Analysis

  • max time kernel
    80s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-07-2022 07:02

General

  • Target

    Quote.exe

  • Size

    530KB

  • MD5

    0de551c3a895fb267496eed5d0741f36

  • SHA1

    dfe8140401a22b40729ffdb3e333dbaea36965fa

  • SHA256

    5712e0a231e705d4438c09a5aacfdb9b753f9a2cc8a110c2b13606cdac708d42

  • SHA512

    4d752728eac9ec8020fb4e49b22437ba5171d1c16f44441b4d01625f1bd6c5250fa906923001686b2f17eb34a99173da0118ce32e896e5bc54f0847deb8e6ca4

Malware Config

Extracted

Family

netwire

C2

194.5.98.126:3378

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

    Pass@2023

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 4 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.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quote.exe
    "C:\Users\Admin\AppData\Local\Temp\Quote.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3828
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VTrLfcxDl.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3460
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VTrLfcxDl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp781E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4080
    • C:\Users\Admin\AppData\Local\Temp\Quote.exe
      "C:\Users\Admin\AppData\Local\Temp\Quote.exe"
      2⤵
        PID:2156

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp781E.tmp

      Filesize

      1KB

      MD5

      1c17c5587fb6ebf844e8675e3ad86061

      SHA1

      82277ce4c5ad5f850c9d2c0822c71d4d7f921a1e

      SHA256

      a43c80eeb873af9c3365ca2ec530b1bf59a6e8cab7f71aa8e0fe30321fb2d327

      SHA512

      3966ba054d1c707c6d739839993d1a44a1246c29a5f860588275ad0358ac5f4b209272e18e28ba6951fe85a0759f67d1aa7984989594c74b12dd883dbf44966c

    • memory/2156-159-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/2156-147-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/2156-143-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/2156-139-0x0000000000000000-mapping.dmp

    • memory/2156-140-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/3460-145-0x0000000005480000-0x00000000054E6000-memory.dmp

      Filesize

      408KB

    • memory/3460-153-0x0000000006EB0000-0x0000000006ECA000-memory.dmp

      Filesize

      104KB

    • memory/3460-158-0x00000000071D0000-0x00000000071D8000-memory.dmp

      Filesize

      32KB

    • memory/3460-141-0x0000000004DE0000-0x0000000005408000-memory.dmp

      Filesize

      6.2MB

    • memory/3460-135-0x0000000000000000-mapping.dmp

    • memory/3460-157-0x00000000071F0000-0x000000000720A000-memory.dmp

      Filesize

      104KB

    • memory/3460-156-0x00000000070E0000-0x00000000070EE000-memory.dmp

      Filesize

      56KB

    • memory/3460-144-0x0000000004D10000-0x0000000004D32000-memory.dmp

      Filesize

      136KB

    • memory/3460-155-0x0000000007130000-0x00000000071C6000-memory.dmp

      Filesize

      600KB

    • memory/3460-146-0x00000000055A0000-0x0000000005606000-memory.dmp

      Filesize

      408KB

    • memory/3460-154-0x0000000006F20000-0x0000000006F2A000-memory.dmp

      Filesize

      40KB

    • memory/3460-148-0x0000000005BA0000-0x0000000005BBE000-memory.dmp

      Filesize

      120KB

    • memory/3460-149-0x0000000006170000-0x00000000061A2000-memory.dmp

      Filesize

      200KB

    • memory/3460-150-0x00000000700C0000-0x000000007010C000-memory.dmp

      Filesize

      304KB

    • memory/3460-151-0x0000000006D60000-0x0000000006D7E000-memory.dmp

      Filesize

      120KB

    • memory/3460-152-0x00000000074F0000-0x0000000007B6A000-memory.dmp

      Filesize

      6.5MB

    • memory/3460-137-0x00000000022A0000-0x00000000022D6000-memory.dmp

      Filesize

      216KB

    • memory/3828-132-0x0000000004EA0000-0x0000000004F32000-memory.dmp

      Filesize

      584KB

    • memory/3828-130-0x0000000000450000-0x00000000004DC000-memory.dmp

      Filesize

      560KB

    • memory/3828-133-0x0000000004E70000-0x0000000004E7A000-memory.dmp

      Filesize

      40KB

    • memory/3828-134-0x0000000007390000-0x000000000742C000-memory.dmp

      Filesize

      624KB

    • memory/3828-131-0x00000000053B0000-0x0000000005954000-memory.dmp

      Filesize

      5.6MB

    • memory/4080-136-0x0000000000000000-mapping.dmp