Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2024, 02:00

General

  • Target
    ec2687f0e226016d1cec0764216b00675b8bda746aa9606053f62f3ed799f3d6.exe
  • Size 676KB
  • Sample241012-ce2answgmd
  • SHA256 ec2687f0e226016d1cec0764216b00675b8bda746aa9606053f62f3ed799f3d6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • 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.

  • 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 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ec2687f0e226016d1cec0764216b00675b8bda746aa9606053f62f3ed799f3d6.exe
    "C:\Users\Admin\AppData\Local\Temp\ec2687f0e226016d1cec0764216b00675b8bda746aa9606053f62f3ed799f3d6.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1852
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HmnCSybE.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2372
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HmnCSybE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp41A8.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4948
    • C:\Users\Admin\AppData\Local\Temp\ec2687f0e226016d1cec0764216b00675b8bda746aa9606053f62f3ed799f3d6.exe
      "C:\Users\Admin\AppData\Local\Temp\ec2687f0e226016d1cec0764216b00675b8bda746aa9606053f62f3ed799f3d6.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:2300

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        ec2687f0e226016d1cec0764216b00675b8bda746aa9606053f62f3ed799f3d6.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ec2687f0e226016d1cec0764216b00675b8bda746aa9606053f62f3ed799f3d6.exe.log
        • Size 1KB
        • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
        • MD5 SHA1 SHA512

        __PSScriptPolicyTest_wepx4mrl.fxx.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wepx4mrl.fxx.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmp41A8.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp41A8.tmp
        • Size 1KB
        • SHA256 3f81ec52e0f44e2e2a252c7a78de30530b322ff7e2d7bf4c18469cddcc50a7af
        • MD5 SHA1 SHA512

        memory/1852-10-0x000000000A930000-0x000000000A9CC000-memory.dmp

        memory/1852-3-0x0000000005550000-0x00000000055E2000-memory.dmp

        memory/1852-5-0x0000000005700000-0x000000000570A000-memory.dmp

        memory/1852-6-0x000000007474E000-0x000000007474F000-memory.dmp

        memory/1852-7-0x0000000074740000-0x0000000074EF0000-memory.dmp

        memory/1852-8-0x00000000057F0000-0x0000000005802000-memory.dmp

        memory/1852-9-0x00000000081C0000-0x000000000824C000-memory.dmp

        memory/1852-28-0x0000000074740000-0x0000000074EF0000-memory.dmp

        memory/1852-0-0x000000007474E000-0x000000007474F000-memory.dmp

        memory/1852-4-0x0000000074740000-0x0000000074EF0000-memory.dmp

        memory/1852-1-0x0000000000C00000-0x0000000000CAE000-memory.dmp

        memory/1852-2-0x0000000005A60000-0x0000000006004000-memory.dmp

        memory/2300-66-0x0000000074740000-0x0000000074EF0000-memory.dmp

        memory/2300-67-0x0000000006E20000-0x0000000006FE2000-memory.dmp

        memory/2300-21-0x0000000000400000-0x0000000000448000-memory.dmp

        memory/2300-68-0x0000000006CA0000-0x0000000006CF0000-memory.dmp

        memory/2300-27-0x0000000074740000-0x0000000074EF0000-memory.dmp

        memory/2372-15-0x0000000002820000-0x0000000002856000-memory.dmp

        memory/2372-55-0x0000000007450000-0x000000000746A000-memory.dmp

        memory/2372-26-0x0000000005290000-0x00000000052F6000-memory.dmp

        memory/2372-24-0x0000000005080000-0x00000000050A2000-memory.dmp

        memory/2372-20-0x0000000074740000-0x0000000074EF0000-memory.dmp

        memory/2372-29-0x0000000005B80000-0x0000000005ED4000-memory.dmp

        memory/2372-39-0x0000000006120000-0x000000000613E000-memory.dmp

        memory/2372-40-0x00000000061E0000-0x000000000622C000-memory.dmp

        memory/2372-41-0x00000000066E0000-0x0000000006712000-memory.dmp

        memory/2372-52-0x00000000066C0000-0x00000000066DE000-memory.dmp

        memory/2372-42-0x0000000070AC0000-0x0000000070B0C000-memory.dmp

        memory/2372-53-0x0000000007360000-0x0000000007403000-memory.dmp

        memory/2372-54-0x0000000007A90000-0x000000000810A000-memory.dmp

        memory/2372-25-0x0000000005220000-0x0000000005286000-memory.dmp

        memory/2372-56-0x00000000074C0000-0x00000000074CA000-memory.dmp

        memory/2372-57-0x00000000076D0000-0x0000000007766000-memory.dmp

        memory/2372-58-0x0000000007650000-0x0000000007661000-memory.dmp

        memory/2372-59-0x0000000007680000-0x000000000768E000-memory.dmp

        memory/2372-60-0x0000000007690000-0x00000000076A4000-memory.dmp

        memory/2372-61-0x0000000007790000-0x00000000077AA000-memory.dmp

        memory/2372-62-0x0000000007770000-0x0000000007778000-memory.dmp

        memory/2372-65-0x0000000074740000-0x0000000074EF0000-memory.dmp

        memory/2372-18-0x0000000074740000-0x0000000074EF0000-memory.dmp

        memory/2372-19-0x0000000005550000-0x0000000005B78000-memory.dmp

        memory/2372-17-0x0000000074740000-0x0000000074EF0000-memory.dmp