Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31-12-2024 08:45
Static task
static1
Behavioral task
behavioral1
Sample
27b03055c39daab2ce7ae0c5a369f0f1.exe
Resource
win7-20240708-en
General
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Target
27b03055c39daab2ce7ae0c5a369f0f1.exe
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Size
4.3MB
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MD5
27b03055c39daab2ce7ae0c5a369f0f1
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SHA1
51c5eb4f2e29c659403437063502a061945265de
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SHA256
f2d3aa2010aa17c79bd549f081efe1ef635b8e12ae150f200f8d2769b960bd4b
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SHA512
c9054103e7798857acc2b6eea95c42c3152868cb1e6d40fafcf022139918fbc96839a613bc0287275a72da32bd43ca5c36ec47f3c00769015261e62ad95ad173
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SSDEEP
98304:NgKUrhtOfgod4ca/ljPU1uyUPL349JjFKLj74:NUteduljs1ubPL349Ujs
Malware Config
Extracted
cryptbot
http://home.fiveth5vs.top/KhxTILlSHLygUudVWlQk1735
Signatures
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Cryptbot family
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Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF 27b03055c39daab2ce7ae0c5a369f0f1.exe -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 27b03055c39daab2ce7ae0c5a369f0f1.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 27b03055c39daab2ce7ae0c5a369f0f1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 27b03055c39daab2ce7ae0c5a369f0f1.exe -
Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine 27b03055c39daab2ce7ae0c5a369f0f1.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 4000 27b03055c39daab2ce7ae0c5a369f0f1.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 27b03055c39daab2ce7ae0c5a369f0f1.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 4000 27b03055c39daab2ce7ae0c5a369f0f1.exe 4000 27b03055c39daab2ce7ae0c5a369f0f1.exe 4000 27b03055c39daab2ce7ae0c5a369f0f1.exe 4000 27b03055c39daab2ce7ae0c5a369f0f1.exe 4000 27b03055c39daab2ce7ae0c5a369f0f1.exe 4000 27b03055c39daab2ce7ae0c5a369f0f1.exe 4000 27b03055c39daab2ce7ae0c5a369f0f1.exe 4000 27b03055c39daab2ce7ae0c5a369f0f1.exe 4000 27b03055c39daab2ce7ae0c5a369f0f1.exe 4000 27b03055c39daab2ce7ae0c5a369f0f1.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\27b03055c39daab2ce7ae0c5a369f0f1.exe"C:\Users\Admin\AppData\Local\Temp\27b03055c39daab2ce7ae0c5a369f0f1.exe"1⤵
- Enumerates VirtualBox registry keys
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4000