Analysis

  • max time kernel
    121s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 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:3716
    • C:\Users\Admin\AppData\Local\Temp\Factura 1-2501377.exe
      "C:\Users\Admin\AppData\Local\Temp\Factura 1-2501377.exe"
      2⤵
        PID:3680
      • 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:3204

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Factura 1-2501377.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/3204-11-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/3204-20-0x0000000006BE0000-0x000000000710C000-memory.dmp

      Filesize

      5.2MB

    • memory/3204-19-0x0000000006260000-0x00000000062B0000-memory.dmp

      Filesize

      320KB

    • memory/3204-18-0x00000000063E0000-0x00000000065A2000-memory.dmp

      Filesize

      1.8MB

    • memory/3204-17-0x0000000074440000-0x0000000074BF0000-memory.dmp

      Filesize

      7.7MB

    • memory/3204-16-0x0000000074440000-0x0000000074BF0000-memory.dmp

      Filesize

      7.7MB

    • memory/3204-14-0x0000000074440000-0x0000000074BF0000-memory.dmp

      Filesize

      7.7MB

    • memory/3716-5-0x0000000005740000-0x00000000057DC000-memory.dmp

      Filesize

      624KB

    • memory/3716-9-0x0000000074440000-0x0000000074BF0000-memory.dmp

      Filesize

      7.7MB

    • memory/3716-10-0x0000000006950000-0x00000000069DE000-memory.dmp

      Filesize

      568KB

    • memory/3716-8-0x000000007444E000-0x000000007444F000-memory.dmp

      Filesize

      4KB

    • memory/3716-7-0x0000000005930000-0x0000000005948000-memory.dmp

      Filesize

      96KB

    • memory/3716-6-0x0000000074440000-0x0000000074BF0000-memory.dmp

      Filesize

      7.7MB

    • memory/3716-15-0x0000000074440000-0x0000000074BF0000-memory.dmp

      Filesize

      7.7MB

    • memory/3716-0-0x000000007444E000-0x000000007444F000-memory.dmp

      Filesize

      4KB

    • memory/3716-4-0x0000000005470000-0x000000000547A000-memory.dmp

      Filesize

      40KB

    • memory/3716-3-0x0000000005490000-0x0000000005522000-memory.dmp

      Filesize

      584KB

    • memory/3716-2-0x0000000005B30000-0x00000000060D4000-memory.dmp

      Filesize

      5.6MB

    • memory/3716-1-0x0000000000A10000-0x0000000000ACC000-memory.dmp

      Filesize

      752KB