Analysis

  • max time kernel
    121s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2024 05:15

General

  • Target

    Overdue Invoices2.exe

  • Size

    993KB

  • MD5

    6d4d3a02ec57daf6c2bbd7a10091b3b6

  • SHA1

    da5738e98d1e876b1488cce6423ec6ab315cb6d7

  • SHA256

    4cbe8b8e32857886cae80d2249216f71c9d97df2c4f4574211357acd6cc95dfd

  • SHA512

    45bd166a2bf62e51a1f4e50d3e543636a70591081d750fae7a4c7cc0109ae2eb1febc1293197a195d1bc1fd718f61824a972d4d48951abfee4aca28d68e7f6d5

  • SSDEEP

    24576:8u6J33O0c+JY5UZ+XC0kGso6FaHYJ4CPbtxWY:mu0c++OCvkGs9FaHS4gmY

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
  • 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.

  • 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 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Overdue Invoices2.exe
    "C:\Users\Admin\AppData\Local\Temp\Overdue Invoices2.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:628
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\Overdue Invoices2.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:1044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/628-10-0x00000000005B0000-0x00000000005B4000-memory.dmp

    Filesize

    16KB

  • memory/1044-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1044-13-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1044-15-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1044-16-0x000000007422E000-0x000000007422F000-memory.dmp

    Filesize

    4KB

  • memory/1044-17-0x0000000074220000-0x000000007490E000-memory.dmp

    Filesize

    6.9MB

  • memory/1044-18-0x000000007422E000-0x000000007422F000-memory.dmp

    Filesize

    4KB

  • memory/1044-19-0x0000000074220000-0x000000007490E000-memory.dmp

    Filesize

    6.9MB