Analysis
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max time kernel
94s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
02-10-2022 23:31
Static task
static1
Behavioral task
behavioral1
Sample
cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe
Resource
win7-20220812-en
General
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Target
cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe
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Size
1.4MB
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MD5
4c221b164dce6a0bf5f363ec58eadad0
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SHA1
b262dc46f23151c6d96c72f8f9eca618510f69bb
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SHA256
cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1
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SHA512
56683daf26fc6e9aed6444bb3f87ea35a3f509b05fd0329d82deee086ee371bd6ec8975d587e6810b6bae55d2cecfa216bfde48a5f04024d865748d187a95207
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SSDEEP
24576:ZNmF/mnBoDM5f7F2FdcclPqVX7TwBTGQOD6N+FrFcWwWdXwMKfFtzpCGV9o984wq:ZYVZo5TcFB1osWwWdw/v19hKL5ic/RT
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
ms.exepid process 2824 ms.exe -
Possible privilege escalation attempt 2 IoCs
Processes:
takeown.exeicacls.exepid process 3400 takeown.exe 428 icacls.exe -
Modifies file permissions 1 TTPs 2 IoCs
Processes:
takeown.exeicacls.exepid process 3400 takeown.exe 428 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:
cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exedescription ioc process File opened for modification C:\WINDOWS\Bef.tmp cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe File opened for modification C:\Windows\yre.tmp cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exepid process 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
takeown.exedescription pid process Token: SeTakeOwnershipPrivilege 3400 takeown.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
ms.exepid process 2824 ms.exe 2824 ms.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exems.exedescription pid process target process PID 3728 wrote to memory of 2824 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe ms.exe PID 3728 wrote to memory of 2824 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe ms.exe PID 3728 wrote to memory of 2824 3728 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe ms.exe PID 2824 wrote to memory of 3400 2824 ms.exe takeown.exe PID 2824 wrote to memory of 3400 2824 ms.exe takeown.exe PID 2824 wrote to memory of 428 2824 ms.exe icacls.exe PID 2824 wrote to memory of 428 2824 ms.exe icacls.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe"C:\Users\Admin\AppData\Local\Temp\cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.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
374KB
MD5329669196318038de3802d01041a603c
SHA1daf696b3c0994f32cc5949788f08d4d9ba2c33ef
SHA25602a939bb31cb50260f0bdfa59bb4417466fd121373964d99e343b43ff05f35a4
SHA512a707d4a2effbf087c5208f9bd1e539a492bd809a488c1340712f1b7fe0093f41d8af0926a4b9a88542e980bc77b1469aeb2b2255936e77a386ad213de7d01bb8
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C:\Users\Admin\AppData\Local\Temp\ms.exeFilesize
374KB
MD5329669196318038de3802d01041a603c
SHA1daf696b3c0994f32cc5949788f08d4d9ba2c33ef
SHA25602a939bb31cb50260f0bdfa59bb4417466fd121373964d99e343b43ff05f35a4
SHA512a707d4a2effbf087c5208f9bd1e539a492bd809a488c1340712f1b7fe0093f41d8af0926a4b9a88542e980bc77b1469aeb2b2255936e77a386ad213de7d01bb8
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memory/428-136-0x0000000000000000-mapping.dmp
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memory/2824-132-0x0000000000000000-mapping.dmp
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memory/3400-135-0x0000000000000000-mapping.dmp