General

  • Target

    7fce076ae6458c561dcb1e5cd6a1de47aa114d5758dc791f0a94402ac4a9f2ee.exe

  • Size

    455KB

  • Sample

    241204-db3j1atlbr

  • MD5

    60e18d4606431a33c406c1ad21ddc4e2

  • SHA1

    f8e773f104fcfd6df48ee21591ce8890fd8942c5

  • SHA256

    7fce076ae6458c561dcb1e5cd6a1de47aa114d5758dc791f0a94402ac4a9f2ee

  • SHA512

    00c74a249be8ac164be201161aceb35e272f007e65ea6d740043ba89a55a69b7a01283d50fd446e774df05f869d9d6418f8d82fff5422133a36bebc2f8faf22e

  • SSDEEP

    6144:sPm7KDoBlJL4vhsEAC7rWzLKmVn4RIM0EeNXWizh/Kkc6k4qHVWO1XO/gvJ/j:IELksjq0KmFbEeJN1Kkc6xqHVlVj

Malware Config

Extracted

Family

remcos

Botnet

Yavakosa

C2

198.23.227.212:32583

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    yava_vd.exe

  • copy_folder

    yava

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-D7NPY6

  • 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

      7fce076ae6458c561dcb1e5cd6a1de47aa114d5758dc791f0a94402ac4a9f2ee.exe

    • Size

      455KB

    • MD5

      60e18d4606431a33c406c1ad21ddc4e2

    • SHA1

      f8e773f104fcfd6df48ee21591ce8890fd8942c5

    • SHA256

      7fce076ae6458c561dcb1e5cd6a1de47aa114d5758dc791f0a94402ac4a9f2ee

    • SHA512

      00c74a249be8ac164be201161aceb35e272f007e65ea6d740043ba89a55a69b7a01283d50fd446e774df05f869d9d6418f8d82fff5422133a36bebc2f8faf22e

    • SSDEEP

      6144:sPm7KDoBlJL4vhsEAC7rWzLKmVn4RIM0EeNXWizh/Kkc6k4qHVWO1XO/gvJ/j:IELksjq0KmFbEeJN1Kkc6xqHVlVj

    • Remcos

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

    • Remcos family

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks