General
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Target
0422b94d0a534662feb275bc08e4c9354da3c420175f17af19a2d530a8c6a55d
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Size
1.4MB
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Sample
220527-1zppdaecg6
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MD5
83893231b42fb379bbbd035bf6d66d5a
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SHA1
77a1d125a1bbf56a1850029fa17fa76a7bb9178e
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SHA256
0422b94d0a534662feb275bc08e4c9354da3c420175f17af19a2d530a8c6a55d
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SHA512
47ea8105790946b9bd646bdff102b6632330d0f4e10fb46b75e1cd4d0662e8ff37852fba5375fe85b18b714efd0674bb9292ceffb4997bc0683c975b1e6c9687
Static task
static1
Behavioral task
behavioral1
Sample
0422b94d0a534662feb275bc08e4c9354da3c420175f17af19a2d530a8c6a55d.exe
Resource
win7-20220414-en
Malware Config
Targets
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Target
0422b94d0a534662feb275bc08e4c9354da3c420175f17af19a2d530a8c6a55d
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Size
1.4MB
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MD5
83893231b42fb379bbbd035bf6d66d5a
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SHA1
77a1d125a1bbf56a1850029fa17fa76a7bb9178e
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SHA256
0422b94d0a534662feb275bc08e4c9354da3c420175f17af19a2d530a8c6a55d
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SHA512
47ea8105790946b9bd646bdff102b6632330d0f4e10fb46b75e1cd4d0662e8ff37852fba5375fe85b18b714efd0674bb9292ceffb4997bc0683c975b1e6c9687
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Looks for VirtualBox Guest Additions in registry
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Executes dropped EXE
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Looks for VMWare Tools registry key
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Registers COM server for autorun
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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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Deletes itself
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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Loads dropped DLL
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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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 v6
Persistence
Bootkit
1Browser Extensions
1Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
Install Root Certificate
1Modify Registry
3Virtualization/Sandbox Evasion
4