General

  • Target

    Eur 28950 Swift-pdf.js

  • Size

    11KB

  • Sample

    240802-pjc5vswgnm

  • MD5

    50dfd34adc64b6c0e26e72b2c0a29604

  • SHA1

    758dea7dd1909948bde1016d9a52561ef88cf996

  • SHA256

    34fba52e2899cceee8a6dc5793a00e1ecbdf948a56b62a647e7b913b0ae02ebf

  • SHA512

    45a71eb08eaa47f4b3fd1ad96ebb9b4bd08d1c77c7e92bab21fe95086514e3d025032b1f11de3934308ca8a3430b057d82af9d9bb533e647630ca657f573bd39

  • SSDEEP

    192:uMRB3t9iHOI42vmKrSPpOiutE+xhYB1+FXY26ugYPZW0H:/FgG0ltJx832/gYBL

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

August

C2

ab9001.ddns.net:35890

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    vlc.exe

  • copy_folder

    Vlc

  • 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

    datai-IQEOVD

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      Eur 28950 Swift-pdf.js

    • Size

      11KB

    • MD5

      50dfd34adc64b6c0e26e72b2c0a29604

    • SHA1

      758dea7dd1909948bde1016d9a52561ef88cf996

    • SHA256

      34fba52e2899cceee8a6dc5793a00e1ecbdf948a56b62a647e7b913b0ae02ebf

    • SHA512

      45a71eb08eaa47f4b3fd1ad96ebb9b4bd08d1c77c7e92bab21fe95086514e3d025032b1f11de3934308ca8a3430b057d82af9d9bb533e647630ca657f573bd39

    • SSDEEP

      192:uMRB3t9iHOI42vmKrSPpOiutE+xhYB1+FXY26ugYPZW0H:/FgG0ltJx832/gYBL

    • Remcos

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

    • Blocklisted process makes network request

    • 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.

    • 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