Analysis

  • max time kernel
    72s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    27/07/2021, 08:53

General

  • Target
    08d679d4b9a12137756cc9244bd6f017.exe
  • Size 1.2MB
  • Sample210727-hdda52zzfe
  • SHA256 047f33e6f83796d9fc056d7006a6e8ef69696d63eceb29fb1592bb13a62e79bf
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • suricata: ET MALWARE HawkEye Keylogger FTP
  • NirSoft MailPassView 6 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 6 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 9 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • 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
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\08d679d4b9a12137756cc9244bd6f017.exe
    "C:\Users\Admin\AppData\Local\Temp\08d679d4b9a12137756cc9244bd6f017.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
      "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1372
      • 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\holdermail.txt"
        3⤵
          PID:1616
        • 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\holderwb.txt"
          3⤵
            PID:1364

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/1364-83-0x0000000000400000-0x0000000000458000-memory.dmp

            memory/1364-87-0x0000000000400000-0x0000000000458000-memory.dmp

            memory/1372-80-0x0000000004E85000-0x0000000004E96000-memory.dmp

            memory/1372-76-0x00000000004A0000-0x00000000004A2000-memory.dmp

            memory/1372-69-0x0000000000400000-0x0000000000488000-memory.dmp

            memory/1372-73-0x0000000000400000-0x0000000000488000-memory.dmp

            memory/1372-75-0x0000000004E80000-0x0000000004E81000-memory.dmp

            memory/1616-77-0x0000000000400000-0x000000000041B000-memory.dmp

            memory/1616-79-0x0000000076281000-0x0000000076283000-memory.dmp

            memory/1616-81-0x0000000000400000-0x000000000041B000-memory.dmp

            memory/2020-60-0x0000000000920000-0x0000000000921000-memory.dmp

            memory/2020-67-0x0000000000900000-0x0000000000901000-memory.dmp

            memory/2020-66-0x00000000047F1000-0x00000000047F2000-memory.dmp

            memory/2020-65-0x0000000000890000-0x000000000089B000-memory.dmp

            memory/2020-64-0x0000000000830000-0x0000000000851000-memory.dmp

            memory/2020-62-0x00000000047F0000-0x00000000047F1000-memory.dmp