Analysis

  • max time kernel
    129s
  • 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
    16/11/2024, 09:23

General

  • Target
    867c2b0b46aa21ddd3f73b517c673a7487bc254f0cc61f0a0183746c216ef3d9.exe
  • Size 689KB
  • Sample241116-lcnfgatejl
  • SHA256 867c2b0b46aa21ddd3f73b517c673a7487bc254f0cc61f0a0183746c216ef3d9
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vipkeylogger

Signatures

  • VIPKeylogger

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

  • Vipkeylogger family
  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\867c2b0b46aa21ddd3f73b517c673a7487bc254f0cc61f0a0183746c216ef3d9.exe
    "C:\Users\Admin\AppData\Local\Temp\867c2b0b46aa21ddd3f73b517c673a7487bc254f0cc61f0a0183746c216ef3d9.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:4716
    • 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\867c2b0b46aa21ddd3f73b517c673a7487bc254f0cc61f0a0183746c216ef3d9.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3728
    • C:\Users\Admin\AppData\Local\Temp\867c2b0b46aa21ddd3f73b517c673a7487bc254f0cc61f0a0183746c216ef3d9.exe
      "C:\Users\Admin\AppData\Local\Temp\867c2b0b46aa21ddd3f73b517c673a7487bc254f0cc61f0a0183746c216ef3d9.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:856

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        867c2b0b46aa21ddd3f73b517c673a7487bc254f0cc61f0a0183746c216ef3d9.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\867c2b0b46aa21ddd3f73b517c673a7487bc254f0cc61f0a0183746c216ef3d9.exe.log
        • Size 1KB
        • SHA256 af207d70281cc3264107da297e00ab97d0af2f055d6065ca5936cf69db6d783f
        • MD5 SHA1 SHA512

        __PSScriptPolicyTest_0d3wqb3j.gs0.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0d3wqb3j.gs0.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        memory/856-11-0x0000000000400000-0x0000000000448000-memory.dmp

        memory/856-66-0x00000000074A0000-0x00000000079CC000-memory.dmp

        memory/856-65-0x0000000006C40000-0x0000000006C90000-memory.dmp

        memory/856-64-0x0000000006DA0000-0x0000000006F62000-memory.dmp

        memory/856-63-0x00000000753A0000-0x0000000075B50000-memory.dmp

        memory/856-62-0x00000000753A0000-0x0000000075B50000-memory.dmp

        memory/856-16-0x00000000753A0000-0x0000000075B50000-memory.dmp

        memory/856-14-0x00000000753A0000-0x0000000075B50000-memory.dmp

        memory/3728-22-0x00000000059F0000-0x0000000005A56000-memory.dmp

        memory/3728-56-0x0000000007E80000-0x0000000007E94000-memory.dmp

        memory/3728-61-0x00000000753A0000-0x0000000075B50000-memory.dmp

        memory/3728-58-0x0000000007F60000-0x0000000007F68000-memory.dmp

        memory/3728-57-0x0000000007F80000-0x0000000007F9A000-memory.dmp

        memory/3728-55-0x0000000007E70000-0x0000000007E7E000-memory.dmp

        memory/3728-17-0x0000000005360000-0x0000000005396000-memory.dmp

        memory/3728-18-0x00000000753A0000-0x0000000075B50000-memory.dmp

        memory/3728-20-0x00000000753A0000-0x0000000075B50000-memory.dmp

        memory/3728-19-0x0000000005A60000-0x0000000006088000-memory.dmp

        memory/3728-54-0x0000000007E40000-0x0000000007E51000-memory.dmp

        memory/3728-23-0x0000000006090000-0x00000000060F6000-memory.dmp

        memory/3728-53-0x0000000007EC0000-0x0000000007F56000-memory.dmp

        memory/3728-21-0x0000000005950000-0x0000000005972000-memory.dmp

        memory/3728-29-0x00000000753A0000-0x0000000075B50000-memory.dmp

        memory/3728-34-0x00000000062F0000-0x0000000006644000-memory.dmp

        memory/3728-35-0x0000000006910000-0x000000000692E000-memory.dmp

        memory/3728-36-0x0000000006940000-0x000000000698C000-memory.dmp

        memory/3728-37-0x0000000006EE0000-0x0000000006F12000-memory.dmp

        memory/3728-48-0x0000000007AE0000-0x0000000007AFE000-memory.dmp

        memory/3728-38-0x0000000070D10000-0x0000000070D5C000-memory.dmp

        memory/3728-49-0x0000000007B00000-0x0000000007BA3000-memory.dmp

        memory/3728-50-0x0000000008280000-0x00000000088FA000-memory.dmp

        memory/3728-51-0x0000000007C40000-0x0000000007C5A000-memory.dmp

        memory/3728-52-0x0000000007CB0000-0x0000000007CBA000-memory.dmp

        memory/4716-0-0x00000000753AE000-0x00000000753AF000-memory.dmp

        memory/4716-5-0x0000000005170000-0x000000000517A000-memory.dmp

        memory/4716-7-0x0000000005410000-0x0000000005422000-memory.dmp

        memory/4716-10-0x0000000007F80000-0x000000000800E000-memory.dmp

        memory/4716-15-0x00000000753A0000-0x0000000075B50000-memory.dmp

        memory/4716-8-0x00000000753AE000-0x00000000753AF000-memory.dmp

        memory/4716-9-0x00000000753A0000-0x0000000075B50000-memory.dmp

        memory/4716-6-0x00000000753A0000-0x0000000075B50000-memory.dmp

        memory/4716-4-0x00000000051F0000-0x000000000528C000-memory.dmp

        memory/4716-3-0x00000000050B0000-0x0000000005142000-memory.dmp

        memory/4716-2-0x0000000005570000-0x0000000005B14000-memory.dmp

        memory/4716-1-0x0000000000620000-0x00000000006D2000-memory.dmp