Analysis
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max time kernel
164s -
max time network
171s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
12/10/2023, 14:31
Static task
static1
Behavioral task
behavioral1
Sample
b638b82fd8e8ca1d087c8432bc9822dc0ff0f3ec786a2e321ad9c86ae94f0cd0.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
b638b82fd8e8ca1d087c8432bc9822dc0ff0f3ec786a2e321ad9c86ae94f0cd0.exe
Resource
win10v2004-20230915-en
General
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Target
b638b82fd8e8ca1d087c8432bc9822dc0ff0f3ec786a2e321ad9c86ae94f0cd0.exe
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Size
6.4MB
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MD5
fc8ca7266c8b3c414af57472933714f4
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SHA1
d1d38c5e7af3689527e79d12c0af74046d448feb
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SHA256
b638b82fd8e8ca1d087c8432bc9822dc0ff0f3ec786a2e321ad9c86ae94f0cd0
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SHA512
8ece373b7a3c6ee77358b1e34e7c3a252b550d08b33b5ba0fa55e518fd9c047fa4f66dd5db974c78a9b50205fd58d2fe9d4bf3ec9d6893418e0353c151d43346
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SSDEEP
196608:My4mzIIwKI7aGar5gKhWkggooQg3PR7vT9:MyLz7lQahgVkggooQg3PR7vT9
Malware Config
Signatures
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Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion b638b82fd8e8ca1d087c8432bc9822dc0ff0f3ec786a2e321ad9c86ae94f0cd0.exe -
Loads dropped DLL 1 IoCs
pid Process 4892 b638b82fd8e8ca1d087c8432bc9822dc0ff0f3ec786a2e321ad9c86ae94f0cd0.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 13 IoCs
pid Process 4892 b638b82fd8e8ca1d087c8432bc9822dc0ff0f3ec786a2e321ad9c86ae94f0cd0.exe 4892 b638b82fd8e8ca1d087c8432bc9822dc0ff0f3ec786a2e321ad9c86ae94f0cd0.exe 4892 b638b82fd8e8ca1d087c8432bc9822dc0ff0f3ec786a2e321ad9c86ae94f0cd0.exe 4892 b638b82fd8e8ca1d087c8432bc9822dc0ff0f3ec786a2e321ad9c86ae94f0cd0.exe 4892 b638b82fd8e8ca1d087c8432bc9822dc0ff0f3ec786a2e321ad9c86ae94f0cd0.exe 4892 b638b82fd8e8ca1d087c8432bc9822dc0ff0f3ec786a2e321ad9c86ae94f0cd0.exe 4892 b638b82fd8e8ca1d087c8432bc9822dc0ff0f3ec786a2e321ad9c86ae94f0cd0.exe 4892 b638b82fd8e8ca1d087c8432bc9822dc0ff0f3ec786a2e321ad9c86ae94f0cd0.exe 4892 b638b82fd8e8ca1d087c8432bc9822dc0ff0f3ec786a2e321ad9c86ae94f0cd0.exe 4892 b638b82fd8e8ca1d087c8432bc9822dc0ff0f3ec786a2e321ad9c86ae94f0cd0.exe 4892 b638b82fd8e8ca1d087c8432bc9822dc0ff0f3ec786a2e321ad9c86ae94f0cd0.exe 4892 b638b82fd8e8ca1d087c8432bc9822dc0ff0f3ec786a2e321ad9c86ae94f0cd0.exe 4892 b638b82fd8e8ca1d087c8432bc9822dc0ff0f3ec786a2e321ad9c86ae94f0cd0.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS b638b82fd8e8ca1d087c8432bc9822dc0ff0f3ec786a2e321ad9c86ae94f0cd0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer b638b82fd8e8ca1d087c8432bc9822dc0ff0f3ec786a2e321ad9c86ae94f0cd0.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b638b82fd8e8ca1d087c8432bc9822dc0ff0f3ec786a2e321ad9c86ae94f0cd0.exe"C:\Users\Admin\AppData\Local\Temp\b638b82fd8e8ca1d087c8432bc9822dc0ff0f3ec786a2e321ad9c86ae94f0cd0.exe"1⤵
- Checks BIOS information in registry
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Enumerates system info in registry
PID:4892
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1024B
MD512871388b682b159ddd85545302a289d
SHA176b47377da188fcfddeefa0f940287f1cce9885d
SHA256cc033f00e96cae1829e3a5c15150fe68a62f65440f1b158d9257370fbc488a9b
SHA512d60953b62d08e52fa2860db257e2bdbaa97e7eff7007617857f7b30a76f7c7ba81f8444d313a6ad496adbbaede5af1661e72522046789bb9aee1340f7ac12c7d