Analysis

  • max time kernel
    114s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-01-2023 18:42

General

  • Target

    46185d648b66380eb3fa3cdea9146d77.exe

  • Size

    8KB

  • MD5

    46185d648b66380eb3fa3cdea9146d77

  • SHA1

    1f253b466688771c9f8d2f67b52fa9e39bfc9329

  • SHA256

    d1c250fd723d26b790ca019cad1cb159a6e95c0add5e57094e33252b53f04da6

  • SHA512

    656d9ad3a1aef82b6645318f5e7312379349347c143686e407c2191035acfafed1adfd970eb7f6907032ed95e70b206b1d6da42424e648665d7b03f5edf2d42b

  • SSDEEP

    96:/T978DaGTTNuPONQsAYAlcQf1cEXwr0iG0+k/xS7Zr74bFnU:xHGNuaspcEXz0j/klrN

Malware Config

Extracted

Family

netwire

C2

212.193.30.230:3363

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • offline_keylogger

    true

  • password

    Password@2

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 3 IoCs
  • Netwire

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\46185d648b66380eb3fa3cdea9146d77.exe
    "C:\Users\Admin\AppData\Local\Temp\46185d648b66380eb3fa3cdea9146d77.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4156
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMQAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2240
    • C:\Users\Admin\AppData\Local\Temp\46185d648b66380eb3fa3cdea9146d77.exe
      C:\Users\Admin\AppData\Local\Temp\46185d648b66380eb3fa3cdea9146d77.exe
      2⤵
        PID:3980
      • C:\Users\Admin\AppData\Local\Temp\46185d648b66380eb3fa3cdea9146d77.exe
        C:\Users\Admin\AppData\Local\Temp\46185d648b66380eb3fa3cdea9146d77.exe
        2⤵
          PID:3380

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2240-144-0x0000000006340000-0x000000000635A000-memory.dmp
        Filesize

        104KB

      • memory/2240-141-0x0000000005810000-0x0000000005876000-memory.dmp
        Filesize

        408KB

      • memory/2240-142-0x0000000005E50000-0x0000000005E6E000-memory.dmp
        Filesize

        120KB

      • memory/2240-140-0x0000000005020000-0x0000000005086000-memory.dmp
        Filesize

        408KB

      • memory/2240-137-0x0000000000000000-mapping.dmp
      • memory/2240-138-0x0000000002870000-0x00000000028A6000-memory.dmp
        Filesize

        216KB

      • memory/2240-139-0x0000000005170000-0x0000000005798000-memory.dmp
        Filesize

        6.2MB

      • memory/2240-143-0x00000000076A0000-0x0000000007D1A000-memory.dmp
        Filesize

        6.5MB

      • memory/3380-146-0x0000000000000000-mapping.dmp
      • memory/3380-150-0x0000000000400000-0x0000000000433000-memory.dmp
        Filesize

        204KB

      • memory/3380-149-0x0000000000400000-0x0000000000433000-memory.dmp
        Filesize

        204KB

      • memory/3380-147-0x0000000000400000-0x0000000000433000-memory.dmp
        Filesize

        204KB

      • memory/3980-145-0x0000000000000000-mapping.dmp
      • memory/4156-133-0x0000000005E70000-0x0000000006414000-memory.dmp
        Filesize

        5.6MB

      • memory/4156-132-0x0000000000E70000-0x0000000000E78000-memory.dmp
        Filesize

        32KB

      • memory/4156-135-0x0000000005830000-0x000000000583A000-memory.dmp
        Filesize

        40KB

      • memory/4156-134-0x00000000058C0000-0x0000000005952000-memory.dmp
        Filesize

        584KB

      • memory/4156-136-0x0000000007260000-0x0000000007282000-memory.dmp
        Filesize

        136KB