General

  • Target

    Q000112241 R02_October-24.ace

  • Size

    913KB

  • Sample

    241106-nr99wszemm

  • MD5

    74fe88a7fd63b06ebee5858956d0552d

  • SHA1

    e8cbccd7cc0295adf5353ea9b19ddde50dd54899

  • SHA256

    97877446157065be4f30ee241dde0ae70ed6d290e80273c818fe34d416e4eed8

  • SHA512

    ad5eba9de9babfcb3627d2c4795fc6b912504871549ea3bb2a4ea284f4dea1df7044a551b0be2014b6290f0f63cb69e9e21584e5205ead2a11ddf2015da8faa9

  • SSDEEP

    24576:qfT0YWrGpji3wzpL79cWnFqsRaOH1egKeln:q0GpO2x79cWv9KU

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

198.46.178.148:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-LAHLH8

  • 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

      Q000112241 R02_October-24.exe

    • Size

      952KB

    • MD5

      791649fc80c75181431482ddb5e77849

    • SHA1

      7a39cf21e2ac78a9add11252c09a15d40b78dfc9

    • SHA256

      f0ee4e613fe0c318e3002dced6e2e3e459a71585100290da904f5575e73a2be8

    • SHA512

      f5076979ff7dcb27f36dda641e44e585b88d06df6022cdc5ddcdfd5c33045a05cae3afb2a168e62175feb6afc45bad66b3290b8274e3f6199c2e3da705ad561e

    • SSDEEP

      24576:6qPH//2HAftGPDEsNQBjnIx2qKGAUNelKMB+:662stGPDBQB8x25GeBB+

    • 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