Overview

overview

10

Static

static

3

BL-TLN0124...GM.scr

windows7-x64

10

BL-TLN0124...GM.scr

windows10-2004-x64

10

Sharing

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General

  • Target
    BLTLN0124796CMACGM.GZ.gz
  • Size 860KB
  • Sample240924-la2kbayfmn
  • SHA256 ec8b5d134fb3669c59733a303ef5a03bb6cc5a02602bce545d4fedda93ea4962
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
remcosgeneralwire-slavescollectiondiscoveryexecutionratspywarestealer

Malware Config

Extracted

Family

  • remcos

Botnet

  • GeneralWire-Slaves

C2

  • milliondollar23.duckdns.org:3984

Attributes
  • audio_folder

    MicRecords

  • 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-TWU43D

  • 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
      BL-TLN0124796CMACGM.scr
    • Size 915KB
    • SHA256 d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    remcosgeneralwire-slavescollectiondiscoveryexecutionratspywarestealer

    • Remcos

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

      ratremcos

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • 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.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses Microsoft Outlook accounts

      collection

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks