Analysis

  • max time kernel
    138s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/03/2025, 16:49

General

  • Target

    Fiyatteklifihk.exe

  • Size

    744KB

  • MD5

    f41bb88f7e4dcf7da1752be392809076

  • SHA1

    a1d308e08021468587fb29bc902aae7f3ab415fc

  • SHA256

    db49472040ee226b7140171b9202e05386125f9b9e4ed7fce4509ed3c8a20db9

  • SHA512

    5d3c20b3f25affa7ac0ec365c532eafb36c8b3d01cf5aa50a677d9cc4b76fbe7be05482e1f1b79e47e764efa0e329dabb6b590ad081cff040546b925522a6301

  • SSDEEP

    12288:YdulYyOn6nzx7qJgB67Zlgns4HAJRt5O9uBsz8itCLH4G3HA2qU+F2d6qAQDHL:LY9n6nhb6CWO9uPZHA2z6qAQ

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 3 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Fiyatteklifihk.exe
    "C:\Users\Admin\AppData\Local\Temp\Fiyatteklifihk.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:1500
    • 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\Fiyatteklifihk.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4252
    • C:\Users\Admin\AppData\Local\Temp\Fiyatteklifihk.exe
      "C:\Users\Admin\AppData\Local\Temp\Fiyatteklifihk.exe"
      2⤵
        PID:4772
      • C:\Users\Admin\AppData\Local\Temp\Fiyatteklifihk.exe
        "C:\Users\Admin\AppData\Local\Temp\Fiyatteklifihk.exe"
        2⤵
          PID:3284
        • C:\Users\Admin\AppData\Local\Temp\Fiyatteklifihk.exe
          "C:\Users\Admin\AppData\Local\Temp\Fiyatteklifihk.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:4108

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_55g5mtw4.ath.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/1500-10-0x00000000067A0000-0x000000000683C000-memory.dmp

        Filesize

        624KB

      • memory/1500-14-0x00000000745A0000-0x0000000074D50000-memory.dmp

        Filesize

        7.7MB

      • memory/1500-3-0x00000000052A0000-0x0000000005332000-memory.dmp

        Filesize

        584KB

      • memory/1500-0-0x00000000745AE000-0x00000000745AF000-memory.dmp

        Filesize

        4KB

      • memory/1500-5-0x0000000005280000-0x000000000528A000-memory.dmp

        Filesize

        40KB

      • memory/1500-6-0x00000000065A0000-0x00000000065B8000-memory.dmp

        Filesize

        96KB

      • memory/1500-7-0x00000000745AE000-0x00000000745AF000-memory.dmp

        Filesize

        4KB

      • memory/1500-8-0x00000000745A0000-0x0000000074D50000-memory.dmp

        Filesize

        7.7MB

      • memory/1500-2-0x0000000005850000-0x0000000005DF4000-memory.dmp

        Filesize

        5.6MB

      • memory/1500-9-0x0000000006620000-0x00000000066AE000-memory.dmp

        Filesize

        568KB

      • memory/1500-4-0x00000000745A0000-0x0000000074D50000-memory.dmp

        Filesize

        7.7MB

      • memory/1500-1-0x00000000007E0000-0x00000000008A0000-memory.dmp

        Filesize

        768KB

      • memory/4108-11-0x0000000000400000-0x0000000000448000-memory.dmp

        Filesize

        288KB

      • memory/4108-64-0x0000000007270000-0x000000000779C000-memory.dmp

        Filesize

        5.2MB

      • memory/4108-63-0x00000000069F0000-0x0000000006A40000-memory.dmp

        Filesize

        320KB

      • memory/4108-62-0x0000000006B70000-0x0000000006D32000-memory.dmp

        Filesize

        1.8MB

      • memory/4108-61-0x00000000745A0000-0x0000000074D50000-memory.dmp

        Filesize

        7.7MB

      • memory/4108-24-0x00000000745A0000-0x0000000074D50000-memory.dmp

        Filesize

        7.7MB

      • memory/4108-13-0x00000000745A0000-0x0000000074D50000-memory.dmp

        Filesize

        7.7MB

      • memory/4252-23-0x00000000055F0000-0x0000000005944000-memory.dmp

        Filesize

        3.3MB

      • memory/4252-51-0x0000000006FA0000-0x0000000006FAA000-memory.dmp

        Filesize

        40KB

      • memory/4252-21-0x00000000054C0000-0x0000000005526000-memory.dmp

        Filesize

        408KB

      • memory/4252-22-0x00000000745A0000-0x0000000074D50000-memory.dmp

        Filesize

        7.7MB

      • memory/4252-20-0x0000000005450000-0x00000000054B6000-memory.dmp

        Filesize

        408KB

      • memory/4252-34-0x0000000005C00000-0x0000000005C1E000-memory.dmp

        Filesize

        120KB

      • memory/4252-35-0x0000000005C30000-0x0000000005C7C000-memory.dmp

        Filesize

        304KB

      • memory/4252-37-0x000000006FFD0000-0x000000007001C000-memory.dmp

        Filesize

        304KB

      • memory/4252-36-0x0000000006CF0000-0x0000000006D22000-memory.dmp

        Filesize

        200KB

      • memory/4252-48-0x0000000006D50000-0x0000000006DF3000-memory.dmp

        Filesize

        652KB

      • memory/4252-47-0x0000000006CD0000-0x0000000006CEE000-memory.dmp

        Filesize

        120KB

      • memory/4252-49-0x0000000007570000-0x0000000007BEA000-memory.dmp

        Filesize

        6.5MB

      • memory/4252-50-0x0000000006F20000-0x0000000006F3A000-memory.dmp

        Filesize

        104KB

      • memory/4252-19-0x0000000004D50000-0x0000000004D72000-memory.dmp

        Filesize

        136KB

      • memory/4252-52-0x00000000071A0000-0x0000000007236000-memory.dmp

        Filesize

        600KB

      • memory/4252-53-0x0000000007120000-0x0000000007131000-memory.dmp

        Filesize

        68KB

      • memory/4252-54-0x0000000007150000-0x000000000715E000-memory.dmp

        Filesize

        56KB

      • memory/4252-55-0x0000000007160000-0x0000000007174000-memory.dmp

        Filesize

        80KB

      • memory/4252-56-0x0000000007260000-0x000000000727A000-memory.dmp

        Filesize

        104KB

      • memory/4252-57-0x0000000007240000-0x0000000007248000-memory.dmp

        Filesize

        32KB

      • memory/4252-60-0x00000000745A0000-0x0000000074D50000-memory.dmp

        Filesize

        7.7MB

      • memory/4252-18-0x00000000745A0000-0x0000000074D50000-memory.dmp

        Filesize

        7.7MB

      • memory/4252-16-0x00000000745A0000-0x0000000074D50000-memory.dmp

        Filesize

        7.7MB

      • memory/4252-17-0x0000000004DB0000-0x00000000053D8000-memory.dmp

        Filesize

        6.2MB

      • memory/4252-15-0x0000000000E70000-0x0000000000EA6000-memory.dmp

        Filesize

        216KB