Overview

overview

10

Static

static

3

03fe92bf84...5e.exe

windows7-x64

7

03fe92bf84...5e.exe

windows10-2004-x64

10

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

Sharing

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General

  • Target

    03fe92bf84effb45dfb4c47da5704f0b35c3ca3b562ac2f46c1da51a8829eb5e.exe

  • Size

    506KB

  • Sample

    250109-cfgmnatjbw

  • MD5

    dd935b0e91e2e551b21296d8fa186d11

  • SHA1

    9638372c80f866bdc1b73af7971918e8ba7ab9e7

  • SHA256

    03fe92bf84effb45dfb4c47da5704f0b35c3ca3b562ac2f46c1da51a8829eb5e

  • SHA512

    fdf1ffbeb25f7e0b691c6f0127c297c804d1ecc71579fef69e7d27429902988ee84b34ce2826c49b213f96b1a47d32868ddbcd23d4954d5d80535373fb40d109

  • SSDEEP

    12288:B7MTFoKqS6k0jRWhI/L366W5Fd3IYXCNoSZFDHBa7Pqh:B7MTFoZS6kURFL66seoS3Dha7ih

Score
10/10
remcosremotehostdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

newkezfill.site: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-B0AIE8

  • 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

      03fe92bf84effb45dfb4c47da5704f0b35c3ca3b562ac2f46c1da51a8829eb5e.exe

    • Size

      506KB

    • MD5

      dd935b0e91e2e551b21296d8fa186d11

    • SHA1

      9638372c80f866bdc1b73af7971918e8ba7ab9e7

    • SHA256

      03fe92bf84effb45dfb4c47da5704f0b35c3ca3b562ac2f46c1da51a8829eb5e

    • SHA512

      fdf1ffbeb25f7e0b691c6f0127c297c804d1ecc71579fef69e7d27429902988ee84b34ce2826c49b213f96b1a47d32868ddbcd23d4954d5d80535373fb40d109

    • SSDEEP

      12288:B7MTFoKqS6k0jRWhI/L366W5Fd3IYXCNoSZFDHBa7Pqh:B7MTFoZS6kURFL66seoS3Dha7ih

    Score
    10/10
    discoveryremcosremotehostpersistencerat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

    • Target

      $PLUGINSDIR/System.dll

    • Size

      12KB

    • MD5

      0d7ad4f45dc6f5aa87f606d0331c6901

    • SHA1

      48df0911f0484cbe2a8cdd5362140b63c41ee457

    • SHA256

      3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

    • SHA512

      c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

    • SSDEEP

      192:1enY0LWelt70elWjvfstJcVtwtYbjnIOg5AaDnbC7ypXhtIj:18PJlt70esj0Mt9vn6ay6

    Score
    3/10
    discovery
    behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Tasks