General

  • Target

    ea88f63b1c26c1aefd1804ee475478ab_JaffaCakes118

  • Size

    453KB

  • Sample

    240919-efdxwazdrr

  • MD5

    ea88f63b1c26c1aefd1804ee475478ab

  • SHA1

    526c70868c0fb9d11065d2f75f98e2c523907c92

  • SHA256

    7ad56c2211cf19c5e6cf7a25846eb21a67c59baa55644d3cd1a097cf4d734750

  • SHA512

    08df2bba1ce203baee82b5ca97a110d2d57597e8f3e2ec61c9a710e70a3752e11a9570e700716d3bb9facdf606a868871016c61ab6d5b4e04d79bcd0329e3bd3

  • SSDEEP

    12288:/xd8PIcO+kOmZ2xd8PIcO+kOmZ9QVBQTBK8Yuv7J+:PMk+kbUMk+kbqVBSw8PJ+

Malware Config

Extracted

Family

remcos

Version

2.4.3 Pro

Botnet

Rich-Fam1

C2

rich-fam1.strangled.net:6628

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

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    winlogs

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    iuytfdcuytf-OV62Q3

  • 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

      ea88f63b1c26c1aefd1804ee475478ab_JaffaCakes118

    • Size

      453KB

    • MD5

      ea88f63b1c26c1aefd1804ee475478ab

    • SHA1

      526c70868c0fb9d11065d2f75f98e2c523907c92

    • SHA256

      7ad56c2211cf19c5e6cf7a25846eb21a67c59baa55644d3cd1a097cf4d734750

    • SHA512

      08df2bba1ce203baee82b5ca97a110d2d57597e8f3e2ec61c9a710e70a3752e11a9570e700716d3bb9facdf606a868871016c61ab6d5b4e04d79bcd0329e3bd3

    • SSDEEP

      12288:/xd8PIcO+kOmZ2xd8PIcO+kOmZ9QVBQTBK8Yuv7J+:PMk+kbUMk+kbqVBSw8PJ+

    • Remcos

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

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks