General

  • Target

    3c7c6549059af5d671ac3983229379f80317aedc16f26df26ffdcaef690ed8beN.exe

  • Size

    1.1MB

  • Sample

    250120-zswcxaypes

  • MD5

    c7002dff8ab72160f55309c99a5b9910

  • SHA1

    5b0330f3c2e674d880d8c0f5f298d2394ba9446b

  • SHA256

    3c7c6549059af5d671ac3983229379f80317aedc16f26df26ffdcaef690ed8be

  • SHA512

    c1d4d8ca4d281978b7e815ff13225419be541d5cb19f5887e07d9a9ec12d309d9d8c564e8f546225743bc6eaede675fadca66cdc9b595215defe0e3e4a4a2a37

  • SSDEEP

    24576:1u6J33O0c+JY5UZ+XC0kGso6FakCsU4yYhK3x9uZ3WYi:Xu0c++OCvkGs9Fak4BYi

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

      3c7c6549059af5d671ac3983229379f80317aedc16f26df26ffdcaef690ed8beN.exe

    • Size

      1.1MB

    • MD5

      c7002dff8ab72160f55309c99a5b9910

    • SHA1

      5b0330f3c2e674d880d8c0f5f298d2394ba9446b

    • SHA256

      3c7c6549059af5d671ac3983229379f80317aedc16f26df26ffdcaef690ed8be

    • SHA512

      c1d4d8ca4d281978b7e815ff13225419be541d5cb19f5887e07d9a9ec12d309d9d8c564e8f546225743bc6eaede675fadca66cdc9b595215defe0e3e4a4a2a37

    • SSDEEP

      24576:1u6J33O0c+JY5UZ+XC0kGso6FakCsU4yYhK3x9uZ3WYi:Xu0c++OCvkGs9Fak4BYi

    • 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