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General
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Target
BluestacksInstaller.exe
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Size
80KB
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Sample
240615-1w96xazfmj
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MD5
7a8057b88626b927138a6ac40016ff6d
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SHA1
beda666793500c73af8e4a73bf31d4831bda1a89
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SHA256
234d2f0fab4f2399ae1c4387e9dc58a19a3ea863d82c67ab1d90378b29e7748e
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SHA512
facc80950e636c0ef6b5bf703e9d19316d616735a7b6100c5a86897f0ee1d67668623eed5fed12a1086b85ceaadf9f8cfaddb0d2d0702b385e7a0ca5a0c5ce0b
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SSDEEP
768:YifC8qTvhE50tEIDPiKuukR7L1ptTfFWPt9e26cOMhFaB2hBC:YiTqTvhOYEIbiKuumnBFe9e26cOMX9A
Behavioral task
behavioral1
Sample
BluestacksInstaller.exe
Resource
win10v2004-20240508-en
Malware Config
Extracted
xworm
5.0
19.ip.gl.ply.gg:14513
333EKK7TuWsNmMLK
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Install_directory
%AppData%
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install_file
svchost.exe
Targets
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Target
BluestacksInstaller.exe
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Size
80KB
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MD5
7a8057b88626b927138a6ac40016ff6d
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SHA1
beda666793500c73af8e4a73bf31d4831bda1a89
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SHA256
234d2f0fab4f2399ae1c4387e9dc58a19a3ea863d82c67ab1d90378b29e7748e
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SHA512
facc80950e636c0ef6b5bf703e9d19316d616735a7b6100c5a86897f0ee1d67668623eed5fed12a1086b85ceaadf9f8cfaddb0d2d0702b385e7a0ca5a0c5ce0b
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SSDEEP
768:YifC8qTvhE50tEIDPiKuukR7L1ptTfFWPt9e26cOMhFaB2hBC:YiTqTvhOYEIbiKuumnBFe9e26cOMX9A
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Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
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Detect Xworm Payload
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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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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Executes dropped EXE
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Adds Run key to start application
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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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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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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
3Pre-OS Boot
1Bootkit
1