General
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Target
https://cdn.discordapp.com/attachments/1159117947038617743/1258579909379624981/WaveInstaller-1.exe?ex=66888f61&is=66873de1&hm=8da2eb5db3dd73e1b91fac573eb5c85f3505a480c8150d1747e0050598a0f956&
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Sample
240705-avfmssxgjr
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://cdn.discordapp.com/attachments/1159117947038617743/1258579909379624981/WaveInstaller-1.exe?ex=66888f61&is=66873de1&hm=8da2eb5db3dd73e1b91fac573eb5c85f3505a480c8150d1747e0050598a0f956&
Resource
win10v2004-20240704-en
Malware Config
Extracted
C:\Users\Admin\Downloads\@[email protected]
wannacry
13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94
Targets
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Target
https://cdn.discordapp.com/attachments/1159117947038617743/1258579909379624981/WaveInstaller-1.exe?ex=66888f61&is=66873de1&hm=8da2eb5db3dd73e1b91fac573eb5c85f3505a480c8150d1747e0050598a0f956&
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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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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Drops startup file
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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
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Loads dropped DLL
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Modifies file permissions
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Adds Run key to start application
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Blocklisted process makes network request
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Checks for any installed AV software in registry
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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File and Directory Permissions Modification: Windows File and Directory Permissions Modification
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Legitimate hosting services abused for malware hosting/C2
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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
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Defense Evasion
File and Directory Permissions Modification
2Windows File and Directory Permissions Modification
1Hide Artifacts
1Hidden Files and Directories
1Indicator Removal
1File Deletion
1Modify Registry
3