General

  • Target

    8b77ba87bde3dc0cf8ff2a97118b165671656a463e5da9ac333dae5c2d9b746e

  • Size

    714KB

  • Sample

    241115-w1e44szarl

  • MD5

    41b154307b8b86f0729b841a85c716ac

  • SHA1

    79631be673684ced067208598661e83b21707839

  • SHA256

    8b77ba87bde3dc0cf8ff2a97118b165671656a463e5da9ac333dae5c2d9b746e

  • SHA512

    e0fc135f0d15e8a5f3d091d0769f549b1aebfa9b50e933dbb694fd550284d9f38a936592cf904ecd2ab5960b8334ade26f541032d6c1fc5a8a67d88297b4216b

  • SSDEEP

    12288:/rUUnJiP5soLo6WmwtnFXiPp6ru0kzYzmNXiozbCj4Hd7R7ikdTjCExVqYUvwlz:jnJ+soLhWP9LUYzmNyUCjwXdTj7M4lz

Malware Config

Extracted

Family

remcos

Botnet

ReBorn

C2

gerfourt99lahjou2.duckdns.org:3487

gerfourt99lahjou2.duckdns.org:3488

gerfourt99lahjou3.duckdns.org:3487

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

    true

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    ksaourts.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    ksajoutr-WG0CPT

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      8b77ba87bde3dc0cf8ff2a97118b165671656a463e5da9ac333dae5c2d9b746e

    • Size

      714KB

    • MD5

      41b154307b8b86f0729b841a85c716ac

    • SHA1

      79631be673684ced067208598661e83b21707839

    • SHA256

      8b77ba87bde3dc0cf8ff2a97118b165671656a463e5da9ac333dae5c2d9b746e

    • SHA512

      e0fc135f0d15e8a5f3d091d0769f549b1aebfa9b50e933dbb694fd550284d9f38a936592cf904ecd2ab5960b8334ade26f541032d6c1fc5a8a67d88297b4216b

    • SSDEEP

      12288:/rUUnJiP5soLo6WmwtnFXiPp6ru0kzYzmNXiozbCj4Hd7R7ikdTjCExVqYUvwlz:jnJ+soLhWP9LUYzmNyUCjwXdTj7M4lz

    • Remcos

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

    • Remcos family

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      9625d5b1754bc4ff29281d415d27a0fd

    • SHA1

      80e85afc5cccd4c0a3775edbb90595a1a59f5ce0

    • SHA256

      c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448

    • SHA512

      dce52b640897c2e8dbfd0a1472d5377fa91fb9cf1aeff62604d014bccbe5b56af1378f173132abeb0edd18c225b9f8f5e3d3e72434aed946661e036c779f165b

    • SSDEEP

      192:eX24sihno00Wfl97nH6BenXwWobpWBTtvShJ5omi7dJWjOlqSlS:D8QIl972eXqlWBFSt273YOlqz

    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks