General
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Target
BootstrapperV1.17.exe
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Size
796KB
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Sample
240901-wc2yzaxhpa
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MD5
4b94b989b0fe7bec6311153b309dfe81
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SHA1
bb50a4bb8a66f0105c5b74f32cd114c672010b22
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SHA256
7c4283f5e620b2506bcb273f947def4435d95e143ae3067a783fd3adc873a659
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SHA512
fbbe60cf3e5d028d906e7d444b648f7dff8791c333834db8119e0a950532a75fda2e9bd5948f0b210904667923eb7b2c0176140babc497955d227e7d80fb109d
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SSDEEP
12288:jHeLH6iTPSE54sgweI9oaQaj3T+piq+77xOZ+eMm:jHeLHdTSEeyoaQaj3apiq+77xd
Static task
static1
Behavioral task
behavioral1
Sample
BootstrapperV1.17.exe
Resource
win11-20240802-en
Malware Config
Targets
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Target
BootstrapperV1.17.exe
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Size
796KB
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MD5
4b94b989b0fe7bec6311153b309dfe81
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SHA1
bb50a4bb8a66f0105c5b74f32cd114c672010b22
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SHA256
7c4283f5e620b2506bcb273f947def4435d95e143ae3067a783fd3adc873a659
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SHA512
fbbe60cf3e5d028d906e7d444b648f7dff8791c333834db8119e0a950532a75fda2e9bd5948f0b210904667923eb7b2c0176140babc497955d227e7d80fb109d
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SSDEEP
12288:jHeLH6iTPSE54sgweI9oaQaj3T+piq+77xOZ+eMm:jHeLHdTSEeyoaQaj3apiq+77xd
Score9/10-
Identifies VirtualBox via ACPI registry values (likely anti-VM)
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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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Executes dropped EXE
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Loads dropped DLL
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Blocklisted process makes network request
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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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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Defense Evasion
Subvert Trust Controls
1SIP and Trust Provider Hijacking
1Virtualization/Sandbox Evasion
1Discovery
Browser Information Discovery
1Network Share Discovery
1Peripheral Device Discovery
1Query Registry
5System Information Discovery
6System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1Virtualization/Sandbox Evasion
1