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Analysis
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max time kernel
148s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2023, 01:22
Behavioral task
behavioral1
Sample
cb5881d774e317c33dc565c487a4c90c528e2bc0b44449e42cdb8698607a17e3.exe
Resource
win7-20231215-en
General
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Target
cb5881d774e317c33dc565c487a4c90c528e2bc0b44449e42cdb8698607a17e3.exe
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Size
5.1MB
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MD5
5fff0709172509f29c34878d8fecd346
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SHA1
68c70307ac1182d7c9711c35574a8330def881c0
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SHA256
cb5881d774e317c33dc565c487a4c90c528e2bc0b44449e42cdb8698607a17e3
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SHA512
3a3495769b9ad0f1d25f73d4317cd4e57b8ce8386f129015b495a1a918690e3aed6cfe5f5aa645b7216e5dcf2a733de8d09957532d1127da468bbd831819afeb
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SSDEEP
98304:WsZhPs5DXd8UqpNl92eV3VGehLVH/coFZKAJay8sqFRz4j1Jqh9PJ8nrOW:WeqlSUqpNj2YL50wZKaaBz43Y9PuR
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__ cb5881d774e317c33dc565c487a4c90c528e2bc0b44449e42cdb8698607a17e3.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 cb5881d774e317c33dc565c487a4c90c528e2bc0b44449e42cdb8698607a17e3.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion cb5881d774e317c33dc565c487a4c90c528e2bc0b44449e42cdb8698607a17e3.exe -
resource yara_rule behavioral2/memory/4008-0-0x00007FF625400000-0x00007FF62613E000-memory.dmp themida behavioral2/memory/4008-2-0x00007FF625400000-0x00007FF62613E000-memory.dmp themida behavioral2/memory/4008-3-0x00007FF625400000-0x00007FF62613E000-memory.dmp themida behavioral2/memory/4008-4-0x00007FF625400000-0x00007FF62613E000-memory.dmp themida behavioral2/memory/4008-5-0x00007FF625400000-0x00007FF62613E000-memory.dmp themida behavioral2/memory/4008-6-0x00007FF625400000-0x00007FF62613E000-memory.dmp themida behavioral2/memory/4008-7-0x00007FF625400000-0x00007FF62613E000-memory.dmp themida behavioral2/memory/4008-8-0x00007FF625400000-0x00007FF62613E000-memory.dmp themida behavioral2/memory/4008-9-0x00007FF625400000-0x00007FF62613E000-memory.dmp themida behavioral2/memory/4008-10-0x00007FF625400000-0x00007FF62613E000-memory.dmp themida behavioral2/memory/4008-12-0x00007FF625400000-0x00007FF62613E000-memory.dmp themida behavioral2/memory/4008-13-0x00007FF625400000-0x00007FF62613E000-memory.dmp themida behavioral2/memory/4008-15-0x00007FF625400000-0x00007FF62613E000-memory.dmp themida behavioral2/memory/4008-16-0x00007FF625400000-0x00007FF62613E000-memory.dmp themida behavioral2/memory/4008-17-0x00007FF625400000-0x00007FF62613E000-memory.dmp themida behavioral2/memory/4008-18-0x00007FF625400000-0x00007FF62613E000-memory.dmp themida behavioral2/memory/4008-19-0x00007FF625400000-0x00007FF62613E000-memory.dmp themida behavioral2/memory/4008-21-0x00007FF625400000-0x00007FF62613E000-memory.dmp themida behavioral2/memory/4008-22-0x00007FF625400000-0x00007FF62613E000-memory.dmp themida behavioral2/memory/4008-23-0x00007FF625400000-0x00007FF62613E000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA cb5881d774e317c33dc565c487a4c90c528e2bc0b44449e42cdb8698607a17e3.exe -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 4008 cb5881d774e317c33dc565c487a4c90c528e2bc0b44449e42cdb8698607a17e3.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4008 cb5881d774e317c33dc565c487a4c90c528e2bc0b44449e42cdb8698607a17e3.exe 4008 cb5881d774e317c33dc565c487a4c90c528e2bc0b44449e42cdb8698607a17e3.exe -
cURL User-Agent 1 IoCs
Uses User-Agent string associated with cURL utility.
description flow ioc HTTP User-Agent header 28 curl/8.4.0
Processes
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C:\Users\Admin\AppData\Local\Temp\cb5881d774e317c33dc565c487a4c90c528e2bc0b44449e42cdb8698607a17e3.exe"C:\Users\Admin\AppData\Local\Temp\cb5881d774e317c33dc565c487a4c90c528e2bc0b44449e42cdb8698607a17e3.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:4008