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

  • MD5

    08d679d4b9a12137756cc9244bd6f017

  • SHA1

    580c29bc356057d76873c9c453ed466e1024b7f2

  • SHA256

    047f33e6f83796d9fc056d7006a6e8ef69696d63eceb29fb1592bb13a62e79bf

  • SHA512

    e6293a802a6f539be11df5f6d83ee113ad98d8e5566d59810a18359ff0756eabe2b10f4c8bbd1e17222aaf45400b8a89d33f0e5786418347dc5213b79d8d7116

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.vngpack.com
  • Port:
    21
  • Username:
    newloggsaa@vngpack.com
  • Password:
    Xpen2000

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 Matrix ATT&CK v6

      Execution

      Scripting

      1
      T1064

      Defense Evasion

      Scripting

      1
      T1064

      Install Root Certificate

      1
      T1130

      Modify Registry

      1
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
        MD5

        91c9ae9c9a17a9db5e08b120e668c74c

        SHA1

        50770954c1ceb0bb6f1d5d3f2de2a0a065773723

        SHA256

        e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

        SHA512

        ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

      • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
        MD5

        91c9ae9c9a17a9db5e08b120e668c74c

        SHA1

        50770954c1ceb0bb6f1d5d3f2de2a0a065773723

        SHA256

        e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

        SHA512

        ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

      • C:\Users\Admin\AppData\Local\Temp\holderwb.txt
        MD5

        f3b25701fe362ec84616a93a45ce9998

        SHA1

        d62636d8caec13f04e28442a0a6fa1afeb024bbb

        SHA256

        b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

        SHA512

        98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

      • \Users\Admin\AppData\Local\Temp\InstallUtil.exe
        MD5

        91c9ae9c9a17a9db5e08b120e668c74c

        SHA1

        50770954c1ceb0bb6f1d5d3f2de2a0a065773723

        SHA256

        e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

        SHA512

        ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

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

        352KB

      • memory/1364-84-0x0000000000442628-mapping.dmp
      • memory/1364-87-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

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

        68KB

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

        8KB

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

        544KB

      • memory/1372-70-0x0000000000480B6E-mapping.dmp
      • memory/1372-73-0x0000000000400000-0x0000000000488000-memory.dmp
        Filesize

        544KB

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

        4KB

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

        108KB

      • memory/1616-78-0x0000000000411654-mapping.dmp
      • memory/1616-79-0x0000000076281000-0x0000000076283000-memory.dmp
        Filesize

        8KB

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

        108KB

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

        4KB

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

        4KB

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

        4KB

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

        44KB

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

        132KB

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

        4KB