General

  • Target

    dfa64dc7ba3712eec6272c7284549f3f5f7f280eb45f33f2d943e189e7cdd056.exe

  • Size

    1005KB

  • Sample

    240604-q6xnfshf3v

  • MD5

    362f334df96de91f3bc1804514111a11

  • SHA1

    b6cb9298287887ba02b99fe16da4f4956ce29658

  • SHA256

    dfa64dc7ba3712eec6272c7284549f3f5f7f280eb45f33f2d943e189e7cdd056

  • SHA512

    18c279c8dc1a7f05f71cba73427a0bf240a9f5dad63b636fbac8a02aef88685ff1d51bf3f349320277a421a3537068488068582c1e5d2b60f3f9b99353a18918

  • SSDEEP

    24576:Tdnt4t3pfCejOh92+K0n3oFDQMibhNU08FDUvS:T0nj6l73olShSFDUa

Malware Config

Extracted

Family

remcos

Botnet

EZEMUO 2024

C2

chimaasd.duckdns.org:1958

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-4TLB08

  • 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

      dfa64dc7ba3712eec6272c7284549f3f5f7f280eb45f33f2d943e189e7cdd056.exe

    • Size

      1005KB

    • MD5

      362f334df96de91f3bc1804514111a11

    • SHA1

      b6cb9298287887ba02b99fe16da4f4956ce29658

    • SHA256

      dfa64dc7ba3712eec6272c7284549f3f5f7f280eb45f33f2d943e189e7cdd056

    • SHA512

      18c279c8dc1a7f05f71cba73427a0bf240a9f5dad63b636fbac8a02aef88685ff1d51bf3f349320277a421a3537068488068582c1e5d2b60f3f9b99353a18918

    • SSDEEP

      24576:Tdnt4t3pfCejOh92+K0n3oFDQMibhNU08FDUvS:T0nj6l73olShSFDUa

    • Remcos

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

    • UAC bypass

    • Windows security bypass

    • Looks for VirtualBox Guest Additions in registry

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Uses the VBS compiler for execution

    • Windows security modification

    • Accesses Microsoft Outlook accounts

    • Checks whether UAC is enabled

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks