Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28/03/2025, 13:52

General

  • Target

    Factura 1-2501377.exe

  • Size

    735KB

  • MD5

    ba1ba279b7001f7a2062f51e4327b49a

  • SHA1

    67051fb8047015d225df80754353c95c256a337b

  • SHA256

    86d4c0b6d645041101606bc402ae23455d0e85fc4894455984d60855351ba2f5

  • SHA512

    ce5f96faffc09cf4ec1ee89426fceb830ed1b3e2451fe893b3528dde86e531ab5769c774ecd625b50d250dfda41ee285808dfbbaf7cbbb1da89da2b95033068a

  • SSDEEP

    12288:j7QiKaxPCJ9oQSX1vT8sqnqsP8lAyP29J8qUo/Bg2AcJN:/QiYJ9lSX1UqsEf23/BMcJN

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
  • 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.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Factura 1-2501377.exe
    "C:\Users\Admin\AppData\Local\Temp\Factura 1-2501377.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Users\Admin\AppData\Local\Temp\Factura 1-2501377.exe
      "C:\Users\Admin\AppData\Local\Temp\Factura 1-2501377.exe"
      2⤵
        PID:1924
      • C:\Users\Admin\AppData\Local\Temp\Factura 1-2501377.exe
        "C:\Users\Admin\AppData\Local\Temp\Factura 1-2501377.exe"
        2⤵
          PID:2108
        • C:\Users\Admin\AppData\Local\Temp\Factura 1-2501377.exe
          "C:\Users\Admin\AppData\Local\Temp\Factura 1-2501377.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:2948

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2484-0-0x000000007413E000-0x000000007413F000-memory.dmp

        Filesize

        4KB

      • memory/2484-1-0x0000000000010000-0x00000000000CC000-memory.dmp

        Filesize

        752KB

      • memory/2484-2-0x0000000074130000-0x000000007481E000-memory.dmp

        Filesize

        6.9MB

      • memory/2484-3-0x0000000000AE0000-0x0000000000AF8000-memory.dmp

        Filesize

        96KB

      • memory/2484-4-0x000000007413E000-0x000000007413F000-memory.dmp

        Filesize

        4KB

      • memory/2484-5-0x0000000074130000-0x000000007481E000-memory.dmp

        Filesize

        6.9MB

      • memory/2484-6-0x0000000005480000-0x000000000550E000-memory.dmp

        Filesize

        568KB

      • memory/2484-21-0x0000000074130000-0x000000007481E000-memory.dmp

        Filesize

        6.9MB

      • memory/2948-7-0x0000000000400000-0x000000000044A000-memory.dmp

        Filesize

        296KB

      • memory/2948-11-0x0000000000400000-0x000000000044A000-memory.dmp

        Filesize

        296KB

      • memory/2948-19-0x0000000000400000-0x000000000044A000-memory.dmp

        Filesize

        296KB

      • memory/2948-20-0x0000000074130000-0x000000007481E000-memory.dmp

        Filesize

        6.9MB

      • memory/2948-17-0x0000000000400000-0x000000000044A000-memory.dmp

        Filesize

        296KB

      • memory/2948-15-0x0000000000400000-0x000000000044A000-memory.dmp

        Filesize

        296KB

      • memory/2948-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2948-12-0x0000000000400000-0x000000000044A000-memory.dmp

        Filesize

        296KB

      • memory/2948-9-0x0000000000400000-0x000000000044A000-memory.dmp

        Filesize

        296KB

      • memory/2948-22-0x0000000074130000-0x000000007481E000-memory.dmp

        Filesize

        6.9MB

      • memory/2948-23-0x0000000074130000-0x000000007481E000-memory.dmp

        Filesize

        6.9MB