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.exe

  • Size

    92KB

  • Sample

    241004-t2kd4syeqc

  • MD5

    4af287a83510d3a36ee2e591801aae74

  • SHA1

    bdc1a2e9594f7650bcc47711e71f41f1cf0d6bf6

  • SHA256

    40d8e8b88f224bc5b0686b0154ccec7173ea1251244aff66ecdf1788dc4879cd

  • SHA512

    f7c47f734e231206dae6e2b55b8cbaaa7ba01b7c09c15a7f080e7f9a65b8a9c0b7bdaa3c4d66ed34b101af03b98e8d6ede6d022450907024bd6de88eaef25a3d

  • SSDEEP

    1536:AhhW0YTGZWdVseJxaM9kraLdV2QkQ1TbPX8IHOCkIsI4ESHNTh9E+JP19qkP6NrT:GhzYTGWVvJ8f2v1TbPzuMsIFSHNThy+a

Score
10/10
remcoshostdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

74.215.232.65:6060

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

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_axwfyanmhaeeahv

  • 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

      Backdoor.exe

    • Size

      92KB

    • MD5

      4af287a83510d3a36ee2e591801aae74

    • SHA1

      bdc1a2e9594f7650bcc47711e71f41f1cf0d6bf6

    • SHA256

      40d8e8b88f224bc5b0686b0154ccec7173ea1251244aff66ecdf1788dc4879cd

    • SHA512

      f7c47f734e231206dae6e2b55b8cbaaa7ba01b7c09c15a7f080e7f9a65b8a9c0b7bdaa3c4d66ed34b101af03b98e8d6ede6d022450907024bd6de88eaef25a3d

    • SSDEEP

      1536:AhhW0YTGZWdVseJxaM9kraLdV2QkQ1TbPX8IHOCkIsI4ESHNTh9E+JP19qkP6NrT:GhzYTGWVvJ8f2v1TbPzuMsIFSHNThy+a

    Score
    10/10
    remcoshostdiscoverypersistencerat

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks