Analysis

  • max time kernel
    74s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    13-11-2024 11:13

General

  • Target

    3f98154dfa957eb333cae8aea1c9d03234145c5f7c72a185c3e95500a07f214d.exe

  • Size

    1.0MB

  • MD5

    0b891157f2ea1221e38c67a9c51ce0af

  • SHA1

    afbd8410c8c8d892cbc4d4901d46d7edbea5e8e0

  • SHA256

    3f98154dfa957eb333cae8aea1c9d03234145c5f7c72a185c3e95500a07f214d

  • SHA512

    8d3891065ba68590eb7b6a8f0f645c13274f7b1e225b4412ec9989b16ca8bdf37b3e014e31954a9f933477162c0000e53cb9404a9201742064eb3c16028bf738

  • SSDEEP

    24576:Ar7nRmn86KOYj5bRQ4lthLGe6wSOc6aEDWJM5f:ARm3KJbHhR86aEyJq

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.

  • 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f98154dfa957eb333cae8aea1c9d03234145c5f7c72a185c3e95500a07f214d.exe
    "C:\Users\Admin\AppData\Local\Temp\3f98154dfa957eb333cae8aea1c9d03234145c5f7c72a185c3e95500a07f214d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:432
    • 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\3f98154dfa957eb333cae8aea1c9d03234145c5f7c72a185c3e95500a07f214d.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2836
    • C:\Users\Admin\AppData\Local\Temp\3f98154dfa957eb333cae8aea1c9d03234145c5f7c72a185c3e95500a07f214d.exe
      "C:\Users\Admin\AppData\Local\Temp\3f98154dfa957eb333cae8aea1c9d03234145c5f7c72a185c3e95500a07f214d.exe"
      2⤵
        PID:2904
      • C:\Users\Admin\AppData\Local\Temp\3f98154dfa957eb333cae8aea1c9d03234145c5f7c72a185c3e95500a07f214d.exe
        "C:\Users\Admin\AppData\Local\Temp\3f98154dfa957eb333cae8aea1c9d03234145c5f7c72a185c3e95500a07f214d.exe"
        2⤵
          PID:2908
        • C:\Users\Admin\AppData\Local\Temp\3f98154dfa957eb333cae8aea1c9d03234145c5f7c72a185c3e95500a07f214d.exe
          "C:\Users\Admin\AppData\Local\Temp\3f98154dfa957eb333cae8aea1c9d03234145c5f7c72a185c3e95500a07f214d.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:2952

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/432-0-0x00000000749AE000-0x00000000749AF000-memory.dmp

        Filesize

        4KB

      • memory/432-1-0x0000000000870000-0x0000000000978000-memory.dmp

        Filesize

        1.0MB

      • memory/432-2-0x00000000749A0000-0x000000007508E000-memory.dmp

        Filesize

        6.9MB

      • memory/432-3-0x0000000000290000-0x00000000002A2000-memory.dmp

        Filesize

        72KB

      • memory/432-4-0x00000000749AE000-0x00000000749AF000-memory.dmp

        Filesize

        4KB

      • memory/432-5-0x00000000749A0000-0x000000007508E000-memory.dmp

        Filesize

        6.9MB

      • memory/432-6-0x0000000004EE0000-0x0000000004F6E000-memory.dmp

        Filesize

        568KB

      • memory/432-23-0x00000000749A0000-0x000000007508E000-memory.dmp

        Filesize

        6.9MB

      • memory/2952-19-0x0000000000400000-0x0000000000448000-memory.dmp

        Filesize

        288KB

      • memory/2952-21-0x0000000000400000-0x0000000000448000-memory.dmp

        Filesize

        288KB

      • memory/2952-22-0x00000000749A0000-0x000000007508E000-memory.dmp

        Filesize

        6.9MB

      • memory/2952-16-0x0000000000400000-0x0000000000448000-memory.dmp

        Filesize

        288KB

      • memory/2952-12-0x0000000000400000-0x0000000000448000-memory.dmp

        Filesize

        288KB

      • memory/2952-10-0x0000000000400000-0x0000000000448000-memory.dmp

        Filesize

        288KB

      • memory/2952-9-0x0000000000400000-0x0000000000448000-memory.dmp

        Filesize

        288KB

      • memory/2952-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2952-7-0x0000000000400000-0x0000000000448000-memory.dmp

        Filesize

        288KB

      • memory/2952-26-0x00000000749A0000-0x000000007508E000-memory.dmp

        Filesize

        6.9MB