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Analysis
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max time kernel
154s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230831-en -
resource tags
arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system -
submitted
01/09/2023, 11:23
Static task
static1
Behavioral task
behavioral1
Sample
6e80f7fabd84b71ffd08f7acff844510432d228e60c0ca23b0b25cf3edcdc225.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
6e80f7fabd84b71ffd08f7acff844510432d228e60c0ca23b0b25cf3edcdc225.exe
Resource
win10v2004-20230831-en
General
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Target
6e80f7fabd84b71ffd08f7acff844510432d228e60c0ca23b0b25cf3edcdc225.exe
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Size
198KB
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MD5
ad024551486bdff96a1f73d4a7104fbe
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SHA1
183eff19fe684ca600794d2bfcf3df7665d24250
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SHA256
6e80f7fabd84b71ffd08f7acff844510432d228e60c0ca23b0b25cf3edcdc225
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SHA512
e9c9c94afacbc6a8ccca271926deab1e13b967652f0268702509ce8e0ccd4926f500901afa7c6ab22a372bd33787c4d681c53f698e9fae2033bc96a08a25198a
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SSDEEP
6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOo:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXd
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-1-5-21-1859779917-101786662-3680946609-1000\Control Panel\International\Geo\Nation 6e80f7fabd84b71ffd08f7acff844510432d228e60c0ca23b0b25cf3edcdc225.exe -
Executes dropped EXE 1 IoCs
pid Process 4756 lyghost.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\Debug\lyghost.exe 6e80f7fabd84b71ffd08f7acff844510432d228e60c0ca23b0b25cf3edcdc225.exe File opened for modification C:\Windows\Debug\lyghost.exe 6e80f7fabd84b71ffd08f7acff844510432d228e60c0ca23b0b25cf3edcdc225.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 lyghost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz lyghost.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2336 6e80f7fabd84b71ffd08f7acff844510432d228e60c0ca23b0b25cf3edcdc225.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2336 wrote to memory of 4116 2336 6e80f7fabd84b71ffd08f7acff844510432d228e60c0ca23b0b25cf3edcdc225.exe 80 PID 2336 wrote to memory of 4116 2336 6e80f7fabd84b71ffd08f7acff844510432d228e60c0ca23b0b25cf3edcdc225.exe 80 PID 2336 wrote to memory of 4116 2336 6e80f7fabd84b71ffd08f7acff844510432d228e60c0ca23b0b25cf3edcdc225.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\6e80f7fabd84b71ffd08f7acff844510432d228e60c0ca23b0b25cf3edcdc225.exe"C:\Users\Admin\AppData\Local\Temp\6e80f7fabd84b71ffd08f7acff844510432d228e60c0ca23b0b25cf3edcdc225.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2336 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\6E80F7~1.EXE > nul2⤵PID:4116
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C:\Windows\Debug\lyghost.exeC:\Windows\Debug\lyghost.exe1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:4756
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
198KB
MD586270e4b848203634f10efa5b9456890
SHA1acf790e4583ac3ec9ca993ac19bfa329d91ddb69
SHA256e6ba75a74ae79c6838376f5f73142edda68b03f8df9d6baee473ba6c75185b28
SHA51290290bd4d59ffc825f1158d081823eaf89309c4a025b5562931d46ee148b17735315067ff1c2997a4b200c6031bca06968bb9bbc7475a56710397b47e8376282
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Filesize
198KB
MD586270e4b848203634f10efa5b9456890
SHA1acf790e4583ac3ec9ca993ac19bfa329d91ddb69
SHA256e6ba75a74ae79c6838376f5f73142edda68b03f8df9d6baee473ba6c75185b28
SHA51290290bd4d59ffc825f1158d081823eaf89309c4a025b5562931d46ee148b17735315067ff1c2997a4b200c6031bca06968bb9bbc7475a56710397b47e8376282