Resubmissions

05/09/2026, 01:41

260905-b4ebrs1xft8

05/09/2026, 01:40

260905-b3nh2sdj2w8

05/09/2026, 01:21

260905-bqpkks1wds8

05/09/2026, 01:17

260905-bnpska1wav8

General

  • Target
    bloxflareV8 (1).rar
  • Size 1.3MB
  • Sample260905-b4ebrs1xft
  • SHA256 b4e33d8439a647c60eeeef2b760b60198cc8e3dc433228980264024309aa292d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      bloxflareV8/auth-spoof.js
    • Size 7KB
    • SHA256 ac8c4f521c4b4e1ac5620c11480511c79b5bb5019089d4c7d5b3d53a0c6723ea
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Target
      bloxflareV8/background.js
    • Size 812B
    • SHA256 2774f021198673ac93b3d6b3380b16f54e2b41dca77e1fe13b4a4d46b94bcbbb
    • MD5 SHA1 SHA512 TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      bloxflareV8/bridge.js
    • Size 4KB
    • SHA256 2c9784db3aa2c98c998ffc67351099c845ce1ceed319102331b58b380af96384
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      bloxflareV8/content.js
    • Size 2.3MB
    • SHA256 ec5fd5770630ce1d758276d281b855ba8c726395be663d53f6f7fd10ea046723
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      bloxflareV8/lib/lil-gui.min.js
    • Size 29KB
    • SHA256 ef6e0dfc3849a44aba1b62d60b5ad18a0e668238324f880e7cce49e6d7f6658a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      bloxflareV8/relay.js
    • Size 886B
    • SHA256 a89d9a4f93b2cd10269aac5b6bea2a3b54177372a5af63e280cb0da192051497
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      bloxflareV8/rolimons-spoof.js
    • Size 305KB
    • SHA256 11a57e77beb7d5e28664ebb0cbfae49149b475040b1722da40633baa081373fc
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

MITRE ATT&CK Enterprise v16

Tasks