Overview

overview

10

Static

static

5

Bill Of Quantities.js

windows10-2004-x64

10

Bill Of Quantities.js

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    15072026_1640_Bill Of Quantities.js.gz
  • Size 112KB
  • Sample260715-t6v2eagy5p
  • SHA256 22f1405a607b02f11bdae96a37c3724dcd138a7e5655281d2b9de34fa8d4ea7c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remcosjapan-act 2collectiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • remcos

Version

  • 7.2.6 Pro

Botnet

  • Japan-Act 2

C2

  • japan-act.ydns.eu:62699

  • japan-act2.ydns.eu:55931

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-158WNZ

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target
      Bill Of Quantities.js
    • Size 220KB
    • SHA256 9e0c56bb46c7ec69dd34afba31405b8067002116ba0f0adfb54dc21610a31a2d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    japan-act 2collectiondiscoveryexecutionremcospersistencerat

    • Family: Remcos

      Remcos is a closed-source remote control and surveillance software.

      ratremcos

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Accesses Microsoft Outlook profiles

      collection

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks