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Overview

overview

10

Static

static

1

8d018e469d...37.exe

windows7-x64

10

8d018e469d...37.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8d018e469dc08f122778df18cacf04ac51fd4a623b93541074015e0d8c783537

  • Size

    1.7MB

  • Sample

    250323-y5qshsxr14

  • MD5

    4a7683ec3cc6ac96d234cc25c26a3e50

  • SHA1

    5e8d5d1c9f23cc54dd0b33f7c89271756d452def

  • SHA256

    8d018e469dc08f122778df18cacf04ac51fd4a623b93541074015e0d8c783537

  • SHA512

    9d48e90046ffbfb3271a6351de061db6fbc32781e235b74c0d02ed4e282bbecc4eeefe673e5a59c538c502483356e262df08e12f25423ca11544ec502a99f1a1

  • SSDEEP

    24576:2D39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjomyr:2p7E+QrFUBgq2vyr

Score
10/10
remcoshostdiscoverypersistenceratspywarestealer

Malware Config

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

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

Targets

    • Target

      8d018e469dc08f122778df18cacf04ac51fd4a623b93541074015e0d8c783537

    • Size

      1.7MB

    • MD5

      4a7683ec3cc6ac96d234cc25c26a3e50

    • SHA1

      5e8d5d1c9f23cc54dd0b33f7c89271756d452def

    • SHA256

      8d018e469dc08f122778df18cacf04ac51fd4a623b93541074015e0d8c783537

    • SHA512

      9d48e90046ffbfb3271a6351de061db6fbc32781e235b74c0d02ed4e282bbecc4eeefe673e5a59c538c502483356e262df08e12f25423ca11544ec502a99f1a1

    • SSDEEP

      24576:2D39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjomyr:2p7E+QrFUBgq2vyr

    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