Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    17-11-2024 00:43

General

  • Target

    b07790927beaf1cc2d81cf76f0081c7c264c3133fe71437ca4bd26e220800d43.exe

  • Size

    796KB

  • MD5

    4cf66de9bfdf5bb65b4151f456db83df

  • SHA1

    8245fc47d7d1833882b90bbd1fe99d13b2335929

  • SHA256

    b07790927beaf1cc2d81cf76f0081c7c264c3133fe71437ca4bd26e220800d43

  • SHA512

    40a7727ee0786ab38fcedb5d0795e1524bba27e375fe0a756541e39412428b41a78674a546e492e388d3d0c69be75c405a9c4b1fde8fc9c21a08ddb702f8ce5d

  • SSDEEP

    24576:HwZRZ2F+K76bdAO5ZNWHX0xVgDJVqtjd:QN2gK7AZNW30xGixd

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7783218527:AAHN8_CA9nVnpNHtK0tB7lGdN14pvWhfSn8/sendMessage?chat_id=8178506397

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • 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.

  • 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b07790927beaf1cc2d81cf76f0081c7c264c3133fe71437ca4bd26e220800d43.exe
    "C:\Users\Admin\AppData\Local\Temp\b07790927beaf1cc2d81cf76f0081c7c264c3133fe71437ca4bd26e220800d43.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2536
    • C:\Users\Admin\AppData\Local\Temp\b07790927beaf1cc2d81cf76f0081c7c264c3133fe71437ca4bd26e220800d43.exe
      "C:\Users\Admin\AppData\Local\Temp\b07790927beaf1cc2d81cf76f0081c7c264c3133fe71437ca4bd26e220800d43.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:2556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2536-0-0x00000000741AE000-0x00000000741AF000-memory.dmp

    Filesize

    4KB

  • memory/2536-1-0x0000000001140000-0x000000000120E000-memory.dmp

    Filesize

    824KB

  • memory/2536-2-0x00000000741A0000-0x000000007488E000-memory.dmp

    Filesize

    6.9MB

  • memory/2536-3-0x0000000000430000-0x000000000044C000-memory.dmp

    Filesize

    112KB

  • memory/2536-4-0x00000000741AE000-0x00000000741AF000-memory.dmp

    Filesize

    4KB

  • memory/2536-5-0x00000000741A0000-0x000000007488E000-memory.dmp

    Filesize

    6.9MB

  • memory/2536-6-0x0000000000550000-0x00000000005DC000-memory.dmp

    Filesize

    560KB

  • memory/2536-22-0x00000000741A0000-0x000000007488E000-memory.dmp

    Filesize

    6.9MB

  • memory/2556-9-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2556-20-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2556-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2556-18-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2556-16-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2556-21-0x00000000741A0000-0x000000007488E000-memory.dmp

    Filesize

    6.9MB

  • memory/2556-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2556-13-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2556-7-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2556-23-0x00000000741A0000-0x000000007488E000-memory.dmp

    Filesize

    6.9MB

  • memory/2556-24-0x00000000741A0000-0x000000007488E000-memory.dmp

    Filesize

    6.9MB