Analysis
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max time kernel
142s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
30-10-2023 02:26
Static task
static1
Behavioral task
behavioral1
Sample
601d9666a7ffabf13dddab2945f011aea2f67357a9fc3aff66e19653f0c75970.exe
Resource
win7-20231025-en
Behavioral task
behavioral2
Sample
601d9666a7ffabf13dddab2945f011aea2f67357a9fc3aff66e19653f0c75970.exe
Resource
win10v2004-20231023-en
General
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Target
601d9666a7ffabf13dddab2945f011aea2f67357a9fc3aff66e19653f0c75970.exe
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Size
200KB
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MD5
774a9e511f4f5ff4a5635622b69a8667
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SHA1
fa3d25ed357d7f3865c8e30d4024d1c0ba2ad6df
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SHA256
601d9666a7ffabf13dddab2945f011aea2f67357a9fc3aff66e19653f0c75970
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SHA512
e37cddb79e7dca086f126446d59be79fbbd3c38e0ecfc14d7e4c57ede19e51deaa06a48025c890f37a1645f7db87ab332d969d8520f5ad89e631c87b20d6ca66
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SSDEEP
6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCO6:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXf
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-1-5-21-2231940048-779848787-2990559741-1000\Control Panel\International\Geo\Nation 601d9666a7ffabf13dddab2945f011aea2f67357a9fc3aff66e19653f0c75970.exe -
Executes dropped EXE 1 IoCs
pid Process 1792 guehost.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\Debug\guehost.exe 601d9666a7ffabf13dddab2945f011aea2f67357a9fc3aff66e19653f0c75970.exe File created C:\Windows\Debug\guehost.exe 601d9666a7ffabf13dddab2945f011aea2f67357a9fc3aff66e19653f0c75970.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz guehost.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 guehost.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1476 601d9666a7ffabf13dddab2945f011aea2f67357a9fc3aff66e19653f0c75970.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1476 wrote to memory of 1392 1476 601d9666a7ffabf13dddab2945f011aea2f67357a9fc3aff66e19653f0c75970.exe 87 PID 1476 wrote to memory of 1392 1476 601d9666a7ffabf13dddab2945f011aea2f67357a9fc3aff66e19653f0c75970.exe 87 PID 1476 wrote to memory of 1392 1476 601d9666a7ffabf13dddab2945f011aea2f67357a9fc3aff66e19653f0c75970.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\601d9666a7ffabf13dddab2945f011aea2f67357a9fc3aff66e19653f0c75970.exe"C:\Users\Admin\AppData\Local\Temp\601d9666a7ffabf13dddab2945f011aea2f67357a9fc3aff66e19653f0c75970.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1476 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\601D96~1.EXE > nul2⤵PID:1392
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C:\Windows\Debug\guehost.exeC:\Windows\Debug\guehost.exe1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:1792
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
200KB
MD5a903caeb2278e54c6e568754abbb151d
SHA139591964dfe44ac48364cc4b6d2c8e1d25d67fac
SHA2568d1a58f599883a316fe4aee16b734a57c9d76e7c6da11596a4864967453bee16
SHA512d352b300ccb58559a121d6e56aba3b42e0c4f9ea5c05dee615fe3a650673c5725abedad9b3626f4db45cbf5c6761a2de3430aaff66b0361900b6774acd6e4923
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Filesize
200KB
MD5a903caeb2278e54c6e568754abbb151d
SHA139591964dfe44ac48364cc4b6d2c8e1d25d67fac
SHA2568d1a58f599883a316fe4aee16b734a57c9d76e7c6da11596a4864967453bee16
SHA512d352b300ccb58559a121d6e56aba3b42e0c4f9ea5c05dee615fe3a650673c5725abedad9b3626f4db45cbf5c6761a2de3430aaff66b0361900b6774acd6e4923