Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/09/2026, 12:38

General

  • Target
    Bank confirmation details.exe
  • Size 885KB
  • Sample260910-pt5mvstcqe
  • SHA256 352aa5e91d09f8720d6c96a621b4e74fc04d89508ec0a37ef6bb2b53264c4de1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.jjgsxc-com.cc

  • Port

    587

  • Password

    Payday2026

Extracted

Family
  • masslogger

Attributes
  • exfiltration_mode

    #SMTPEnabled

  • expire_time_date

    00-00-0000

  • host_password

    Payday2026

  • host_port

    587

  • host_receiver

    [email protected]

  • host_sender

    [email protected]

  • host_server

    mail.jjgsxc-com.cc

  • ssl_slate

    False

Signatures

  • Family: MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 TTPs 5 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bank confirmation details.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank confirmation details.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1080
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Bank confirmation details.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2388
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:464
  • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$ephc1p=[System.Environment]::TickCount;$ho242e=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('U3RhcnQtUHJvY2Vzcw==')));$wpqzkl=Get-Date;$ajalto=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXFRlLmV4ZQ==')));$n3xix3=1047;& $ho242e -FilePath $ajalto"
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2852
    • C:\Users\Admin\AppData\Roaming\Te.exe
      "C:\Users\Admin\AppData\Roaming\Te.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4196
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Te.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3576
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3664

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 e4284f4262be8afbc0fb226f70e10c6ce21a21e8320acb0636364071dbf24b11
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_lvq3weev.ql2.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lvq3weev.ql2.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        Te.exe

        • Path C:\Users\Admin\AppData\Roaming\Te.exe
        • Size 885KB
        • SHA256 352aa5e91d09f8720d6c96a621b4e74fc04d89508ec0a37ef6bb2b53264c4de1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/464-12-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/464-66-0x0000000005950000-0x0000000005960000-memory.dmp

        memory/1080-3-0x0000000005A40000-0x0000000005A50000-memory.dmp

        memory/1080-7-0x0000000005A40000-0x0000000005A50000-memory.dmp

        memory/1080-8-0x0000000007050000-0x000000000710A000-memory.dmp

        memory/1080-6-0x0000000005A20000-0x0000000005A3E000-memory.dmp

        memory/1080-5-0x0000000005BE0000-0x0000000005C7C000-memory.dmp

        memory/1080-0-0x0000000000DB0000-0x0000000000E94000-memory.dmp

        memory/1080-4-0x0000000005940000-0x000000000594A000-memory.dmp

        memory/1080-2-0x0000000005890000-0x0000000005922000-memory.dmp

        memory/1080-1-0x0000000005E40000-0x00000000063E4000-memory.dmp

        memory/2388-16-0x0000000005020000-0x0000000005030000-memory.dmp

        memory/2388-57-0x00000000079F0000-0x0000000007A86000-memory.dmp

        memory/2388-19-0x0000000005C90000-0x0000000005CF6000-memory.dmp

        memory/2388-28-0x0000000005E60000-0x00000000061B4000-memory.dmp

        memory/2388-15-0x0000000004E80000-0x0000000004EB6000-memory.dmp

        memory/2388-37-0x0000000006440000-0x000000000645E000-memory.dmp

        memory/2388-38-0x0000000006490000-0x00000000064DC000-memory.dmp

        memory/2388-18-0x00000000054A0000-0x00000000054C2000-memory.dmp

        memory/2388-43-0x0000000006A10000-0x0000000006A42000-memory.dmp

        memory/2388-44-0x0000000070090000-0x00000000700DC000-memory.dmp

        memory/2388-52-0x0000000007600000-0x000000000761E000-memory.dmp

        memory/2388-53-0x0000000007630000-0x00000000076D3000-memory.dmp

        memory/2388-54-0x0000000007DB0000-0x000000000842A000-memory.dmp

        memory/2388-55-0x0000000007770000-0x000000000778A000-memory.dmp

        memory/2388-56-0x00000000077E0000-0x00000000077EA000-memory.dmp

        memory/2388-20-0x0000000005DF0000-0x0000000005E56000-memory.dmp

        memory/2388-58-0x0000000007970000-0x0000000007981000-memory.dmp

        memory/2388-59-0x00000000079A0000-0x00000000079AE000-memory.dmp

        memory/2388-60-0x00000000079B0000-0x00000000079C4000-memory.dmp

        memory/2388-61-0x0000000007AB0000-0x0000000007ACA000-memory.dmp

        memory/2388-62-0x0000000007A90000-0x0000000007A98000-memory.dmp

        memory/2388-14-0x0000000005020000-0x0000000005030000-memory.dmp

        memory/2388-17-0x0000000005660000-0x0000000005C88000-memory.dmp

        memory/2852-36-0x00000226F5520000-0x00000226F5542000-memory.dmp

        memory/3576-77-0x00000000057E0000-0x0000000005B34000-memory.dmp

        memory/3576-79-0x0000000006310000-0x000000000635C000-memory.dmp

        memory/3576-81-0x00000000704F0000-0x000000007053C000-memory.dmp

        memory/3576-89-0x0000000006FE0000-0x0000000007083000-memory.dmp

        memory/3576-90-0x0000000007290000-0x00000000072A1000-memory.dmp

        memory/3576-91-0x00000000072D0000-0x00000000072E4000-memory.dmp

        memory/3664-80-0x00000000061F0000-0x0000000006240000-memory.dmp

        memory/3664-93-0x0000000006610000-0x00000000067D2000-memory.dmp