Overview

overview

10

Static

static

3

c62df0729a...98.exe

windows7-x64

10

c62df0729a...98.exe

windows10-2004-x64

10

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...ec.dll

windows7-x64

3

$PLUGINSDI...ec.dll

windows10-2004-x64

3

Sharing

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General

  • Target
    c62df0729acd9f8e1b3b922113242fc75a746b15d184cbbcf7a429fe4730bd98.exe
  • Size 501KB
  • Sample241008-rhvdvstglb
  • SHA256 c62df0729acd9f8e1b3b922113242fc75a746b15d184cbbcf7a429fe4730bd98
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
guloaderremcosremotehostcollectiondiscoverydownloaderpersistenceratspywarestealer

Malware Config

Extracted

Family

  • remcos

Botnet

  • RemoteHost

C2

  • newfarmn.pro: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-KB3GN4

  • 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
      c62df0729acd9f8e1b3b922113242fc75a746b15d184cbbcf7a429fe4730bd98.exe
    • Size 501KB
    • SHA256 c62df0729acd9f8e1b3b922113242fc75a746b15d184cbbcf7a429fe4730bd98
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    guloaderremcosremotehostcollectiondiscoverydownloaderpersistenceratspywarestealer

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Remcos

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

      ratremcos

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses Microsoft Outlook accounts

      collection

    • Adds Run key to start application

      persistence

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2
    • Target
      $PLUGINSDIR/System.dll
    • Size 11KB
    • SHA256 4c86b238e64ecfaabe322a70fd78db229a663ccc209920f3385596a6e3205f78
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    discovery
    behavioral3behavioral4
    • Target
      $PLUGINSDIR/nsExec.dll
    • Size 6KB
    • SHA256 482536968672d70279a5204060ff84ace25237f24b1bdf3b02e289d50ea5450c
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    discovery
    behavioral5behavioral6

MITRE ATT&CK Enterprise v15

Tasks