Analysis
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max time kernel
91s -
max time network
110s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
29-10-2022 13:34
Static task
static1
Behavioral task
behavioral1
Sample
877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe
Resource
win7-20220812-en
General
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Target
877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe
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Size
1.4MB
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MD5
bb268161fb4f9278eddd54f2eb8086ee
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SHA1
b440bd9bdad2ff4138e99d7c8e14b706e7db546e
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SHA256
877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0
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SHA512
39324ad93b6bdadc53a2454f64fab936539d47ee53f6ff6fe448c489c47d696909fb5c5c40b3a948e0e92d3fd878250b7fcf31d564a06eb3a8503ad5c2b88535
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SSDEEP
24576:NNmF/mnBoDM5f7F2XQRKZk+61i5cCPWZj+VhyDvsuxxQ/zhmLSiVVloZy4/w:NYVZo5TcXQqk+61i5cYWZjSEUqq/5iV1
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
ms.exepid process 476 ms.exe -
Possible privilege escalation attempt 2 IoCs
Processes:
takeown.exeicacls.exepid process 1488 takeown.exe 5016 icacls.exe -
Modifies file permissions 1 TTPs 2 IoCs
Processes:
takeown.exeicacls.exepid process 1488 takeown.exe 5016 icacls.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Windows directory 2 IoCs
Processes:
877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exedescription ioc process File opened for modification C:\WINDOWS\Bef.tmp 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe File opened for modification C:\Windows\yre.tmp 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exepid process 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
takeown.exedescription pid process Token: SeTakeOwnershipPrivilege 1488 takeown.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
ms.exepid process 476 ms.exe 476 ms.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exems.exedescription pid process target process PID 2060 wrote to memory of 476 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe ms.exe PID 2060 wrote to memory of 476 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe ms.exe PID 2060 wrote to memory of 476 2060 877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe ms.exe PID 476 wrote to memory of 1488 476 ms.exe takeown.exe PID 476 wrote to memory of 1488 476 ms.exe takeown.exe PID 476 wrote to memory of 5016 476 ms.exe icacls.exe PID 476 wrote to memory of 5016 476 ms.exe icacls.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe"C:\Users\Admin\AppData\Local\Temp\877d44c06794eeae040dc0650f8eb6c75295c9fae71e2c4595cf9e17e5ce99d0.exe"1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\ms.exeC:\Users\Admin\AppData\Local\Temp\ms.exe k2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\takeown.exetakeown /f "C:\WINDOWS\system32\Sens.dll"3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SYSTEM32\icacls.exeicacls "C:\WINDOWS\system32\Sens.dll" /grant administrators:F3⤵
- Possible privilege escalation attempt
- Modifies file permissions
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\ms.exeFilesize
372KB
MD5f5657ab6890ac2d793860c7845e22c0e
SHA17a749290e47e64a6afbbd15aee33273c65418ff2
SHA256d48b73db28b5165f8cc65d3637a1245947a9c31efdee679dfb5a5680f3f90841
SHA51224f16b36369f7e49f8e740ed9f33598f6fb2ced32479868c6c0d7117613ddd30955cfde382a880b1dbe21ed05fa60a63aeb3cb0056a4910462a2240a2f254a51
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C:\Users\Admin\AppData\Local\Temp\ms.exeFilesize
372KB
MD5f5657ab6890ac2d793860c7845e22c0e
SHA17a749290e47e64a6afbbd15aee33273c65418ff2
SHA256d48b73db28b5165f8cc65d3637a1245947a9c31efdee679dfb5a5680f3f90841
SHA51224f16b36369f7e49f8e740ed9f33598f6fb2ced32479868c6c0d7117613ddd30955cfde382a880b1dbe21ed05fa60a63aeb3cb0056a4910462a2240a2f254a51
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memory/476-132-0x0000000000000000-mapping.dmp
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memory/1488-135-0x0000000000000000-mapping.dmp
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memory/5016-136-0x0000000000000000-mapping.dmp