General
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Target
Bootstrapper.exe
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Size
797KB
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Sample
240911-z3lapateke
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MD5
4431cc5538d39fb9c499fc0341a1db01
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SHA1
5b547b1fcb6982d79a487588534c4cc4867073c8
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SHA256
64c8d087dd78291158fa3bada9c65ad2c6aa15b8c3a25324f9e71ae81c485666
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SHA512
bb5b9a105852fc09c82c0d0872cdb907e7a44d8b9b7fd72f8474003e2e55340f74ba07d681439df935b728ea53b34dcad3cf438f8918a640ad65b65601606106
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SSDEEP
3072:UTaFZMw6CyYwC+M2FEv80IZOA/CyYwC+M2FEv80IZOA0:yhY7X2Kvh4hY7X2Kvh
Static task
static1
Behavioral task
behavioral1
Sample
Bootstrapper.exe
Resource
win11-20240802-en
Malware Config
Targets
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Target
Bootstrapper.exe
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Size
797KB
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MD5
4431cc5538d39fb9c499fc0341a1db01
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SHA1
5b547b1fcb6982d79a487588534c4cc4867073c8
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SHA256
64c8d087dd78291158fa3bada9c65ad2c6aa15b8c3a25324f9e71ae81c485666
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SHA512
bb5b9a105852fc09c82c0d0872cdb907e7a44d8b9b7fd72f8474003e2e55340f74ba07d681439df935b728ea53b34dcad3cf438f8918a640ad65b65601606106
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SSDEEP
3072:UTaFZMw6CyYwC+M2FEv80IZOA/CyYwC+M2FEv80IZOA0:yhY7X2Kvh4hY7X2Kvh
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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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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Event Triggered Execution: Image File Execution Options Injection
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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Executes dropped EXE
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Loads dropped DLL
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Legitimate hosting services abused for malware hosting/C2
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Checks system information in the registry
System information is often read in order to detect sandboxing environments.
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Enumerates processes with tasklist
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Suspicious use of NtCreateThreadExHideFromDebugger
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Event Triggered Execution
2Component Object Model Hijacking
1Image File Execution Options Injection
1Privilege Escalation
Event Triggered Execution
2Component Object Model Hijacking
1Image File Execution Options Injection
1Defense Evasion
Modify Registry
2Subvert Trust Controls
1SIP and Trust Provider Hijacking
1Virtualization/Sandbox Evasion
1Discovery
Browser Information Discovery
1Network Share Discovery
1Peripheral Device Discovery
1Process Discovery
1Query Registry
7Remote System Discovery
1System Information Discovery
7System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1Virtualization/Sandbox Evasion
1