Analysis
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max time kernel
142s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
30/10/2023, 06:33
Static task
static1
Behavioral task
behavioral1
Sample
33c8669ca46003956ddaf22d90405cc768dd5ab456f5a9f260259a6c58e836f0.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
33c8669ca46003956ddaf22d90405cc768dd5ab456f5a9f260259a6c58e836f0.exe
Resource
win10v2004-20231020-en
General
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Target
33c8669ca46003956ddaf22d90405cc768dd5ab456f5a9f260259a6c58e836f0.exe
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Size
198KB
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MD5
d341ae39c67ac3aa6602b179e900f177
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SHA1
b77100fa8730c2e444bd06e1d7514a5024e4748f
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SHA256
33c8669ca46003956ddaf22d90405cc768dd5ab456f5a9f260259a6c58e836f0
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SHA512
af714017f41b622541f1b84dbb9800b616e1352f9358000d36f6a28d021b428fbe1b21fa5e0078528f309235fffd8ed89422c6c41bcb88b415b61a1d6bc272ef
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SSDEEP
6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOc:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXR
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-1-5-21-1873812795-1433807462-1429862679-1000\Control Panel\International\Geo\Nation 33c8669ca46003956ddaf22d90405cc768dd5ab456f5a9f260259a6c58e836f0.exe -
Executes dropped EXE 1 IoCs
pid Process 4596 lyghost.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\Debug\lyghost.exe 33c8669ca46003956ddaf22d90405cc768dd5ab456f5a9f260259a6c58e836f0.exe File opened for modification C:\Windows\Debug\lyghost.exe 33c8669ca46003956ddaf22d90405cc768dd5ab456f5a9f260259a6c58e836f0.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 2348 33c8669ca46003956ddaf22d90405cc768dd5ab456f5a9f260259a6c58e836f0.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2348 wrote to memory of 5104 2348 33c8669ca46003956ddaf22d90405cc768dd5ab456f5a9f260259a6c58e836f0.exe 89 PID 2348 wrote to memory of 5104 2348 33c8669ca46003956ddaf22d90405cc768dd5ab456f5a9f260259a6c58e836f0.exe 89 PID 2348 wrote to memory of 5104 2348 33c8669ca46003956ddaf22d90405cc768dd5ab456f5a9f260259a6c58e836f0.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\33c8669ca46003956ddaf22d90405cc768dd5ab456f5a9f260259a6c58e836f0.exe"C:\Users\Admin\AppData\Local\Temp\33c8669ca46003956ddaf22d90405cc768dd5ab456f5a9f260259a6c58e836f0.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2348 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\33C866~1.EXE > nul2⤵PID:5104
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C:\Windows\Debug\lyghost.exeC:\Windows\Debug\lyghost.exe1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:4596
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
198KB
MD577efa02ee53eea0b493045104250fc86
SHA122d1f4c87c383350c0155bbaf8ada03dfae1b770
SHA256c155419e0fbf1f659acf2b5636049b49c08b85df7319eb9135fd77cf9d814a3a
SHA51271b4c3a51e9a7aedc958d964d6eafb7dcb986f6e6933f6a68dab7c976eb2a4bc7a80a94983991d2db090ee8ec4aa84001412ac49cbf30e49afc00ff47bc5b6d3
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Filesize
198KB
MD577efa02ee53eea0b493045104250fc86
SHA122d1f4c87c383350c0155bbaf8ada03dfae1b770
SHA256c155419e0fbf1f659acf2b5636049b49c08b85df7319eb9135fd77cf9d814a3a
SHA51271b4c3a51e9a7aedc958d964d6eafb7dcb986f6e6933f6a68dab7c976eb2a4bc7a80a94983991d2db090ee8ec4aa84001412ac49cbf30e49afc00ff47bc5b6d3