General
- Target EZFN Launcher_1.3.3_x64_en-US.msi
- Size 7.4MB
- Sample260529-c552jsbs7l
- SHA256 77cd56844de4bc403b8b5fd921a295f639a932960665d31618f1395ffa6bd228
- MD5 706c630a1461c1e2c42eae975a28b986
- SHA1 9265d799175eeb39e4d842bf523eb5f127c96968
- SHA512 822662a2e1d52508fd31abf9906ee7390ac289ff8864f4bc04b33f2b3228bd0b234a771a54b0796cfe988896c4e5c5dda38125519bae07b6d6862b0a41a50fd2
- SSDEEP 196608:eZvzCsZWZNoCZR5kUS4m126mXHv8VKY2XH7112v:czPZONo6/kF4moXPCKBL112v
- TLSH T13676334B3E84A661D4A70D765875EB918F3DBC244B6489C32386B309EFF02D10FB65DA
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
EZFN Launcher_1.3.3_x64_en-US.msi
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
EZFN Launcher_1.3.3_x64_en-US.msi
Resource
win11-20260513-en
Malware Config
Targets
-
- Target EZFN Launcher_1.3.3_x64_en-US.msi
- Size 7.4MB
- SHA256 77cd56844de4bc403b8b5fd921a295f639a932960665d31618f1395ffa6bd228
- MD5 706c630a1461c1e2c42eae975a28b986
- SHA1 9265d799175eeb39e4d842bf523eb5f127c96968
- SHA512 822662a2e1d52508fd31abf9906ee7390ac289ff8864f4bc04b33f2b3228bd0b234a771a54b0796cfe988896c4e5c5dda38125519bae07b6d6862b0a41a50fd2
- SSDEEP 196608:eZvzCsZWZNoCZR5kUS4m126mXHv8VKY2XH7112v:czPZONo6/kF4moXPCKBL112v
- TLSH T13676334B3E84A661D4A70D765875EB918F3DBC244B6489C32386B309EFF02D10FB65DA
- MD5 SHA1 SHA512 SSDEEP TLSH
Renames multiple (162) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
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
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
Modifies file permissions
Adds Run key to start application
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
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
Drops file in System32 directory
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Defense Evasion
File and Directory Permissions Modification
1Modify Registry
3Subvert Trust Controls
2Install Root Certificate
2