Overview

overview

10

Static

static

3

4b73654cf3...45.exe

windows7-x64

6

4b73654cf3...45.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4b73654cf36400f07cca37f59c1f3045.exe

  • Size

    1.2MB

  • Sample

    240826-w8xzwszfrq

  • MD5

    4b73654cf36400f07cca37f59c1f3045

  • SHA1

    f48126fe67484770f48c5a4154b72767a047d128

  • SHA256

    e582b99d0e9ea6b9ee35cc35923ea7c093caf49f3a260091e499ea70924fc423

  • SHA512

    e7a07b28cecaba8289bd2aa6b551bb25bc09f858f3fb4a33cda65a9e3dacb248c1a7189edf2c6b44eff2d167b8ad0dc1c78548f86370a581c321369bf654d9b6

  • SSDEEP

    24576:CZVuHRMORLbIddddazvtyrSjX/f3RxyKs7smnUhvZg2ECLdr9wZaQWlHSb:UwRMOJbIddddaQU/f3Rxla/Uh5ECRDB2

Score
10/10
remcosremotehostcollectioncredential_accessdiscoverypersistenceratstealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

23.106.127.123:91

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-TF3JTP

  • 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

      4b73654cf36400f07cca37f59c1f3045.exe

    • Size

      1.2MB

    • MD5

      4b73654cf36400f07cca37f59c1f3045

    • SHA1

      f48126fe67484770f48c5a4154b72767a047d128

    • SHA256

      e582b99d0e9ea6b9ee35cc35923ea7c093caf49f3a260091e499ea70924fc423

    • SHA512

      e7a07b28cecaba8289bd2aa6b551bb25bc09f858f3fb4a33cda65a9e3dacb248c1a7189edf2c6b44eff2d167b8ad0dc1c78548f86370a581c321369bf654d9b6

    • SSDEEP

      24576:CZVuHRMORLbIddddazvtyrSjX/f3RxyKs7smnUhvZg2ECLdr9wZaQWlHSb:UwRMOJbIddddaQU/f3Rxla/Uh5ECRDB2

    Score
    10/10
    discoverypersistenceremcosremotehostcollectioncredential_accessratstealer

    • Remcos

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

      ratremcos

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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

    • Accesses Microsoft Outlook accounts

      collection

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks