Overview

overview

10

Static

static

1

5b1bc81d05...f40.js

windows7-x64

10

5b1bc81d05...f40.js

windows10-2004-x64

10

Sharing

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General

  • Target

    5b1bc81d05d8ac98a96d1618f7490df26c510d92ec634d053383e709a7a63f40.js

  • Size

    1.6MB

  • Sample

    250208-d14tcssngx

  • MD5

    febc7ae6375b6c45e66c96139c706d0e

  • SHA1

    f476aded1b163a0f469ac66c9ef59c6dded46e3b

  • SHA256

    5b1bc81d05d8ac98a96d1618f7490df26c510d92ec634d053383e709a7a63f40

  • SHA512

    b700ca2d7940eb7f17d3d73e8982aaa358b7849be3b3a75ff4e8cded3ee5d035981f27ff52bb9f7f6deccbd12fbc0c409fd2291c5aec32da79378e5d7cd6f24b

  • SSDEEP

    24576:Gv0NIoV5OAYtNM3CNlqcxWUQfV1Sw2uRv49EVk+Er793pIbGF+I4IXz+VRxAUY6W:aFvEUQfchSO3+TRx/Q

Score
10/10
remcosstopdiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

STOP

C2

novermber12.duckdns.org:65320

Novermber12.freeddns.org:65320

Novermber12.freeddns.org/novermber12.duckdns.org:65320
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-2SJINH

  • 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

      5b1bc81d05d8ac98a96d1618f7490df26c510d92ec634d053383e709a7a63f40.js

    • Size

      1.6MB

    • MD5

      febc7ae6375b6c45e66c96139c706d0e

    • SHA1

      f476aded1b163a0f469ac66c9ef59c6dded46e3b

    • SHA256

      5b1bc81d05d8ac98a96d1618f7490df26c510d92ec634d053383e709a7a63f40

    • SHA512

      b700ca2d7940eb7f17d3d73e8982aaa358b7849be3b3a75ff4e8cded3ee5d035981f27ff52bb9f7f6deccbd12fbc0c409fd2291c5aec32da79378e5d7cd6f24b

    • SSDEEP

      24576:Gv0NIoV5OAYtNM3CNlqcxWUQfV1Sw2uRv49EVk+Er793pIbGF+I4IXz+VRxAUY6W:aFvEUQfchSO3+TRx/Q

    Score
    10/10
    remcosstopdiscoveryexecutionpersistencerat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Downloads MZ/PE file

    • 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks