Analysis

  • max time kernel
    87s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    03-06-2022 06:11

General

  • Target

    136ffda6bcf6643092750fbc4e6ba201c7386a2e73222010f529dd988deeb8f3.exe

  • Size

    907KB

  • MD5

    10afd33c45d4c0256734305db10193c1

  • SHA1

    1036e1ff4aee4228a2d05c3ed8e4fb0f6a1183f0

  • SHA256

    136ffda6bcf6643092750fbc4e6ba201c7386a2e73222010f529dd988deeb8f3

  • SHA512

    54a0e3b2e2f3105995c0ec71b26a1cb31054ad0a41627b95918fd6c12342b0e1d6048549b5727758c61a8fb5758854026dc36aa23a55fff2dc2731f527df070c

Malware Config

Extracted

Family

hawkeye_reborn

Version

9.0.1.6

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mafud.company
  • Port:
    26
  • Username:
    [email protected]
  • Password:
    wGackK(leLSb
Mutex

c8e69676-68a7-4f9b-8a43-f65caa0ee121

Attributes
  • fields

    map[_AntiDebugger:false _AntiVirusKiller:false _BotKiller:false _ClipboardLogger:true _Delivery:0 _DisableCommandPrompt:false _DisableRegEdit:false _DisableTaskManager:false _Disablers:false _EmailPassword:wGackK(leLSb _EmailPort:26 _EmailSSL:false _EmailServer:mail.mafud.company _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:280 _MeltFile:false _Mutex:c8e69676-68a7-4f9b-8a43-f65caa0ee121 _PasswordStealer:true _ProcessElevation:false _ProcessProtection:false _ScreenshotLogger:false _SystemInfo:false _Version:9.0.1.6 _WebCamLogger:false _WebsiteBlocker:false _WebsiteVisitor:false _WebsiteVisitorVisible:false _ZoneID:false]

  • name

    HawkEye Keylogger - Reborn v9, Version=9.0.1.6, Culture=neutral, PublicKeyToken=null

Signatures

  • HawkEye Reborn

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

  • M00nd3v_Logger

    M00nd3v Logger is a .NET stealer/logger targeting passwords from browsers and email clients.

  • M00nD3v Logger Payload 1 IoCs

    Detects M00nD3v Logger payload in memory.

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 IoCs
  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • 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.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\136ffda6bcf6643092750fbc4e6ba201c7386a2e73222010f529dd988deeb8f3.exe
    "C:\Users\Admin\AppData\Local\Temp\136ffda6bcf6643092750fbc4e6ba201c7386a2e73222010f529dd988deeb8f3.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4040
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1568
      • 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\tmpD45C.tmp"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3664
      • 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\tmpD8B2.tmp"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:2552
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c TimeOut 1 & Del /F "C:\Users\Admin\AppData\Local\Temp\136ffda6bcf6643092750fbc4e6ba201c7386a2e73222010f529dd988deeb8f3.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1988
      • C:\Windows\SysWOW64\timeout.exe
        TimeOut 1
        3⤵
        • Delays execution with timeout.exe
        PID:1508

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpD45C.tmp

    Filesize

    4KB

    MD5

    92b3d04dbcf7aa8eabb0096c55624068

    SHA1

    04a3b14a8f16bdd8a67f1b5d6be8c3db79c766c7

    SHA256

    84e388e2bbff6a229d99df8d7e0558e46e793106c2f3bb290c6acc06fe31fe9c

    SHA512

    fbd6a298b66e2117f68028cdf9fa1b3e441f87fa8a052ce1be628ae65116d5b2953cdc8117dce57e86475a75412b1a85f431eb0da6dd788ec5312d34ff71f9d1

  • memory/1568-139-0x0000000074290000-0x0000000074841000-memory.dmp

    Filesize

    5.7MB

  • memory/1568-156-0x0000000072830000-0x0000000072FD8000-memory.dmp

    Filesize

    7.7MB

  • memory/1568-131-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/1568-140-0x0000000072FE0000-0x0000000073AE0000-memory.dmp

    Filesize

    11.0MB

  • memory/1568-141-0x0000000074290000-0x0000000074841000-memory.dmp

    Filesize

    5.7MB

  • memory/1568-142-0x0000000072FE0000-0x0000000073AE0000-memory.dmp

    Filesize

    11.0MB

  • memory/1568-143-0x0000000072830000-0x0000000072FD8000-memory.dmp

    Filesize

    7.7MB

  • memory/2552-152-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2552-154-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2552-155-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3664-145-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/3664-147-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/3664-148-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/3664-149-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/4040-137-0x0000000000B10000-0x0000000000D01000-memory.dmp

    Filesize

    1.9MB