Analysis
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max time kernel
92s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-01-2025 11:45
Static task
static1
Behavioral task
behavioral1
Sample
Sigmanly_085ebe5916195a08c768e279650cdaa09b11b8ceda0fad4b9a499a4a3267b461.exe
Resource
win7-20240708-en
General
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Target
Sigmanly_085ebe5916195a08c768e279650cdaa09b11b8ceda0fad4b9a499a4a3267b461.exe
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Size
4.3MB
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MD5
fbba61c61fa706eec44a022a1e9e3bac
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SHA1
74e5e5e2ad5dfba941f35c8e207cad219b9ad21d
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SHA256
085ebe5916195a08c768e279650cdaa09b11b8ceda0fad4b9a499a4a3267b461
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SHA512
75d98196ee6fdf28b074ca8a2e17d27c7b3eaa187bd0f92fb02391090974ac649d450e14c0238cebb8c629884d3f3e2c9737888deaa12dbe12187fbf03e57e72
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SSDEEP
98304:cNLH9lv77mJ/g1Ef/DPJWUUz+TE88fc9vv43AYRSjasy1UtAxa:uL/zypmo4UeuYfcy3+DtUa
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 Sigmanly_085ebe5916195a08c768e279650cdaa09b11b8ceda0fad4b9a499a4a3267b461.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__ Sigmanly_085ebe5916195a08c768e279650cdaa09b11b8ceda0fad4b9a499a4a3267b461.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\VideoBiosVersion Sigmanly_085ebe5916195a08c768e279650cdaa09b11b8ceda0fad4b9a499a4a3267b461.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Sigmanly_085ebe5916195a08c768e279650cdaa09b11b8ceda0fad4b9a499a4a3267b461.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 Sigmanly_085ebe5916195a08c768e279650cdaa09b11b8ceda0fad4b9a499a4a3267b461.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 4088 Sigmanly_085ebe5916195a08c768e279650cdaa09b11b8ceda0fad4b9a499a4a3267b461.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2680 4088 WerFault.exe 80 -
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 Sigmanly_085ebe5916195a08c768e279650cdaa09b11b8ceda0fad4b9a499a4a3267b461.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 4088 Sigmanly_085ebe5916195a08c768e279650cdaa09b11b8ceda0fad4b9a499a4a3267b461.exe 4088 Sigmanly_085ebe5916195a08c768e279650cdaa09b11b8ceda0fad4b9a499a4a3267b461.exe 4088 Sigmanly_085ebe5916195a08c768e279650cdaa09b11b8ceda0fad4b9a499a4a3267b461.exe 4088 Sigmanly_085ebe5916195a08c768e279650cdaa09b11b8ceda0fad4b9a499a4a3267b461.exe 4088 Sigmanly_085ebe5916195a08c768e279650cdaa09b11b8ceda0fad4b9a499a4a3267b461.exe 4088 Sigmanly_085ebe5916195a08c768e279650cdaa09b11b8ceda0fad4b9a499a4a3267b461.exe 4088 Sigmanly_085ebe5916195a08c768e279650cdaa09b11b8ceda0fad4b9a499a4a3267b461.exe 4088 Sigmanly_085ebe5916195a08c768e279650cdaa09b11b8ceda0fad4b9a499a4a3267b461.exe 4088 Sigmanly_085ebe5916195a08c768e279650cdaa09b11b8ceda0fad4b9a499a4a3267b461.exe 4088 Sigmanly_085ebe5916195a08c768e279650cdaa09b11b8ceda0fad4b9a499a4a3267b461.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Sigmanly_085ebe5916195a08c768e279650cdaa09b11b8ceda0fad4b9a499a4a3267b461.exe"C:\Users\Admin\AppData\Local\Temp\Sigmanly_085ebe5916195a08c768e279650cdaa09b11b8ceda0fad4b9a499a4a3267b461.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:4088 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4088 -s 8442⤵
- Program crash
PID:2680
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4088 -ip 40881⤵PID:1128