Analysis
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max time kernel
167s -
max time network
196s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03-10-2022 23:53
Static task
static1
Behavioral task
behavioral1
Sample
81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe
Resource
win7-20220812-en
General
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Target
81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe
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Size
1.4MB
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MD5
3672fbff35653d574babf14dbfa750d0
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SHA1
effd9a672f81c641ba68d773e7db1589b3616c74
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SHA256
81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4
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SHA512
04bd34040543cc1bd2aaa666c706a2ae7f05f41e7471553929419cc52c523cefbf846fb5716684aa7ac223fea8facfc9bf884ee467a1a026529cb6ded16f9b71
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SSDEEP
24576:kNmF/mnBoDM5f7F2NQa1iBqeDhUywMexgR2wboeWxjO30C5VL9FvykON7gjr8uUG:kYVZo5Tc/iBhgyrb8xjXq9TO5wk3xHX+
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
ms.exepid process 1768 ms.exe -
Possible privilege escalation attempt 2 IoCs
Processes:
takeown.exeicacls.exepid process 604 takeown.exe 4164 icacls.exe -
Modifies file permissions 1 TTPs 2 IoCs
Processes:
takeown.exeicacls.exepid process 604 takeown.exe 4164 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:
81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exedescription ioc process File opened for modification C:\Windows\yre.tmp 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe File opened for modification C:\WINDOWS\Bef.tmp 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exepid process 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
takeown.exedescription pid process Token: SeTakeOwnershipPrivilege 604 takeown.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
ms.exepid process 1768 ms.exe 1768 ms.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exems.exedescription pid process target process PID 4772 wrote to memory of 1768 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe ms.exe PID 4772 wrote to memory of 1768 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe ms.exe PID 4772 wrote to memory of 1768 4772 81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe ms.exe PID 1768 wrote to memory of 604 1768 ms.exe takeown.exe PID 1768 wrote to memory of 604 1768 ms.exe takeown.exe PID 1768 wrote to memory of 4164 1768 ms.exe icacls.exe PID 1768 wrote to memory of 4164 1768 ms.exe icacls.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.exe"C:\Users\Admin\AppData\Local\Temp\81462c7a84747eaf173bdb8c5c29eefb247dcfba1c01a9cf91d1ed16410cf4e4.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
424KB
MD5b8916c2cf9129f367528eba419c3afc1
SHA197205d05dee4eb1288f02a6cba9c1a540fbfa883
SHA2562aac713d35e939a6011c6b3d00e0cfc73493ca1c78333ea1ef166b20c6810acd
SHA512f206af8c13e50755e0cd6bf99b970be835e97aed241a80b6843c6ccfe380ae99d7fb36fd616e98495ef9c376443742b3eedafd2dcb5a4c0448d0d30054ccd1e5
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C:\Users\Admin\AppData\Local\Temp\ms.exeFilesize
424KB
MD5b8916c2cf9129f367528eba419c3afc1
SHA197205d05dee4eb1288f02a6cba9c1a540fbfa883
SHA2562aac713d35e939a6011c6b3d00e0cfc73493ca1c78333ea1ef166b20c6810acd
SHA512f206af8c13e50755e0cd6bf99b970be835e97aed241a80b6843c6ccfe380ae99d7fb36fd616e98495ef9c376443742b3eedafd2dcb5a4c0448d0d30054ccd1e5
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memory/604-135-0x0000000000000000-mapping.dmp
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memory/1768-132-0x0000000000000000-mapping.dmp
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memory/4164-136-0x0000000000000000-mapping.dmp