General

  • Target

    0ce9986f40ca48cd895f2cc83cd61ecf.exe

  • Size

    420KB

  • Sample

    240103-slhpxafefp

  • MD5

    0ce9986f40ca48cd895f2cc83cd61ecf

  • SHA1

    771f17bbe3f77ba801f8b87d88e5e5f13c5dd56c

  • SHA256

    072aefc1a185ec483b10dfee719aa437c9c0c0772bb05dee0ff8303f107ca2c4

  • SHA512

    ab4db9572aaf76497545bfd612ad1cf6eb62ac1c054e82bbd3539ef551aa5d460f8cc248584ccd7d19d2e8553185be01db5cd6b0ef6ce83499f6f4dce3582e22

  • SSDEEP

    6144:i9g5p/aJJL7XJAnY7jioSgBK0Ru115xTcYeEknZJJAVAe+:igUJHX+nOjhBq1j2AWt

Malware Config

Extracted

Family

remcos

Version

2.5.0 Pro

Botnet

Buddy

C2

eastsidepapi.myq-see.com:6996

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Buddy.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Buddy-PVO134

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Buddy

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    wikipedia;solitaire;

Extracted

Family

remcos

Botnet

Buddy

C2

eastsidepapi.myq-see.com:6996

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Buddy.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Buddy-PVO134

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Buddy

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    wikipedia;solitaire;

Targets

    • Target

      0ce9986f40ca48cd895f2cc83cd61ecf.exe

    • Size

      420KB

    • MD5

      0ce9986f40ca48cd895f2cc83cd61ecf

    • SHA1

      771f17bbe3f77ba801f8b87d88e5e5f13c5dd56c

    • SHA256

      072aefc1a185ec483b10dfee719aa437c9c0c0772bb05dee0ff8303f107ca2c4

    • SHA512

      ab4db9572aaf76497545bfd612ad1cf6eb62ac1c054e82bbd3539ef551aa5d460f8cc248584ccd7d19d2e8553185be01db5cd6b0ef6ce83499f6f4dce3582e22

    • SSDEEP

      6144:i9g5p/aJJL7XJAnY7jioSgBK0Ru115xTcYeEknZJJAVAe+:igUJHX+nOjhBq1j2AWt

    • Remcos

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Tasks