628ed18936f474403441aa84c1017aef82a6be794e038e9c31655fc89af
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • masslogger

Attributes
  • exfiltration_mode

    #SMTPEnabled

  • expire_time_date

    00-00-0000

  • host_password

    Bprod22#

  • host_port

    587

  • host_receiver

    [email protected]

  • host_sender

    [email protected]

  • 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
  • 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.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

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

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1188-0-0x0000000074CE2000-0x0000000074CE3000-memory.dmp

        memory/1188-1-0x00000000002E0000-0x00000000002FE000-memory.dmp

        memory/1188-2-0x00000000053F0000-0x00000000059AA000-memory.dmp

        memory/1188-3-0x0000000004E30000-0x0000000004ECC000-memory.dmp

        memory/1188-4-0x0000000074CD0000-0x000000007548C000-memory.dmp

        memory/1188-5-0x0000000006240000-0x0000000006290000-memory.dmp

        memory/1188-6-0x0000000006560000-0x0000000006722000-memory.dmp

        memory/1188-7-0x0000000006430000-0x00000000064C2000-memory.dmp

        memory/1188-8-0x0000000006400000-0x000000000640A000-memory.dmp

        memory/1188-9-0x0000000074CE2000-0x0000000074CE3000-memory.dmp

        memory/1188-10-0x0000000074CD0000-0x000000007548C000-memory.dmp