Analysis

  • max time kernel
    151s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 13:40

General

  • Target

    90db4e094f107397b4ff9453b834895ad1d3dae909b47726f17a31fd39367b6d.exe

  • Size

    682KB

  • MD5

    c99d06945050e18f35ba030f20b1eb9c

  • SHA1

    94c567890f10035218e1bde09024d129ddde1e8a

  • SHA256

    90db4e094f107397b4ff9453b834895ad1d3dae909b47726f17a31fd39367b6d

  • SHA512

    24ef40d0c7055f9dee19131adbe0eb49c2d4b8587942f6da7753e4aeadf2aedc2e0d50cba3828b909fd3524c1fb61b46b64bb4ea311af61345aebf5d376b3308

  • SSDEEP

    12288:nrwPlHf28z6sKXf9T5ihfjWRfhMbRVxEoC1rXp4tvVOp:rwRf28zXC9TgckNnE4tNO

Malware Config

Extracted

Credentials

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

Signatures

  • HawkEye

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

  • NirSoft MailPassView 15 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 14 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 19 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 3 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 3 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 4 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 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\90db4e094f107397b4ff9453b834895ad1d3dae909b47726f17a31fd39367b6d.exe
    "C:\Users\Admin\AppData\Local\Temp\90db4e094f107397b4ff9453b834895ad1d3dae909b47726f17a31fd39367b6d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1088
    • C:\Users\Admin\AppData\Local\Temp\90db4e094f107397b4ff9453b834895ad1d3dae909b47726f17a31fd39367b6d.exe
      "C:\Users\Admin\AppData\Local\Temp\90db4e094f107397b4ff9453b834895ad1d3dae909b47726f17a31fd39367b6d.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1960
      • 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:952
      • 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:1816
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\WUDHost.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\WUDHost.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2024
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:612
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe"
            4⤵
            • Executes dropped EXE
            PID:1940
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\WUDHost.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\WUDHost.exe"
            4⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of AdjustPrivilegeToken
            PID:1756

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe

      Filesize

      682KB

      MD5

      c99d06945050e18f35ba030f20b1eb9c

      SHA1

      94c567890f10035218e1bde09024d129ddde1e8a

      SHA256

      90db4e094f107397b4ff9453b834895ad1d3dae909b47726f17a31fd39367b6d

      SHA512

      24ef40d0c7055f9dee19131adbe0eb49c2d4b8587942f6da7753e4aeadf2aedc2e0d50cba3828b909fd3524c1fb61b46b64bb4ea311af61345aebf5d376b3308

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe

      Filesize

      682KB

      MD5

      c99d06945050e18f35ba030f20b1eb9c

      SHA1

      94c567890f10035218e1bde09024d129ddde1e8a

      SHA256

      90db4e094f107397b4ff9453b834895ad1d3dae909b47726f17a31fd39367b6d

      SHA512

      24ef40d0c7055f9dee19131adbe0eb49c2d4b8587942f6da7753e4aeadf2aedc2e0d50cba3828b909fd3524c1fb61b46b64bb4ea311af61345aebf5d376b3308

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe

      Filesize

      682KB

      MD5

      c99d06945050e18f35ba030f20b1eb9c

      SHA1

      94c567890f10035218e1bde09024d129ddde1e8a

      SHA256

      90db4e094f107397b4ff9453b834895ad1d3dae909b47726f17a31fd39367b6d

      SHA512

      24ef40d0c7055f9dee19131adbe0eb49c2d4b8587942f6da7753e4aeadf2aedc2e0d50cba3828b909fd3524c1fb61b46b64bb4ea311af61345aebf5d376b3308

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\WUDHost.exe

      Filesize

      7KB

      MD5

      346cc610f2a43754fbd2ad0bd4d67edf

      SHA1

      06fb84bd968978f834820ddfd59075e8d1e21759

      SHA256

      c214b3c08c5abd9c178cb566a6b2beb5026ec1a54197e8bd403d2e3af90e0e74

      SHA512

      eb9fd2dbd7f53b642384311a8f10547c78ae29263cc7d64b3fc2056fb818ddc0c7c80a42d4596c3557a0ac42dcf7d9198f6d742088f7336c4d7868acb52ca940

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\WUDHost.exe

      Filesize

      7KB

      MD5

      346cc610f2a43754fbd2ad0bd4d67edf

      SHA1

      06fb84bd968978f834820ddfd59075e8d1e21759

      SHA256

      c214b3c08c5abd9c178cb566a6b2beb5026ec1a54197e8bd403d2e3af90e0e74

      SHA512

      eb9fd2dbd7f53b642384311a8f10547c78ae29263cc7d64b3fc2056fb818ddc0c7c80a42d4596c3557a0ac42dcf7d9198f6d742088f7336c4d7868acb52ca940

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\WUDHost.exe

      Filesize

      7KB

      MD5

      346cc610f2a43754fbd2ad0bd4d67edf

      SHA1

      06fb84bd968978f834820ddfd59075e8d1e21759

      SHA256

      c214b3c08c5abd9c178cb566a6b2beb5026ec1a54197e8bd403d2e3af90e0e74

      SHA512

      eb9fd2dbd7f53b642384311a8f10547c78ae29263cc7d64b3fc2056fb818ddc0c7c80a42d4596c3557a0ac42dcf7d9198f6d742088f7336c4d7868acb52ca940

