General

  • Target

    d9ae1ca2c79c25731a8a5c2bbe4fda94d99a24cb58b653a5b46371c461c9b2a9.vbs

  • Size

    681KB

  • Sample

    240924-gp398stdqn

  • MD5

    8dbb7515d5a60561c6274dc9727f0153

  • SHA1

    ff42190854208b6a0584542d7ab7319eac4860e2

  • SHA256

    d9ae1ca2c79c25731a8a5c2bbe4fda94d99a24cb58b653a5b46371c461c9b2a9

  • SHA512

    acd73dfc1152bf6d9e0d85832c73765f09e6e23b085ba1a3fa12016a02e6c13fe0a8483a1ac8a1528f91d7d85b9b58a5834f11a8ec13020a589421c934bd2e12

  • SSDEEP

    1536:9SSSSSSSSSSSSSSSSSSSSSSSx22222222222222222222222222222222222222m:r0iH2GgF+

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

Grace

C2

severdops.ddns.net:7717

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-P28XIL

  • 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

      d9ae1ca2c79c25731a8a5c2bbe4fda94d99a24cb58b653a5b46371c461c9b2a9.vbs

    • Size

      681KB

    • MD5

      8dbb7515d5a60561c6274dc9727f0153

    • SHA1

      ff42190854208b6a0584542d7ab7319eac4860e2

    • SHA256

      d9ae1ca2c79c25731a8a5c2bbe4fda94d99a24cb58b653a5b46371c461c9b2a9

    • SHA512

      acd73dfc1152bf6d9e0d85832c73765f09e6e23b085ba1a3fa12016a02e6c13fe0a8483a1ac8a1528f91d7d85b9b58a5834f11a8ec13020a589421c934bd2e12

    • SSDEEP

      1536:9SSSSSSSSSSSSSSSSSSSSSSSx22222222222222222222222222222222222222m:r0iH2GgF+

    • 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