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Overview

overview

10

Static

static

1

6ab3595931...63.exe

windows7-x64

10

6ab3595931...63.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6ab35959318ed1819169c9bbd1c523ebee0d2437a14af26a0f62c50605bbde63

  • Size

    927KB

  • Sample

    250322-ytqclszsav

  • MD5

    e132f4cc1c00143d6ac3c286633f98b4

  • SHA1

    5a9b94e55ed75f01b1b0c09027a4bd16cf40daff

  • SHA256

    6ab35959318ed1819169c9bbd1c523ebee0d2437a14af26a0f62c50605bbde63

  • SHA512

    de76b359a535deae1d18f438b97fa8d53cbc13d6db7e7b22709707a7767dad0859139957f4b6733a4c195a04eceb920ae425f24cdb09ce097ba920467a43dc32

  • SSDEEP

    12288:vp+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRzwAY3AE:vpugRNJI1D39dlfGQrFUxwAeAE

Score
10/10
remcoshostdiscoverypersistenceratspywarestealer

Malware Config

Extracted

Family

remcos

Botnet

Host

C2

213.183.58.19:4000

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    read.dat

  • keylog_flag

    false

  • keylog_folder

    CastC

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_sccafsoidz

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

213.183.58.19:4000

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    read.dat

  • keylog_flag

    false

  • keylog_folder

    CastC

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_sccafsoidz

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      6ab35959318ed1819169c9bbd1c523ebee0d2437a14af26a0f62c50605bbde63

    • Size

      927KB

    • MD5

      e132f4cc1c00143d6ac3c286633f98b4

    • SHA1

      5a9b94e55ed75f01b1b0c09027a4bd16cf40daff

    • SHA256

      6ab35959318ed1819169c9bbd1c523ebee0d2437a14af26a0f62c50605bbde63

    • SHA512

      de76b359a535deae1d18f438b97fa8d53cbc13d6db7e7b22709707a7767dad0859139957f4b6733a4c195a04eceb920ae425f24cdb09ce097ba920467a43dc32

    • SSDEEP

      12288:vp+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRzwAY3AE:vpugRNJI1D39dlfGQrFUxwAeAE

    Score
    10/10
    remcoshostdiscoverypersistenceratspywarestealer

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks