Analysis

  • max time kernel
    117s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 06:54

General

  • Target

    b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe

  • Size

    815KB

  • MD5

    4b95d663a28624b2651ef09806d6f999

  • SHA1

    bfb4c6ceba8957ac481083a009545ce2ab754ff0

  • SHA256

    b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751

  • SHA512

    13e2b66b940480d4173cb7cfa0c872664bc2d862d9de09a21a2bc2bbbe2a48d2f26ed73d86a0096e44e0d7ae42fc74474a37a007cac592ed3c7e79cbf4680516

  • SSDEEP

    24576:XsTo7do5wpkCEG9vG+3rG9SOSEHKpwsuv:A75CF9vGpHGwsG

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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 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\b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe
    "C:\Users\Admin\AppData\Local\Temp\b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2112
    • 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\b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2776
    • C:\Users\Admin\AppData\Local\Temp\b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe
      "C:\Users\Admin\AppData\Local\Temp\b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.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:2596

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2112-0-0x000000007433E000-0x000000007433F000-memory.dmp

    Filesize

    4KB

  • memory/2112-1-0x00000000011B0000-0x0000000001280000-memory.dmp

    Filesize

    832KB

  • memory/2112-2-0x0000000074330000-0x0000000074A1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2112-3-0x0000000000540000-0x0000000000552000-memory.dmp

    Filesize

    72KB

  • memory/2112-4-0x0000000074330000-0x0000000074A1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2112-5-0x0000000005680000-0x000000000570E000-memory.dmp

    Filesize

    568KB

  • memory/2112-21-0x0000000074330000-0x0000000074A1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2596-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2596-16-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2596-20-0x0000000074330000-0x0000000074A1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2596-14-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2596-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2596-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2596-10-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2596-8-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2596-6-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2596-22-0x0000000074330000-0x0000000074A1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2596-25-0x0000000074330000-0x0000000074A1E000-memory.dmp

    Filesize

    6.9MB