Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/10/2024, 01:21

General

  • Target
    326d05c29c46e6ca7f2f1a9b534d8a2ffb98a13f74f8f26fff2057ad1f8e0ca8.exe
  • Size 774KB
  • Sample241024-bq4phaxgqb
  • SHA256 326d05c29c46e6ca7f2f1a9b534d8a2ffb98a13f74f8f26fff2057ad1f8e0ca8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vipkeylogger

C2
  • https://api.telegram.org/bot7563060616:AAGgGu8pocoVNLzoow0Ge2U2GVDS9nDmL6Q/sendMessage?chat_id=7222025033

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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\326d05c29c46e6ca7f2f1a9b534d8a2ffb98a13f74f8f26fff2057ad1f8e0ca8.exe
    "C:\Users\Admin\AppData\Local\Temp\326d05c29c46e6ca7f2f1a9b534d8a2ffb98a13f74f8f26fff2057ad1f8e0ca8.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2360
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\urzvuvVy.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4880
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\urzvuvVy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBF29.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1648
    • C:\Users\Admin\AppData\Local\Temp\326d05c29c46e6ca7f2f1a9b534d8a2ffb98a13f74f8f26fff2057ad1f8e0ca8.exe
      "C:\Users\Admin\AppData\Local\Temp\326d05c29c46e6ca7f2f1a9b534d8a2ffb98a13f74f8f26fff2057ad1f8e0ca8.exe"
      2⤵
        PID:1228
      • C:\Users\Admin\AppData\Local\Temp\326d05c29c46e6ca7f2f1a9b534d8a2ffb98a13f74f8f26fff2057ad1f8e0ca8.exe
        "C:\Users\Admin\AppData\Local\Temp\326d05c29c46e6ca7f2f1a9b534d8a2ffb98a13f74f8f26fff2057ad1f8e0ca8.exe"
        2⤵
          PID:4920
        • C:\Users\Admin\AppData\Local\Temp\326d05c29c46e6ca7f2f1a9b534d8a2ffb98a13f74f8f26fff2057ad1f8e0ca8.exe
          "C:\Users\Admin\AppData\Local\Temp\326d05c29c46e6ca7f2f1a9b534d8a2ffb98a13f74f8f26fff2057ad1f8e0ca8.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:1232

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            __PSScriptPolicyTest_pduyniie.vwf.ps1

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

            tmpBF29.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\tmpBF29.tmp
            • Size 1KB
            • SHA256 2d2986beae554f1ba35eb5ab357c9a3d3303913a9e4daa7c731a88a3e37221a5
            • MD5 SHA1 SHA512

            memory/1232-68-0x0000000074AD0000-0x0000000075280000-memory.dmp

            memory/1232-22-0x0000000000400000-0x000000000044A000-memory.dmp

            memory/1232-65-0x0000000006C20000-0x0000000006DE2000-memory.dmp

            memory/1232-66-0x0000000006AA0000-0x0000000006AF0000-memory.dmp

            memory/1232-32-0x0000000074AD0000-0x0000000075280000-memory.dmp

            memory/1232-67-0x0000000007320000-0x000000000784C000-memory.dmp

            memory/2360-5-0x0000000005900000-0x000000000590A000-memory.dmp

            memory/2360-9-0x00000000031E0000-0x000000000326C000-memory.dmp

            memory/2360-10-0x0000000006E80000-0x0000000006F1C000-memory.dmp

            memory/2360-8-0x0000000074AD0000-0x0000000075280000-memory.dmp

            memory/2360-7-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

            memory/2360-6-0x0000000005CE0000-0x0000000005CFE000-memory.dmp

            memory/2360-4-0x0000000074AD0000-0x0000000075280000-memory.dmp

            memory/2360-3-0x0000000005920000-0x00000000059B2000-memory.dmp

            memory/2360-37-0x0000000074AD0000-0x0000000075280000-memory.dmp

            memory/2360-0-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

            memory/2360-2-0x0000000005FE0000-0x0000000006584000-memory.dmp

            memory/2360-1-0x0000000000E50000-0x0000000000F12000-memory.dmp

            memory/4880-24-0x00000000058A0000-0x0000000005906000-memory.dmp

            memory/4880-55-0x0000000007360000-0x000000000736A000-memory.dmp

            memory/4880-21-0x0000000005030000-0x0000000005052000-memory.dmp

            memory/4880-33-0x0000000005AC0000-0x0000000005E14000-memory.dmp

            memory/4880-20-0x0000000074AD0000-0x0000000075280000-memory.dmp

            memory/4880-38-0x0000000005FD0000-0x0000000005FEE000-memory.dmp

            memory/4880-39-0x0000000006060000-0x00000000060AC000-memory.dmp

            memory/4880-41-0x0000000075340000-0x000000007538C000-memory.dmp

            memory/4880-40-0x0000000006590000-0x00000000065C2000-memory.dmp

            memory/4880-52-0x00000000071A0000-0x0000000007243000-memory.dmp

            memory/4880-51-0x0000000006560000-0x000000000657E000-memory.dmp

            memory/4880-53-0x0000000007940000-0x0000000007FBA000-memory.dmp

            memory/4880-54-0x00000000072F0000-0x000000000730A000-memory.dmp

            memory/4880-23-0x0000000005830000-0x0000000005896000-memory.dmp

            memory/4880-56-0x0000000007570000-0x0000000007606000-memory.dmp

            memory/4880-57-0x00000000074F0000-0x0000000007501000-memory.dmp

            memory/4880-59-0x0000000007530000-0x0000000007544000-memory.dmp

            memory/4880-58-0x0000000007520000-0x000000000752E000-memory.dmp

            memory/4880-61-0x0000000007610000-0x0000000007618000-memory.dmp

            memory/4880-60-0x0000000007630000-0x000000000764A000-memory.dmp

            memory/4880-64-0x0000000074AD0000-0x0000000075280000-memory.dmp

            memory/4880-19-0x0000000074AD0000-0x0000000075280000-memory.dmp

            memory/4880-16-0x0000000074AD0000-0x0000000075280000-memory.dmp

            memory/4880-17-0x0000000005200000-0x0000000005828000-memory.dmp

            memory/4880-15-0x00000000026B0000-0x00000000026E6000-memory.dmp