Analysis
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max time kernel
76s -
max time network
77s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
09-08-2024 11:52
Static task
static1
Behavioral task
behavioral1
Sample
Bloxstrap-v2.7.0.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
Bloxstrap-v2.7.0.exe
Resource
win10v2004-20240802-en
General
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Target
Bloxstrap-v2.7.0.exe
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Size
10.1MB
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MD5
2c752edef5b0aa0962a3e01c4c82a2fa
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SHA1
9c3afd1c63f2b0dbdc2dc487709471222d2cb81e
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SHA256
891846bf656253ca1cdd28584a28681e9604e2a03d74cd6b99313e3bff11daf8
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SHA512
04d25fe7d40c8c320ffc545a038ad6ea458df6a8a552b0e0393b369a03b9bf273c72f30169bd54e8eb10757c04bdddf3859c601c1eb9e1a12fe4d15658906dfe
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SSDEEP
98304:TYd5DQd5Dk9Tsed5DogTrBKvGWD3nIOYoHwfLk3vSmaR0+Mc4AN0edaAHDfysrT4:Tasx3vG6IObAbN0T
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation Bloxstrap-v2.7.0.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 5112 EXCEL.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2236 Bloxstrap-v2.7.0.exe -
Suspicious use of SetWindowsHookEx 9 IoCs
pid Process 5112 EXCEL.EXE 5112 EXCEL.EXE 5112 EXCEL.EXE 5112 EXCEL.EXE 5112 EXCEL.EXE 5112 EXCEL.EXE 5112 EXCEL.EXE 5112 EXCEL.EXE 5112 EXCEL.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\Bloxstrap-v2.7.0.exe"C:\Users\Admin\AppData\Local\Temp\Bloxstrap-v2.7.0.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
PID:2236
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\Desktop\UnprotectAdd.ods"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:5112