Analysis

  • max time kernel
    117s
  • max time network
    160s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26/02/2025, 06:36

General

  • Target

    8391104.exe

  • Size

    758KB

  • MD5

    50afdccb067af3ab7d20942e7bfc900a

  • SHA1

    3d4e821d0a4e22efb13840a8df9febb7cb2e93de

  • SHA256

    5e27c8b30586c5da69dab625c07db9ef9750213c1ea0053e35f62c098570d187

  • SHA512

    9b015501b7c4c316f1d0f05d5872db7dbb5e093a23e3addb309ed8cc7c6a540b923c3c06c309b6d538eb5a219c89d9cde24e87164a786fbdbd275acde7ac9cc8

  • SSDEEP

    12288:jk383le9ciHHsOGOXzLfLw+zQ9n10wJJCkItJO9YRmJAHBUgQFlx02KJHtJp1g+:jW3NSOXzLTm+wiHtF+CBdCl22K9Hg+

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 3 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 4 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8391104.exe
    "C:\Users\Admin\AppData\Local\Temp\8391104.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HyiSGmoZImhJVO.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2732
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HyiSGmoZImhJVO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE1A8.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2804
    • C:\Users\Admin\AppData\Local\Temp\8391104.exe
      "C:\Users\Admin\AppData\Local\Temp\8391104.exe"
      2⤵
        PID:2912
      • C:\Users\Admin\AppData\Local\Temp\8391104.exe
        "C:\Users\Admin\AppData\Local\Temp\8391104.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:2768

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpE1A8.tmp

      Filesize

      1KB

      MD5

      f03b1456d1d2d65df8a699e04b49d245

      SHA1

      780794b9d43e913ad5062489d1e99d315f1eed19

      SHA256

      f57965e553e3753392c0d3c5c054b0fc131b5e8022bcf009ba75d18e55bc1c03

      SHA512

      276f0f00ef4d63aad4439d696d0574fabef5514f9821d10e69c331e353cd6eebcedeca3b447c99efe14c5eb78fa38b28c767dcd1c191e3964c87be6b3287789a

    • memory/2520-27-0x0000000074190000-0x000000007487E000-memory.dmp

      Filesize

      6.9MB

    • memory/2520-1-0x00000000000F0000-0x00000000001B4000-memory.dmp

      Filesize

      784KB

    • memory/2520-2-0x0000000074190000-0x000000007487E000-memory.dmp

      Filesize

      6.9MB

    • memory/2520-3-0x0000000001FD0000-0x0000000001FE8000-memory.dmp

      Filesize

      96KB

    • memory/2520-4-0x000000007419E000-0x000000007419F000-memory.dmp

      Filesize

      4KB

    • memory/2520-5-0x0000000074190000-0x000000007487E000-memory.dmp

      Filesize

      6.9MB

    • memory/2520-6-0x0000000004EB0000-0x0000000004F3E000-memory.dmp

      Filesize

      568KB

    • memory/2520-0-0x000000007419E000-0x000000007419F000-memory.dmp

      Filesize

      4KB

    • memory/2768-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2768-26-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/2768-23-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/2768-20-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/2768-18-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/2768-16-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/2768-14-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/2768-24-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB