Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/08/2024, 15:29

General

  • Target

    wahost.exe

  • Size

    712KB

  • MD5

    14b98daca4a9912ad416eb7c0231cc21

  • SHA1

    58328f022b71c8b3001449e87f91fbad4ac973ea

  • SHA256

    850752cfce58c44ce5d48735f4d53ccc1f8d12b7e1ae00d367d9c42103d9ad99

  • SHA512

    1169760e0245b4b1f2676271e0e56b62db0157a08ada4098d7dfacbf5c1e2d6cac29275c04a2d59471d7a9d9420425c07387c63fd3bc9bc4f91a9b3d5addcb0a

  • SSDEEP

    12288:8HRQpjndCNI+y0vplnoXMPr2oYFoDOuK4MMRqAEqHgKNLg470oKNcOWR5HYhFJba:8HSjdCNN/z2onDOuK4MqqARHlF73ccOS

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.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 2 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 6 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\wahost.exe
    "C:\Users\Admin\AppData\Local\Temp\wahost.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:764
    • C:\Users\Admin\AppData\Local\Temp\wahost.exe
      "C:\Users\Admin\AppData\Local\Temp\wahost.exe"
      2⤵
        PID:2616
      • C:\Users\Admin\AppData\Local\Temp\wahost.exe
        "C:\Users\Admin\AppData\Local\Temp\wahost.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:3680

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/764-10-0x0000000006500000-0x000000000658C000-memory.dmp

      Filesize

      560KB

    • memory/764-1-0x0000000000720000-0x00000000007D4000-memory.dmp

      Filesize

      720KB

    • memory/764-2-0x0000000005700000-0x0000000005CA4000-memory.dmp

      Filesize

      5.6MB

    • memory/764-3-0x00000000051F0000-0x0000000005282000-memory.dmp

      Filesize

      584KB

    • memory/764-4-0x0000000005290000-0x000000000529A000-memory.dmp

      Filesize

      40KB

    • memory/764-5-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/764-6-0x00000000056E0000-0x00000000056F6000-memory.dmp

      Filesize

      88KB

    • memory/764-7-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

      Filesize

      4KB

    • memory/764-9-0x00000000064B0000-0x00000000064BE000-memory.dmp

      Filesize

      56KB

    • memory/764-8-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/764-15-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/764-11-0x0000000008BB0000-0x0000000008C4C000-memory.dmp

      Filesize

      624KB

    • memory/764-0-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

      Filesize

      4KB

    • memory/3680-13-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3680-12-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/3680-16-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3680-17-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3680-18-0x0000000006650000-0x0000000006812000-memory.dmp

      Filesize

      1.8MB

    • memory/3680-19-0x00000000064D0000-0x0000000006520000-memory.dmp

      Filesize

      320KB

    • memory/3680-20-0x0000000006D50000-0x000000000727C000-memory.dmp

      Filesize

      5.2MB