General

  • Target

    86fdce274d421f0ea475f27613482dac4107b752b6d69e7fca8bf31f92610b9b

  • Size

    2.1MB

  • Sample

    240826-ac7nkavdjk

  • MD5

    9f143b15f7236700686642fe455de026

  • SHA1

    35708f43926ec5211039699976546a8bc0df3497

  • SHA256

    86fdce274d421f0ea475f27613482dac4107b752b6d69e7fca8bf31f92610b9b

  • SHA512

    748d091aba0fc6a3f8b7993a8fc7247c128c786cc057e2ba39a953f95b84b0b249d17ae3857db11c0b233c6ecdf7bdd3c691a323eee0f91c6ab3d10b22247390

  • SSDEEP

    24576:SD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4avnXJm8:Sp7E+QrFUBgq2Sn7

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

213.183.58.19:4000

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

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    read.dat

  • keylog_flag

    false

  • keylog_folder

    CastC

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_sccafsoidz

  • 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

      86fdce274d421f0ea475f27613482dac4107b752b6d69e7fca8bf31f92610b9b

    • Size

      2.1MB

    • MD5

      9f143b15f7236700686642fe455de026

    • SHA1

      35708f43926ec5211039699976546a8bc0df3497

    • SHA256

      86fdce274d421f0ea475f27613482dac4107b752b6d69e7fca8bf31f92610b9b

    • SHA512

      748d091aba0fc6a3f8b7993a8fc7247c128c786cc057e2ba39a953f95b84b0b249d17ae3857db11c0b233c6ecdf7bdd3c691a323eee0f91c6ab3d10b22247390

    • SSDEEP

      24576:SD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4avnXJm8:Sp7E+QrFUBgq2Sn7

    • Remcos

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks