Analysis

  • max time kernel
    118s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-01-2025 14:23

General

  • Target

    49b4309c8ed22ee8489f94f5fa9723c019e8d62b84fb284156f7211fe515fe87.exe

  • Size

    337KB

  • MD5

    60274794f3fb71d2d5ba5e79040e848a

  • SHA1

    540d7a3a0923aa576185561d931616b10a069074

  • SHA256

    49b4309c8ed22ee8489f94f5fa9723c019e8d62b84fb284156f7211fe515fe87

  • SHA512

    1c7e29c213ca2b9e8237f0c0f214ae1ffb334d418c36b659fbe7ebe44c30fe1f4748c77407914ddb1cc3a830a7abedd1fc680e3d969199bfe1304ef3c482c39b

  • SSDEEP

    6144:mgyJN9fUXZ858P8GkWF6JVUs4yVrgBaoZdjW/CVzT8yrJLnIgEO:YJN9I2EZku6Jms4yEdjWqVzPrJLIgEO

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.

  • Program crash 1 IoCs
  • 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 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\49b4309c8ed22ee8489f94f5fa9723c019e8d62b84fb284156f7211fe515fe87.exe
    "C:\Users\Admin\AppData\Local\Temp\49b4309c8ed22ee8489f94f5fa9723c019e8d62b84fb284156f7211fe515fe87.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2144
    • C:\Users\Admin\AppData\Local\Temp\49b4309c8ed22ee8489f94f5fa9723c019e8d62b84fb284156f7211fe515fe87.exe
      "C:\Users\Admin\AppData\Local\Temp\49b4309c8ed22ee8489f94f5fa9723c019e8d62b84fb284156f7211fe515fe87.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:2652
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 500
      2⤵
      • Program crash
      PID:2796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2144-0-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

    Filesize

    4KB

  • memory/2144-1-0x0000000000E50000-0x0000000000EAA000-memory.dmp

    Filesize

    360KB

  • memory/2144-19-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

    Filesize

    4KB

  • memory/2144-16-0x0000000074AC0000-0x00000000751AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2652-12-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2652-7-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2652-5-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2652-13-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2652-8-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2652-3-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2652-9-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2652-17-0x0000000074AC0000-0x00000000751AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2652-18-0x0000000074AC0000-0x00000000751AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2652-15-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2652-20-0x0000000074AC0000-0x00000000751AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2652-21-0x0000000074AC0000-0x00000000751AE000-memory.dmp

    Filesize

    6.9MB