General
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Target
Bootstrapper(2).exe
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Size
795KB
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Sample
240726-1t7m1azhkg
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MD5
a7f3293b177a63f6c50b5560e729cbff
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SHA1
4885073e4881cffc5c5155de720aa65755418fe8
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SHA256
da17868f107954124c0953fd1cb37ac8ed4e78460905e83d6402b966a77ee7dc
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SHA512
70b3431b238457a24e66914d0059e7e8e2dc4f79ac49c9a9c510214b8bc1279af6947288442060ac02c3cf3c863c144ef95219006097d2e59183586f7f701438
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SSDEEP
12288:Hs0xF36Z1LyI6QQsJNOoRQ1jt/Nppxu29CHWzO:xxJ6Z1L5J8oRQ1jt/Nppxv9C2
Static task
static1
Malware Config
Targets
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Target
Bootstrapper(2).exe
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Size
795KB
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MD5
a7f3293b177a63f6c50b5560e729cbff
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SHA1
4885073e4881cffc5c5155de720aa65755418fe8
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SHA256
da17868f107954124c0953fd1cb37ac8ed4e78460905e83d6402b966a77ee7dc
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SHA512
70b3431b238457a24e66914d0059e7e8e2dc4f79ac49c9a9c510214b8bc1279af6947288442060ac02c3cf3c863c144ef95219006097d2e59183586f7f701438
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SSDEEP
12288:Hs0xF36Z1LyI6QQsJNOoRQ1jt/Nppxu29CHWzO:xxJ6Z1L5J8oRQ1jt/Nppxv9C2
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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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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 Matrix ATT&CK v13
Discovery
Query Registry
4Virtualization/Sandbox Evasion
1System Information Discovery
5Peripheral Device Discovery
1Network Share Discovery
1System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1