Analysis

  • max time kernel
    106s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2024 06:26

General

  • Target

    PI-96328635,PDF.exe

  • Size

    1.2MB

  • MD5

    f5dfde6ad31a771c96b361f25cb13940

  • SHA1

    9331a1f3001723f5019a44c3464bcb82e77af9a2

  • SHA256

    2b0bcf9e108013c5975c56642984a7e5faec8173b87f6671461c98ed3ba75a84

  • SHA512

    e18b3a9bb4b3fa4051ea7545f986a7c15ac74b40ed4e3a0a773a1deca1ba37844cf00a3e67b36b0cf90d618f9634ee4c8644eb2b65459d0f21698d75010f9bb8

  • SSDEEP

    24576:uRmJkcoQricOIQxiZY1iaCHhUCEkrtxt2lajjrZiDPvDJJ/V5Lq970:7JZoQrbTFZY1iaC6krcGrZiDXFJ/j2x0

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.

  • 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 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PI-96328635,PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\PI-96328635,PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1192
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\PI-96328635,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:2080

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1192-2-0x0000000004280000-0x0000000004480000-memory.dmp

    Filesize

    2.0MB

  • memory/2080-3-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2080-4-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

    Filesize

    4KB

  • memory/2080-5-0x0000000005EE0000-0x0000000006484000-memory.dmp

    Filesize

    5.6MB

  • memory/2080-6-0x00000000059D0000-0x0000000005A6C000-memory.dmp

    Filesize

    624KB

  • memory/2080-7-0x0000000074A80000-0x0000000075230000-memory.dmp

    Filesize

    7.7MB

  • memory/2080-8-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

    Filesize

    4KB

  • memory/2080-9-0x0000000006E30000-0x0000000006FF2000-memory.dmp

    Filesize

    1.8MB

  • memory/2080-10-0x0000000006CD0000-0x0000000006D20000-memory.dmp

    Filesize

    320KB

  • memory/2080-11-0x0000000074A80000-0x0000000075230000-memory.dmp

    Filesize

    7.7MB

  • memory/2080-12-0x0000000007000000-0x0000000007092000-memory.dmp

    Filesize

    584KB

  • memory/2080-13-0x0000000006DE0000-0x0000000006DEA000-memory.dmp

    Filesize

    40KB