Analysis

  • max time kernel
    151s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    25-07-2022 04:14

General

  • Target

    6bc07d70aab4031f112773f4eef8049540106b00ce1322a8313f776203c7c3af.exe

  • Size

    676KB

  • MD5

    1f20e0da472a066443b9b8b5a16d8abb

  • SHA1

    293b3212ceaf05ac4f4b49778863fbbe3879fb0d

  • SHA256

    6bc07d70aab4031f112773f4eef8049540106b00ce1322a8313f776203c7c3af

  • SHA512

    3ed1d6bd87680430932d1e9bff2f3c9756e2bb1ab6479eaa95d7447c4e6583a5bc72d14fb8ad3672b416feda8591f3df0e2554153465b5773264828da3a50560

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.bellahomedecor.com.br
  • Port:
    587
  • Username:
    contato@bellahomedecor.com.br
  • Password:
    contato

Signatures

  • HawkEye

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

  • NirSoft MailPassView 6 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 6 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 11 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 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6bc07d70aab4031f112773f4eef8049540106b00ce1322a8313f776203c7c3af.exe
    "C:\Users\Admin\AppData\Local\Temp\6bc07d70aab4031f112773f4eef8049540106b00ce1322a8313f776203c7c3af.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:608
    • C:\Users\Admin\AppData\Local\Temp\6bc07d70aab4031f112773f4eef8049540106b00ce1322a8313f776203c7c3af.exe
      C:\Users\Admin\AppData\Local\Temp\6bc07d70aab4031f112773f4eef8049540106b00ce1322a8313f776203c7c3af.exe"
      2⤵
      • 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:1944
      • 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:584
      • 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:1996
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
          dw20.exe -x -s 1332
          3⤵
            PID:572

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Execution

      Scripting

      1
      T1064

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Scripting

      1
      T1064

      Modify Registry

      1
      T1112

      Credential Access

      Credentials in Files

      1
      T1081

      Collection

      Data from Local System

      1
      T1005

      Email Collection

      1
      T1114

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\holderwb.txt
        Filesize

        2B

        MD5

        f3b25701fe362ec84616a93a45ce9998

        SHA1

        d62636d8caec13f04e28442a0a6fa1afeb024bbb

        SHA256

        b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

        SHA512

        98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

      • memory/572-93-0x0000000000000000-mapping.dmp
      • memory/584-76-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/584-83-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/584-82-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/584-80-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/584-77-0x0000000000411654-mapping.dmp
      • memory/608-57-0x0000000076871000-0x0000000076873000-memory.dmp
        Filesize

        8KB

      • memory/608-59-0x0000000000340000-0x0000000000347000-memory.dmp
        Filesize

        28KB

      • memory/608-60-0x0000000077850000-0x00000000779F9000-memory.dmp
        Filesize

        1.7MB

      • memory/608-61-0x0000000077A30000-0x0000000077BB0000-memory.dmp
        Filesize

        1.5MB

      • memory/608-56-0x0000000000340000-0x0000000000347000-memory.dmp
        Filesize

        28KB

      • memory/1944-65-0x0000000000400000-0x000000000047B000-memory.dmp
        Filesize

        492KB

      • memory/1944-68-0x00000000004B0000-0x0000000000546000-memory.dmp
        Filesize

        600KB

      • memory/1944-74-0x0000000000220000-0x0000000000227000-memory.dmp
        Filesize

        28KB

      • memory/1944-73-0x0000000074BF0000-0x000000007519B000-memory.dmp
        Filesize

        5.7MB

      • memory/1944-72-0x0000000077A30000-0x0000000077BB0000-memory.dmp
        Filesize

        1.5MB

      • memory/1944-81-0x0000000000355000-0x0000000000366000-memory.dmp
        Filesize

        68KB

      • memory/1944-71-0x0000000077850000-0x00000000779F9000-memory.dmp
        Filesize

        1.7MB

      • memory/1944-75-0x0000000074BF0000-0x000000007519B000-memory.dmp
        Filesize

        5.7MB

      • memory/1944-58-0x00000000004952DA-mapping.dmp
      • memory/1944-92-0x0000000000355000-0x0000000000366000-memory.dmp
        Filesize

        68KB

      • memory/1944-63-0x0000000000400000-0x00000000004A9000-memory.dmp
        Filesize

        676KB

      • memory/1996-89-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/1996-88-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/1996-91-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/1996-85-0x0000000000442628-mapping.dmp
      • memory/1996-84-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB