Analysis

  • max time kernel
    95s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2024 07:58

General

  • Target

    invoice.exe

  • Size

    777KB

  • MD5

    69f5ec778e467c7d87f15b201c893816

  • SHA1

    4e2b63cce411847e95177765064b3fc03463590b

  • SHA256

    a433aa981a5cbfd5fae678c523b088d034f61f57dcb61232fbaba73657867b36

  • SHA512

    8c31ed6c55abfb8d4e5ab9f8b39d05571a583322385a7fc28427f48326ec5e43e9c66c99748e0c53cbc98c904175ffa82aac5d539121c095dda06355b6b7890b

  • SSDEEP

    24576:vOGaAeBqAiwCZDOwl3UYfWFEBftBW2Zye:4LgAiTZDhlRWFEBVw2ZF

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    foxwagon-equipment.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    SVBd8Gv^}!B1

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • 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.

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\invoice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3480
    • C:\Users\Admin\AppData\Local\Temp\invoice.exe
      "C:\Users\Admin\AppData\Local\Temp\invoice.exe"
      2⤵
        PID:984
      • C:\Users\Admin\AppData\Local\Temp\invoice.exe
        "C:\Users\Admin\AppData\Local\Temp\invoice.exe"
        2⤵
          PID:1932
        • C:\Users\Admin\AppData\Local\Temp\invoice.exe
          "C:\Users\Admin\AppData\Local\Temp\invoice.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:4964

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\invoice.exe.log

        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • memory/3480-5-0x0000000074850000-0x0000000075000000-memory.dmp

        Filesize

        7.7MB

      • memory/3480-0-0x000000007485E000-0x000000007485F000-memory.dmp

        Filesize

        4KB

      • memory/3480-11-0x000000000C940000-0x000000000C9DC000-memory.dmp

        Filesize

        624KB

      • memory/3480-1-0x0000000000DB0000-0x0000000000E76000-memory.dmp

        Filesize

        792KB

      • memory/3480-16-0x0000000074850000-0x0000000075000000-memory.dmp

        Filesize

        7.7MB

      • memory/3480-6-0x0000000006F10000-0x0000000006FC8000-memory.dmp

        Filesize

        736KB

      • memory/3480-7-0x0000000005EB0000-0x0000000005ECE000-memory.dmp

        Filesize

        120KB

      • memory/3480-8-0x000000007485E000-0x000000007485F000-memory.dmp

        Filesize

        4KB

      • memory/3480-9-0x0000000074850000-0x0000000075000000-memory.dmp

        Filesize

        7.7MB

      • memory/3480-10-0x00000000030E0000-0x000000000316C000-memory.dmp

        Filesize

        560KB

      • memory/3480-3-0x0000000005860000-0x00000000058F2000-memory.dmp

        Filesize

        584KB

      • memory/3480-2-0x0000000005EF0000-0x0000000006494000-memory.dmp

        Filesize

        5.6MB

      • memory/3480-4-0x0000000005900000-0x000000000590A000-memory.dmp

        Filesize

        40KB

      • memory/4964-12-0x0000000000400000-0x000000000044A000-memory.dmp

        Filesize

        296KB

      • memory/4964-15-0x0000000074850000-0x0000000075000000-memory.dmp

        Filesize

        7.7MB

      • memory/4964-17-0x0000000074850000-0x0000000075000000-memory.dmp

        Filesize

        7.7MB

      • memory/4964-18-0x0000000006C20000-0x0000000006DE2000-memory.dmp

        Filesize

        1.8MB

      • memory/4964-19-0x0000000006AA0000-0x0000000006AF0000-memory.dmp

        Filesize

        320KB

      • memory/4964-20-0x0000000074850000-0x0000000075000000-memory.dmp

        Filesize

        7.7MB

      • memory/4964-21-0x0000000007320000-0x000000000784C000-memory.dmp

        Filesize

        5.2MB

      • memory/4964-22-0x0000000074850000-0x0000000075000000-memory.dmp

        Filesize

        7.7MB