Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    28/03/2025, 13:56

General

  • Target

    Factura1-2501377.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 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\Factura1-2501377.exe
    "C:\Users\Admin\AppData\Local\Temp\Factura1-2501377.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2568
    • C:\Users\Admin\AppData\Local\Temp\Factura1-2501377.exe
      "C:\Users\Admin\AppData\Local\Temp\Factura1-2501377.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:2836

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2568-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

    Filesize

    4KB

  • memory/2568-1-0x0000000000180000-0x000000000023C000-memory.dmp

    Filesize

    752KB

  • memory/2568-2-0x00000000749F0000-0x00000000750DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2568-3-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2568-4-0x00000000749FE000-0x00000000749FF000-memory.dmp

    Filesize

    4KB

  • memory/2568-5-0x00000000749F0000-0x00000000750DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2568-6-0x0000000004B60000-0x0000000004BEE000-memory.dmp

    Filesize

    568KB

  • memory/2568-21-0x00000000749F0000-0x00000000750DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2836-19-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2836-17-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2836-15-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2836-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2836-12-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2836-11-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2836-9-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2836-20-0x00000000749F0000-0x00000000750DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2836-7-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2836-22-0x00000000749F0000-0x00000000750DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2836-23-0x00000000749F0000-0x00000000750DE000-memory.dmp

    Filesize

    6.9MB