General

  • Target

    498ff4b3681d96a03f36fab8eda190db57133c9b350c91eeb79fab68beadfe85

  • Size

    851KB

  • Sample

    240909-x1vegavfpj

  • MD5

    870b5d039719c3707c4e4166f907c81f

  • SHA1

    3e06c952ca2604746f3d41952e828c72070f909b

  • SHA256

    498ff4b3681d96a03f36fab8eda190db57133c9b350c91eeb79fab68beadfe85

  • SHA512

    a44d8c5271a6baaf9d313440e86a6098cdab9c6df474c9f01a2dadf0f24ed1f10bf4e4ba607ced770a75bf0bac2bba937e8a7591ebf502dfadcd0d89a33cf2da

  • SSDEEP

    12288:6Cmr1BZRZtvZH5SGF+fzJNzXf/AuQDQTp+oKSGmcrBUP695DluWiW3MRYRPyn6p1:gBHd5SGFojXfYdtdSGm8BLPIpePkE1

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

103.186.116.111:4440

google-com-site-backup.duckdns.org:4440

103.186.116.111:5656

codingoffensive.duckdns.org:5656

Attributes
  • audio_folder

    MicRecords

  • 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

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    ssl

  • mouse_option

    false

  • mutex

    Rmc-XHK5L2

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      Deposit 47800 USD.png.pif

    • Size

      903KB

    • MD5

      ede0315b2253c133fb9fb6c32c1b4d24

    • SHA1

      4c11d887e2fa02dd967a4a723f1b92253d738411

    • SHA256

      c4e002e24dc01a9ec412049b3ee298bf7ede32caf604a7a0cf61711d9d3f2bd7

    • SHA512

      a1e105987b844947c448b3b08228368464daa160810fd9cd3100bede7dead786308c6f4da20e21203726795e1b2f21762339b42304a2ee91f417799e4555cb0d

    • SSDEEP

      12288:mznnX1BNRZ9v1H5SutQJ9NNzRF/AIyDQTt+C6UUmcPBUDoD5zluKiS59GmMi1s6X:+BfR5SutmXRFY9rJUUm+BPV4CRTkE

    • Remcos

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks