Analysis

  • max time kernel
    157s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    22/02/2022, 20:34

General

  • Target

    0c06af7031887451fac43d84612ecb9631260ed2e1db3a37fb759297c882132b.exe

  • Size

    781KB

  • MD5

    3486c36d780034424c378ca3a36560a5

  • SHA1

    d10835a745df0d09270764ad537cd96764f85fb9

  • SHA256

    0c06af7031887451fac43d84612ecb9631260ed2e1db3a37fb759297c882132b

  • SHA512

    1542651ec9440669baeef422cbfe995187149d45321898d8f5c044bb7089b1aa6d5578a9596310d51bac30063716ad7bd890e95653e7de44f12c4f3810683835

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    anohax123

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
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0c06af7031887451fac43d84612ecb9631260ed2e1db3a37fb759297c882132b.exe
    "C:\Users\Admin\AppData\Local\Temp\0c06af7031887451fac43d84612ecb9631260ed2e1db3a37fb759297c882132b.exe"
    1⤵
    • Loads dropped DLL
    • 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:892
    • C:\Users\Admin\AppData\Local\Temp\EBFile_1.exe
      "C:\Users\Admin\AppData\Local\Temp\EBFile_1.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1664
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1664 -s 640
        3⤵
        • Loads dropped DLL
        • Program crash
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1016
    • 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:1448
    • 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:1540

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/892-61-0x0000000000446000-0x0000000000447000-memory.dmp

            Filesize

            4KB

          • memory/892-56-0x0000000000430000-0x0000000000431000-memory.dmp

            Filesize

            4KB

          • memory/892-57-0x0000000074DE2000-0x0000000074DE4000-memory.dmp

            Filesize

            8KB

          • memory/892-55-0x0000000074DE1000-0x0000000074DE2000-memory.dmp

            Filesize

            4KB

          • memory/892-54-0x0000000076451000-0x0000000076453000-memory.dmp

            Filesize

            8KB

          • memory/1016-74-0x0000000002380000-0x0000000002381000-memory.dmp

            Filesize

            4KB

          • memory/1448-66-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/1448-64-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/1540-75-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/1540-77-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/1664-68-0x0000000004E60000-0x0000000004E61000-memory.dmp

            Filesize

            4KB

          • memory/1664-63-0x00000000000B0000-0x00000000000B8000-memory.dmp

            Filesize

            32KB

          • memory/1664-62-0x0000000070F4E000-0x0000000070F4F000-memory.dmp

            Filesize

            4KB