Analysis

  • max time kernel
    90s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/01/2024, 04:19

General

  • Target

    66ae237c1680a6c0194d4a5ef883a146.exe

  • Size

    1.5MB

  • MD5

    66ae237c1680a6c0194d4a5ef883a146

  • SHA1

    7c37067d047caae8b5ca9127a6b89845e833c520

  • SHA256

    282e441b58eed38ce5b5aeae04ad6d174ff23b8c7a6ced664c54b683f8cfc8ab

  • SHA512

    894d8f621a240f99bf9914c2efe2205b61cedf16573a559020616e26dc47f8cdf9fc4f063ed8a1b46e6ca51baa4f5cda317d60aa3649f0af90abdbc88ddca5a0

  • SSDEEP

    24576:AAOcZwdf+OD0+5PYjasPw5X1WelwB1rABQ8iHX0eFpPFbKi6FGxGIsDCabnd:ef5wja2ayfmgpPFbKi6kxxK1bnd

Malware Config

Extracted

Family

netwire

C2

harold.ns01.info:3606

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    Netwir

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • mutex

    pHJVBoFH

  • offline_keylogger

    true

  • password

    master12

  • registry_autorun

    false

  • use_mutex

    true

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.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\66ae237c1680a6c0194d4a5ef883a146.exe
    "C:\Users\Admin\AppData\Local\Temp\66ae237c1680a6c0194d4a5ef883a146.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2568
    • C:\Users\Admin\AppData\Local\Temp\40791675\lqilwl.pif
      "C:\Users\Admin\AppData\Local\Temp\40791675\lqilwl.pif" wmrvmdcs.ije
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2260
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:3744

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\40791675\lqilwl.pif

      Filesize

      649KB

      MD5

      e423fa6f72ef1a0d63ef5f85380657d6

      SHA1

      83114ec1db55867fde6d249352fcb3c52ef53af2

      SHA256

      4c38d6dc99e8219ccc923bddc94c9298f6b5aee6b4b42323d924cffdeafd356e

      SHA512

      687407a6354547f11faf190472e5fa5c50c0d01d911823b372d80029054e2e830c08b2a9100f5f1b1a742d0755bddfb784854bd7431f98b6b352010e2d01dac3

    • C:\Users\Admin\AppData\Local\Temp\40791675\mird.xml

      Filesize

      377KB

      MD5

      744295ad3e845c00badb2c4701521e8b

      SHA1

      039c5c54de34eb8a8fbb29d8ba0912d355e1293f

      SHA256

      b8cc7d152ee42023207babb9ea6511fea1565b7e5a4f43bbeb27d3f028c1e4c0

      SHA512

      1236d0dd7078064e7c4a1fe88e8696b53bef794fe754878c2d362a2ef418facbb5e386076912905ce611f6d12d9a95c0a20f4a8b699a3e412be5729a59f8362e

    • C:\Users\Admin\AppData\Local\Temp\40791675\wmrvmdcs.ije

      Filesize

      3.4MB

      MD5

      1c38813983f0695cd45db98df24bac6b

      SHA1

      878182cceb1d4458c6bd9a483f3c3cdf975235a5

      SHA256

      a5082da9268ad63ceffe0d5ccd9cca049e582601be91cbe3aea5a9a89188e6e1

      SHA512

      3c7e2928edb1c1a4efb3135190196f5aed32978a88d3d8e3402ac791aa693b3dd70ba9704a68072602fdb1b18a5d92b8cd20cd4822c6389f7699f46c1252e3f0

    • memory/3744-78-0x0000000000FC0000-0x000000000166E000-memory.dmp

      Filesize

      6.7MB

    • memory/3744-80-0x0000000000FC0000-0x000000000166E000-memory.dmp

      Filesize

      6.7MB

    • memory/3744-81-0x0000000000FC0000-0x000000000166E000-memory.dmp

      Filesize

      6.7MB