Analysis

  • max time kernel
    122s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-12-2024 01:30

General

  • Target

    2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe

  • Size

    673KB

  • MD5

    33eec03b8f5fef48079df422fdd0e351

  • SHA1

    fcefeb1854e2b2db2ab82338e8fadcc5636190b8

  • SHA256

    70b4aca3d25ee89ae7511d1a478237b9d5069697e32291e9fba08faf048af0e1

  • SHA512

    140b19c2b7abc0e14090a7818966ed016eaf1e556574db846f9313bb2496dced09d407d840c5fb1788c0e4222cc3ab695bd11df7a0b3bcc8bf4035fdc8af461b

  • SSDEEP

    12288:kqWhGbN//QrmOT14HVTu5YxUhQzjakG2fC/WlyP3K6ufcFzfd8eVt6j1Zxxxxxxo:VXdOTiVTu5YxUhYjakG2f5l6puWd8kQX

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7269639819:AAEhAhUQSG9Gc6LkCmuL5O3qAZPTOuQdnsQ/sendMessage?chat_id=1984778786

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 and hide display window.

  • Drops startup file 2 IoCs
  • 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.

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2668
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Drops startup file
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2804
    • C:\Users\Admin\AppData\Local\Temp\2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.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:2808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2668-11-0x0000000000510000-0x0000000000518000-memory.dmp

    Filesize

    32KB

  • memory/2668-1-0x0000000000EE0000-0x0000000000F8E000-memory.dmp

    Filesize

    696KB

  • memory/2668-2-0x0000000074750000-0x0000000074E3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2668-3-0x0000000004B50000-0x0000000004BE0000-memory.dmp

    Filesize

    576KB

  • memory/2668-0-0x000000007475E000-0x000000007475F000-memory.dmp

    Filesize

    4KB

  • memory/2668-32-0x0000000074750000-0x0000000074E3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2668-31-0x000000007475E000-0x000000007475F000-memory.dmp

    Filesize

    4KB

  • memory/2804-6-0x000000006F561000-0x000000006F562000-memory.dmp

    Filesize

    4KB

  • memory/2804-7-0x000000006F560000-0x000000006FB0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2804-8-0x000000006F560000-0x000000006FB0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2804-9-0x000000006F560000-0x000000006FB0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2804-10-0x000000006F560000-0x000000006FB0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2804-30-0x000000006F560000-0x000000006FB0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2808-12-0x0000000000080000-0x00000000000E2000-memory.dmp

    Filesize

    392KB

  • memory/2808-20-0x0000000000080000-0x00000000000E2000-memory.dmp

    Filesize

    392KB

  • memory/2808-19-0x0000000000080000-0x00000000000E2000-memory.dmp

    Filesize

    392KB

  • memory/2808-16-0x0000000000080000-0x00000000000E2000-memory.dmp

    Filesize

    392KB

  • memory/2808-15-0x0000000000080000-0x00000000000E2000-memory.dmp

    Filesize

    392KB

  • memory/2808-14-0x0000000000080000-0x00000000000E2000-memory.dmp

    Filesize

    392KB

  • memory/2808-28-0x0000000000080000-0x00000000000E2000-memory.dmp

    Filesize

    392KB

  • memory/2808-24-0x0000000000080000-0x00000000000E2000-memory.dmp

    Filesize

    392KB

  • memory/2808-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB