General
- Target ep_uninstall.exe
- Size 11.7MB
- Sample260903-t4nvbaad94
- SHA256 8146db4d3a87201fb80ad1d3712ba8f56883e9a0811758bd39f62d73a9f2c586
- MD5 a611f07c3b935ef80361cb326a6c659d
- SHA1 660c5bb132cd03822b2982ad53cd1d1aee801a13
- SHA512 e8c21dc4a746c50cf14fdead54a37d8d77b40ae6276118bb2797039ca9b741dc519521c3264283b4e31dc2af9448f6c0a60bf25fc7b4a40ba5d9b7f309074a07
- SSDEEP 196608:LAvKGmJYCEKfMhjfGptv0jikRUEiyi5o2ItCC2bO+WxNtTYne/C5YbM1Vd+2AB5V:EKXOCEti4jikiEZijTCIKNtUnwYYA1K
- TLSH T118C633257BE209CEFA3BC37898B3110691A97D076B35D8BF9650059E4D33BE2C538729
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
ep_uninstall.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Targets
-
- Target ep_uninstall.exe
- Size 11.7MB
- SHA256 8146db4d3a87201fb80ad1d3712ba8f56883e9a0811758bd39f62d73a9f2c586
- MD5 a611f07c3b935ef80361cb326a6c659d
- SHA1 660c5bb132cd03822b2982ad53cd1d1aee801a13
- SHA512 e8c21dc4a746c50cf14fdead54a37d8d77b40ae6276118bb2797039ca9b741dc519521c3264283b4e31dc2af9448f6c0a60bf25fc7b4a40ba5d9b7f309074a07
- SSDEEP 196608:LAvKGmJYCEKfMhjfGptv0jikRUEiyi5o2ItCC2bO+WxNtTYne/C5YbM1Vd+2AB5V:EKXOCEti4jikiEZijTCIKNtUnwYYA1K
- TLSH T118C633257BE209CEFA3BC37898B3110691A97D076B35D8BF9650059E4D33BE2C538729
- 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
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Event Triggered Execution: Image File Execution Options Injection
-
Possible privilege escalation attempt
-
Creates new service(s)
-
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.
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Executes dropped EXE
-
Loads dropped DLL
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Modifies file permissions
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Modifies system executable filetype association
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Stops running service(s)
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
-
Drops desktop.ini file(s)
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Indicator Removal: File Deletion
Adversaries may delete files left behind by the actions of their intrusion activity.
-
Discovers running processes
Running process information can be used to identify security tools or plan follow-on actions.
-
Drops file in System32 directory
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1System Services
2Service Execution
2Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
4Change Default File Association
1Component Object Model Hijacking
1Image File Execution Options Injection
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
4Change Default File Association
1Component Object Model Hijacking
1Image File Execution Options Injection
1Netsh Helper DLL
1Defense Evasion
File and Directory Permissions Modification
1Impair Defenses
1Indicator Removal
2Clear Persistence
1File Deletion
1Modify Registry
4