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Analysis
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max time kernel
141s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
03/02/2024, 12:32
Static task
static1
Behavioral task
behavioral1
Sample
06ddeb04e4fef4e2b29ea0b40ec321331bd386ace4168904f6f7a06af24f4c2d.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
06ddeb04e4fef4e2b29ea0b40ec321331bd386ace4168904f6f7a06af24f4c2d.exe
Resource
win10v2004-20231222-en
General
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Target
06ddeb04e4fef4e2b29ea0b40ec321331bd386ace4168904f6f7a06af24f4c2d.exe
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Size
196KB
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MD5
b6320aa4e369a22f4571a976171f627a
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SHA1
ce8a65d712e6b49f57040ed308efcd914811995e
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SHA256
06ddeb04e4fef4e2b29ea0b40ec321331bd386ace4168904f6f7a06af24f4c2d
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SHA512
55319a87d3c279e4ba68aa988018582790e328d22feba567ba7a67223849e435df72d00b3064076814020727fc336d99cb5cd5d6fd947349ab35d8b88d82ba7f
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SSDEEP
6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOP:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXK
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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation 06ddeb04e4fef4e2b29ea0b40ec321331bd386ace4168904f6f7a06af24f4c2d.exe -
Executes dropped EXE 1 IoCs
pid Process 3856 puehost.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\Debug\puehost.exe 06ddeb04e4fef4e2b29ea0b40ec321331bd386ace4168904f6f7a06af24f4c2d.exe File opened for modification C:\Windows\Debug\puehost.exe 06ddeb04e4fef4e2b29ea0b40ec321331bd386ace4168904f6f7a06af24f4c2d.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 puehost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz puehost.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2772 06ddeb04e4fef4e2b29ea0b40ec321331bd386ace4168904f6f7a06af24f4c2d.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2772 wrote to memory of 4684 2772 06ddeb04e4fef4e2b29ea0b40ec321331bd386ace4168904f6f7a06af24f4c2d.exe 88 PID 2772 wrote to memory of 4684 2772 06ddeb04e4fef4e2b29ea0b40ec321331bd386ace4168904f6f7a06af24f4c2d.exe 88 PID 2772 wrote to memory of 4684 2772 06ddeb04e4fef4e2b29ea0b40ec321331bd386ace4168904f6f7a06af24f4c2d.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\06ddeb04e4fef4e2b29ea0b40ec321331bd386ace4168904f6f7a06af24f4c2d.exe"C:\Users\Admin\AppData\Local\Temp\06ddeb04e4fef4e2b29ea0b40ec321331bd386ace4168904f6f7a06af24f4c2d.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2772 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\06DDEB~1.EXE > nul2⤵PID:4684
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C:\Windows\Debug\puehost.exeC:\Windows\Debug\puehost.exe1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:3856
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
196KB
MD5623bee5d6e8003ad9802266924df9e14
SHA17bab297e44b63cd623c0b2da5741b64b9dd3269e
SHA256d4c5196b2ee868f5b379b0f0c6f7de27b4324170eb102aa44ff20659b5a8f1b0
SHA512afb6492d46b2c757c1b8d555a7b375a0d7bf48e726a868c7e22fcc8490d6e993ab97c90070f4dba501d12fdaa8bfc16bd0216ccbc29eda1aa9db944093cc7145