Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/10/2024, 09:45

General

  • Target
    7578316e563e8a4a2983ae041a5fff39.exe
  • Size 759KB
  • Sample241023-lq26savepn
  • SHA256 2b845ff4c5ee973861ccb905e73fed0bbd46ce5e311fc8910d188ec839226f58
  • 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7578316e563e8a4a2983ae041a5fff39.exe
    "C:\Users\Admin\AppData\Local\Temp\7578316e563e8a4a2983ae041a5fff39.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:1100
    • 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\7578316e563e8a4a2983ae041a5fff39.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:864
    • C:\Users\Admin\AppData\Local\Temp\7578316e563e8a4a2983ae041a5fff39.exe
      "C:\Users\Admin\AppData\Local\Temp\7578316e563e8a4a2983ae041a5fff39.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:5068

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7578316e563e8a4a2983ae041a5fff39.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\7578316e563e8a4a2983ae041a5fff39.exe.log
        • Size 1KB
        • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
        • MD5 SHA1 SHA512

        __PSScriptPolicyTest_0hztoizg.4mm.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0hztoizg.4mm.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        memory/864-50-0x0000000007C60000-0x00000000082DA000-memory.dmp

        memory/864-37-0x00000000072A0000-0x00000000072D2000-memory.dmp

        memory/864-61-0x00000000752D0000-0x0000000075A80000-memory.dmp

        memory/864-58-0x0000000007930000-0x0000000007938000-memory.dmp

        memory/864-57-0x0000000007950000-0x000000000796A000-memory.dmp

        memory/864-56-0x0000000007850000-0x0000000007864000-memory.dmp

        memory/864-55-0x0000000007840000-0x000000000784E000-memory.dmp

        memory/864-54-0x0000000007810000-0x0000000007821000-memory.dmp

        memory/864-53-0x0000000007890000-0x0000000007926000-memory.dmp

        memory/864-52-0x0000000007680000-0x000000000768A000-memory.dmp

        memory/864-23-0x0000000005CB0000-0x0000000005D16000-memory.dmp

        memory/864-51-0x0000000007610000-0x000000000762A000-memory.dmp

        memory/864-49-0x00000000072E0000-0x0000000007383000-memory.dmp

        memory/864-34-0x00000000062E0000-0x00000000062FE000-memory.dmp

        memory/864-16-0x00000000029B0000-0x00000000029E6000-memory.dmp

        memory/864-18-0x0000000005610000-0x0000000005C38000-memory.dmp

        memory/864-19-0x00000000752D0000-0x0000000075A80000-memory.dmp

        memory/864-48-0x00000000068C0000-0x00000000068DE000-memory.dmp

        memory/864-22-0x0000000005C40000-0x0000000005CA6000-memory.dmp

        memory/864-21-0x00000000752D0000-0x0000000075A80000-memory.dmp

        memory/864-38-0x0000000070CE0000-0x0000000070D2C000-memory.dmp

        memory/864-33-0x0000000005D20000-0x0000000006074000-memory.dmp

        memory/864-20-0x0000000005410000-0x0000000005432000-memory.dmp

        memory/864-35-0x00000000752D0000-0x0000000075A80000-memory.dmp

        memory/864-36-0x0000000006310000-0x000000000635C000-memory.dmp

        memory/1100-0-0x00000000752DE000-0x00000000752DF000-memory.dmp

        memory/1100-5-0x0000000005030000-0x000000000503A000-memory.dmp

        memory/1100-1-0x00000000006D0000-0x0000000000792000-memory.dmp

        memory/1100-4-0x00000000752D0000-0x0000000075A80000-memory.dmp

        memory/1100-15-0x00000000752D0000-0x0000000075A80000-memory.dmp

        memory/1100-3-0x0000000005050000-0x00000000050E2000-memory.dmp

        memory/1100-2-0x0000000005600000-0x0000000005BA4000-memory.dmp

        memory/1100-6-0x0000000005430000-0x000000000544E000-memory.dmp

        memory/1100-10-0x0000000006590000-0x000000000662C000-memory.dmp

        memory/1100-9-0x0000000002A20000-0x0000000002AAC000-memory.dmp

        memory/1100-8-0x00000000752D0000-0x0000000075A80000-memory.dmp

        memory/1100-7-0x00000000752DE000-0x00000000752DF000-memory.dmp

        memory/5068-11-0x0000000000400000-0x0000000000448000-memory.dmp

        memory/5068-14-0x00000000752D0000-0x0000000075A80000-memory.dmp

        memory/5068-17-0x00000000752D0000-0x0000000075A80000-memory.dmp

        memory/5068-62-0x00000000752D0000-0x0000000075A80000-memory.dmp

        memory/5068-63-0x0000000006C00000-0x0000000006DC2000-memory.dmp

        memory/5068-64-0x0000000006A80000-0x0000000006AD0000-memory.dmp