Analysis

  • max time kernel
    151s
  • max time network
    91s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 14:50

General

  • Target

    1d608f9688a3c42edcabd3ed3513d7f30fc43db325f8829820e48cdeb416687d.exe

  • Size

    683KB

  • MD5

    13675838b73a63ba07b5090913525e45

  • SHA1

    9c460e1c71c40f0f76fec5180ac905af5cea5ba9

  • SHA256

    1d608f9688a3c42edcabd3ed3513d7f30fc43db325f8829820e48cdeb416687d

  • SHA512

    176f159de18530d5b9b253fdbc5c4281399b792191ed644067072247d58fae8f339e4b4319e4248b8e81f6651c564eb9f0121b422ed6d30b97544271c83cfbd1

  • SSDEEP

    12288:su49EY7AmXkI10zsbyt5x+LE0QzaaGvm2V82FQpzBhSD8sB3yw:sN2YwIsx+LFauV8TzBhSQsBL

Malware Config

Extracted

Credentials

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

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 15 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 20 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 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 3 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\1d608f9688a3c42edcabd3ed3513d7f30fc43db325f8829820e48cdeb416687d.exe
    "C:\Users\Admin\AppData\Local\Temp\1d608f9688a3c42edcabd3ed3513d7f30fc43db325f8829820e48cdeb416687d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:112
    • C:\Users\Admin\AppData\Local\Temp\1d608f9688a3c42edcabd3ed3513d7f30fc43db325f8829820e48cdeb416687d.exe
      "C:\Users\Admin\AppData\Local\Temp\1d608f9688a3c42edcabd3ed3513d7f30fc43db325f8829820e48cdeb416687d.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:1480
      • 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:1540
      • 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:1564
      • 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:912
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1068
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe"
            4⤵
            • Executes dropped EXE
            PID:512
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\WUDHost.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\WUDHost.exe"
        2⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        PID:1752

    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

      683KB

      MD5

      13675838b73a63ba07b5090913525e45

      SHA1

      9c460e1c71c40f0f76fec5180ac905af5cea5ba9

      SHA256

      1d608f9688a3c42edcabd3ed3513d7f30fc43db325f8829820e48cdeb416687d

      SHA512

      176f159de18530d5b9b253fdbc5c4281399b792191ed644067072247d58fae8f339e4b4319e4248b8e81f6651c564eb9f0121b422ed6d30b97544271c83cfbd1

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

      Filesize

      683KB

      MD5

      13675838b73a63ba07b5090913525e45

      SHA1

      9c460e1c71c40f0f76fec5180ac905af5cea5ba9

      SHA256

      1d608f9688a3c42edcabd3ed3513d7f30fc43db325f8829820e48cdeb416687d

      SHA512

      176f159de18530d5b9b253fdbc5c4281399b792191ed644067072247d58fae8f339e4b4319e4248b8e81f6651c564eb9f0121b422ed6d30b97544271c83cfbd1

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

      Filesize

      683KB

      MD5

      13675838b73a63ba07b5090913525e45

      SHA1

      9c460e1c71c40f0f76fec5180ac905af5cea5ba9

      SHA256

      1d608f9688a3c42edcabd3ed3513d7f30fc43db325f8829820e48cdeb416687d

      SHA512

      176f159de18530d5b9b253fdbc5c4281399b792191ed644067072247d58fae8f339e4b4319e4248b8e81f6651c564eb9f0121b422ed6d30b97544271c83cfbd1

    • 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

      683KB

      MD5

      13675838b73a63ba07b5090913525e45

      SHA1

      9c460e1c71c40f0f76fec5180ac905af5cea5ba9

      SHA256

      1d608f9688a3c42edcabd3ed3513d7f30fc43db325f8829820e48cdeb416687d

      SHA512

      176f159de18530d5b9b253fdbc5c4281399b792191ed644067072247d58fae8f339e4b4319e4248b8e81f6651c564eb9f0121b422ed6d30b97544271c83cfbd1

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

      Filesize

      7KB

      MD5

      346cc610f2a43754fbd2ad0bd4d67edf

      SHA1

      06fb84bd968978f834820ddfd59075e8d1e21759

      SHA256

      c214b3c08c5abd9c178cb566a6b2beb5026ec1a54197e8bd403d2e3af90e0e74

      SHA512

      eb9fd2dbd7f53b642384311a8f10547c78ae29263cc7d64b3fc2056fb818ddc0c7c80a42d4596c3557a0ac42dcf7d9198f6d742088f7336c4d7868acb52ca940

    • memory/112-56-0x0000000073EB0000-0x000000007445B000-memory.dmp

      Filesize

      5.7MB

    • memory/112-55-0x0000000073EB0000-0x000000007445B000-memory.dmp

      Filesize

      5.7MB

    • memory/112-54-0x0000000074C11000-0x0000000074C13000-memory.dmp

      Filesize

      8KB

    • memory/512-113-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/512-120-0x0000000073EB0000-0x000000007445B000-memory.dmp

      Filesize

      5.7MB

    • memory/512-108-0x000000000047EAAE-mapping.dmp

    • memory/512-124-0x0000000073EB0000-0x000000007445B000-memory.dmp

      Filesize

      5.7MB

    • memory/512-111-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/912-80-0x0000000073EB0000-0x000000007445B000-memory.dmp

      Filesize

      5.7MB

    • memory/912-82-0x0000000073EB0000-0x000000007445B000-memory.dmp

      Filesize

      5.7MB

    • memory/912-76-0x0000000000000000-mapping.dmp

    • memory/912-97-0x0000000073EB0000-0x000000007445B000-memory.dmp

      Filesize

      5.7MB

    • memory/1068-88-0x0000000073EB0000-0x000000007445B000-memory.dmp

      Filesize

      5.7MB

    • memory/1068-85-0x0000000000000000-mapping.dmp

    • memory/1068-95-0x0000000073EB0000-0x000000007445B000-memory.dmp

      Filesize

      5.7MB

    • memory/1480-81-0x0000000073EB0000-0x000000007445B000-memory.dmp

      Filesize

      5.7MB

    • memory/1480-61-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/1480-69-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/1480-72-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/1480-74-0x0000000073EB0000-0x000000007445B000-memory.dmp

      Filesize

      5.7MB

    • memory/1480-58-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/1480-65-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/1480-60-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/1480-57-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/1480-63-0x000000000047EAAE-mapping.dmp

    • memory/1480-64-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/1540-96-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1540-89-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1540-94-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1540-93-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1540-90-0x0000000000411654-mapping.dmp

    • memory/1564-115-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1564-116-0x0000000000442628-mapping.dmp

    • memory/1564-119-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1564-121-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1564-123-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1752-101-0x0000000073EB0000-0x000000007445B000-memory.dmp

      Filesize

      5.7MB

    • memory/1752-98-0x0000000000000000-mapping.dmp

    • memory/1752-125-0x0000000073EB0000-0x000000007445B000-memory.dmp

      Filesize

      5.7MB