Analysis

  • max time kernel
    291s
  • max time network
    297s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    21-07-2022 14:27

General

  • Target

    4328753e0685f48e5ee0e212e5bafbce11c43fb2aaa37a0b4d9fa6303d89e29d.exe

  • Size

    1.1MB

  • MD5

    4388de7dad58c945135233312a05daa8

  • SHA1

    2a6f646402485d6e54e95bcffdbd632d8b433298

  • SHA256

    4328753e0685f48e5ee0e212e5bafbce11c43fb2aaa37a0b4d9fa6303d89e29d

  • SHA512

    e23e4c7f45640ce08fca109ed9c45c83510d4b0f31a25001eade3da9a73ddc33e39eaa192160b5337c496a161be32231544e7604da35a8280fd316938f15061a

Malware Config

Extracted

Family

netwire

C2

xman2.duckdns.org:4433

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • lock_executable

    false

  • offline_keylogger

    false

  • password

    Password

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 7 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4328753e0685f48e5ee0e212e5bafbce11c43fb2aaa37a0b4d9fa6303d89e29d.exe
    "C:\Users\Admin\AppData\Local\Temp\4328753e0685f48e5ee0e212e5bafbce11c43fb2aaa37a0b4d9fa6303d89e29d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1912
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zgnciRUYxN.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1564
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zgnciRUYxN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBFC7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1600
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
      2⤵
        PID:592
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      1⤵
        PID:1044
      • C:\Windows\system32\AUDIODG.EXE
        C:\Windows\system32\AUDIODG.EXE 0xc4
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1032

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmpBFC7.tmp

        Filesize

        1KB

        MD5

        c89c937282ae7f016423a7a4dd14b709

        SHA1

        e4a7f72687756e88c72cbf98a39e853641f99a69

        SHA256

        4bef54010d09f2e0d7fc322bae2780f72e77e9174ddee223e98351e74c86d944

        SHA512

        b92a8626d408101cae349f6097da6daf0b7041a2c86ae0624c0b4f9f0209ad6829e583ece12f8d1468ac4fbe107d770aa69809061dbd57e455f4399ada584a48

      • memory/592-68-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/592-75-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/592-66-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/592-78-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/592-72-0x000000000041AE7B-mapping.dmp

      • memory/592-61-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/592-62-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/592-64-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/592-69-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/592-71-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/1044-80-0x000007FEFBC71000-0x000007FEFBC73000-memory.dmp

        Filesize

        8KB

      • memory/1564-57-0x0000000000000000-mapping.dmp

      • memory/1564-77-0x0000000074630000-0x0000000074BDB000-memory.dmp

        Filesize

        5.7MB

      • memory/1564-79-0x0000000074630000-0x0000000074BDB000-memory.dmp

        Filesize

        5.7MB

      • memory/1600-58-0x0000000000000000-mapping.dmp

      • memory/1912-55-0x0000000074630000-0x0000000074BDB000-memory.dmp

        Filesize

        5.7MB

      • memory/1912-56-0x0000000074630000-0x0000000074BDB000-memory.dmp

        Filesize

        5.7MB

      • memory/1912-76-0x0000000074630000-0x0000000074BDB000-memory.dmp

        Filesize

        5.7MB

      • memory/1912-54-0x0000000076071000-0x0000000076073000-memory.dmp

        Filesize

        8KB