General
- Target oioi.exe
- Size 15.9MB
- Sample260705-wkpcvaat8p
- SHA256 248556f6d6b0e6979972833957caec666d31af74985cbb14877fc6e7d1b74f87
- MD5 8850fd323c611252b5216fae64204176
- SHA1 7d3f64291487ceb3dc2be5a5cd2f00d3e5436b92
- SHA512 f2a5ad5df144b3e92a4cf43d8b7f0814a66e709bc2db3f8b0bd2106ce43944839fbf97f26164a1de260284c859371afbb8246e888793a257bce3f1a6c8f03d51
- SSDEEP 393216:cBehLDu12pXEAphVtlIwQSg+1/iZB37Xh5ogodjPRvk7do3plk:3fLpRphxBo+RiZBrxygod5vk7l
- TLSH T144F633A9B18155FAF8E6503D5A61C560E3B0B5402F05C2FF1BF44A113E3BAA64F3C6E9
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
oioi.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
oioi.exe
Resource
win11ltsc2024-20260629-en
Malware Config
Targets
-
- Target oioi.exe
- Size 15.9MB
- SHA256 248556f6d6b0e6979972833957caec666d31af74985cbb14877fc6e7d1b74f87
- MD5 8850fd323c611252b5216fae64204176
- SHA1 7d3f64291487ceb3dc2be5a5cd2f00d3e5436b92
- SHA512 f2a5ad5df144b3e92a4cf43d8b7f0814a66e709bc2db3f8b0bd2106ce43944839fbf97f26164a1de260284c859371afbb8246e888793a257bce3f1a6c8f03d51
- SSDEEP 393216:cBehLDu12pXEAphVtlIwQSg+1/iZB37Xh5ogodjPRvk7do3plk:3fLpRphxBo+RiZBrxygod5vk7l
- TLSH T144F633A9B18155FAF8E6503D5A61C560E3B0B5402F05C2FF1BF44A113E3BAA64F3C6E9
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Modifies Windows Defender notification settings
-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Hide Artifacts: Hidden Files and Directories
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
2Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
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
6Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1