General

  • Target

    ba31aec6944cb10bc7fc3c2c684f430a1e94177e91a10a9be63d70e52d818026.exe

  • Size

    1.1MB

  • Sample

    250122-xql1cazra1

  • MD5

    f87cce0689a2fb5cbdd6354280f03135

  • SHA1

    bd07a1e9158f517053df7b2ee7aa915253c63672

  • SHA256

    ba31aec6944cb10bc7fc3c2c684f430a1e94177e91a10a9be63d70e52d818026

  • SHA512

    17329131f18019f8d6012d13a352ec867bbfcc705b0951ac411b51f2de0a2b17ec5e851d40baa4e053b3ef139af3709378d50e2ea92bc16aedc01cbc4874393b

  • SSDEEP

    24576:1u6J33O0c+JY5UZ+XC0kGso6FakCsU4yYhK3x9uZ3WYb:Xu0c++OCvkGs9Fak4BYb

Malware Config

Extracted

Family

remcos

Version

2.2.0 Pro

Botnet

RemoteHost

C2

185.217.1.142:3337

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    3

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    true

  • 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-VBI2IL

  • 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

Targets

    • Target

      ba31aec6944cb10bc7fc3c2c684f430a1e94177e91a10a9be63d70e52d818026.exe

    • Size

      1.1MB

    • MD5

      f87cce0689a2fb5cbdd6354280f03135

    • SHA1

      bd07a1e9158f517053df7b2ee7aa915253c63672

    • SHA256

      ba31aec6944cb10bc7fc3c2c684f430a1e94177e91a10a9be63d70e52d818026

    • SHA512

      17329131f18019f8d6012d13a352ec867bbfcc705b0951ac411b51f2de0a2b17ec5e851d40baa4e053b3ef139af3709378d50e2ea92bc16aedc01cbc4874393b

    • SSDEEP

      24576:1u6J33O0c+JY5UZ+XC0kGso6FakCsU4yYhK3x9uZ3WYb:Xu0c++OCvkGs9Fak4BYb

    • Modifies WinLogon for persistence

    • Remcos

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

    • Remcos family

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Modifies WinLogon

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks