Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    22-10-2024 13:06

General

  • Target

    7vbu8ZW8lFI8mn5.exe

  • Size

    730KB

  • MD5

    07188bef748562cde18f2b77f76bae94

  • SHA1

    70f3fddd3fb0030e4e7422a41d560374c463e1dc

  • SHA256

    2a53872f573a1817be1848779e60c7db22501badc0afd7f364ee30a77dce3395

  • SHA512

    fab75b7746af8b04bda1361737d47e33bb770be79872830722bf4affe2231d222c01032f73f48d92268027a20e0eb230c7c8ff3a94b6813b2ce4dd445e6ddf94

  • SSDEEP

    12288:EYkhMOoltiJE75jOnBtT/6YDr33baequP3y5Mg1YHJGtG3r8Ru4ZiOQkx:EYkh5oDiJftTDzagPfg2pGtQr87Zr

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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\7vbu8ZW8lFI8mn5.exe
    "C:\Users\Admin\AppData\Local\Temp\7vbu8ZW8lFI8mn5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2032
    • 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\7vbu8ZW8lFI8mn5.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2124
    • C:\Users\Admin\AppData\Local\Temp\7vbu8ZW8lFI8mn5.exe
      "C:\Users\Admin\AppData\Local\Temp\7vbu8ZW8lFI8mn5.exe"
      2⤵
        PID:1032
      • C:\Users\Admin\AppData\Local\Temp\7vbu8ZW8lFI8mn5.exe
        "C:\Users\Admin\AppData\Local\Temp\7vbu8ZW8lFI8mn5.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:2740

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2032-0-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

      Filesize

      4KB

    • memory/2032-1-0x0000000000A70000-0x0000000000B2C000-memory.dmp

      Filesize

      752KB

    • memory/2032-2-0x0000000074A30000-0x000000007511E000-memory.dmp

      Filesize

      6.9MB

    • memory/2032-3-0x00000000005B0000-0x00000000005CC000-memory.dmp

      Filesize

      112KB

    • memory/2032-4-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

      Filesize

      4KB

    • memory/2032-5-0x0000000074A30000-0x000000007511E000-memory.dmp

      Filesize

      6.9MB

    • memory/2032-6-0x0000000005240000-0x00000000052CA000-memory.dmp

      Filesize

      552KB

    • memory/2032-20-0x0000000074A30000-0x000000007511E000-memory.dmp

      Filesize

      6.9MB

    • memory/2740-10-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2740-15-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2740-19-0x0000000074A30000-0x000000007511E000-memory.dmp

      Filesize

      6.9MB

    • memory/2740-18-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2740-8-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2740-7-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2740-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2740-9-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2740-13-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2740-23-0x0000000074A30000-0x000000007511E000-memory.dmp

      Filesize

      6.9MB