Analysis

  • max time kernel
    152s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    07-07-2022 19:59

General

  • Target

    Document_BT24PDF.exe

  • Size

    2.0MB

  • MD5

    96b9d2f4c274cd0470a89c3e4621d0d5

  • SHA1

    9c5b2ab06a08be4256a0ce8ea64391c86ee5d59e

  • SHA256

    4fd86a190579a56cee2b824d100081c36b22a30bfe3e011a6f2a593c0bf50ebf

  • SHA512

    242f5b234bdf0e69a5210e609a4d9057590d89a2038a7811dc503af2ade35a466d890127bda0457adbd501a7d6b6f3d97dfe3b027c2d3bfaee46a2bbdba4adf5

Malware Config

Extracted

Family

hawkeye_reborn

Version

10.0.0.0

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.econstruct.ro
  • Port:
    21
  • Username:
    webhost@econstruct.ro
  • Password:
    NN@ossyguru009988
Mutex

b887a855-4d0b-4f63-97fe-40d295f49816

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:NN@ossyguru009988 _FTPPort:21 _FTPSFTP:true _FTPServer:ftp.econstruct.ro _FTPUsername:webhost@econstruct.ro _FakeMessageIcon:0 _FakeMessageShow:false _FileBinder:false _HideFile:false _HistoryCleaner:false _Install:false _InstallLocation:0 _InstallStartup:false _InstallStartupPersistance:false _KeyStrokeLogger:false _LogInterval:57000 _MeltFile:false _Mutex:b887a855-4d0b-4f63-97fe-40d295f49816 _PasswordStealer:true _ProcessElevation:false _ProcessProtection:false _ScreenshotLogger:false _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 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 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.

  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Document_BT24PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Document_BT24PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1268
    • 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 use of WriteProcessMemory
      PID:2512
      • 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\tmpDDD2.tmp"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4236
      • 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\tmpF5C0.tmp"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:3692

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Defense Evasion

Scripting

1
T1064

Collection

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpDDD2.tmp
    Filesize

    4KB

    MD5

    a44410c464bc23ac615f732de976447c

    SHA1

    e13bb8bfa077dd78dda795b3c21750f217ba4d36

    SHA256

    a1a6fab77bd9c6713b610b41cb025ba806b8fd64fb80b862e1c44ab2277545a6

    SHA512

    15e8af0f65161d9ffe068f10083bb2aebfa9be89a36ca6816853f05b58dd05ea46c5abd2f306a354b6ce9eeab20f26a900c6cf3233553bacf168dcbefb79e31a

  • memory/1268-130-0x0000000003450000-0x00000000034DB000-memory.dmp
    Filesize

    556KB

  • memory/2512-131-0x0000000000000000-mapping.dmp
  • memory/2512-132-0x0000000000400000-0x0000000000490000-memory.dmp
    Filesize

    576KB

  • memory/2512-137-0x00000000747B0000-0x0000000074D61000-memory.dmp
    Filesize

    5.7MB

  • memory/2512-138-0x00000000747B0000-0x0000000074D61000-memory.dmp
    Filesize

    5.7MB

  • memory/3692-150-0x0000000000400000-0x000000000041C000-memory.dmp
    Filesize

    112KB

  • memory/3692-149-0x0000000000400000-0x000000000041C000-memory.dmp
    Filesize

    112KB

  • memory/3692-147-0x0000000000400000-0x000000000041C000-memory.dmp
    Filesize

    112KB

  • memory/3692-146-0x0000000000000000-mapping.dmp
  • memory/4236-140-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/4236-144-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/4236-143-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/4236-142-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/4236-139-0x0000000000000000-mapping.dmp