Resubmissions

20/06/2026, 05:09

260620-fs5f2aev5x10

19/06/2026, 23:53

260619-3xsdladt6w7

General

  • Target
    DDR.exe
  • Size 117.8MB
  • Sample260620-fs5f2aev5x
  • SHA256 f65fbd9951307f741bd92526e13af0785ee7e883dc1f1edde01a0c6042037095
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Path
  • C:\Users\Admin\Desktop\ResolveAdd.js

Ransom Note
  • ======================================================================== COFFIN FLEET — YOUR FILES HAVE BEEN ENCRYPTED ======================================================================== This file has been encrypted with AES-256-GCM double-layer encryption. TO RECOVER YOUR FILES: • Send 300 USD in Bitcoin to: 3BKuiDHNSbdCdC8fHTUxCB4GRBiuKUrMzr • Contact us with your payment proof to receive the decryption key. DEADLINE: 2026-06-23 06:12 (price doubles after expiry) DO NOT: • Rename, move, or delete .fleet files • Use file recovery tools (they cannot recover AES-256-GCM data) • Contact law enforcement See !HOW_TO_RECOVER.html in this folder for full instructions. ========================================================================

Extracted

Path
  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync Data\Logs\sync_diagnostic.log

Ransom Note
  • ======================================================================== COFFIN FLEET — YOUR FILES HAVE BEEN ENCRYPTED ======================================================================== This file has been encrypted with AES-256-GCM double-layer encryption. TO RECOVER YOUR FILES: • Send 300 USD in Bitcoin to: 3BKuiDHNSbdCdC8fHTUxCB4GRBiuKUrMzr • Contact us with your payment proof to receive the decryption key. DEADLINE: 2026-06-23 06:12 (price doubles after expiry) DO NOT: • Rename, move, or delete .fleet files • Use file recovery tools (they cannot recover AES-256-GCM data) • Contact law enforcement See !HOW_TO_RECOVER.html in this folder for full instructions. ======================================================================== 2026-06-20 05:14:24.126: [INFO][Sync] Reset engine, reason: 8 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Bookmarks 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Preferences 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Passwords 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Autofill Profiles 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Autofill 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Extensions 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Sessions 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Extension settings 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: History Delete Directives 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Device Info 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: User Consents 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Send Tab To Self 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Web Apps 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: History 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Saved Tab Group 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: WebAuthn Credentials 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Collection 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Edge E Drop 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Edge Hub App Usage 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Edge Wallet 2026-06-20 05:14:24.126: [INFO][Sync] SyncState after authenticated was: NotSignedIn 2026-06-20 05:14:25.312: [INFO][Sync] Reset engine, reason: 8 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Bookmarks 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Preferences 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Passwords 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Autofill Profiles 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Autofill 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Extensions 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Sessions 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Extension settings 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: History Delete Directives 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Device Info 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: User Consents 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Send Tab To Self 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Web Apps 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: History 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Saved Tab Group 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: WebAuthn Credentials 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Collection 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Edge E Drop 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Edge Hub App Usage 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Edge Wallet

Extracted

Path
  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync Data\Logs\sync_diagnostic.log

Ransom Note
  • ======================================================================== COFFIN FLEET — YOUR FILES HAVE BEEN ENCRYPTED ======================================================================== This file has been encrypted with AES-256-GCM double-layer encryption. TO RECOVER YOUR FILES: • Send 300 USD in Bitcoin to: 3BKuiDHNSbdCdC8fHTUxCB4GRBiuKUrMzr • Contact us with your payment proof to receive the decryption key. DEADLINE: 2026-06-23 06:12 (price doubles after expiry) DO NOT: • Rename, move, or delete .fleet files • Use file recovery tools (they cannot recover AES-256-GCM data) • Contact law enforcement See !HOW_TO_RECOVER.html in this folder for full instructions. ======================================================================== 2026-06-20 05:14:24.126: [INFO][Sync] Reset engine, reason: 8 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Bookmarks 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Preferences 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Passwords 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Autofill Profiles 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Autofill 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Extensions 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Sessions 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Extension settings 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: History Delete Directives 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Device Info 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: User Consents 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Send Tab To Self 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Web Apps 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: History 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Saved Tab Group 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: WebAuthn Credentials 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Collection 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Edge E Drop 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Edge Hub App Usage 2026-06-20 05:14:24.126: [INFO][Sync] Stopped: Edge Wallet 2026-06-20 05:14:24.126: [INFO][Sync] SyncState after authenticated was: NotSignedIn 2026-06-20 05:14:25.312: [INFO][Sync] Reset engine, reason: 8 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Bookmarks 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Preferences 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Passwords 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Autofill Profiles 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Autofill 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Extensions 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Sessions 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Extension settings 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: History Delete Directives 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Device Info 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: User Consents 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Send Tab To Self 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Web Apps 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: History 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Saved Tab Group 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: WebAuthn Credentials 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Collection 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Edge E Drop 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Edge Hub App Usage 2026-06-20 05:14:25.312: [INFO][Sync] Stopped: Edge Wallet 2026-06-20 05:14:44.552: [INFO][Sync] Reset engine, reason: 0 2026-06-20 05:14:45.155: [INFO][Sync] Reset engine, reason: 8 2026-06-20 05:14:45.155: [INFO][Sync] Stopped: Bookmarks 2026-06-20 05:14:45.155: [INFO][Sync] Stopped: Preferences 2026-06-20 05:14:45.155: [INFO][Sync] Stopped: Passwords 2026-06-20 05:14:45.155: [INFO][Sync] Stopped: Autofill Profiles 2026-06-20 05:14:45.155: [INFO][Sync] Stopped: Autofill 2026-06-20 05:14:45.155: [INFO][Sync] Stopped: Extensions 2026-06-20 05:14:45.155: [INFO][Sync] Stopped: Sessions 2026-06-20 05:14:45.155: [INFO][Sync] Stopped: Extension settings 2026-06-20 05:14:45.155: [INFO][Sync] Stopped: History Delete Directives 2026-06-20 05:14:45.155: [INFO][Sync] Stopped: Device Info 2026-06-20 05:14:45.155: [INFO][Sync] Stopped: User Consents 2026-06-20 05:14:45.155: [INFO][Sync] Stopped: Send Tab To Self 2026-06-20 05:14:45.155: [INFO][Sync] Stopped: Web Apps 2026-06-20 05:14:45.155: [INFO][Sync] Stopped: History

Targets

    • Target
      DDR.exe
    • Size 117.8MB
    • SHA256 f65fbd9951307f741bd92526e13af0785ee7e883dc1f1edde01a0c6042037095
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Renames multiple (6951) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Drops desktop.ini file(s)

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v16

Tasks