Overview

overview

10

Static

static

10

Backdoor.exe

windows7-x64

10

Backdoor.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Backdoor.dll

  • Size

    100KB

  • Sample

    240127-w6arksbdfl

  • MD5

    b413fee050bacbf831bc006f0414b6ca

  • SHA1

    ef6aad6bc6443f73a991724355ed74d610b1409b

  • SHA256

    6bda8394101554cfdc4f42dd2e5628f390fd09663571a8d080610aac270ff08b

  • SHA512

    fe813018c1e4a57679c2a4c13e08025715b21ff6f247aab3406d1fc0dbe1d15d3069f13a39e4b3b0b6ad4e598cc71ab3ac990c9fccaf9eb94ec967172807850c

  • SSDEEP

    3072:nhzYTGWVvJ8f2v1TbPzuMsIFSHNThy+JP/P6Ervb:nhzOv2fM13jsIFSHNT7P/P6Qvb

Score
10/10
remcosdlscordpersistencerat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Dlscord

C2

shall-someone.gl.at.ply.gg:60408

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    10

  • connect_interval

    5

  • copy_file

    Bin.exe

  • copy_folder

    Factorio

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %SystemDrive%

  • keylog_crypt

    true

  • keylog_file

    driver.dat

  • keylog_flag

    false

  • keylog_folder

    keyboard drivers

  • keylog_path

    %WinDir%\System32

  • mouse_option

    false

  • mutex

    remcos_bfpmypnbrt

  • screenshot_crypt

    true

  • screenshot_flag

    true

  • screenshot_folder

    Screen drivers

  • screenshot_path

    %WinDir%\System32

  • screenshot_time

    60

  • startup_value

    Windows.Defender

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      Backdoor.dll

    • Size

      100KB

    • MD5

      b413fee050bacbf831bc006f0414b6ca

    • SHA1

      ef6aad6bc6443f73a991724355ed74d610b1409b

    • SHA256

      6bda8394101554cfdc4f42dd2e5628f390fd09663571a8d080610aac270ff08b

    • SHA512

      fe813018c1e4a57679c2a4c13e08025715b21ff6f247aab3406d1fc0dbe1d15d3069f13a39e4b3b0b6ad4e598cc71ab3ac990c9fccaf9eb94ec967172807850c

    • SSDEEP

      3072:nhzYTGWVvJ8f2v1TbPzuMsIFSHNThy+JP/P6Ervb:nhzOv2fM13jsIFSHNT7P/P6Qvb

    Score
    10/10
    remcosdlscordpersistencerat

    • Remcos

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

      ratremcos

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks