General

  • Target

    8650dcaece1489d98b7f6782ae638de33797f2a1018f949ec270054f0893aea0

  • Size

    6KB

  • Sample

    230202-h3w9hshc8s

  • MD5

    48a13c217c965ed66e5d6c018b89217b

  • SHA1

    2d8b62d02c73e7e2fc367fc64b51350564c7acb4

  • SHA256

    8650dcaece1489d98b7f6782ae638de33797f2a1018f949ec270054f0893aea0

  • SHA512

    b0e5556ad36a74ddfbbbfcd94f04635a614bc70d159aaab8fb540ecd0d823e14c2ed8687b95943cd992b434c37c9bfaa04db79c62f9d654b85616f45d275802a

  • SSDEEP

    96:4rs7rOMGPGDupbGL7g8y23I6mUUWH78kVl6l2xzNt:oKrsPGDupKL7nNhVlk2T

Malware Config

Extracted

Family

purecrypter

C2

https://onedrive.live.com/download?cid=A113DD34A0D77810&resid=A113DD34A0D77810%21121&authkey=APUVM8ZXD6Jpjd0

Extracted

Family

remcos

Botnet

RemoteHost

C2

top.thekillforabuse1.xyz:1068

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-R762FE

  • 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

      8650dcaece1489d98b7f6782ae638de33797f2a1018f949ec270054f0893aea0

    • Size

      6KB

    • MD5

      48a13c217c965ed66e5d6c018b89217b

    • SHA1

      2d8b62d02c73e7e2fc367fc64b51350564c7acb4

    • SHA256

      8650dcaece1489d98b7f6782ae638de33797f2a1018f949ec270054f0893aea0

    • SHA512

      b0e5556ad36a74ddfbbbfcd94f04635a614bc70d159aaab8fb540ecd0d823e14c2ed8687b95943cd992b434c37c9bfaa04db79c62f9d654b85616f45d275802a

    • SSDEEP

      96:4rs7rOMGPGDupbGL7g8y23I6mUUWH78kVl6l2xzNt:oKrsPGDupKL7nNhVlk2T

    • PureCrypter

      PureCrypter is a .NET malware loader first seen in early 2021.

    • Remcos

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

    • Checks computer location settings

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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix

Collection

    Command and Control

      Credential Access

        Defense Evasion

        Execution

          Exfiltration

            Impact

              Initial Access

                Lateral Movement

                  Privilege Escalation

                    Tasks