Analysis

  • max time kernel
    110s
  • max time network
    115s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    27-07-2022 11:53

General

  • Target

    Invoice.exe

  • Size

    566KB

  • MD5

    c0d2dfdb840f78a114b0a59f3fff0f67

  • SHA1

    6506d8f5e7f331ab107f61546e71bd3c7902a383

  • SHA256

    2000ada5b57a380a1b64080683830a5e8cb8b6a1a0e3859216090d01748b7b7c

  • SHA512

    0f4ff3a4c317cfc895a19bf28bee53d7e624e53a29b3cf55a2dd7dbaf072eb49d6af7cb128c40c03878f6ebb46116fc4176fdf0fafe3c89510584db09a66f4eb

Malware Config

Extracted

Family

netwire

C2

185.140.53.61:3363

185.140.53.61:3365

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

    move4ward

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 9 IoCs
  • Netwire

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

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:944
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xwwpgUdYN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7C13.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1608
    • C:\Users\Admin\AppData\Local\Temp\Invoice.exe
      "{path}"
      2⤵
        PID:2024
      • C:\Users\Admin\AppData\Local\Temp\Invoice.exe
        "{path}"
        2⤵
          PID:2012

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp7C13.tmp

        Filesize

        1KB

        MD5

        e5b2f12bdcbc6180efef20ed62aaea8f

        SHA1

        bf5239cf55197188a1e8e297bb82d6d8ef06998a

        SHA256

        0c8da6e28237b8175a27499c42e86ba8b75edd40afcc934f7761dd195105b290

        SHA512

        3fde03b0ae4054930abfa41b3a362d6f9fda729caa64c9329ab5e7c59c395a95197c196235d7160213cb98d54c1bf3173e888275fcf9c62387b0ebfbe4166530

      • memory/944-54-0x0000000001040000-0x00000000010D4000-memory.dmp

        Filesize

        592KB

      • memory/944-55-0x00000000753E1000-0x00000000753E3000-memory.dmp

        Filesize

        8KB

      • memory/944-56-0x0000000000270000-0x000000000027A000-memory.dmp

        Filesize

        40KB

      • memory/944-57-0x0000000005000000-0x000000000507E000-memory.dmp

        Filesize

        504KB

      • memory/944-58-0x00000000008B0000-0x00000000008DE000-memory.dmp

        Filesize

        184KB

      • memory/1608-59-0x0000000000000000-mapping.dmp

      • memory/2012-62-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

      • memory/2012-61-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

      • memory/2012-66-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

      • memory/2012-68-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

      • memory/2012-67-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

      • memory/2012-64-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

      • memory/2012-70-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

      • memory/2012-72-0x000000000040242D-mapping.dmp

      • memory/2012-71-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

      • memory/2012-75-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

      • memory/2012-76-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

      • memory/2012-77-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB