Analysis

  • max time kernel
    149s
  • max time network
    139s
  • platform
    windows11-21h2_x64
  • resource
    win11-20251015-en
  • resource tags

    arch:x64arch:x86image:win11-20251015-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    21/10/2025, 06:07

General

  • Target
    MT APPOLO PARTICULARS.exe
  • Size 630KB
  • Sample251021-gvmvfa1qer
  • SHA256 516caa5876ff1a9e76d69c69967090ff8556283402109bc76e5e5d896bbc5a0b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Snakekeylogger 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.

  • Executes dropped EXE 4 IoCs
  • 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 6 IoCs
  • Looks up external IP address via web service 5 IoCs

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

  • SmartAssembly .NET packer 1 IoCs

    Detects SmartAssembly .NET packer.

  • 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 8 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MT APPOLO PARTICULARS.exe
    "C:\Users\Admin\AppData\Local\Temp\MT APPOLO PARTICULARS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bsmlwzD.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4260
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bsmlwzD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD4C5.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2656
    • C:\Users\Admin\AppData\Local\Temp\MT APPOLO PARTICULARS.exe
      "C:\Users\Admin\AppData\Local\Temp\MT APPOLO PARTICULARS.exe"
      2⤵
        PID:5632
      • C:\Users\Admin\AppData\Local\Temp\MT APPOLO PARTICULARS.exe
        "C:\Users\Admin\AppData\Local\Temp\MT APPOLO PARTICULARS.exe"
        2⤵
          PID:1100
        • C:\Users\Admin\AppData\Local\Temp\MT APPOLO PARTICULARS.exe
          "C:\Users\Admin\AppData\Local\Temp\MT APPOLO PARTICULARS.exe"
          2⤵
          • Accesses Microsoft Outlook profiles
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:420
      • C:\Users\Admin\AppData\Roaming\bsmlwzD.exe
        C:\Users\Admin\AppData\Roaming\bsmlwzD.exe
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4872
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bsmlwzD.exe"
          2⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2504
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bsmlwzD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1AB7.tmp"
          2⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:3140
        • C:\Users\Admin\AppData\Roaming\bsmlwzD.exe
          "C:\Users\Admin\AppData\Roaming\bsmlwzD.exe"
          2⤵
          • Executes dropped EXE
          PID:4776
        • C:\Users\Admin\AppData\Roaming\bsmlwzD.exe
          "C:\Users\Admin\AppData\Roaming\bsmlwzD.exe"
          2⤵
          • Executes dropped EXE
          PID:4624
        • C:\Users\Admin\AppData\Roaming\bsmlwzD.exe
          "C:\Users\Admin\AppData\Roaming\bsmlwzD.exe"
          2⤵
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:4772

      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 9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
            • MD5 SHA1 SHA512

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 18KB
            • SHA256 8f95688987056149e521c1d3ed84b011e949be4e37a4792248fb728e6aadd9dd
            • MD5 SHA1 SHA512 SSDEEP

            __PSScriptPolicyTest_0urg205j.fqa.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0urg205j.fqa.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512

            tmpD4C5.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\tmpD4C5.tmp
            • Size 1KB
            • SHA256 23f5933056a8ea2ed9f2b22e472e32c196152900b2c7f85417b291ca586379e4
            • MD5 SHA1 SHA512

            bsmlwzD.exe

            • Path C:\Users\Admin\AppData\Roaming\bsmlwzD.exe
            • Size 630KB
            • SHA256 516caa5876ff1a9e76d69c69967090ff8556283402109bc76e5e5d896bbc5a0b
            • MD5 SHA1 SHA512 SSDEEP

            memory/420-56-0x0000000006960000-0x0000000006B22000-memory.dmp

            memory/420-55-0x0000000006740000-0x0000000006790000-memory.dmp

            memory/420-18-0x0000000000400000-0x0000000000426000-memory.dmp

            memory/2504-74-0x0000000070A10000-0x0000000070A5C000-memory.dmp

            memory/2504-83-0x0000000007E00000-0x0000000007E15000-memory.dmp

            memory/2504-82-0x0000000007DC0000-0x0000000007DD1000-memory.dmp

            memory/2504-71-0x00000000063E0000-0x0000000006737000-memory.dmp

            memory/2504-81-0x0000000007AA0000-0x0000000007B44000-memory.dmp

            memory/2504-73-0x0000000006B70000-0x0000000006BBC000-memory.dmp

            memory/2548-6-0x0000000005880000-0x0000000005896000-memory.dmp

            memory/2548-7-0x0000000005140000-0x0000000005150000-memory.dmp

            memory/2548-8-0x0000000006970000-0x00000000069DC000-memory.dmp

            memory/2548-5-0x00000000054A0000-0x000000000553C000-memory.dmp

            memory/2548-4-0x0000000005180000-0x000000000518A000-memory.dmp

            memory/2548-0-0x0000000000770000-0x0000000000814000-memory.dmp

            memory/2548-3-0x0000000005140000-0x0000000005150000-memory.dmp

            memory/2548-2-0x00000000051B0000-0x0000000005242000-memory.dmp

            memory/2548-1-0x00000000058C0000-0x0000000005E66000-memory.dmp

            memory/4260-14-0x00000000053B0000-0x00000000053C0000-memory.dmp

            memory/4260-34-0x0000000007890000-0x00000000078C4000-memory.dmp

            memory/4260-42-0x0000000006CA0000-0x0000000006CBE000-memory.dmp

            memory/4260-43-0x00000000078D0000-0x0000000007974000-memory.dmp

            memory/4260-44-0x0000000008040000-0x00000000086BA000-memory.dmp

            memory/4260-45-0x0000000007A00000-0x0000000007A1A000-memory.dmp

            memory/4260-46-0x0000000007A70000-0x0000000007A7A000-memory.dmp

            memory/4260-47-0x0000000007CA0000-0x0000000007D36000-memory.dmp

            memory/4260-48-0x0000000007C10000-0x0000000007C21000-memory.dmp

            memory/4260-49-0x0000000007C40000-0x0000000007C4E000-memory.dmp

            memory/4260-50-0x0000000007C50000-0x0000000007C65000-memory.dmp

            memory/4260-51-0x0000000007D60000-0x0000000007D7A000-memory.dmp

            memory/4260-52-0x0000000007D40000-0x0000000007D48000-memory.dmp

            memory/4260-35-0x0000000070AA0000-0x0000000070AEC000-memory.dmp

            memory/4260-31-0x0000000006740000-0x000000000678C000-memory.dmp

            memory/4260-30-0x00000000066B0000-0x00000000066CE000-memory.dmp

            memory/4260-22-0x0000000006180000-0x00000000061E6000-memory.dmp

            memory/4260-29-0x00000000061F0000-0x0000000006547000-memory.dmp

            memory/4260-21-0x0000000006110000-0x0000000006176000-memory.dmp

            memory/4260-20-0x0000000005920000-0x0000000005942000-memory.dmp

            memory/4260-17-0x00000000059F0000-0x000000000601A000-memory.dmp

            memory/4260-15-0x00000000053B0000-0x00000000053C0000-memory.dmp

            memory/4260-13-0x0000000005220000-0x0000000005256000-memory.dmp