General

  • Target

    b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244.exe

  • Size

    1.1MB

  • Sample

    240814-qzkejsvfpa

  • MD5

    feefffb2f85e6449769501809c3da84c

  • SHA1

    e8841eb6afd72c1487ec5323a5bc4f37bfae0dcf

  • SHA256

    b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244

  • SHA512

    83a4c56f10148660c5c528f1b637dc40ffd1337a87be2f50161813c9d36641a48cf7babf8d0dfea2414f38da43a95529c8fe00e8c135243b380ea518496e9457

  • SSDEEP

    24576:hNDsYdZxwZQSkazcndb4MeFCu5+eADOWWiKDZbD0E+ou3x9+rreMoB:7teZExndpegSgLk/0E+h3L+rW

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

65.21.66.222:9821

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-LDQ8V0

  • 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

      b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244.exe

    • Size

      1.1MB

    • MD5

      feefffb2f85e6449769501809c3da84c

    • SHA1

      e8841eb6afd72c1487ec5323a5bc4f37bfae0dcf

    • SHA256

      b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244

    • SHA512

      83a4c56f10148660c5c528f1b637dc40ffd1337a87be2f50161813c9d36641a48cf7babf8d0dfea2414f38da43a95529c8fe00e8c135243b380ea518496e9457

    • SSDEEP

      24576:hNDsYdZxwZQSkazcndb4MeFCu5+eADOWWiKDZbD0E+ou3x9+rreMoB:7teZExndpegSgLk/0E+h3L+rW

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks