Analysis

  • max time kernel
    129s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/09/2024, 18:38

General

  • Target
    RFQ__PO_6353637355363-PDF____PDF.exe
  • Size 760KB
  • Sample240930-xadn2atdnc
  • SHA256 d408c8cb491bb3c567a3a68932e0253ad246f130013892b6009fa0d656fd7076
  • 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 6 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\RFQ__PO_6353637355363-PDF____PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-PDF____PDF.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:2952
    • 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\RFQ__PO_6353637355363-PDF____PDF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2020
    • C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-PDF____PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-PDF____PDF.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:4192

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        __PSScriptPolicyTest_z03ngpcm.jhl.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_z03ngpcm.jhl.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        memory/2020-51-0x0000000007700000-0x000000000771A000-memory.dmp

        memory/2020-53-0x0000000007980000-0x0000000007A16000-memory.dmp

        memory/2020-61-0x00000000753B0000-0x0000000075B60000-memory.dmp

        memory/2020-58-0x0000000007A20000-0x0000000007A28000-memory.dmp

        memory/2020-57-0x0000000007A40000-0x0000000007A5A000-memory.dmp

        memory/2020-56-0x0000000007940000-0x0000000007954000-memory.dmp

        memory/2020-55-0x0000000007930000-0x000000000793E000-memory.dmp

        memory/2020-54-0x0000000007900000-0x0000000007911000-memory.dmp

        memory/2020-30-0x0000000005E00000-0x0000000006154000-memory.dmp

        memory/2020-52-0x0000000007770000-0x000000000777A000-memory.dmp

        memory/2020-50-0x0000000007D50000-0x00000000083CA000-memory.dmp

        memory/2020-49-0x00000000075F0000-0x0000000007693000-memory.dmp

        memory/2020-48-0x0000000006980000-0x000000000699E000-memory.dmp

        memory/2020-38-0x0000000070F80000-0x0000000070FCC000-memory.dmp

        memory/2020-37-0x00000000075B0000-0x00000000075E2000-memory.dmp

        memory/2020-36-0x00000000063F0000-0x000000000643C000-memory.dmp

        memory/2020-17-0x00000000753B0000-0x0000000075B60000-memory.dmp

        memory/2020-19-0x0000000005400000-0x0000000005422000-memory.dmp

        memory/2020-21-0x0000000005D90000-0x0000000005DF6000-memory.dmp

        memory/2020-20-0x0000000005C70000-0x0000000005CD6000-memory.dmp

        memory/2020-23-0x00000000753B0000-0x0000000075B60000-memory.dmp

        memory/2020-24-0x00000000753B0000-0x0000000075B60000-memory.dmp

        memory/2020-35-0x00000000063C0000-0x00000000063DE000-memory.dmp

        memory/2020-18-0x00000000055D0000-0x0000000005BF8000-memory.dmp

        memory/2020-16-0x0000000002AD0000-0x0000000002B06000-memory.dmp

        memory/2952-3-0x00000000054B0000-0x0000000005542000-memory.dmp

        memory/2952-5-0x00000000753B0000-0x0000000075B60000-memory.dmp

        memory/2952-15-0x00000000753B0000-0x0000000075B60000-memory.dmp

        memory/2952-7-0x0000000005900000-0x000000000591E000-memory.dmp

        memory/2952-4-0x0000000005670000-0x000000000567A000-memory.dmp

        memory/2952-10-0x0000000004EA0000-0x0000000004F2C000-memory.dmp

        memory/2952-11-0x000000000C5D0000-0x000000000C66C000-memory.dmp

        memory/2952-0-0x00000000753BE000-0x00000000753BF000-memory.dmp

        memory/2952-2-0x0000000005960000-0x0000000005F04000-memory.dmp

        memory/2952-1-0x0000000000B40000-0x0000000000C04000-memory.dmp

        memory/2952-6-0x0000000006B80000-0x0000000006C36000-memory.dmp

        memory/2952-9-0x00000000753B0000-0x0000000075B60000-memory.dmp

        memory/2952-8-0x00000000753BE000-0x00000000753BF000-memory.dmp

        memory/4192-12-0x0000000000400000-0x0000000000448000-memory.dmp

        memory/4192-14-0x00000000753B0000-0x0000000075B60000-memory.dmp

        memory/4192-22-0x00000000753B0000-0x0000000075B60000-memory.dmp

        memory/4192-62-0x00000000753B0000-0x0000000075B60000-memory.dmp

        memory/4192-63-0x00000000753B0000-0x0000000075B60000-memory.dmp

        memory/4192-64-0x0000000006960000-0x0000000006B22000-memory.dmp

        memory/4192-65-0x0000000006800000-0x0000000006850000-memory.dmp