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\WUDHost.exe

      Filesize

      7KB

      MD5

      346cc610f2a43754fbd2ad0bd4d67edf

      SHA1

      06fb84bd968978f834820ddfd59075e8d1e21759

      SHA256

      c214b3c08c5abd9c178cb566a6b2beb5026ec1a54197e8bd403d2e3af90e0e74

      SHA512

      eb9fd2dbd7f53b642384311a8f10547c78ae29263cc7d64b3fc2056fb818ddc0c7c80a42d4596c3557a0ac42dcf7d9198f6d742088f7336c4d7868acb52ca940

    • \Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe

      Filesize

      682KB

      MD5

      c99d06945050e18f35ba030f20b1eb9c

      SHA1

      94c567890f10035218e1bde09024d129ddde1e8a

      SHA256

      90db4e094f107397b4ff9453b834895ad1d3dae909b47726f17a31fd39367b6d

      SHA512

      24ef40d0c7055f9dee19131adbe0eb49c2d4b8587942f6da7753e4aeadf2aedc2e0d50cba3828b909fd3524c1fb61b46b64bb4ea311af61345aebf5d376b3308

    • \Users\Admin\AppData\Roaming\Microsoft\Windows\WUDHost.exe

      Filesize

      7KB

      MD5

      346cc610f2a43754fbd2ad0bd4d67edf

      SHA1

      06fb84bd968978f834820ddfd59075e8d1e21759

      SHA256

      c214b3c08c5abd9c178cb566a6b2beb5026ec1a54197e8bd403d2e3af90e0e74

      SHA512

      eb9fd2dbd7f53b642384311a8f10547c78ae29263cc7d64b3fc2056fb818ddc0c7c80a42d4596c3557a0ac42dcf7d9198f6d742088f7336c4d7868acb52ca940

    • \Users\Admin\AppData\Roaming\Microsoft\Windows\WUDHost.exe

      Filesize

      7KB

      MD5

      346cc610f2a43754fbd2ad0bd4d67edf

      SHA1

      06fb84bd968978f834820ddfd59075e8d1e21759

      SHA256

      c214b3c08c5abd9c178cb566a6b2beb5026ec1a54197e8bd403d2e3af90e0e74

      SHA512

      eb9fd2dbd7f53b642384311a8f10547c78ae29263cc7d64b3fc2056fb818ddc0c7c80a42d4596c3557a0ac42dcf7d9198f6d742088f7336c4d7868acb52ca940

    • memory/612-84-0x0000000074740000-0x0000000074CEB000-memory.dmp

      Filesize

      5.7MB

    • memory/612-80-0x0000000000000000-mapping.dmp

    • memory/612-83-0x0000000074740000-0x0000000074CEB000-memory.dmp

      Filesize

      5.7MB

    • memory/952-113-0x0000000000411654-mapping.dmp

    • memory/952-112-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/952-116-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/952-118-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/952-117-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1088-86-0x0000000074740000-0x0000000074CEB000-memory.dmp

      Filesize

      5.7MB

    • memory/1088-55-0x0000000074740000-0x0000000074CEB000-memory.dmp

      Filesize

      5.7MB

    • memory/1088-56-0x0000000074740000-0x0000000074CEB000-memory.dmp

      Filesize

      5.7MB

    • memory/1088-54-0x0000000075241000-0x0000000075243000-memory.dmp

      Filesize

      8KB

    • memory/1756-101-0x0000000000000000-mapping.dmp

    • memory/1756-108-0x0000000074740000-0x0000000074CEB000-memory.dmp

      Filesize

      5.7MB

    • memory/1756-119-0x0000000074740000-0x0000000074CEB000-memory.dmp

      Filesize

      5.7MB

    • memory/1816-120-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1816-121-0x0000000000442628-mapping.dmp

    • memory/1816-126-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1816-124-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1940-93-0x000000000047EAAE-mapping.dmp

    • memory/1940-96-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/1940-102-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/1940-111-0x0000000074740000-0x0000000074CEB000-memory.dmp

      Filesize

      5.7MB

    • memory/1940-109-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/1960-67-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1960-62-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1960-63-0x000000000047EAAE-mapping.dmp

    • memory/1960-76-0x0000000074740000-0x0000000074CEB000-memory.dmp

      Filesize

      5.7MB

    • memory/1960-57-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1960-60-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1960-74-0x0000000074740000-0x0000000074CEB000-memory.dmp

      Filesize

      5.7MB

    • memory/1960-58-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1960-61-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1960-65-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/2024-75-0x0000000074740000-0x0000000074CEB000-memory.dmp

      Filesize

      5.7MB

    • memory/2024-77-0x0000000074740000-0x0000000074CEB000-memory.dmp

      Filesize

      5.7MB

    • memory/2024-70-0x0000000000000000-mapping.dmp

    • memory/2024-85-0x0000000074740000-0x0000000074CEB000-memory.dmp

      Filesize

      5.7MB