General
- Target GMCRY.exe
- Size 64KB
- Sample260808-3sraqsfh37
- SHA256 be0df317ed8108369eca9d175ca879cdf7cdb4d54fb2e6f2a0771cd13cba9d7d
- MD5 a1c9aec6682ebc695e4dc89ea5a2ee68
- SHA1 0fd50f778b8a7270a1b35fce65e6859e69c626d3
- SHA512 50a27934dc9916b5e26e7ccb9b3d5d2c00c7ed76c676403b4ee5857aff3be164a4d43232e59c2efbf0d343ead26281a08d617fd36209f2622d04f87a9a80ff91
- SSDEEP 1536:rvZgmjVk4leE2nWsb/8YZTv/ozY3bliTjVR:rvWyVk4leESWsb/8Iv/TbliTj7
- TLSH T15153F80577F88A05F1BE5B79CEB281044776B9929936D70E0DDA64CE0523F208DE2BB7
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
GMCRY.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
GMCRY.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Extracted
-
C:\Users\Admin\Desktop\README.txt
- ============================================ YOUR FILES ARE ENCRYPTED ============================================ All your files have been encrypted with military-grade AES-256 encryption. To decrypt your files, you need the GMCRYDecryptor.exe which should be on your desktop. Run it and enter the decryption key. Contact us to get the decryption key: Telegram: @lol123yy Discord: zxc_009 DO NOT: - Restart your computer - Delete any .gmcry files - Try to rename or move files If you do not decrypt within 24 hours, your files may be lost. ============================================
Targets
-
- Target GMCRY.exe
- Size 64KB
- SHA256 be0df317ed8108369eca9d175ca879cdf7cdb4d54fb2e6f2a0771cd13cba9d7d
- MD5 a1c9aec6682ebc695e4dc89ea5a2ee68
- SHA1 0fd50f778b8a7270a1b35fce65e6859e69c626d3
- SHA512 50a27934dc9916b5e26e7ccb9b3d5d2c00c7ed76c676403b4ee5857aff3be164a4d43232e59c2efbf0d343ead26281a08d617fd36209f2622d04f87a9a80ff91
- SSDEEP 1536:rvZgmjVk4leE2nWsb/8YZTv/ozY3bliTjVR:rvWyVk4leESWsb/8Iv/TbliTj7
- TLSH T15153F80577F88A05F1BE5B79CEB281044776B9929936D70E0DDA64CE0523F208DE2BB7
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Modifies visibility of hidden/system files in Explorer
-
Adds policy Run key to start application
-
Disables RegEdit via registry modification
-
Disables Task Manager via registry modification
-
Disables cmd.exe use via registry modification
-
Event Triggered Execution: Image File Execution Options Injection
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Creates a file in the Startup directory
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
-
Executes dropped EXE
-
Adds Run key to start application
-
Executes a VBScript file via the Windows Script Host.
-
Sets desktop wallpaper using registry
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2Visual Basic
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Event Triggered Execution
1Image File Execution Options Injection
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Event Triggered Execution
1Image File Execution Options Injection
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Indicator Removal
1Clear Persistence
1Modify Registry
4Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1