General

  • Target

    1d95f49dafe2eb0e3467f7b52c62906d9784848a8d32570aabd08dd90260fc9a.vbs

  • Size

    681KB

  • Sample

    240924-bgvp8s1hpp

  • MD5

    565637e14d435517b82b9db61b2a41d6

  • SHA1

    8ccb6cd7e3b67cb017b8483fe36664ccd4a33162

  • SHA256

    1d95f49dafe2eb0e3467f7b52c62906d9784848a8d32570aabd08dd90260fc9a

  • SHA512

    6856e52dff58d538dc57a5d61f5683b6e24d8ecee791b8623c650ef4203a36b740023f20c97ed49baf13e0c2986962cdc9d92bfbd7f593eaac430b47d15216d7

  • SSDEEP

    1536:9SSSSSSSSSSSSSSSSSSSSSSSx22222222222222222222222222222222222222T:7LeP6HlC21M

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

https://drive.google.com/uc?export=download&id=

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.desckvbrat.com.br
  • Port:
    21
  • Username:
    desckvbrat1
  • Password:
    developerpro21578Jp@@

Extracted

Family

remcos

Botnet

40/40

C2

techsupport.ddnsking.com:40404

techsupport40.ddnsking.com:40405

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-V46Z03

  • 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

      1d95f49dafe2eb0e3467f7b52c62906d9784848a8d32570aabd08dd90260fc9a.vbs

    • Size

      681KB

    • MD5

      565637e14d435517b82b9db61b2a41d6

    • SHA1

      8ccb6cd7e3b67cb017b8483fe36664ccd4a33162

    • SHA256

      1d95f49dafe2eb0e3467f7b52c62906d9784848a8d32570aabd08dd90260fc9a

    • SHA512

      6856e52dff58d538dc57a5d61f5683b6e24d8ecee791b8623c650ef4203a36b740023f20c97ed49baf13e0c2986962cdc9d92bfbd7f593eaac430b47d15216d7

    • SSDEEP

      1536:9SSSSSSSSSSSSSSSSSSSSSSSx22222222222222222222222222222222222222T:7LeP6HlC21M

    • Remcos

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Checks computer location settings

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

    • Drops startup file

    • Adds Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks