General

  • Target

    scan_documet_027839.rar

  • Size

    6KB

  • Sample

    240906-nrkdgateqm

  • MD5

    36219c4f77fabbc875a8a77de0957d5e

  • SHA1

    dc37e9e2b3781f894f4ea1f358148a70c684b532

  • SHA256

    84dab25530ba75d9610b9b7e7f8665ba066679cb1e433d7657f9b0577e37717d

  • SHA512

    cec5c7bb82b111e09732231b7605b501149e6f8c35f77237c6f92f757f2721ae5c8523cdb3069b95e37c6753e38280859d660bbd236777af930c06069dd68dc2

  • SSDEEP

    192:xEMZXn6ozg9WcNqxkFUJL2FYWFRhVYZLUbyln:xEWX6Mg9dNZUJCFrFRXLWln

Malware Config

Extracted

Family

remcos

Botnet

one_host

C2

111.90.147.146:2404

111.90.147.146:54750

111.90.147.146:80

111.90.147.146:8080

111.90.147.146:21

111.90.147.146:465

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

    hdeshtrhj-38D4FR

  • 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

      scan_documet_027839.vbs

    • Size

      14KB

    • MD5

      a5a98320f9ac5232423dbde020b8af40

    • SHA1

      270b584738e2ad68dfbb7d949b72e9ceeb620607

    • SHA256

      cb6c92921e3bc58250684d6bd5dda9b92d22917f2d5e7b137c9694907309e986

    • SHA512

      a0d29c2f86b197dfa834f3718ff45dfbcf7bdade1b6e0c551cf0cbd0b2138f9d2e6a2a53efa262321977e22979b7e2662d3f301258c1d70ca7580d7b2b441e42

    • SSDEEP

      384:40JkjQ0eWgc1pVR8YSwSPJmxNSiMFpWRD:fGjQ0e21pf8SmW28

    • Remcos

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks