General
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Target
GREGUM RP.exe
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Size
8.5MB
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Sample
240727-s55c1swemp
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MD5
f0283045ebe61c29a7297578891e88f8
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SHA1
9d82c3bf276aa7f2dfad18081994cde34dd4e1bc
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SHA256
c56a975a6d250f3205cf48ea777e2aa46a1d6a785b98d2a1646c7c5ae43b498f
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SHA512
9e8285e606134eaa894cb604a4922ebef914b737614b05f03d4ba4df3faaa40981bb9c18828c984b98c12d56cc20377b35c309989c8f3642c08078a59bb21f7c
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SSDEEP
196608:7kfRhsNR830dn7RhHIcz/d5X+OAjeQwmU5D:AfwK+3HzzVdF0eV5
Static task
static1
Behavioral task
behavioral1
Sample
GREGUM RP.exe
Resource
win7-20240708-en
Malware Config
Targets
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Target
GREGUM RP.exe
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Size
8.5MB
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MD5
f0283045ebe61c29a7297578891e88f8
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SHA1
9d82c3bf276aa7f2dfad18081994cde34dd4e1bc
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SHA256
c56a975a6d250f3205cf48ea777e2aa46a1d6a785b98d2a1646c7c5ae43b498f
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SHA512
9e8285e606134eaa894cb604a4922ebef914b737614b05f03d4ba4df3faaa40981bb9c18828c984b98c12d56cc20377b35c309989c8f3642c08078a59bb21f7c
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SSDEEP
196608:7kfRhsNR830dn7RhHIcz/d5X+OAjeQwmU5D:AfwK+3HzzVdF0eV5
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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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Suspicious use of NtCreateThreadExHideFromDebugger
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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