General
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Target
83d49a58f4c4910aed8ca2c8235a4008faf8895785a1efb8580fdd6f03ae0ef9.exe
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Size
938KB
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Sample
250216-dajqhayjem
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MD5
91c52c6849af5fe67eb447e6ad66556f
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SHA1
1ebf8b013ae9b52326be7196f4a04ab4aae3451c
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SHA256
83d49a58f4c4910aed8ca2c8235a4008faf8895785a1efb8580fdd6f03ae0ef9
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SHA512
8a90802fa783c434307c42b84d599e779e2582387f4349074429ff1aa9df2059ec2fffd723ac7e1be2d8fecbfb0cc450f5c9a78108acfd9c4d407c777e07d6e6
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SSDEEP
24576:sqDEvCTbMWu7rQYlBQcBiT6rprG8aesl:sTvC/MTQYxsWR7aes
Static task
static1
Behavioral task
behavioral1
Sample
83d49a58f4c4910aed8ca2c8235a4008faf8895785a1efb8580fdd6f03ae0ef9.exe
Resource
win7-20240903-en
Malware Config
Extracted
http://185.215.113.16/defend/random.exe
Targets
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Target
83d49a58f4c4910aed8ca2c8235a4008faf8895785a1efb8580fdd6f03ae0ef9.exe
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Size
938KB
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MD5
91c52c6849af5fe67eb447e6ad66556f
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SHA1
1ebf8b013ae9b52326be7196f4a04ab4aae3451c
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SHA256
83d49a58f4c4910aed8ca2c8235a4008faf8895785a1efb8580fdd6f03ae0ef9
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SHA512
8a90802fa783c434307c42b84d599e779e2582387f4349074429ff1aa9df2059ec2fffd723ac7e1be2d8fecbfb0cc450f5c9a78108acfd9c4d407c777e07d6e6
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SSDEEP
24576:sqDEvCTbMWu7rQYlBQcBiT6rprG8aesl:sTvC/MTQYxsWR7aes
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Detects Healer an antivirus disabler dropper
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Healer family
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Modifies Windows Defender Real-time Protection settings
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Modifies Windows Defender notification settings
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Blocklisted process makes network request
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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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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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Windows security modification
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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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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Create or Modify System Process
4Windows Service
4Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Create or Modify System Process
4Windows Service
4Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
5Disable or Modify Tools
5Modify Registry
6Virtualization/Sandbox Evasion
2