General

  • Target

    ac56ec5a81bca833585ad1c052dc5614936523763c87ade64f519b23a4f0b24a.exe

  • Size

    854KB

  • Sample

    241206-dl218axlc1

  • MD5

    a0602bf02ae7766b58bffd108f148b7b

  • SHA1

    65b1ea618e93e70049d395401352fa06c85ffa38

  • SHA256

    ac56ec5a81bca833585ad1c052dc5614936523763c87ade64f519b23a4f0b24a

  • SHA512

    27a6ef4322db17ab64acc78b946f14400cda55b1e800d674dd3a47fe89521e227d31f41df00ada3336c82a34bf1b023a2710aa9b4836ea64877c0d866accb00c

  • SSDEEP

    12288:DvUSmi/ScuxtPoeptfKh74Us0kJMxghMDXP4Faaxttoeq8:DXmi/SLxtJnyE0cMxrLEawtKet

Malware Config

Extracted

Family

remcos

Botnet

8846455

C2

windowsoctarem.duckdns.org:56892

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

    4765-HH3V0S

  • 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

      ac56ec5a81bca833585ad1c052dc5614936523763c87ade64f519b23a4f0b24a.exe

    • Size

      854KB

    • MD5

      a0602bf02ae7766b58bffd108f148b7b

    • SHA1

      65b1ea618e93e70049d395401352fa06c85ffa38

    • SHA256

      ac56ec5a81bca833585ad1c052dc5614936523763c87ade64f519b23a4f0b24a

    • SHA512

      27a6ef4322db17ab64acc78b946f14400cda55b1e800d674dd3a47fe89521e227d31f41df00ada3336c82a34bf1b023a2710aa9b4836ea64877c0d866accb00c

    • SSDEEP

      12288:DvUSmi/ScuxtPoeptfKh74Us0kJMxghMDXP4Faaxttoeq8:DXmi/SLxtJnyE0cMxrLEawtKet

    • Remcos

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

    • Remcos family

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks