Analysis
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max time kernel
20s -
max time network
22s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
14-10-2024 17:22
General
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Target
ChGU5RnFz8dRwXkW.exe
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Size
3.8MB
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MD5
304b06be0d224a3701ef8a6566f990c9
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SHA1
37dc9c23b41b7d1095669e9e79590239cbb77a4e
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SHA256
e278b0488f81f2e9f3cb45e6d11f480f0123424d729a9252ad26b31f13c729ef
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SHA512
d1e7e3477c16aa35b09b6555783fc1c8f7005226ab9037eb46aad7bcf70a97b496ac816ff8fb64ed5df0bfc7f8454b4ad41e070c59bcacb5c0d3150d5a80060a
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SSDEEP
49152:GgbjC6wsE/Plh5l5Q8rjKSh4Z31W19oDeLuXE9lmQHkcflkWQdIhf3T9QPMIfCbZ:GgPT6lE8KShQ1W7B9tJ2L2hf3TmfEuXc
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ChGU5RnFz8dRwXkW.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ChGU5RnFz8dRwXkW.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ChGU5RnFz8dRwXkW.exe -
resource yara_rule behavioral1/memory/4844-0-0x00007FF656B50000-0x00007FF657552000-memory.dmp themida behavioral1/memory/4844-2-0x00007FF656B50000-0x00007FF657552000-memory.dmp themida behavioral1/memory/4844-3-0x00007FF656B50000-0x00007FF657552000-memory.dmp themida behavioral1/memory/4844-4-0x00007FF656B50000-0x00007FF657552000-memory.dmp themida behavioral1/memory/4844-5-0x00007FF656B50000-0x00007FF657552000-memory.dmp themida behavioral1/memory/4844-6-0x00007FF656B50000-0x00007FF657552000-memory.dmp themida behavioral1/memory/4844-9-0x00007FF656B50000-0x00007FF657552000-memory.dmp themida behavioral1/memory/4844-10-0x00007FF656B50000-0x00007FF657552000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ChGU5RnFz8dRwXkW.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 4844 ChGU5RnFz8dRwXkW.exe -
cURL User-Agent 1 IoCs
Uses User-Agent string associated with cURL utility.
description flow ioc HTTP User-Agent header 30 curl/8.4.0-DEV
Processes
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C:\Users\Admin\AppData\Local\Temp\ChGU5RnFz8dRwXkW.exe"C:\Users\Admin\AppData\Local\Temp\ChGU5RnFz8dRwXkW.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:4844