General

  • Target

    ff044509cd6eba3681d1f548574b5d7a_JaffaCakes118

  • Size

    420KB

  • Sample

    240421-lxp5ssgc98

  • MD5

    ff044509cd6eba3681d1f548574b5d7a

  • SHA1

    d83b30d4bf145fcf8053e190ab9a0af0577d4cee

  • SHA256

    e897d756722140b424ac02aab14733d05074d5c40f019c6420bc2689dccd6915

  • SHA512

    ae1bdc80b0cb1be8261a36fd194620b7efd6c391b508f05d5351c9a0b620f3066342ba4a6543821ed9adbb742a29936b925036f321993c3dde151a08cc5af7e0

  • SSDEEP

    6144:d9g5p/aJJL7XJAnY7jioSgBK0Ru115xTcYeEknZJJAVAe3:dgUJHX+nOjhBq1j2AWE

Malware Config

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;

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;

Targets

    • Target

      ff044509cd6eba3681d1f548574b5d7a_JaffaCakes118

    • Size

      420KB

    • MD5

      ff044509cd6eba3681d1f548574b5d7a

    • SHA1

      d83b30d4bf145fcf8053e190ab9a0af0577d4cee

    • SHA256

      e897d756722140b424ac02aab14733d05074d5c40f019c6420bc2689dccd6915

    • SHA512

      ae1bdc80b0cb1be8261a36fd194620b7efd6c391b508f05d5351c9a0b620f3066342ba4a6543821ed9adbb742a29936b925036f321993c3dde151a08cc5af7e0

    • SSDEEP

      6144:d9g5p/aJJL7XJAnY7jioSgBK0Ru115xTcYeEknZJJAVAe3:dgUJHX+nOjhBq1j2AWE

    • 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