Overview

overview

10

Static

static

1

b4b7eab942...bd.exe

windows7-x64

8

b4b7eab942...bd.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b4b7eab942bf5ffa93bef1444c82b059d3c18234bcec49df9ec2294bf0ec66bd.exe

  • Size

    819KB

  • Sample

    241219-ebgg7swnax

  • MD5

    e4e7b853e87922ff59bcae3527b206f9

  • SHA1

    15e8dc7771a5b9ebeae4b64ccc20a8d9798158c2

  • SHA256

    b4b7eab942bf5ffa93bef1444c82b059d3c18234bcec49df9ec2294bf0ec66bd

  • SHA512

    92406ea4aa0b16b825a776756fd875cc1d224144666c56fe6a7fb3ca6d8f0090adeb3e6e1a07bddd83ef1e2b9dda382fa50738ccb78a3f3f73245a330da8be4c

  • SSDEEP

    12288:3zpSYVj1vkBEu7i6rcdUYH+pIpHjGERkr1w0ZS8atGZnnBIjLNA8xrduQg9eC:9SYkWuO6dcQIpDJ2ZVnaFP5qEC

Score
10/10
remcosremotehostcollectiondiscoveryexecutionrat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

212.162.149.91:2404

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-HSAM04

  • 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

      b4b7eab942bf5ffa93bef1444c82b059d3c18234bcec49df9ec2294bf0ec66bd.exe

    • Size

      819KB

    • MD5

      e4e7b853e87922ff59bcae3527b206f9

    • SHA1

      15e8dc7771a5b9ebeae4b64ccc20a8d9798158c2

    • SHA256

      b4b7eab942bf5ffa93bef1444c82b059d3c18234bcec49df9ec2294bf0ec66bd

    • SHA512

      92406ea4aa0b16b825a776756fd875cc1d224144666c56fe6a7fb3ca6d8f0090adeb3e6e1a07bddd83ef1e2b9dda382fa50738ccb78a3f3f73245a330da8be4c

    • SSDEEP

      12288:3zpSYVj1vkBEu7i6rcdUYH+pIpHjGERkr1w0ZS8atGZnnBIjLNA8xrduQg9eC:9SYkWuO6dcQIpDJ2ZVnaFP5qEC

    Score
    10/10
    discoveryexecutionremcosremotehostcollectionrat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • 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 and hide display window.

      execution

    • Accesses Microsoft Outlook accounts

      collection

    • Blocklisted process makes network request

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks