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Analysis
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max time kernel
147s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
13/10/2023, 03:27
Static task
static1
Behavioral task
behavioral1
Sample
deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1.exe
Resource
win10v2004-20230915-en
General
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Target
deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1.exe
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Size
198KB
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MD5
5e58df9889d5529a7d0f99e689f4897e
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SHA1
44b47008d2f4f79c9af013cdc6dec29e21d49589
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SHA256
deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1
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SHA512
39843678cc1bc5de2ce0944f271c4362e051d45f8f0f4101cd67f36591459a25ff0ee788b8c0456f19cbd01f2b67d3d534ede39eeccfc0b2a92dc10a650ee561
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SSDEEP
6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCO7:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXC
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-1-5-21-1926387074-3400613176-3566796709-1000\Control Panel\International\Geo\Nation deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1.exe -
Executes dropped EXE 1 IoCs
pid Process 1912 zewhost.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\Debug\zewhost.exe deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1.exe File opened for modification C:\Windows\Debug\zewhost.exe deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1.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 zewhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz zewhost.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3640 deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3640 wrote to memory of 2876 3640 deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1.exe 84 PID 3640 wrote to memory of 2876 3640 deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1.exe 84 PID 3640 wrote to memory of 2876 3640 deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1.exe"C:\Users\Admin\AppData\Local\Temp\deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3640 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\DEB2E3~1.EXE > nul2⤵PID:2876
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C:\Windows\Debug\zewhost.exeC:\Windows\Debug\zewhost.exe1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:1912
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
198KB
MD5732d8eb7f60e695e46adbe23cdcab3b1
SHA1e481fdd09e7395b53a6c2c5d4a5fd1ffb0b30b16
SHA25697cedc6add8e2bee8f4cfb2dfe2af134b1dff8ee0095e295f31b2d34b1093573
SHA512af9c98065778745ff3c7324d8dec384f8f6d50481899031493e059437eb993639fc34f9e425cbf474fe457e79840e07c8b6db013284e2d69f2214ecd7942fd0b
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Filesize
198KB
MD5732d8eb7f60e695e46adbe23cdcab3b1
SHA1e481fdd09e7395b53a6c2c5d4a5fd1ffb0b30b16
SHA25697cedc6add8e2bee8f4cfb2dfe2af134b1dff8ee0095e295f31b2d34b1093573
SHA512af9c98065778745ff3c7324d8dec384f8f6d50481899031493e059437eb993639fc34f9e425cbf474fe457e79840e07c8b6db013284e2d69f2214ecd7942fd0b