General

  • Target
    Faktura pro forma.vbs
  • Size 396KB
  • Sample261008-lp32paeb84
  • SHA256 876de483fb47861e27d3e3799f0199b5b79bf4cdf64964e974273def5acf384a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 45.136.5.227:23101

Mutex
  • Q742Td5jSTOL3sID

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family
  • remcos

Version
  • 7.3.1 Pro

Botnet
  • NEW

C2
  • 45.136.5.227:10123

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

    Rmcrgfxctsrghguviyuhfgdxefhgt-ZZTXRV

  • 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
      Faktura pro forma.vbs
    • Size 396KB
    • SHA256 876de483fb47861e27d3e3799f0199b5b79bf4cdf64964e974273def5acf384a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: Remcos

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

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Executes a VBScript file via the Windows Script Host.

MITRE ATT&CK Enterprise v16

Tasks