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General
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Target
WZAgent.exe
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Size
26.2MB
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Sample
240921-j2tbxasfjj
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MD5
4cf978f2749291d8d9a722cf8bd9d9ea
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SHA1
2580a9be8bc6994987cc4951a4690efd7077ea92
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SHA256
ea8779bb436427af92289d75ee7510e1784bf6772729091abcc350cdf773058c
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SHA512
d1ba2ea6a06cf5241bd26319b7bd2da7cb3ca0453496703fa66413cc56edf9893414a970dfb67451cfb85ef735305986958ba852287b3dc63b7cf28ab351d61d
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SSDEEP
786432:Ov1EWULlsocwpd3XHEquH6rdEePFG/7vG43EY6:Ov1EWusor8j6r714
Behavioral task
behavioral1
Sample
WZAgent.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
WZAgent.exe
Resource
win10v2004-20240802-en
Malware Config
Targets
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Target
WZAgent.exe
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Size
26.2MB
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MD5
4cf978f2749291d8d9a722cf8bd9d9ea
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SHA1
2580a9be8bc6994987cc4951a4690efd7077ea92
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SHA256
ea8779bb436427af92289d75ee7510e1784bf6772729091abcc350cdf773058c
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SHA512
d1ba2ea6a06cf5241bd26319b7bd2da7cb3ca0453496703fa66413cc56edf9893414a970dfb67451cfb85ef735305986958ba852287b3dc63b7cf28ab351d61d
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SSDEEP
786432:Ov1EWULlsocwpd3XHEquH6rdEePFG/7vG43EY6:Ov1EWusor8j6r714
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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 system executable filetype association
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Obfuscated with Agile.Net obfuscator
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
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Adds Run key to start application
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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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Checks system information in the registry
System information is often read in order to detect sandboxing environments.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1