Analysis
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max time kernel
93s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17-12-2024 21:23
Static task
static1
Behavioral task
behavioral1
Sample
9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c.exe
Resource
win7-20240729-en
General
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Target
9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c.exe
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Size
4.2MB
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MD5
3cdd95ff7c8fb061a1a077b9eed6af4f
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SHA1
f8c42713f9c7c750406dde52859ca2b0f6d8a342
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SHA256
9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c
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SHA512
9c57282f715b8f19463c071e99318ce9b00864cfcf30bbf376e827fad26240f7dbde2ccd2bcacc6813ab2fe0cb5f2534bcc298b4727253e46cab6b783466e868
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SSDEEP
98304:UHeVCefNDn4+Y8o90rPxIh1oEcbxfXLY:pNxu8i0CSV/
Malware Config
Extracted
cryptbot
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 9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c.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__ 9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c.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 9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c.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-1-5-21-2878641211-696417878-3864914810-1000\Software\Wine 9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c.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 3448 9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3824 3448 WerFault.exe 82 -
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 9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 3448 9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c.exe 3448 9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c.exe 3448 9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c.exe 3448 9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c.exe 3448 9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c.exe 3448 9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c.exe 3448 9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c.exe 3448 9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c.exe 3448 9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c.exe 3448 9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c.exe"C:\Users\Admin\AppData\Local\Temp\9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c.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:3448 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3448 -s 11362⤵
- Program crash
PID:3824
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3448 -ip 34481⤵PID:4832