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General
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Target
LOUD (1).exe
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Size
6.6MB
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Sample
240928-cgbssstdpf
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MD5
0dff13e4c70c094b2972d640c3695103
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SHA1
5769dc915217ce43551ad3eddacdc893d3fbc1dd
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SHA256
97394c6d3371e8e3dd62d70ebcda4c8ad02b6a6c9bc69b38eb5fef22f030533e
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SHA512
a53105e4b711f7734e2f1f45f632d54961c57451554440a12e6beddd43cf248aeef340e59d01693452dcbe788b635112275572012c10b06855a91736bc63de54
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SSDEEP
98304:mMamq8pxmx/ZRCJhO1WnVfv6UuaBdZGxTFOgpFbjEIRYd3ZR4zyrIiZf5VhZrIq:mtmZpyh8bVnxBdkxTbzXGdJiiZfrh
Malware Config
Targets
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Target
LOUD (1).exe
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Size
6.6MB
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MD5
0dff13e4c70c094b2972d640c3695103
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SHA1
5769dc915217ce43551ad3eddacdc893d3fbc1dd
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SHA256
97394c6d3371e8e3dd62d70ebcda4c8ad02b6a6c9bc69b38eb5fef22f030533e
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SHA512
a53105e4b711f7734e2f1f45f632d54961c57451554440a12e6beddd43cf248aeef340e59d01693452dcbe788b635112275572012c10b06855a91736bc63de54
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SSDEEP
98304:mMamq8pxmx/ZRCJhO1WnVfv6UuaBdZGxTFOgpFbjEIRYd3ZR4zyrIiZf5VhZrIq:mtmZpyh8bVnxBdkxTbzXGdJiiZfrh
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Downloads MZ/PE file
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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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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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Blocklisted process makes network request
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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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Drops desktop.ini file(s)
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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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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1