Overview

overview

10

Static

static

5

csrss.exe

windows7-x64

7

csrss.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    csrss.exe

  • Size

    1.2MB

  • Sample

    240829-mp2z3aygrq

  • MD5

    354b34a3694e2b4d54ba3bca624aa3c3

  • SHA1

    660ee183f7f7a17eace0556c8883a2c361424cb0

  • SHA256

    52e5414e2e8aabecfc1c38926a3d863e1ee26bef5dc8453fc0568d9f263cf384

  • SHA512

    f78bbbd45ee9dc147394f79c0aed2c8104c42116b72c653586ac0855d0c075e3b17571bc62e33ba055bcc91197f6e2a491e97ad35eab8f425bbf713a5e0b5870

  • SSDEEP

    24576:+tb20pkaCqT5TBWgNQ7aLHWD2rmiOWlcIqDBZLAkxy06A:rVg5tQ7aLHWDd/B9A65

Score
10/10
remcosremotehostdiscoveryrat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

spacesave.duckdns.org:14645

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-RLABK3

  • 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

      csrss.exe

    • Size

      1.2MB

    • MD5

      354b34a3694e2b4d54ba3bca624aa3c3

    • SHA1

      660ee183f7f7a17eace0556c8883a2c361424cb0

    • SHA256

      52e5414e2e8aabecfc1c38926a3d863e1ee26bef5dc8453fc0568d9f263cf384

    • SHA512

      f78bbbd45ee9dc147394f79c0aed2c8104c42116b72c653586ac0855d0c075e3b17571bc62e33ba055bcc91197f6e2a491e97ad35eab8f425bbf713a5e0b5870

    • SSDEEP

      24576:+tb20pkaCqT5TBWgNQ7aLHWD2rmiOWlcIqDBZLAkxy06A:rVg5tQ7aLHWDd/B9A65

    Score
    10/10
    discoveryremcosremotehostrat

    • Remcos

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

      ratremcos

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks