General
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Target
Bootstrapper.exe
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Size
800KB
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Sample
241113-h2mnpaxfkp
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MD5
2a4dcf20b82896be94eb538260c5fb93
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SHA1
21f232c2fd8132f8677e53258562ad98b455e679
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SHA256
ebbcb489171abfcfce56554dbaeacd22a15838391cbc7c756db02995129def5a
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SHA512
4f1164b2312fb94b7030d6eb6aa9f3502912ffa33505f156443570fc964bfd3bb21ded3cf84092054e07346d2dce83a0907ba33f4ba39ad3fe7a78e836efe288
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SSDEEP
12288:t0zVvgDNMoWjTmFzAzBocaKjyWtiR1pptHxQ0z:O5vgHWjTwAlocaKjyyItHDz
Static task
static1
Malware Config
Targets
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Target
Bootstrapper.exe
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Size
800KB
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MD5
2a4dcf20b82896be94eb538260c5fb93
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SHA1
21f232c2fd8132f8677e53258562ad98b455e679
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SHA256
ebbcb489171abfcfce56554dbaeacd22a15838391cbc7c756db02995129def5a
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SHA512
4f1164b2312fb94b7030d6eb6aa9f3502912ffa33505f156443570fc964bfd3bb21ded3cf84092054e07346d2dce83a0907ba33f4ba39ad3fe7a78e836efe288
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SSDEEP
12288:t0zVvgDNMoWjTmFzAzBocaKjyWtiR1pptHxQ0z:O5vgHWjTwAlocaKjyyItHDz
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Downloads MZ/PE file
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A potential corporate email address has been identified in the URL: [email protected]
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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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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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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
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
4System Information Discovery
6System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1Virtualization/Sandbox Evasion
1