General

  • Target

    hesaphareketi-01.PDF.exe

  • Size

    500KB

  • Sample

    230322-tbmrjshg39

  • MD5

    826532ae78986d3b52639e72b1ac0e01

  • SHA1

    bf5d6199c99e22e947595687af9b89954e2a6e37

  • SHA256

    31e81d4201fec97127d8f8deffb64c25a76825d6c68fab083775e7197baa0956

  • SHA512

    a1c8899bc1edd4587571130ea382b93adaa0bcc02f92a122a7e60343cc70aaf119a5d9c3a47baa5ae526dd12b69c451de42781ddd894876a80ca22b505f9397b

  • SSDEEP

    12288:JYkYar2AbX18zFRBXKz6u1pSpGLyfeXLl3UU70:JYkYYi5K6u1pmEkeXLhA

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

ennenbach.duckdns.org:5800

Attributes
  • audio_folder

    MicRecords

  • 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

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-LDLQM0

  • 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

      hesaphareketi-01.PDF.exe

    • Size

      500KB

    • MD5

      826532ae78986d3b52639e72b1ac0e01

    • SHA1

      bf5d6199c99e22e947595687af9b89954e2a6e37

    • SHA256

      31e81d4201fec97127d8f8deffb64c25a76825d6c68fab083775e7197baa0956

    • SHA512

      a1c8899bc1edd4587571130ea382b93adaa0bcc02f92a122a7e60343cc70aaf119a5d9c3a47baa5ae526dd12b69c451de42781ddd894876a80ca22b505f9397b

    • SSDEEP

      12288:JYkYar2AbX18zFRBXKz6u1pSpGLyfeXLl3UU70:JYkYYi5K6u1pmEkeXLhA

    • Remcos

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks