General
- Target windowsupdate.exe
- Size 23.9MB
- Sample260714-2nfg1ae15j
- SHA256 c279e2785ca454680e260f9b67f61c59e5378282a6854a4542cf40f9d9f6e800
- MD5 1298314b82cbc3f9dd7fc4477eb733bb
- SHA1 b6de832b1000d0f4572d67c7f01341f3a736a573
- SHA512 497c8a8a5f0b2c677aa4117a20180f471e81a9665adb75f32c728e524d53c81e8b2b4a0a2128f9f9aa56b7950fd5e889cff5f5067b9b1b87b02bb2a17edd06ce
- SSDEEP 393216:I1biodjs14bMgLc9zGdGthrBnK7gIfUKOcwr6tZq5XK86A+7y2fHsxtEDwe3MG1G:V2G4TLcNOiVo58KPwr6tZq563AOZPwt7
- TLSH T18C473355ABD12CA7FC97953D56E3C612A1B262341F6089DF17AA03693FB3280003E77E
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
windowsupdate.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
windowsupdate.exe
Resource
win11ltsc2024-20260710-en
Malware Config
Extracted
-
C:\README_RANSOM.txt
- ==================================================== Hopeless - YOUR FILES ARE ENCRYPTED ==================================================== Victim ID: 0Y6FWHICT9ZE6JRT What happened to your files? All your important documents, photos, databases, and other files have been encrypted with military-grade AES-256 encryption. How to recover your files? To recover your files, you need to pay $700 USD in BTC to the following Monero address: BTC: bc1q3vp3m5dnleszjcwhnzs5gxmcnfx9dfkl8fcny4 After payment, contact us at: [email protected] Telegram: @ransomwareeeeeeeee IMPORTANT: Do not attempt to decrypt files yourself. Any attempt may result in permanent data loss. You have 72 hours to make payment. After that, the decryption key will be destroyed and your data will be lost forever. ====================================================
Extracted
-
C:\README_RANSOM.txt
- ==================================================== Hopeless - YOUR FILES ARE ENCRYPTED ==================================================== Victim ID: CG7G7NCUSDVTRU61 What happened to your files? All your important documents, photos, databases, and other files have been encrypted with military-grade AES-256 encryption. How to recover your files? To recover your files, you need to pay $700 USD in BTC to the following Monero address: BTC: bc1q3vp3m5dnleszjcwhnzs5gxmcnfx9dfkl8fcny4 After payment, contact us at: [email protected] Telegram: @ransomwareeeeeeeee IMPORTANT: Do not attempt to decrypt files yourself. Any attempt may result in permanent data loss. You have 72 hours to make payment. After that, the decryption key will be destroyed and your data will be lost forever. ====================================================
Targets
-
- Target windowsupdate.exe
- Size 23.9MB
- SHA256 c279e2785ca454680e260f9b67f61c59e5378282a6854a4542cf40f9d9f6e800
- MD5 1298314b82cbc3f9dd7fc4477eb733bb
- SHA1 b6de832b1000d0f4572d67c7f01341f3a736a573
- SHA512 497c8a8a5f0b2c677aa4117a20180f471e81a9665adb75f32c728e524d53c81e8b2b4a0a2128f9f9aa56b7950fd5e889cff5f5067b9b1b87b02bb2a17edd06ce
- SSDEEP 393216:I1biodjs14bMgLc9zGdGthrBnK7gIfUKOcwr6tZq5XK86A+7y2fHsxtEDwe3MG1G:V2G4TLcNOiVo58KPwr6tZq563AOZPwt7
- TLSH T18C473355ABD12CA7FC97953D56E3C612A1B262341F6089DF17AA03693FB3280003E77E
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Renames multiple (453) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Disables one or more Microsoft Defender components
Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.
-
Loads dropped DLL
-
Adds Run key to start application
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Drops file in System32 directory
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1