Analysis

  • max time kernel
    155s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    22/02/2022, 21:13

General

  • Target

    0a82eb0c8e3d7c2334c4eff82dc394f65654bf72b8ceb6e9d940d90ed3a6ba0a.exe

  • Size

    520KB

  • MD5

    a45274215d907b452dd15f533dcdc040

  • SHA1

    706058351d4e554dc7587427925b0eecb8ee6e79

  • SHA256

    0a82eb0c8e3d7c2334c4eff82dc394f65654bf72b8ceb6e9d940d90ed3a6ba0a

  • SHA512

    c95a34798767e0014b5f0d3482f51cde57c08af14fd531ee865a9be5f009fe2d782c129d7f1d3ca1409baaa628b408e7d6d488e434c05f4feca1270e3f68e66e

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    2009raiter97wf

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • NirSoft MailPassView 5 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 IoCs
  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0a82eb0c8e3d7c2334c4eff82dc394f65654bf72b8ceb6e9d940d90ed3a6ba0a.exe
    "C:\Users\Admin\AppData\Local\Temp\0a82eb0c8e3d7c2334c4eff82dc394f65654bf72b8ceb6e9d940d90ed3a6ba0a.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:744
    • C:\Users\Admin\AppData\Roaming\Windows Update.exe
      "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
      2⤵
      • Executes dropped EXE
      • Deletes itself
      • 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:240
      • 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"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:988
      • 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"
        3⤵
          PID:1764

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/240-63-0x0000000000790000-0x0000000000791000-memory.dmp

            Filesize

            4KB

          • memory/240-62-0x00000000743D1000-0x00000000743D2000-memory.dmp

            Filesize

            4KB

          • memory/240-64-0x00000000743D2000-0x00000000743D4000-memory.dmp

            Filesize

            8KB

          • memory/240-68-0x00000000007A6000-0x00000000007A7000-memory.dmp

            Filesize

            4KB

          • memory/744-57-0x00000000743D2000-0x00000000743D4000-memory.dmp

            Filesize

            8KB

          • memory/744-54-0x0000000076041000-0x0000000076043000-memory.dmp

            Filesize

            8KB

          • memory/744-55-0x00000000743D1000-0x00000000743D2000-memory.dmp

            Filesize

            4KB

          • memory/744-56-0x00000000008B0000-0x00000000008B1000-memory.dmp

            Filesize

            4KB

          • memory/988-66-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/988-69-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/1764-70-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/1764-72-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB