Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    09-12-2024 15:20

General

  • Target

    33cde8b96a04cb76b65cadc4ab706df69e05145a598c5fd47f80829ce72c24fe.exe

  • Size

    992KB

  • MD5

    5f39e9095fd1afafc7d03c8a16f93d3b

  • SHA1

    ec80f0c74c1a1147eedceda36bd0484d9113d7b2

  • SHA256

    33cde8b96a04cb76b65cadc4ab706df69e05145a598c5fd47f80829ce72c24fe

  • SHA512

    548e9c739278da7c8fe5ed059614b538cbf5bea3fad3de11f0c98cbd567970cb7d737d10b0dd16b9568a2da76b1f6527e119d1558e38460639a815109aea5d90

  • SSDEEP

    24576:SzJ+zxWJK0zxp2y6w1NpRjTUhGq0jXMp8l:SzJAWJKPjw1NTTYQTS8

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\33cde8b96a04cb76b65cadc4ab706df69e05145a598c5fd47f80829ce72c24fe.exe
    "C:\Users\Admin\AppData\Local\Temp\33cde8b96a04cb76b65cadc4ab706df69e05145a598c5fd47f80829ce72c24fe.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2384
    • 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\33cde8b96a04cb76b65cadc4ab706df69e05145a598c5fd47f80829ce72c24fe.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2724
    • C:\Users\Admin\AppData\Local\Temp\33cde8b96a04cb76b65cadc4ab706df69e05145a598c5fd47f80829ce72c24fe.exe
      "C:\Users\Admin\AppData\Local\Temp\33cde8b96a04cb76b65cadc4ab706df69e05145a598c5fd47f80829ce72c24fe.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:2760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2384-0-0x000000007463E000-0x000000007463F000-memory.dmp

    Filesize

    4KB

  • memory/2384-1-0x00000000013B0000-0x00000000014AE000-memory.dmp

    Filesize

    1016KB

  • memory/2384-2-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2384-3-0x0000000000490000-0x00000000004A2000-memory.dmp

    Filesize

    72KB

  • memory/2384-4-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2384-5-0x00000000051D0000-0x000000000525E000-memory.dmp

    Filesize

    568KB

  • memory/2384-23-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2760-16-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2760-18-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2760-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2760-12-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2760-10-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2760-8-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2760-6-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2760-22-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2760-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2760-24-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2760-27-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2760-28-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB