Analysis

  • max time kernel
    138s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    22/02/2022, 23:22

General

  • Target

    05e18862ebc7be845735b589227ee2ae63ee66bc7ffb3755c52a8f84495d80db.exe

  • Size

    520KB

  • MD5

    bcf57c505bf0e9fcf7d9466f0f731c01

  • SHA1

    6321460c16c378aa82762fa7a2c7dd2858621a4a

  • SHA256

    05e18862ebc7be845735b589227ee2ae63ee66bc7ffb3755c52a8f84495d80db

  • SHA512

    2cc27be98c6dd0c33cc52962cddc82bfcf572b7f8a9e7bfbdbd7dfc0d6770abe22bf9d2677631485d3a043e64ff1d6d2b7cd55f4dc1e02aec6cfe8fc7dfd69d9

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mail.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    1SsS^hHh^ZzZ7

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • NirSoft MailPassView 2 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 4 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 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 2 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05e18862ebc7be845735b589227ee2ae63ee66bc7ffb3755c52a8f84495d80db.exe
    "C:\Users\Admin\AppData\Local\Temp\05e18862ebc7be845735b589227ee2ae63ee66bc7ffb3755c52a8f84495d80db.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:528
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
      2⤵
      • Accesses Microsoft Outlook accounts
      PID:1808
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
      2⤵
        PID:1880

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/528-54-0x0000000076121000-0x0000000076123000-memory.dmp

            Filesize

            8KB

          • memory/528-56-0x0000000000120000-0x0000000000121000-memory.dmp

            Filesize

            4KB

          • memory/528-55-0x00000000747D1000-0x00000000747D2000-memory.dmp

            Filesize

            4KB

          • memory/528-57-0x00000000747D2000-0x00000000747D4000-memory.dmp

            Filesize

            8KB

          • memory/528-60-0x0000000000125000-0x0000000000136000-memory.dmp

            Filesize

            68KB

          • memory/528-64-0x0000000000136000-0x0000000000137000-memory.dmp

            Filesize

            4KB

          • memory/1808-58-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/1808-61-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/1880-62-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/1880-65-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB