General
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Target
Bootstrapper.exe
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Size
972KB
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Sample
241004-s4cxdasdjq
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MD5
90fd25ced85fe6db28d21ae7d1f02e2c
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SHA1
e27eff4cd4d383f5c564cce2bd1aaa2ffe4ec056
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SHA256
97572bd57b08b59744e4dfe6f93fb96be4002dfe1aa78683771725401776464f
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SHA512
1c775cf8dfde037eaa98eb14088c70d74923f0f6a83030a71f2f4c1a4453f6154dab7a4aa175e429860badda3e5e0ae226f3c3e8171332f5962bf36f8aa073fa
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SSDEEP
24576:DIbp4sZotkNjFC/4qxp+k+kPFoHZvPrSMc:cvotkNjg/lhqZvG
Static task
static1
Malware Config
Targets
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Target
Bootstrapper.exe
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Size
972KB
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MD5
90fd25ced85fe6db28d21ae7d1f02e2c
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SHA1
e27eff4cd4d383f5c564cce2bd1aaa2ffe4ec056
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SHA256
97572bd57b08b59744e4dfe6f93fb96be4002dfe1aa78683771725401776464f
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SHA512
1c775cf8dfde037eaa98eb14088c70d74923f0f6a83030a71f2f4c1a4453f6154dab7a4aa175e429860badda3e5e0ae226f3c3e8171332f5962bf36f8aa073fa
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SSDEEP
24576:DIbp4sZotkNjFC/4qxp+k+kPFoHZvPrSMc:cvotkNjg/lhqZvG
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Deletes itself
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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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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Discovery
Browser Information Discovery
1Network Share Discovery
1Peripheral Device Discovery
1Query Registry
4System Information Discovery
5System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1Virtualization/Sandbox Evasion
1