Resubmissions
02-08-2024 17:04
240802-vlaqeascmj 10General
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Target
SloroBootstrapper.exe
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Size
36.6MB
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Sample
240802-vlaqeascmj
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MD5
46709edf42b1b832c23baae96a3f97ba
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SHA1
c26c39cdbbaa987d77318e476335e49e75855679
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SHA256
8086614336a15f4cf834ede34b8b1e0bafb0be71c436baabbac9bbd2de348caa
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SHA512
824bc9676aed8ea01be0335ddfa35cb2caeda92d155bf40f2c9df1977619779258723fe0bc36018a94e6f783e157ec75d6cc3dfde2d658968175b72e2d8e58e6
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SSDEEP
786432:I9Z9HcRl0ph7vDldbTO5zcY876uFlvfXee7K8vCW8zlTT0TnFKg/YFrhaSe+:qvHcRl0ph7vBdfME7FFlHFudW4ViodfO
Behavioral task
behavioral1
Sample
SloroBootstrapper.exe
Resource
win11-20240802-en
Malware Config
Targets
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Target
SloroBootstrapper.exe
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Size
36.6MB
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MD5
46709edf42b1b832c23baae96a3f97ba
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SHA1
c26c39cdbbaa987d77318e476335e49e75855679
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SHA256
8086614336a15f4cf834ede34b8b1e0bafb0be71c436baabbac9bbd2de348caa
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SHA512
824bc9676aed8ea01be0335ddfa35cb2caeda92d155bf40f2c9df1977619779258723fe0bc36018a94e6f783e157ec75d6cc3dfde2d658968175b72e2d8e58e6
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SSDEEP
786432:I9Z9HcRl0ph7vDldbTO5zcY876uFlvfXee7K8vCW8zlTT0TnFKg/YFrhaSe+:qvHcRl0ph7vBdfME7FFlHFudW4ViodfO
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Enumerates VirtualBox DLL files
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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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Downloads MZ/PE file
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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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Legitimate hosting services abused for malware hosting/C2
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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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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Modify Registry
1Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1SIP and Trust Provider Hijacking
1Virtualization/Sandbox Evasion
1