Analysis

  • max time kernel
    152s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    22/02/2022, 20:17

General

  • Target

    0cbb8c5cac42acaaf4136770140177fe6261271ec1d035cd433a8b9a97e602d7.exe

  • Size

    521KB

  • MD5

    91f05e6e80b49200198e399b9fc737f9

  • SHA1

    17a35bca197f42226d8eff9f902a5b07625edc7e

  • SHA256

    0cbb8c5cac42acaaf4136770140177fe6261271ec1d035cd433a8b9a97e602d7

  • SHA512

    732fd01fe694a048daa68bba12991bc4bf2af13869475d0a075355f64439af7954bc9c91917d21e8279807b86f5a2e43706b50a19bfc133aacb0933a39d20c7e

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    aderinola

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
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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
  • Suspicious behavior: EnumeratesProcesses 64 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\0cbb8c5cac42acaaf4136770140177fe6261271ec1d035cd433a8b9a97e602d7.exe
    "C:\Users\Admin\AppData\Local\Temp\0cbb8c5cac42acaaf4136770140177fe6261271ec1d035cd433a8b9a97e602d7.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:944
    • 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:2020
    • 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:1068

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/944-54-0x0000000075431000-0x0000000075433000-memory.dmp

            Filesize

            8KB

          • memory/944-56-0x0000000000400000-0x0000000000401000-memory.dmp

            Filesize

            4KB

          • memory/944-55-0x00000000741F1000-0x00000000741F2000-memory.dmp

            Filesize

            4KB

          • memory/944-57-0x00000000741F2000-0x00000000741F4000-memory.dmp

            Filesize

            8KB

          • memory/944-58-0x0000000000416000-0x0000000000417000-memory.dmp

            Filesize

            4KB

          • memory/944-59-0x0000000000405000-0x0000000000416000-memory.dmp

            Filesize

            68KB

          • memory/1068-63-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/1068-65-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/2020-60-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/2020-62-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB