Analysis

  • max time kernel
    4294188s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    10/03/2022, 20:58

General

  • Target

    49235e9139a0dca40f56b226969703330a8da7b0c4e82b3108c8563d40d196f7.exe

  • Size

    504KB

  • MD5

    d07c8438cf41e30f7747add9331d1f03

  • SHA1

    7fa3f93934a4e6152af9c966ea5ebad7092c6924

  • SHA256

    49235e9139a0dca40f56b226969703330a8da7b0c4e82b3108c8563d40d196f7

  • SHA512

    7de1e6ded1b5fb1a411fa67529bc3eb90c631d058643a5744f1f99cdebe34bfb53964627d469f46d8fe70f388ce902ec2f6dd4a0a95249d7d87aca8c17d44329

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.charangupta.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ashok@88113

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
  • 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\49235e9139a0dca40f56b226969703330a8da7b0c4e82b3108c8563d40d196f7.exe
    "C:\Users\Admin\AppData\Local\Temp\49235e9139a0dca40f56b226969703330a8da7b0c4e82b3108c8563d40d196f7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1680
    • 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:1852
    • 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:1792

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1680-54-0x0000000075D71000-0x0000000075D73000-memory.dmp

            Filesize

            8KB

          • memory/1680-55-0x0000000074E40000-0x00000000753EB000-memory.dmp

            Filesize

            5.7MB

          • memory/1680-56-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

            Filesize

            4KB

          • memory/1680-57-0x0000000074E40000-0x00000000753EB000-memory.dmp

            Filesize

            5.7MB

          • memory/1680-58-0x0000000000BE6000-0x0000000000BE7000-memory.dmp

            Filesize

            4KB

          • memory/1792-63-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/1792-66-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/1852-59-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/1852-62-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB