Analysis

  • max time kernel
    120s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2024 04:10

General

  • Target

    INQUIRY_pdf.exe

  • Size

    885KB

  • MD5

    0eff2e486b1c46cbf55bc4284355f1ee

  • SHA1

    f9a921a9ef66c0c1c0fcd6fe02aafc8461f05691

  • SHA256

    b7bbe88d2daceef7fdbd706adbdf6532976f23916701739ee0987f77f36b980a

  • SHA512

    b52122ca5444d606775d7426b7e19bd3090a89c486585c88b33b9fd57a7d87f0e591b7395b538646d93f2d9463d21f281ea5a4a57afb8c12a66d067dc0e3b20b

  • SSDEEP

    24576:t2xjaLCnYnbUX2bWOTk7k86ht45oS93GyIrKa:ADnYi6WMlxtxS93GNrK

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:3044
    • 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:2868
    • 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:2900

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2900-22-0x0000000074720000-0x0000000074E0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2900-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2900-17-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2900-15-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2900-23-0x0000000074720000-0x0000000074E0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2900-7-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2900-9-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2900-20-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2900-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2900-26-0x0000000074720000-0x0000000074E0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2900-12-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3044-5-0x0000000074720000-0x0000000074E0E000-memory.dmp

    Filesize

    6.9MB

  • memory/3044-0-0x000000007472E000-0x000000007472F000-memory.dmp

    Filesize

    4KB

  • memory/3044-21-0x0000000074720000-0x0000000074E0E000-memory.dmp

    Filesize

    6.9MB

  • memory/3044-2-0x0000000074720000-0x0000000074E0E000-memory.dmp

    Filesize

    6.9MB

  • memory/3044-6-0x0000000005F50000-0x0000000005FDE000-memory.dmp

    Filesize

    568KB

  • memory/3044-1-0x0000000001050000-0x0000000001132000-memory.dmp

    Filesize

    904KB

  • memory/3044-4-0x000000007472E000-0x000000007472F000-memory.dmp

    Filesize

    4KB

  • memory/3044-3-0x00000000003F0000-0x0000000000408000-memory.dmp

    Filesize

    96KB