Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/09/2026, 13:53

General

  • Target
    BLShippingDocumentsLONSUB6519956V.pdf.exe
  • Size 836KB
  • Sample260930-q7gnmatbla
  • SHA256 18895e1e9a247660004106f26be55d510218b84f2423019c5a9e1662d20a8d6a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • masslogger

Attributes
  • exfiltration_mode

    #SMTPEnabled

  • expire_time_date

    00-00-0000

  • host_password

    @tf0794888229

  • host_port

    587

  • host_receiver

    result box: [email protected]

  • host_sender

    [email protected]

  • host_server

    mail.atf-transformer.af

  • 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 1 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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.

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BLShippingDocumentsLONSUB6519956V.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\BLShippingDocumentsLONSUB6519956V.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3720
    • 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\BLShippingDocumentsLONSUB6519956V.pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5028
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:2352
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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:4564

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          __PSScriptPolicyTest_qzxxcqkg.zzx.ps1

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

          memory/3720-8-0x0000000006DE0000-0x0000000006E7C000-memory.dmp

          memory/3720-10-0x0000000007940000-0x0000000007E6C000-memory.dmp

          memory/3720-3-0x0000000005660000-0x00000000059B4000-memory.dmp

          memory/3720-4-0x00000000054F0000-0x0000000005500000-memory.dmp

          memory/3720-5-0x0000000005AC0000-0x0000000005ACA000-memory.dmp

          memory/3720-6-0x0000000005BF0000-0x0000000005C08000-memory.dmp

          memory/3720-2-0x0000000005550000-0x00000000055E2000-memory.dmp

          memory/3720-7-0x00000000054F0000-0x0000000005500000-memory.dmp

          memory/3720-9-0x0000000006D50000-0x0000000006DAA000-memory.dmp

          memory/3720-0-0x0000000000A90000-0x0000000000B66000-memory.dmp

          memory/3720-11-0x0000000007E70000-0x000000000833C000-memory.dmp

          memory/3720-1-0x0000000005C10000-0x00000000061B4000-memory.dmp

          memory/4564-55-0x0000000006200000-0x00000000063C2000-memory.dmp

          memory/4564-32-0x0000000005EE0000-0x0000000005F30000-memory.dmp

          memory/4564-12-0x0000000000400000-0x000000000041E000-memory.dmp

          memory/4564-17-0x0000000004C20000-0x0000000004C30000-memory.dmp

          memory/5028-21-0x00000000057E0000-0x0000000005846000-memory.dmp

          memory/5028-42-0x0000000006DE0000-0x0000000006DFE000-memory.dmp

          memory/5028-20-0x00000000055C0000-0x0000000005626000-memory.dmp

          memory/5028-18-0x0000000004EE0000-0x0000000005508000-memory.dmp

          memory/5028-16-0x0000000004860000-0x0000000004870000-memory.dmp

          memory/5028-29-0x0000000005850000-0x0000000005BA4000-memory.dmp

          memory/5028-30-0x0000000005E10000-0x0000000005E2E000-memory.dmp

          memory/5028-31-0x0000000005E60000-0x0000000005EAC000-memory.dmp

          memory/5028-14-0x0000000004860000-0x0000000004870000-memory.dmp

          memory/5028-33-0x00000000063E0000-0x0000000006412000-memory.dmp

          memory/5028-34-0x0000000070AD0000-0x0000000070B1C000-memory.dmp

          memory/5028-19-0x0000000004E50000-0x0000000004E72000-memory.dmp

          memory/5028-43-0x0000000006E30000-0x0000000006ED3000-memory.dmp

          memory/5028-44-0x0000000007780000-0x0000000007DFA000-memory.dmp

          memory/5028-45-0x0000000007140000-0x000000000715A000-memory.dmp

          memory/5028-46-0x00000000071B0000-0x00000000071BA000-memory.dmp

          memory/5028-47-0x00000000073C0000-0x0000000007456000-memory.dmp

          memory/5028-48-0x0000000007340000-0x0000000007351000-memory.dmp

          memory/5028-49-0x0000000007390000-0x000000000739E000-memory.dmp

          memory/5028-50-0x00000000073A0000-0x00000000073B4000-memory.dmp

          memory/5028-51-0x00000000074A0000-0x00000000074BA000-memory.dmp

          memory/5028-52-0x0000000007480000-0x0000000007488000-memory.dmp

          memory/5028-15-0x0000000004870000-0x00000000048A6000-memory.dmp