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Overview

overview

10

Static

static

1

938f770148...fb.exe

windows7-x64

10

938f770148...fb.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    938f7701486c58227b61647b0f34fdaab18fa981ac621d45b7101a14116501fb

  • Size

    1004KB

  • Sample

    250324-ypbcwsvwdw

  • MD5

    7b7ba5ba43ad5c8a80c3314ae5544de9

  • SHA1

    431292ede5d380f37e37d8b6a5e2cc139cf65626

  • SHA256

    938f7701486c58227b61647b0f34fdaab18fa981ac621d45b7101a14116501fb

  • SHA512

    cc51fbc4553b2461aa0355fc71093ded5c0b09c1e6266d9a762df2045943da3579b93928547efd3d4ba18352b2e70a10ce8f67d173944f16480953136e23a5b4

  • SSDEEP

    12288:hp+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRzwAY3AzCO:hpugRNJI1D39dlfGQrFUxwAeAzCO

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

      938f7701486c58227b61647b0f34fdaab18fa981ac621d45b7101a14116501fb

    • Size

      1004KB

    • MD5

      7b7ba5ba43ad5c8a80c3314ae5544de9

    • SHA1

      431292ede5d380f37e37d8b6a5e2cc139cf65626

    • SHA256

      938f7701486c58227b61647b0f34fdaab18fa981ac621d45b7101a14116501fb

    • SHA512

      cc51fbc4553b2461aa0355fc71093ded5c0b09c1e6266d9a762df2045943da3579b93928547efd3d4ba18352b2e70a10ce8f67d173944f16480953136e23a5b4

    • SSDEEP

      12288:hp+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRzwAY3AzCO:hpugRNJI1D39dlfGQrFUxwAeAzCO

    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