General
- Target oioi.exe
- Size 77.6MB
- Sample260714-cslgdaex8s
- SHA256 60f441ab90dae5b786b7b86c6ac04721f987792727c05d882c6c9577fcd327af
- MD5 23e22343e33c94bb09aec3f55fc930a4
- SHA1 5df6e72713bf54c28d3d9596f4200262b9ee4abc
- SHA512 c0fbf302afb7aa4173bc52072f1d7e39a5ddc59a705775b307b484db7ba10799ff33ac24565543445852ef4a3ba14d44642efcf43a25abe222180c89db11bfd0
- SSDEEP 1572864:G4f/8FkYEUZl7XNyjhQR5QMJJ8R/E0/utd0xygPhIOThxH6iZYkrody/w8X:dfmEQlLgaR55oR/E0/kd0xF5FxHw8
- TLSH T1FC0833C1BD4636F6DD9416306484AD3BD6E530894F53C29B1BF469362E2B780AFB0AF1
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
oioi.exe
Resource
win10v2004-20260513-en
Malware Config
Targets
-
- Target oioi.exe
- Size 77.6MB
- SHA256 60f441ab90dae5b786b7b86c6ac04721f987792727c05d882c6c9577fcd327af
- MD5 23e22343e33c94bb09aec3f55fc930a4
- SHA1 5df6e72713bf54c28d3d9596f4200262b9ee4abc
- SHA512 c0fbf302afb7aa4173bc52072f1d7e39a5ddc59a705775b307b484db7ba10799ff33ac24565543445852ef4a3ba14d44642efcf43a25abe222180c89db11bfd0
- SSDEEP 1572864:G4f/8FkYEUZl7XNyjhQR5QMJJ8R/E0/utd0xygPhIOThxH6iZYkrody/w8X:dfmEQlLgaR55oR/E0/kd0xF5FxHw8
- TLSH T1FC0833C1BD4636F6DD9416306484AD3BD6E530894F53C29B1BF469362E2B780AFB0AF1
- MD5 SHA1 SHA512 SSDEEP TLSH
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Modifies Windows Defender notification settings
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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 one or more Microsoft Defender components
Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.
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Disables automatic submission of suspicious files to Microsoft by Windows Defender
Uses the Powershell Set-MpPreference cmdlet to prevent Windows Defender from automatically sending files to Microsoft for analysis.
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Executes dropped EXE
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Loads dropped DLL
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Windows security modification
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Adds Run key to start application
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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.
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Hide Artifacts: Hidden Files and Directories
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Sets desktop wallpaper using registry
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
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
5Disable or Modify Tools
5Modify Registry
5