Analysis

  • max time kernel
    151s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    01-07-2022 05:37

General

  • Target

    bbe6daff5ab978a08ada69939a3a27fbdc33dea86aee61bb4e1b8517050305ce.exe

  • Size

    688KB

  • MD5

    fcadf020bf96377aac1e22fb4220d430

  • SHA1

    8d692afad5924e3f7ca924397a09f1df9f70836d

  • SHA256

    bbe6daff5ab978a08ada69939a3a27fbdc33dea86aee61bb4e1b8517050305ce

  • SHA512

    0e787d21ea5519ce3bc47ff227e7a31e87f7a50d53014cb9e034b72c49720f759c2b724fbae1fc3b5253afb3a430181c38e3a1c5fff23fc146a5b2634b17699b

Malware Config

Extracted

Family

hawkeye_reborn

Version

10.0.0.0

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    happy2020happy
Mutex

e989447a-60c8-4ef1-9f50-8ab347a1a2ba

Attributes
  • fields

    map[_AntiDebugger:false _AntiVirusKiller:false _BotKiller:false _ClipboardLogger:true _Delivery:0 _DisableCommandPrompt:false _DisableRegEdit:false _DisableTaskManager:false _Disablers:false _EmailPassword:happy2020happy _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:e989447a-60c8-4ef1-9f50-8ab347a1a2ba _PasswordStealer:true _ProcessElevation:false _ProcessProtection:false _ScreenshotLogger:true _SystemInfo:false _Version:10.0.0.0 _WebCamLogger:false _WebsiteBlocker:false _WebsiteVisitor:false _WebsiteVisitorVisible:false _ZoneID:false]

  • name

    HawkEye RebornX, Version=10.0.0.0, Culture=neutral, PublicKeyToken=null

Signatures

  • HawkEye Reborn

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

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 3 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 6 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
  • 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 4 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bbe6daff5ab978a08ada69939a3a27fbdc33dea86aee61bb4e1b8517050305ce.exe
    "C:\Users\Admin\AppData\Local\Temp\bbe6daff5ab978a08ada69939a3a27fbdc33dea86aee61bb4e1b8517050305ce.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2468
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rlXOaP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp700F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:5112
    • C:\Users\Admin\AppData\Local\Temp\bbe6daff5ab978a08ada69939a3a27fbdc33dea86aee61bb4e1b8517050305ce.exe
      "{path}"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4648
      • 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\tmp3BEB.tmp"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:868
      • 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\tmp4003.tmp"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:3304

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3BEB.tmp

    Filesize

    4KB

    MD5

    a44410c464bc23ac615f732de976447c

    SHA1

    e13bb8bfa077dd78dda795b3c21750f217ba4d36

    SHA256

    a1a6fab77bd9c6713b610b41cb025ba806b8fd64fb80b862e1c44ab2277545a6

    SHA512

    15e8af0f65161d9ffe068f10083bb2aebfa9be89a36ca6816853f05b58dd05ea46c5abd2f306a354b6ce9eeab20f26a900c6cf3233553bacf168dcbefb79e31a

  • C:\Users\Admin\AppData\Local\Temp\tmp700F.tmp

    Filesize

    1KB

    MD5

    bfdc5bf124cf780a36d871f57c1c8bfa

    SHA1

    207ac67b116e69d74eaa94c95ea25ba475ab59d2

    SHA256

    9f6d8fd786dfa100088028bec229db0b8c9b2e93c1f54fc70e8edcfd540c4541

    SHA512

    2f9fefe5b73ff7261e80abb291058a83d29510b4cafd83478181d5fb75f0b0d20a1a0c17364070141b2c80218b1f71a97b9b63e030c632b29c6458c2e130d864

  • memory/868-139-0x0000000000000000-mapping.dmp

  • memory/868-140-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/868-142-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/868-143-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2468-130-0x0000000074DD0000-0x0000000075381000-memory.dmp

    Filesize

    5.7MB

  • memory/2468-136-0x0000000074DD0000-0x0000000075381000-memory.dmp

    Filesize

    5.7MB

  • memory/2468-131-0x0000000074DD0000-0x0000000075381000-memory.dmp

    Filesize

    5.7MB

  • memory/3304-149-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3304-148-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3304-145-0x0000000000000000-mapping.dmp

  • memory/3304-146-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/4648-134-0x0000000000000000-mapping.dmp

  • memory/4648-138-0x0000000074DD0000-0x0000000075381000-memory.dmp

    Filesize

    5.7MB

  • memory/4648-137-0x0000000074DD0000-0x0000000075381000-memory.dmp

    Filesize

    5.7MB

  • memory/4648-135-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/5112-132-0x0000000000000000-mapping.dmp