General

  • Target

    cff42a20c90a525f62cf6c71c7362a9b94765f00f25c29faa20f2a0d67090ba8.exe

  • Size

    501KB

  • Sample

    240913-b6968ayake

  • MD5

    4c906f03f8cbdcd7c66a15f6c8498330

  • SHA1

    91e1270fc52b760ff2913f2db910f78c6051b74d

  • SHA256

    cff42a20c90a525f62cf6c71c7362a9b94765f00f25c29faa20f2a0d67090ba8

  • SHA512

    2ca1a394952bf0cef296f9015585b9a3bc261958350ed19e43adc4e778050320d46ac7f1854093f330a4000e4123361765769db2a569f93750f917e10564f717

  • SSDEEP

    12288:pbZxvzlLYN4fYSq7UpiiArc3mYAR27YAC1/:xZxpflpiFymHR2bI

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

102.165.14.28:26000

102.165.14.28:27000

102.165.14.28:28000

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-0V7E34

  • 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

      cff42a20c90a525f62cf6c71c7362a9b94765f00f25c29faa20f2a0d67090ba8.exe

    • Size

      501KB

    • MD5

      4c906f03f8cbdcd7c66a15f6c8498330

    • SHA1

      91e1270fc52b760ff2913f2db910f78c6051b74d

    • SHA256

      cff42a20c90a525f62cf6c71c7362a9b94765f00f25c29faa20f2a0d67090ba8

    • SHA512

      2ca1a394952bf0cef296f9015585b9a3bc261958350ed19e43adc4e778050320d46ac7f1854093f330a4000e4123361765769db2a569f93750f917e10564f717

    • SSDEEP

      12288:pbZxvzlLYN4fYSq7UpiiArc3mYAR27YAC1/:xZxpflpiFymHR2bI

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • 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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook accounts

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      9625d5b1754bc4ff29281d415d27a0fd

    • SHA1

      80e85afc5cccd4c0a3775edbb90595a1a59f5ce0

    • SHA256

      c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448

    • SHA512

      dce52b640897c2e8dbfd0a1472d5377fa91fb9cf1aeff62604d014bccbe5b56af1378f173132abeb0edd18c225b9f8f5e3d3e72434aed946661e036c779f165b

    • SSDEEP

      192:eX24sihno00Wfl97nH6BenXwWobpWBTtvShJ5omi7dJWjOlqSlS:D8QIl972eXqlWBFSt273YOlqz

    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks