Analysis

  • max time kernel
    119s
  • max time network
    126s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250502-en
  • resource tags

    arch:x64arch:x86image:win11-20250502-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10/06/2025, 08:29

General

  • Target
    63e47d7fccd41dc818b81c1514586e42e76fa780b655cd3c3b0e336485e8ca25.exe
  • Size 700KB
  • Sample250610-kdpt9avnt6
  • SHA256 63e47d7fccd41dc818b81c1514586e42e76fa780b655cd3c3b0e336485e8ca25
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.zoomlogistics-bd.com

  • Port

    587

  • Password

    zoom@2017

Extracted

Family
  • masslogger

Attributes
  • exfiltration_mode

    #SMTPEnabled

  • expire_time_date

    2025-03-05

  • host_password

    zoom@2017

  • host_port

    587

  • host_receiver

    [email protected]

  • host_sender

    [email protected]

  • host_server

    mail.zoomlogistics-bd.com

  • ssl_slate

    True

Signatures

  • MassLogger

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

  • Masslogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

  • 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 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 5 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\63e47d7fccd41dc818b81c1514586e42e76fa780b655cd3c3b0e336485e8ca25.exe
    "C:\Users\Admin\AppData\Local\Temp\63e47d7fccd41dc818b81c1514586e42e76fa780b655cd3c3b0e336485e8ca25.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5296
    • 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\63e47d7fccd41dc818b81c1514586e42e76fa780b655cd3c3b0e336485e8ca25.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2300
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yQvboOgxnQl.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1028
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yQvboOgxnQl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB381.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:6028
    • C:\Users\Admin\AppData\Local\Temp\63e47d7fccd41dc818b81c1514586e42e76fa780b655cd3c3b0e336485e8ca25.exe
      "C:\Users\Admin\AppData\Local\Temp\63e47d7fccd41dc818b81c1514586e42e76fa780b655cd3c3b0e336485e8ca25.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:5032

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 d42c41ae7906f222bcc230e3a76447a1487da00f63cd762763419c5297ba89c6
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_nl1wbmk0.nsi.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nl1wbmk0.nsi.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmpB381.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpB381.tmp
        • Size 1KB
        • SHA256 c666c567f66db9fbe379bbed036b677dd8a8ec69302b9a6e376427b3c49234d4
        • MD5 SHA1 SHA512

        memory/1028-65-0x0000000006A80000-0x0000000006A9E000-memory.dmp

        memory/1028-76-0x0000000007A20000-0x0000000007A35000-memory.dmp

        memory/1028-75-0x0000000007A10000-0x0000000007A1E000-memory.dmp

        memory/1028-74-0x00000000079E0000-0x00000000079F1000-memory.dmp

        memory/1028-78-0x0000000007B10000-0x0000000007B18000-memory.dmp

        memory/1028-68-0x00000000074D0000-0x0000000007574000-memory.dmp

        memory/1028-50-0x0000000070DC0000-0x0000000070E0C000-memory.dmp

        memory/1028-48-0x0000000007490000-0x00000000074C4000-memory.dmp

        memory/1028-47-0x0000000006520000-0x000000000656C000-memory.dmp

        memory/1028-46-0x0000000006480000-0x000000000649E000-memory.dmp

        memory/1028-34-0x00000000749B0000-0x0000000075161000-memory.dmp

        memory/1028-19-0x00000000749B0000-0x0000000075161000-memory.dmp

        memory/1028-84-0x00000000749B0000-0x0000000075161000-memory.dmp

        memory/2300-72-0x0000000007A40000-0x0000000007A4A000-memory.dmp

        memory/2300-17-0x0000000005990000-0x0000000005FBA000-memory.dmp

        memory/2300-27-0x0000000006030000-0x0000000006096000-memory.dmp

        memory/2300-32-0x00000000749B0000-0x0000000075161000-memory.dmp

        memory/2300-21-0x0000000005910000-0x0000000005932000-memory.dmp

        memory/2300-33-0x0000000006200000-0x0000000006557000-memory.dmp

        memory/2300-18-0x00000000749B0000-0x0000000075161000-memory.dmp

        memory/2300-70-0x0000000008000000-0x000000000867A000-memory.dmp

        memory/2300-28-0x0000000006190000-0x00000000061F6000-memory.dmp

        memory/2300-73-0x0000000007C50000-0x0000000007CE6000-memory.dmp

        memory/2300-16-0x00000000749B0000-0x0000000075161000-memory.dmp

        memory/2300-15-0x00000000051F0000-0x0000000005226000-memory.dmp

        memory/2300-71-0x00000000079C0000-0x00000000079DA000-memory.dmp

        memory/2300-85-0x00000000749B0000-0x0000000075161000-memory.dmp

        memory/2300-77-0x0000000007D10000-0x0000000007D2A000-memory.dmp

        memory/2300-49-0x0000000070DC0000-0x0000000070E0C000-memory.dmp

        memory/5032-69-0x0000000006BD0000-0x0000000006C20000-memory.dmp

        memory/5032-86-0x0000000006F90000-0x0000000007152000-memory.dmp

        memory/5032-43-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/5296-45-0x00000000749B0000-0x0000000075161000-memory.dmp

        memory/5296-0-0x00000000749BE000-0x00000000749BF000-memory.dmp

        memory/5296-7-0x0000000005A90000-0x0000000005AA6000-memory.dmp

        memory/5296-6-0x0000000005AB0000-0x0000000005B4C000-memory.dmp

        memory/5296-5-0x00000000749B0000-0x0000000075161000-memory.dmp

        memory/5296-8-0x00000000749BE000-0x00000000749BF000-memory.dmp

        memory/5296-4-0x00000000057E0000-0x00000000057EA000-memory.dmp

        memory/5296-3-0x0000000005850000-0x00000000058E2000-memory.dmp

        memory/5296-9-0x00000000749B0000-0x0000000075161000-memory.dmp

        memory/5296-2-0x0000000005E00000-0x00000000063A6000-memory.dmp

        memory/5296-1-0x0000000000C80000-0x0000000000D32000-memory.dmp

        memory/5296-10-0x00000000083C0000-0x0000000008422000-memory.dmp