Analysis

  • max time kernel
    121s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2024 03:06

General

  • Target

    b18c49928df6ae4731974d6c30dea8b4149e12d6b3e1f916c7f7deb7e6db33ec.exe

  • Size

    782KB

  • MD5

    f48321315b6243f8a68c81f742237119

  • SHA1

    5362e11b2fab8a0fe25aab50d34dcc196aa50dd7

  • SHA256

    b18c49928df6ae4731974d6c30dea8b4149e12d6b3e1f916c7f7deb7e6db33ec

  • SHA512

    b5bdb53a130af093a452343ffe9d232b91a31a41089c11cd7be46606a6de5ed14559337d0d1ad150442c734067a833bf5177bbd3509679c87a1a76065b6cdc34

  • SSDEEP

    12288:QVIR4R52J+XtIK6YMNM7zPNQZDwzxeWh3/2Knr5CQikJYLHtaIR:QVIeeXKCNM7x0SJOePKgI

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\b18c49928df6ae4731974d6c30dea8b4149e12d6b3e1f916c7f7deb7e6db33ec.exe
    "C:\Users\Admin\AppData\Local\Temp\b18c49928df6ae4731974d6c30dea8b4149e12d6b3e1f916c7f7deb7e6db33ec.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2356
    • 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\b18c49928df6ae4731974d6c30dea8b4149e12d6b3e1f916c7f7deb7e6db33ec.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2900
    • C:\Users\Admin\AppData\Local\Temp\b18c49928df6ae4731974d6c30dea8b4149e12d6b3e1f916c7f7deb7e6db33ec.exe
      "C:\Users\Admin\AppData\Local\Temp\b18c49928df6ae4731974d6c30dea8b4149e12d6b3e1f916c7f7deb7e6db33ec.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:856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/856-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/856-26-0x0000000074DE0000-0x00000000754CE000-memory.dmp

    Filesize

    6.9MB

  • memory/856-25-0x0000000074DE0000-0x00000000754CE000-memory.dmp

    Filesize

    6.9MB

  • memory/856-22-0x0000000074DE0000-0x00000000754CE000-memory.dmp

    Filesize

    6.9MB

  • memory/856-20-0x0000000074DE0000-0x00000000754CE000-memory.dmp

    Filesize

    6.9MB

  • memory/856-7-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/856-9-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/856-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/856-17-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/856-15-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/856-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/856-12-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2356-5-0x0000000074DE0000-0x00000000754CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2356-6-0x0000000004960000-0x00000000049EE000-memory.dmp

    Filesize

    568KB

  • memory/2356-0-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

    Filesize

    4KB

  • memory/2356-21-0x0000000074DE0000-0x00000000754CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2356-4-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

    Filesize

    4KB

  • memory/2356-2-0x00000000004C0000-0x00000000004D8000-memory.dmp

    Filesize

    96KB

  • memory/2356-3-0x0000000074DE0000-0x00000000754CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2356-1-0x0000000001010000-0x00000000010DA000-memory.dmp

    Filesize

    808KB