Overview

overview

10

Static

static

1

Payroll fo...DF.bat

windows7-x64

7

Payroll fo...DF.bat

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    e59e66a0212320182715dc9aa7790b00.bin
  • Size 1.3MB
  • Sample240729-efkenawend
  • SHA256 d9ec6827066afb3585d4c9387120f8fbba598ea3a2d23fda4350684f62f0caa2
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
remcosremotehostcollectioncredential_accessdiscoverypersistenceratstealer

Malware Config

Extracted

Family

  • remcos

Botnet

  • RemoteHost

C2

  • 127.0.0.1:54888

  • zuesremmy.duckdns.org:54888

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-Z19JY9

  • 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
      Payroll for July.PDF.bat
    • Size 4.9MB
    • SHA256 68711195c07e287987488f7045c7147501ccfbae22318b8460d01a86d2f09599
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    discoverypersistenceremcosremotehostcollectioncredential_accessratstealer

    • Remcos

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

      ratremcos

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

      credential_accessstealer

    • 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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Accesses Microsoft Outlook accounts

      collection

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks