General
- Target install.ps1
- Size 820B
- Sample260605-ajvbtaas6m
- SHA256 f2ef12197eef1980d63c275b91f51717b9aea0808a79598a27b66cc2c43401ad
- MD5 d5dd8706c0338f766b0cafea8e0fecef
- SHA1 1ce51e53a458439e8cdf8975adad00135289cb5a
- SHA512 61bad06ab1b98a7ffca715561cdb6656cfe73e55a60f90603532e4caca3970965d3d659771e6e9af60965d312c258d16fc517db071913abcebece669fcca7a5b
- TLSH T1D80112A595D0026A9F38060A4859431ABC6A822F614F0798E2748250BFAC81EC3B6077
- MD5 SHA1 SHA512 TLSH
Static task
static1
Behavioral task
behavioral1
Sample
install.ps1
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
install.ps1
Resource
win11-20260513-en
Malware Config
Targets
-
- Target install.ps1
- Size 820B
- SHA256 f2ef12197eef1980d63c275b91f51717b9aea0808a79598a27b66cc2c43401ad
- MD5 d5dd8706c0338f766b0cafea8e0fecef
- SHA1 1ce51e53a458439e8cdf8975adad00135289cb5a
- SHA512 61bad06ab1b98a7ffca715561cdb6656cfe73e55a60f90603532e4caca3970965d3d659771e6e9af60965d312c258d16fc517db071913abcebece669fcca7a5b
- TLSH T1D80112A595D0026A9F38060A4859431ABC6A822F614F0798E2748250BFAC81EC3B6077
- MD5 SHA1 SHA512 TLSH
-
Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
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Modifies WinLogon for persistence
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UAC bypass
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Disables use of System Restore points
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Drops file in System32 directory
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Enumerates processes with tasklist
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Direct Volume Access
1Impair Defenses
2Disable or Modify Tools
2Indicator Removal
3File Deletion
3Modify Registry
5Subvert Trust Controls
2Install Root Certificate
2