Analysis
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max time kernel
93s -
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
20-12-2024 10:20
Static task
static1
Behavioral task
behavioral1
Sample
c3ce51918df45e9cae14921d25c0419397003733e9ada04a33e4cde97013e2e6_Sigmanly.exe
Resource
win7-20240903-en
General
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Target
c3ce51918df45e9cae14921d25c0419397003733e9ada04a33e4cde97013e2e6_Sigmanly.exe
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Size
4.3MB
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MD5
39cb781a70f40105ffdbb75e77aa6d7f
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SHA1
79805738b703d0b7375140a0067f720f6ff5fb99
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SHA256
c3ce51918df45e9cae14921d25c0419397003733e9ada04a33e4cde97013e2e6
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SHA512
1d131ff871ee80937334672c905f8e94cb43d28e22843a7a6538cb54ec060ed01e02d48ab5569218bdb57248c6e2c7920e54ecb506f75ef7cefeb200c4587a98
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SSDEEP
98304:ZIrcGnmqWv8Zd8Ahx1D40LY9m+uigPG6itvR3yW22gKVW4G/FexOemDR90s:iBTWvAd8AhbF3+u3GltvRN7gUiPDRm
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 c3ce51918df45e9cae14921d25c0419397003733e9ada04a33e4cde97013e2e6_Sigmanly.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__ c3ce51918df45e9cae14921d25c0419397003733e9ada04a33e4cde97013e2e6_Sigmanly.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 c3ce51918df45e9cae14921d25c0419397003733e9ada04a33e4cde97013e2e6_Sigmanly.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion c3ce51918df45e9cae14921d25c0419397003733e9ada04a33e4cde97013e2e6_Sigmanly.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-1-5-21-3350944739-639801879-157714471-1000\Software\Wine c3ce51918df45e9cae14921d25c0419397003733e9ada04a33e4cde97013e2e6_Sigmanly.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 4044 c3ce51918df45e9cae14921d25c0419397003733e9ada04a33e4cde97013e2e6_Sigmanly.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 c3ce51918df45e9cae14921d25c0419397003733e9ada04a33e4cde97013e2e6_Sigmanly.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 4044 c3ce51918df45e9cae14921d25c0419397003733e9ada04a33e4cde97013e2e6_Sigmanly.exe 4044 c3ce51918df45e9cae14921d25c0419397003733e9ada04a33e4cde97013e2e6_Sigmanly.exe 4044 c3ce51918df45e9cae14921d25c0419397003733e9ada04a33e4cde97013e2e6_Sigmanly.exe 4044 c3ce51918df45e9cae14921d25c0419397003733e9ada04a33e4cde97013e2e6_Sigmanly.exe 4044 c3ce51918df45e9cae14921d25c0419397003733e9ada04a33e4cde97013e2e6_Sigmanly.exe 4044 c3ce51918df45e9cae14921d25c0419397003733e9ada04a33e4cde97013e2e6_Sigmanly.exe 4044 c3ce51918df45e9cae14921d25c0419397003733e9ada04a33e4cde97013e2e6_Sigmanly.exe 4044 c3ce51918df45e9cae14921d25c0419397003733e9ada04a33e4cde97013e2e6_Sigmanly.exe 4044 c3ce51918df45e9cae14921d25c0419397003733e9ada04a33e4cde97013e2e6_Sigmanly.exe 4044 c3ce51918df45e9cae14921d25c0419397003733e9ada04a33e4cde97013e2e6_Sigmanly.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c3ce51918df45e9cae14921d25c0419397003733e9ada04a33e4cde97013e2e6_Sigmanly.exe"C:\Users\Admin\AppData\Local\Temp\c3ce51918df45e9cae14921d25c0419397003733e9ada04a33e4cde97013e2e6_Sigmanly.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:4044