General

  • Target

    ac9b3940156f969f14c8fef3a5045a78a73b01688f26c4382b1a9d33d56b1d88N

  • Size

    2.2MB

  • Sample

    241009-pgfszaydrh

  • MD5

    2ba978739de23b8c1502b939ee968f80

  • SHA1

    02d2c80bb2ab4fe45e4a5740b8b6d648595d84d5

  • SHA256

    ac9b3940156f969f14c8fef3a5045a78a73b01688f26c4382b1a9d33d56b1d88

  • SHA512

    b3e6eca7351571838fe6ba46c73552836972b9fd1d9313164a79b5540db7bbdcd80345ae4f8e0ac341a2012240267e78d021f953c09c8840ffe01e1d7bfe8169

  • SSDEEP

    24576:HD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4avnXJJjRHc:Hp7E+QrFUBgq2SnJc

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

213.183.58.19:4000

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • 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

    read.dat

  • keylog_flag

    false

  • keylog_folder

    CastC

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_sccafsoidz

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      ac9b3940156f969f14c8fef3a5045a78a73b01688f26c4382b1a9d33d56b1d88N

    • Size

      2.2MB

    • MD5

      2ba978739de23b8c1502b939ee968f80

    • SHA1

      02d2c80bb2ab4fe45e4a5740b8b6d648595d84d5

    • SHA256

      ac9b3940156f969f14c8fef3a5045a78a73b01688f26c4382b1a9d33d56b1d88

    • SHA512

      b3e6eca7351571838fe6ba46c73552836972b9fd1d9313164a79b5540db7bbdcd80345ae4f8e0ac341a2012240267e78d021f953c09c8840ffe01e1d7bfe8169

    • SSDEEP

      24576:HD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4avnXJJjRHc:Hp7E+QrFUBgq2SnJc

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks