Analysis

  • max time kernel
    118s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2024 08:04

General

  • Target

    INQUIRY_pdf.exe

  • Size

    749KB

  • MD5

    3885966389f63ca00a45ff5aa413ec37

  • SHA1

    b154cc76e443fa9b3f697a430c95146e5d7261f3

  • SHA256

    0c8cf2991746319e1f1782ad0677c671abc6c3b53129fcbafd93ede7e60c4a8b

  • SHA512

    330b6f2f09ae9600134e4280f1a7b9f92ddc44b6fcb107bb42285eb810cb408a05b6c5f6b113991a6d365d37757caacf6f0315a3f75a1a6092d24fcb0501dfb9

  • SSDEEP

    12288:kbeXO/k6POZAJZhwDFkc+shhna2BE6tRcbi+gwrHBAnfBKPtM:KeXGk6WShoxhnaIRRc++guCAV

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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\INQUIRY_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\INQUIRY_pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2092
    • 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\INQUIRY_pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2060
    • C:\Users\Admin\AppData\Local\Temp\INQUIRY_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\INQUIRY_pdf.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:2052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2052-9-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2052-13-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2052-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2052-28-0x0000000074CC0000-0x00000000753AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2052-22-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2052-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2052-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2052-23-0x0000000074CC0000-0x00000000753AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2052-29-0x0000000074CC0000-0x00000000753AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2052-25-0x0000000074CC0000-0x00000000753AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2052-7-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2052-17-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2092-6-0x0000000004CD0000-0x0000000004D5E000-memory.dmp

    Filesize

    568KB

  • memory/2092-1-0x0000000001040000-0x0000000001102000-memory.dmp

    Filesize

    776KB

  • memory/2092-5-0x0000000074CC0000-0x00000000753AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2092-0-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

    Filesize

    4KB

  • memory/2092-24-0x0000000074CC0000-0x00000000753AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2092-4-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

    Filesize

    4KB

  • memory/2092-3-0x0000000000630000-0x000000000064C000-memory.dmp

    Filesize

    112KB

  • memory/2092-2-0x0000000074CC0000-0x00000000753AE000-memory.dmp

    Filesize

    6.9MB