General
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Target
2024-09-12_b2c21469ac9ee8a5998e6c7a1b7ccc2d_destroyer_wannacry
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Size
83KB
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Sample
240912-hn3gzswgpp
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MD5
b2c21469ac9ee8a5998e6c7a1b7ccc2d
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SHA1
b088b4d45e8177dbf037898fcf560cdf55c7a794
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SHA256
269b64f6ebfbf1aa867b3b23770df1cd0abff63dd63be3a50ee0faa374ef9390
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SHA512
3af537a71f98a3d68591e94d7a65cdcf4f5d95b7ea68d5486bdc3714746e002e9dc8781154bad158c4c0cde48949cf50e1d5d1978ae31b29934aebbd294e669f
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SSDEEP
1536:gNojJM0Sq9UIV5wlzNZ+c8dTSgfAiqKegnDJpmEsxr8UnFoVVBBJMp:G0Sq9UeuRcc8MVkegDJptWAUnF8/g
Behavioral task
behavioral1
Sample
2024-09-12_b2c21469ac9ee8a5998e6c7a1b7ccc2d_destroyer_wannacry.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2024-09-12_b2c21469ac9ee8a5998e6c7a1b7ccc2d_destroyer_wannacry.exe
Resource
win10v2004-20240802-en
Malware Config
Targets
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Target
2024-09-12_b2c21469ac9ee8a5998e6c7a1b7ccc2d_destroyer_wannacry
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Size
83KB
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MD5
b2c21469ac9ee8a5998e6c7a1b7ccc2d
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SHA1
b088b4d45e8177dbf037898fcf560cdf55c7a794
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SHA256
269b64f6ebfbf1aa867b3b23770df1cd0abff63dd63be3a50ee0faa374ef9390
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SHA512
3af537a71f98a3d68591e94d7a65cdcf4f5d95b7ea68d5486bdc3714746e002e9dc8781154bad158c4c0cde48949cf50e1d5d1978ae31b29934aebbd294e669f
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SSDEEP
1536:gNojJM0Sq9UIV5wlzNZ+c8dTSgfAiqKegnDJpmEsxr8UnFoVVBBJMp:G0Sq9UeuRcc8MVkegDJptWAUnF8/g
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Chaos Ransomware
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit
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Disables Task Manager via registry modification
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Executes dropped EXE
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Adds Run key to start application
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Drops desktop.ini file(s)
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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Accessibility Features
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Accessibility Features
1Defense Evasion
Direct Volume Access
1Indicator Removal
3File Deletion
3Modify Registry
2