General

  • Target
    05a8c28d20329c1452fae3a5a925c9d4db7b0b74952322768b01f8679792f6be.bin
  • Size 1.2MB
  • Sample260823-x1dfysam4s
  • SHA256 05a8c28d20329c1452fae3a5a925c9d4db7b0b74952322768b01f8679792f6be
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://firebasestorage.googleapis.com/v0/b/sadam-bda08.firebasestorage.app/o/trafic%2Fna1.png?alt=media&token=45c74dc4-c2d9-4860-b9ae-d0775da05700

Extracted

Family
  • remcos

Version
  • 7.2.5 Pro

Botnet
  • 5000

C2
  • 54.37.128.55:5000

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-82L1T8

  • 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
      05a8c28d20329c1452fae3a5a925c9d4db7b0b74952322768b01f8679792f6be.bin
    • Size 1.2MB
    • SHA256 05a8c28d20329c1452fae3a5a925c9d4db7b0b74952322768b01f8679792f6be
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Remcos

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

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks