Overview

overview

10

Static

static

3

April Acco..._1.exe

windows7-x64

10

April Acco..._1.exe

windows10-2004-x64

10

Resubmissions

21/05/2024, 09:40

240521-lnbaaagg2310

21/05/2024, 09:39

240521-lmn5ragg3s3

21/05/2024, 09:36

240521-lk6l1sgf373

Sharing

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General

  • Target
    April Account Ledger_1.exe
  • Size 574KB
  • Sample240521-lnbaaagg23
  • SHA256 8b56cc2c461f79c2cfcdbddf1dc63f021d5ccda36b9939715fd5c4f95c1d04c8
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
remcosnxtexecutionrat

Malware Config

Extracted

Family

  • remcos

Version

  • 1.7 Pro

Botnet

  • NxT

C2

  • 185.156.174.115:11274

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    windows.dat

  • keylog_flag

    false

  • keylog_folder

    NxT

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_wtxnvdauuk89796yuhjk7y

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target
      April Account Ledger_1.exe
    • Size 574KB
    • SHA256 8b56cc2c461f79c2cfcdbddf1dc63f021d5ccda36b9939715fd5c4f95c1d04c8
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    remcosnxtexecutionrat

    • Remcos

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

      ratremcos

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks