General

  • Target

    eb4172617d34c01a45390b880499b0c1eef52a466852241e5a2db92b660a5f41N

  • Size

    2.5MB

  • Sample

    240927-fctdtsyelf

  • MD5

    1627304a7d3f6859001efebde8c08220

  • SHA1

    99d184f60f258ffaf6b64dc87e1c13b70d227009

  • SHA256

    eb4172617d34c01a45390b880499b0c1eef52a466852241e5a2db92b660a5f41

  • SHA512

    59704afd589bd797a07296a00639f8244d9bc7bcd071e6a0368aebb309cb8a6c3a270ed2e966945c5dc36819c61394dda204338cb2e814d770a502ab92aa6355

  • SSDEEP

    24576:4u14cbiD+YsyBvUmrUeZ4nXksgBMVqYyFU:4udiD8mgemnXksgBMV0C

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:47666

iamblessed.duckdns.org:47666

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

    remcos

  • mouse_option

    false

  • mutex

    Rmc-MFNROY

  • 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

Targets

    • Target

      eb4172617d34c01a45390b880499b0c1eef52a466852241e5a2db92b660a5f41N

    • Size

      2.5MB

    • MD5

      1627304a7d3f6859001efebde8c08220

    • SHA1

      99d184f60f258ffaf6b64dc87e1c13b70d227009

    • SHA256

      eb4172617d34c01a45390b880499b0c1eef52a466852241e5a2db92b660a5f41

    • SHA512

      59704afd589bd797a07296a00639f8244d9bc7bcd071e6a0368aebb309cb8a6c3a270ed2e966945c5dc36819c61394dda204338cb2e814d770a502ab92aa6355

    • SSDEEP

      24576:4u14cbiD+YsyBvUmrUeZ4nXksgBMVqYyFU:4udiD8mgemnXksgBMV0C

    • Remcos

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

    • UAC bypass

    • Windows security bypass

    • 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.

    • Uses the VBS compiler for execution

    • Windows security modification

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks