General

  • Target

    38052ddd9c64e44bd2631ae021c1e973bed0ddfc8be6c3b2714011647c551d53.exe

  • Size

    1.1MB

  • Sample

    250127-el59ba1lcm

  • MD5

    dd09e8863ee6d30492d5cba898538f85

  • SHA1

    700f5ce79c5fd236ecb778ab0e14dbc7df22bc55

  • SHA256

    38052ddd9c64e44bd2631ae021c1e973bed0ddfc8be6c3b2714011647c551d53

  • SHA512

    beff97a572ee4576d3ae1eda5e7692b42a0d679abf8f375a19d0df356fcb6726ba9cdfdb1359dc9a8b67a39553cea279acb29fece86f49cf5f53a3f074e87b28

  • SSDEEP

    24576:1u6J33O0c+JY5UZ+XC0kGso6FakCsU4yYhK3x9uZ3WYX:Xu0c++OCvkGs9Fak4BYX

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

      38052ddd9c64e44bd2631ae021c1e973bed0ddfc8be6c3b2714011647c551d53.exe

    • Size

      1.1MB

    • MD5

      dd09e8863ee6d30492d5cba898538f85

    • SHA1

      700f5ce79c5fd236ecb778ab0e14dbc7df22bc55

    • SHA256

      38052ddd9c64e44bd2631ae021c1e973bed0ddfc8be6c3b2714011647c551d53

    • SHA512

      beff97a572ee4576d3ae1eda5e7692b42a0d679abf8f375a19d0df356fcb6726ba9cdfdb1359dc9a8b67a39553cea279acb29fece86f49cf5f53a3f074e87b28

    • SSDEEP

      24576:1u6J33O0c+JY5UZ+XC0kGso6FakCsU4yYhK3x9uZ3WYX:Xu0c++OCvkGs9Fak4BYX

    • 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