Analysis

  • max time kernel
    4294208s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    10/03/2022, 01:06

General

  • Target

    722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe

  • Size

    696KB

  • MD5

    2c251e754d69990053c0882153d43043

  • SHA1

    80643172673d0d57aed39eabbefe0e0296e2d433

  • SHA256

    722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98

  • SHA512

    f2982726388394af7710120b3704b280a591e28e0c9f474c3fb380290e551168f965cb516a0c1f91fe90dc499591130c2754bd9d30e504312b3bf9172812c5a6

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.yahlabs.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    K#XTi1TB1^w%

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 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\722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe
    "C:\Users\Admin\AppData\Local\Temp\722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1824
    • 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:1072
    • 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:1900

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1072-58-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/1072-61-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/1824-54-0x0000000075251000-0x0000000075253000-memory.dmp

            Filesize

            8KB

          • memory/1824-56-0x0000000002000000-0x0000000002001000-memory.dmp

            Filesize

            4KB

          • memory/1824-55-0x00000000741A0000-0x000000007474B000-memory.dmp

            Filesize

            5.7MB

          • memory/1824-57-0x00000000741A0000-0x000000007474B000-memory.dmp

            Filesize

            5.7MB

          • memory/1824-62-0x0000000002005000-0x0000000002016000-memory.dmp

            Filesize

            68KB

          • memory/1824-65-0x0000000002016000-0x0000000002017000-memory.dmp

            Filesize

            4KB

          • memory/1900-63-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/1900-67-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB