General

  • Target

    e6f613141f103596ab5347f23d816ab3_JaffaCakes118

  • Size

    478KB

  • Sample

    240917-q527jswglk

  • MD5

    e6f613141f103596ab5347f23d816ab3

  • SHA1

    44a27e3b48a644d67b184c755a4038708a3bda02

  • SHA256

    a16aadc16fa7b3e1d90470f3780e9b4e71a0eab9862a92cf0fa9de1a20076576

  • SHA512

    e3e168946b74b0e273e8459e23ad16cee648b6c9c5c832541b6eef699c9a22fb5575acc971dc01397b167a798338ef6fa56aea4523ad08473bc6c184ec634bd0

  • SSDEEP

    6144:jkadKG+Emf0341hM72QsbZ6eU1pY/k4XonOf3Qc5H0:jkNEmf03uhMRst6erwOfd5U

Malware Config

Extracted

Family

remcos

Botnet

ZEUS

C2

top.multigamingjo.waw.pl:3090

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    ZEUS-0LFWTS

  • 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

  • take_screenshot_title

    wikipedia;solitaire;

Extracted

Family

remcos

Version

2.4.7 Pro

Botnet

ZEUS

C2

top.multigamingjo.waw.pl:3090

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    ZEUS-0LFWTS

  • 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

  • take_screenshot_title

    wikipedia;solitaire;

Targets

    • Target

      e6f613141f103596ab5347f23d816ab3_JaffaCakes118

    • Size

      478KB

    • MD5

      e6f613141f103596ab5347f23d816ab3

    • SHA1

      44a27e3b48a644d67b184c755a4038708a3bda02

    • SHA256

      a16aadc16fa7b3e1d90470f3780e9b4e71a0eab9862a92cf0fa9de1a20076576

    • SHA512

      e3e168946b74b0e273e8459e23ad16cee648b6c9c5c832541b6eef699c9a22fb5575acc971dc01397b167a798338ef6fa56aea4523ad08473bc6c184ec634bd0

    • SSDEEP

      6144:jkadKG+Emf0341hM72QsbZ6eU1pY/k4XonOf3Qc5H0:jkNEmf03uhMRst6erwOfd5U

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks