Overview

overview

10

Static

static

1

yak.cmd

windows7-x64

10

yak.cmd

windows10-2004-x64

10

Sharing

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General

  • Target

    yak.cmd

  • Size

    3.2MB

  • Sample

    240516-sjfsjaac5x

  • MD5

    f09fcd4720339bb3092fe8b0e0c9f631

  • SHA1

    56afd26c5a724a87ce8d3648213a6ff2adcc10a9

  • SHA256

    ef227a4256686de1fd81f9494ad29f25c698ba837c1781014537374cc333f022

  • SHA512

    6304df118b808c2334248c14184cfad98a0ccb3931cb7876c718f328af5093c65c8b71e10ae73fc8b8dd8868ffe73c4e6ca1e2f327cb85cf5c385accc6aadcdd

  • SSDEEP

    24576:rSyi8cqIjNCrvFt5YjM8JfKlt/6azwC2ig407jFudT1omd4pig5j+RCNJXCP+pp:rSyTn2g51/6Zigt74omdu3p

Score
10/10
remcosremotehostpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

myumysmeetr.ddns.net:2404

mysweeterbk.ddns.net:2404

meetre1ms.freeddns.org:2404

bbhmeetre1ms.freeddns.org:2404
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-TPT9X3

  • 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

      yak.cmd

    • Size

      3.2MB

    • MD5

      f09fcd4720339bb3092fe8b0e0c9f631

    • SHA1

      56afd26c5a724a87ce8d3648213a6ff2adcc10a9

    • SHA256

      ef227a4256686de1fd81f9494ad29f25c698ba837c1781014537374cc333f022

    • SHA512

      6304df118b808c2334248c14184cfad98a0ccb3931cb7876c718f328af5093c65c8b71e10ae73fc8b8dd8868ffe73c4e6ca1e2f327cb85cf5c385accc6aadcdd

    • SSDEEP

      24576:rSyi8cqIjNCrvFt5YjM8JfKlt/6azwC2ig407jFudT1omd4pig5j+RCNJXCP+pp:rSyTn2g51/6Zigt74omdu3p

    Score
    10/10
    remcosremotehostpersistencerat

    • Remcos

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

      ratremcos

    • 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

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks