General

  • Target

    clip.exe

  • Size

    827KB

  • Sample

    210730-bfxe1keq6s

  • MD5

    e6ed552b84d437e90031f9fc3d41b62a

  • SHA1

    a3ef9269bc3a1c10ab532a4e45e674b90802d435

  • SHA256

    fd866b4e18b49ef0232eda27280a0d56a9e408792bba4cddded1961fe64e7bf3

  • SHA512

    18279fe31299b0456d5b1a31f29616f39930d478de7ccb37c556866abcdf2eec40cc975fd50b01aead7d1aba7ffe040f03c27fcbfda56d1f35992048fe040510

Malware Config

Extracted

Family

remcos

Version

3.2.0 Pro

Botnet

Jules

C2

twistednerd.dvrlists.com:8618

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Jules-S7Z67A

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    notepad;solitaire;

Extracted

Family

remcos

Botnet

Jules

C2

twistednerd.dvrlists.com:8618

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Jules-S7Z67A

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    notepad;solitaire;

Targets

    • Target

      clip.exe

    • Size

      827KB

    • MD5

      e6ed552b84d437e90031f9fc3d41b62a

    • SHA1

      a3ef9269bc3a1c10ab532a4e45e674b90802d435

    • SHA256

      fd866b4e18b49ef0232eda27280a0d56a9e408792bba4cddded1961fe64e7bf3

    • SHA512

      18279fe31299b0456d5b1a31f29616f39930d478de7ccb37c556866abcdf2eec40cc975fd50b01aead7d1aba7ffe040f03c27fcbfda56d1f35992048fe040510

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Remcos

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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Tasks