Analysis

  • max time kernel
    148s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    10/03/2022, 03:04

General

  • Target

    6b6a9dae491fda4b6ff3ed1e7fe3330a54c7602e53bb84148698b781e891179b.exe

  • Size

    506KB

  • MD5

    4fe7bf048fa1674907f10ff235cab549

  • SHA1

    90c4b6122dfc63001d400c6be5ee7312e8284b23

  • SHA256

    6b6a9dae491fda4b6ff3ed1e7fe3330a54c7602e53bb84148698b781e891179b

  • SHA512

    2825e8e67a018b3b3ee8f4704e3c465c26cf037d83d9cc1eec5522ebca4aaa02c04ab577fa3eb51d6782e5f17a73185fc25021c000ce4b1c363e5dedd172cccd

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mail.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Relax1357

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
  • Adds Run key to start application 2 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\6b6a9dae491fda4b6ff3ed1e7fe3330a54c7602e53bb84148698b781e891179b.exe
    "C:\Users\Admin\AppData\Local\Temp\6b6a9dae491fda4b6ff3ed1e7fe3330a54c7602e53bb84148698b781e891179b.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1628
    • 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:1080
    • 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:1100

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1080-58-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/1080-61-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/1100-62-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/1100-65-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/1628-54-0x0000000075801000-0x0000000075803000-memory.dmp

            Filesize

            8KB

          • memory/1628-56-0x0000000000C10000-0x0000000000C11000-memory.dmp

            Filesize

            4KB

          • memory/1628-55-0x0000000074C80000-0x000000007522B000-memory.dmp

            Filesize

            5.7MB

          • memory/1628-57-0x0000000000C26000-0x0000000000C27000-memory.dmp

            Filesize

            4KB