Analysis

  • max time kernel
    105s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2024 10:59

General

  • Target

    d17b05e32a5fc1c63c16f4e03c290cd7e877e1c1ede63075c431a629ffa8a44b.exe

  • Size

    620KB

  • MD5

    6b10db2cc19d6d1d006b7f7f2086aead

  • SHA1

    a5766a12713c410c6f3f93489cf849397f1aa0c6

  • SHA256

    d17b05e32a5fc1c63c16f4e03c290cd7e877e1c1ede63075c431a629ffa8a44b

  • SHA512

    2d953e678157baa6302a4d81e8c0004e4fc343a9a2249954e2737cbdedef4bd5f5cc67d07b4b4532bd3cbcd73fed997cfaa07b9415064c08f035b07ccb90018a

  • SSDEEP

    12288:MaF8kdTrFTFJ3b0pcVYGyRIDOYswSLQLMZg2zRP5cu4FhH610QKhe:M68iJbicVYGxDOp+M/hj4/HwIw

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 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 1 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 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\d17b05e32a5fc1c63c16f4e03c290cd7e877e1c1ede63075c431a629ffa8a44b.exe
    "C:\Users\Admin\AppData\Local\Temp\d17b05e32a5fc1c63c16f4e03c290cd7e877e1c1ede63075c431a629ffa8a44b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4692
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.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:4216
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
        PID:3684

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4216-8-0x0000000074300000-0x0000000074AB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4216-4-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/4216-16-0x0000000006660000-0x000000000666A000-memory.dmp

      Filesize

      40KB

    • memory/4216-15-0x00000000066E0000-0x0000000006772000-memory.dmp

      Filesize

      584KB

    • memory/4216-14-0x0000000074300000-0x0000000074AB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4216-5-0x000000007430E000-0x000000007430F000-memory.dmp

      Filesize

      4KB

    • memory/4216-6-0x00000000054F0000-0x0000000005A94000-memory.dmp

      Filesize

      5.6MB

    • memory/4216-10-0x0000000006470000-0x0000000006632000-memory.dmp

      Filesize

      1.8MB

    • memory/4216-13-0x0000000006B70000-0x000000000709C000-memory.dmp

      Filesize

      5.2MB

    • memory/4216-12-0x000000007430E000-0x000000007430F000-memory.dmp

      Filesize

      4KB

    • memory/4216-7-0x0000000005020000-0x00000000050BC000-memory.dmp

      Filesize

      624KB

    • memory/4216-11-0x0000000006310000-0x0000000006360000-memory.dmp

      Filesize

      320KB

    • memory/4692-1-0x00000188CB940000-0x00000188CB9DE000-memory.dmp

      Filesize

      632KB

    • memory/4692-2-0x00000188E5FF0000-0x00000188E608C000-memory.dmp

      Filesize

      624KB

    • memory/4692-9-0x00007FFDBF310000-0x00007FFDBFDD1000-memory.dmp

      Filesize

      10.8MB

    • memory/4692-3-0x00007FFDBF310000-0x00007FFDBFDD1000-memory.dmp

      Filesize

      10.8MB

    • memory/4692-0-0x00007FFDBF313000-0x00007FFDBF315000-memory.dmp

      Filesize

      8KB