Analysis

  • max time kernel
    66s
  • max time network
    78s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    27-07-2022 01:56

General

  • Target

    INV932878723873287.exe

  • Size

    1.1MB

  • MD5

    79d745dd588905fb5c97c1ca5c2fb258

  • SHA1

    8aed10d9c0f3df87c9b7a453535fb7df758ab483

  • SHA256

    74cb2165665a7f5c4c42bb4cf20433469f8d3a05b46967658440324aa811a9d7

  • SHA512

    93ba30b15c00eb100c57a80a24d66782f49e731da504d2c240c897d202e41b99229a7aab334ca89f85b0fa6e6c47a4cea2459a3b65b4727ccece502b81c26572

Malware Config

Extracted

Family

netwire

C2

149.102.132.253:3399

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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INV932878723873287.exe
    "C:\Users\Admin\AppData\Local\Temp\INV932878723873287.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eaDTbvrthWDQJz.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1628
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eaDTbvrthWDQJz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDEEB.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1564
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:1176

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1KB

      MD5

      68eb25a547df02355a70b2d46e774e41

      SHA1

      6c21d7a3fe840789ec1e68cf3e5c32b28de62828

      SHA256

      f37adf38ae128644fcdf1945cf049e063c1e20c81006e1dd5194753f53afc03e

      SHA512

      58755b40eba38ba0780c4731b7629218da4c54e63551f2e3ad5ffc53b0b99ac8cb7fcb760f7851decb2dc7f729ab66c9f41560cbae96f979d33200e5c4ed0f37

    • memory/1176-74-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/1176-69-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/1176-64-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/1176-80-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/1176-65-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/1176-78-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/1176-75-0x000000000041AE7B-mapping.dmp

    • memory/1176-67-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/1176-72-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/1176-71-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/1564-61-0x0000000000000000-mapping.dmp

    • memory/1628-79-0x000000006F000000-0x000000006F5AB000-memory.dmp

      Filesize

      5.7MB

    • memory/1628-81-0x000000006F000000-0x000000006F5AB000-memory.dmp

      Filesize

      5.7MB

    • memory/1628-59-0x0000000000000000-mapping.dmp

    • memory/2012-63-0x000000000AB40000-0x000000000AB8E000-memory.dmp

      Filesize

      312KB

    • memory/2012-54-0x0000000000A90000-0x0000000000BAE000-memory.dmp

      Filesize

      1.1MB

    • memory/2012-55-0x0000000075A81000-0x0000000075A83000-memory.dmp

      Filesize

      8KB

    • memory/2012-56-0x00000000043D0000-0x00000000043E6000-memory.dmp

      Filesize

      88KB

    • memory/2012-58-0x000000000AA30000-0x000000000AACA000-memory.dmp

      Filesize

      616KB

    • memory/2012-57-0x00000000043E0000-0x00000000043EA000-memory.dmp

      Filesize

      40KB