Analysis

  • max time kernel
    152s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    14/08/2021, 08:47

General

  • Target
    E-Remittance Form_z.TXT.exe
  • Size 1.4MB
  • Sample210814-sr9bd6bjbx
  • SHA256 bdade907a458b6c9d2e87af5667c3b8a16aa7804535634ed662b0e07c34f64b1
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.com

  • Port

    587

  • Password

    PLAYBOY@123

Extracted

Family
  • hawkeye_reborn

Version
  • 9.0.1.6

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.com

  • Port

    587

  • Password

    PLAYBOY@123

Mutex
  • 0afb590f-6441-4e30-9017-486274a19cc9

Attributes
  • fields

    map[_AntiDebugger:false _AntiVirusKiller:false _BotKiller:false _ClipboardLogger:true _Delivery:0 _DisableCommandPrompt:false _DisableRegEdit:false _DisableTaskManager:false _Disablers:false _EmailPassword:PLAYBOY@123 _EmailPort:587 _EmailSSL:true _EmailServer:smtp.yandex.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:2880 _MeltFile:false _Mutex:0afb590f-6441-4e30-9017-486274a19cc9 _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 2 IoCs

    Detects M00nD3v Logger payload in memory.

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 IoCs
  • Executes dropped EXE 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\E-Remittance Form_z.TXT.exe
    "C:\Users\Admin\AppData\Local\Temp\E-Remittance Form_z.TXT.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4060
    • C:\Users\Admin\AppData\Local\Temp\82139548\urdavsa.pif
      "C:\Users\Admin\AppData\Local\Temp\82139548\urdavsa.pif" rpgc.htg
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3748
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1300
        • 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\tmpFD9F.tmp"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1480
        • 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\tmp273.tmp"
          4⤵
            PID:2508

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1300-119-0x0000000001100000-0x00000000016E1000-memory.dmp

          memory/1300-135-0x0000000006AC0000-0x0000000006AC1000-memory.dmp

          memory/1300-123-0x0000000005D70000-0x0000000005DE2000-memory.dmp

          memory/1300-124-0x000000000A7A0000-0x000000000A7A1000-memory.dmp

          memory/1300-125-0x000000000A480000-0x000000000A481000-memory.dmp

          memory/1300-126-0x0000000005DF0000-0x0000000005DF1000-memory.dmp

          memory/1300-127-0x0000000005E90000-0x0000000005E91000-memory.dmp

          memory/1300-136-0x0000000006A80000-0x0000000006A81000-memory.dmp

          memory/1480-128-0x0000000000400000-0x000000000045B000-memory.dmp

          memory/1480-130-0x0000000000400000-0x000000000045B000-memory.dmp

          memory/2508-132-0x0000000000400000-0x000000000041C000-memory.dmp

          memory/2508-134-0x0000000000400000-0x000000000041C000-memory.dmp