Analysis

  • max time kernel
    118s
  • max time network
    165s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 19:48

General

  • Target

    c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe

  • Size

    540KB

  • MD5

    f2571f7e309c77d1bf9c042fdbb0fd43

  • SHA1

    2e6b1ceaa2d9febaf3a174c16cc946a53a618d1c

  • SHA256

    c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643

  • SHA512

    58e3a48e07740a1c041c7e15fcb110583e44def278d696fa3fc5ef5c66ec80c4d488459d7582b6bfc501a410b4294651189ac7efd82bc07284a1ab8c748b7c51

  • SSDEEP

    12288:I6Jq+QtqB5urTIoYWBQk1E+VF9mOx9E1O:pQtqBorTlYWBhE+V3mO

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qwerty@12345

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 10 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 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\c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe
    "C:\Users\Admin\AppData\Local\Temp\c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.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:2016
    • 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:1008
    • 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⤵
        PID:1084

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/1008-63-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1008-72-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1008-58-0x0000000000411654-mapping.dmp
    • memory/1008-57-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1008-61-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1084-64-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1084-65-0x0000000000442628-mapping.dmp
    • memory/1084-68-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1084-69-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1084-70-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/2016-62-0x00000000001A5000-0x00000000001B6000-memory.dmp
      Filesize

      68KB

    • memory/2016-54-0x00000000760C1000-0x00000000760C3000-memory.dmp
      Filesize

      8KB

    • memory/2016-56-0x00000000742E0000-0x000000007488B000-memory.dmp
      Filesize

      5.7MB

    • memory/2016-55-0x00000000742E0000-0x000000007488B000-memory.dmp
      Filesize

      5.7MB

    • memory/2016-73-0x00000000001A5000-0x00000000001B6000-memory.dmp
      Filesize

      68KB