Analysis

  • max time kernel
    171s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25-06-2022 09:49

General

  • Target

    52f47ee64260116303b07638df8c2b7f71e3bf1514f44e11e89f1d3329b42235.exe

  • Size

    860KB

  • MD5

    65d7bed6ab07dc53d48e5dd5d13898ff

  • SHA1

    0de318f7f334f815c9b05e40a76a45548fcdc959

  • SHA256

    52f47ee64260116303b07638df8c2b7f71e3bf1514f44e11e89f1d3329b42235

  • SHA512

    25db8fb700feeeff3fcbf7ff15b94565de075c3a42847367827ff6341d043d8cf4c2dccd578233e6c58a774add8d355e321b9077ed310e63f61b7aeebe360311

Malware Config

Extracted

Family

hawkeye_reborn

Version

10.0.0.1

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    WHYworry??#
Mutex

339256bf-056c-4219-93b7-6130c14205e6

Attributes
  • fields

    map[_AntiDebugger:false _AntiVirusKiller:false _BotKiller:false _ClipboardLogger:true _Delivery:0 _DisableCommandPrompt:false _DisableRegEdit:false _DisableTaskManager:false _Disablers:false _EmailPassword:WHYworry??# _EmailPort:587 _EmailSSL:true _EmailServer:mail.privateemail.com _EmailUsername:[email protected] _ExecutionDelay:10 _FTPPort:0 _FTPSFTP:false _FakeMessageIcon:0 _FakeMessageShow:false _FileBinder:false _HideFile:false _HistoryCleaner:false _Install:false _InstallLocation:0 _InstallStartup:false _InstallStartupPersistance:false _KeyStrokeLogger:true _LogInterval:10 _MeltFile:false _Mutex:339256bf-056c-4219-93b7-6130c14205e6 _PasswordStealer:true _ProcessElevation:false _ProcessProtection:false _ScreenshotLogger:true _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 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 8 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 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
  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\52f47ee64260116303b07638df8c2b7f71e3bf1514f44e11e89f1d3329b42235.exe
    "C:\Users\Admin\AppData\Local\Temp\52f47ee64260116303b07638df8c2b7f71e3bf1514f44e11e89f1d3329b42235.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3404
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mscpoCLjfkG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1618.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4820
    • C:\Users\Admin\AppData\Local\Temp\52f47ee64260116303b07638df8c2b7f71e3bf1514f44e11e89f1d3329b42235.exe
      "{path}"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1676
      • 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\tmp70DA.tmp"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4668
      • 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\tmp94AF.tmp"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:4656

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp1618.tmp

    Filesize

    1KB

    MD5

    c708b2d37974837248e97fdf2de0b51f

    SHA1

    4e4c214aed1679ef52029db2f053c74b1f802281

    SHA256

    cc5f185ef2a24524bf6d58aa240a15bb4f2661713bad8e364e44f995f00f742e

    SHA512

    458b5fd9e48a3e1b395e57f33bb9263f8c1128a56c40c04fa7a2288eda1a8b82f0bdac1d7e1e09af83c06c4557ea01ca6f204877e1a6e70e9cb63ef58ac80b95

  • C:\Users\Admin\AppData\Local\Temp\tmp70DA.tmp

    Filesize

    4KB

    MD5

    a44410c464bc23ac615f732de976447c

    SHA1

    e13bb8bfa077dd78dda795b3c21750f217ba4d36

    SHA256

    a1a6fab77bd9c6713b610b41cb025ba806b8fd64fb80b862e1c44ab2277545a6

    SHA512

    15e8af0f65161d9ffe068f10083bb2aebfa9be89a36ca6816853f05b58dd05ea46c5abd2f306a354b6ce9eeab20f26a900c6cf3233553bacf168dcbefb79e31a

  • memory/1676-135-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/1676-137-0x0000000074ED0000-0x0000000075481000-memory.dmp

    Filesize

    5.7MB

  • memory/1676-138-0x0000000074ED0000-0x0000000075481000-memory.dmp

    Filesize

    5.7MB

  • memory/3404-131-0x0000000074ED0000-0x0000000075481000-memory.dmp

    Filesize

    5.7MB

  • memory/3404-130-0x0000000074ED0000-0x0000000075481000-memory.dmp

    Filesize

    5.7MB

  • memory/3404-136-0x0000000074ED0000-0x0000000075481000-memory.dmp

    Filesize

    5.7MB

  • memory/4656-147-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/4656-149-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/4656-150-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/4656-151-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/4668-140-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4668-142-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4668-143-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4668-144-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB