Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    01-02-2022 03:54

General

  • Target

    cb8d412bcde5007a389cfbf650e356fc4aca9c56499594af40306234e85c52db.exe

  • Size

    828KB

  • MD5

    dcaa19fad14b32f9cf16429dc4f0c4bd

  • SHA1

    c50601975c549ed45f5d1d07874b853b48810fb4

  • SHA256

    cb8d412bcde5007a389cfbf650e356fc4aca9c56499594af40306234e85c52db

  • SHA512

    c78ead2fc230ade657e87609107861802ace6c25bfb876d1732bb9be006b22cb56550997357fabc14b1713ba8392de0de0f5612020344820a36c10a5a7368c25

Malware Config

Extracted

Family

hawkeye_reborn

Version

10.0.0.1

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.gracexmhk.info
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Success2020
Mutex

33451531-7f8b-4b1b-a62d-96e7fe0d2a8c

Attributes
  • fields

    map[_AntiDebugger:false _AntiVirusKiller:false _BotKiller:false _ClipboardLogger:false _Delivery:2 _DisableCommandPrompt:false _DisableRegEdit:false _DisableTaskManager:false _Disablers:false _EmailPort:0 _EmailSSL:false _ExecutionDelay:10 _FTPPassword:Success2020 _FTPPort:21 _FTPSFTP:true _FTPServer:ftp.gracexmhk.info _FTPUsername:[email protected] _FakeMessageIcon:0 _FakeMessageShow:false _FileBinder:false _HideFile:false _HistoryCleaner:false _Install:false _InstallLocation:0 _InstallStartup:false _InstallStartupPersistance:false _KeyStrokeLogger:false _LogInterval:10 _MeltFile:false _Mutex:33451531-7f8b-4b1b-a62d-96e7fe0d2a8c _PasswordStealer:true _ProcessElevation:false _ProcessProtection:false _ScreenshotLogger:false _SystemInfo:false _Version:10.0.0.1 _WebCamLogger:false _WebsiteBlocker:false _WebsiteVisitor:false _WebsiteVisitorVisible:false _ZoneID:false]

  • name

    HawkEye RebornX, Version=10.0.0.1, Culture=neutral, PublicKeyToken=null

Signatures

  • HawkEye Reborn

    HawkEye Reborn is an enhanced version of the HawkEye malware kit.

  • NirSoft MailPassView 2 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 4 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb8d412bcde5007a389cfbf650e356fc4aca9c56499594af40306234e85c52db.exe
    "C:\Users\Admin\AppData\Local\Temp\cb8d412bcde5007a389cfbf650e356fc4aca9c56499594af40306234e85c52db.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1292
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PyVbTNnxD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5928.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:432
    • C:\Users\Admin\AppData\Local\Temp\cb8d412bcde5007a389cfbf650e356fc4aca9c56499594af40306234e85c52db.exe
      "{path}"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:964
      • 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\tmp98E5.tmp"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1828
      • 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\tmp8B7E.tmp"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:1912

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp5928.tmp

    MD5

    1cd5079ad24cf6af54040e8b650a37cf

    SHA1

    67c95cbef9bb6343a5007b2ad731ceb445b2c9be

    SHA256

    7bbb3c17cfdad7b00d497452f9a80de92e51c21c148ccfb32b56f15480f7bf45

    SHA512

    9e4edc4c4a417fd6e32e818eff3ce67f07a16513aa584aa34b7a7a34be765d559cb7dd150bdd46ce550019e72bb4e716afda5b6afb6b97105f7343a9af9a9c79

  • C:\Users\Admin\AppData\Local\Temp\tmp98E5.tmp

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

  • memory/964-58-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/964-59-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/964-60-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/964-62-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/964-61-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/964-64-0x0000000000400000-0x0000000000BC0000-memory.dmp

    Filesize

    7.8MB

  • memory/1292-55-0x0000000076641000-0x0000000076643000-memory.dmp

    Filesize

    8KB

  • memory/1292-56-0x0000000000D60000-0x0000000000D61000-memory.dmp

    Filesize

    4KB

  • memory/1828-68-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1828-67-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1828-66-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1828-69-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1828-70-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1828-72-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1828-65-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1912-76-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/1912-77-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/1912-79-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/1912-78-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/1912-80-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/1912-81-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/1912-83-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB