Analysis

  • max time kernel
    146s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-07-2022 05:01

General

  • Target

    e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe

  • Size

    280KB

  • MD5

    062c777eee936d3b7d4f0eda94298251

  • SHA1

    2dfa19103143f99afd688265a83a08b6aa8794a5

  • SHA256

    e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b

  • SHA512

    11fa3efaed4a32f43a24f3e8e20855259a72dd427e7ee744b2a4b26c20b8ccb9edd56056f841dfa0f7c66ffe5bb49d882f57f0729599ac2ef99116e2a519c4a9

Malware Config

Extracted

Family

netwire

C2

185.244.129.107:3360

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • keylogger_dir

    %AppData%\Lols\

  • lock_executable

    false

  • mutex

    HDDkuTxC

  • offline_keylogger

    true

  • password

    Password

  • registry_autorun

    false

  • use_mutex

    true

Signatures

  • NetWire RAT payload 1 IoCs
  • Netwire

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

  • Modifies registry class 18 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe
    "C:\Users\Admin\AppData\Local\Temp\e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe"
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1876
    • C:\Windows\SysWOW64\wermgr.exe
      "C:\Windows\System32\wermgr.exe"
      2⤵
        PID:732

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/732-131-0x0000000000000000-mapping.dmp

    • memory/732-132-0x0000000000630000-0x000000000065C000-memory.dmp

      Filesize

      176KB

    • memory/1876-130-0x0000000000400000-0x0000000000446000-memory.dmp

      Filesize

      280KB