Analysis

  • max time kernel
    63s
  • max time network
    74s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    29-07-2022 07:22

General

  • Target

    INV87327328773232.exe

  • Size

    888KB

  • MD5

    018d11d4c98a8eae7cb309dea498dd53

  • SHA1

    a03fc82b8e4131a49ce8d2d89d896e1d872ca76c

  • SHA256

    7e25b98724cfdea64168e7d4cf3b34d534b43f1fcac3c0eae2a138bcea30344b

  • SHA512

    74265062eb6cfe492d5b08faa5b9a52c2f805191cc119644f6cbaa1f2a5dbaffc389d396ae4662ed208501aa5ceced5099a5c907f5b70f9278bbe5931f025714

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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INV87327328773232.exe
    "C:\Users\Admin\AppData\Local\Temp\INV87327328773232.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:904
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WpHPQip.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1848
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WpHPQip" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEF9D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:976
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:1116

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpEF9D.tmp

      Filesize

      1KB

      MD5

      4df0f494cbb7bea9a00c1690819d1f56

      SHA1

      19de232e33c7dcfeaa669f22edaedd5cb8339efe

      SHA256

      4f05cfa8434d9b974e3ef05308a1525c3e9be2022fc52023af8dc37f8d5a2e70

      SHA512

      816ca5a2a0ed4608a55159eda3f95cddc568c63200b6a32bd09ca34e286f001ea559469e822a3f1033adb48bf852d862e8880dea17876859e925efd03eecb876

    • memory/904-63-0x0000000004FC0000-0x000000000500C000-memory.dmp

      Filesize

      304KB

    • memory/904-55-0x00000000766A1000-0x00000000766A3000-memory.dmp

      Filesize

      8KB

    • memory/904-56-0x00000000004C0000-0x00000000004D6000-memory.dmp

      Filesize

      88KB

    • memory/904-57-0x00000000004E0000-0x00000000004EA000-memory.dmp

      Filesize

      40KB

    • memory/904-58-0x0000000005FE0000-0x0000000006078000-memory.dmp

      Filesize

      608KB

    • memory/904-54-0x00000000010B0000-0x0000000001194000-memory.dmp

      Filesize

      912KB

    • memory/976-60-0x0000000000000000-mapping.dmp

    • memory/1116-74-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/1116-64-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/1116-65-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/1116-67-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/1116-69-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/1116-71-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/1116-72-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/1116-75-0x000000000041AE7B-mapping.dmp

    • memory/1116-78-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/1116-80-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/1848-59-0x0000000000000000-mapping.dmp

    • memory/1848-79-0x000000006EF90000-0x000000006F53B000-memory.dmp

      Filesize

      5.7MB

    • memory/1848-81-0x000000006EF90000-0x000000006F53B000-memory.dmp

      Filesize

      5.7MB