Analysis

  • max time kernel
    4294191s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    10/03/2022, 03:05

General

  • Target

    6b5994a02ff1f1240ca314dd04a6331b472161d6db540258c8cdb0b40ab6de92.exe

  • Size

    485KB

  • MD5

    0405ae79cb43984c2f6280a0699bdce0

  • SHA1

    b52b596503fbf435879635ed1b0db6f8745903ac

  • SHA256

    6b5994a02ff1f1240ca314dd04a6331b472161d6db540258c8cdb0b40ab6de92

  • SHA512

    88948dba6c0b1e5722c08a5ed8e266df2686faed220f81cbd4916d44e523d569fe82c3efa512b0cf3cc133dc027b532cba86eb53280821c559b0b46820975ece

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    coolman12345

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 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6b5994a02ff1f1240ca314dd04a6331b472161d6db540258c8cdb0b40ab6de92.exe
    "C:\Users\Admin\AppData\Local\Temp\6b5994a02ff1f1240ca314dd04a6331b472161d6db540258c8cdb0b40ab6de92.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:1780
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
      dw20.exe -x -s 1720
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      PID:1096
    • 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:1564
    • 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:1832

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1096-60-0x0000000001E80000-0x0000000001E81000-memory.dmp

            Filesize

            4KB

          • memory/1564-61-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/1564-64-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/1780-54-0x0000000076761000-0x0000000076763000-memory.dmp

            Filesize

            8KB

          • memory/1780-56-0x0000000000500000-0x0000000000501000-memory.dmp

            Filesize

            4KB

          • memory/1780-55-0x0000000074A90000-0x000000007503B000-memory.dmp

            Filesize

            5.7MB

          • memory/1780-57-0x0000000074A90000-0x000000007503B000-memory.dmp

            Filesize

            5.7MB

          • memory/1780-59-0x0000000000516000-0x0000000000517000-memory.dmp

            Filesize

            4KB

          • memory/1832-65-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/1832-68-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB