Analysis
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max time kernel
53s -
max time network
56s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
21-10-2022 16:52
Static task
static1
Behavioral task
behavioral1
Sample
b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe
Resource
win7-20220812-en
General
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Target
b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe
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Size
1.4MB
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MD5
1e7b1593bbd3ea34afea2075cc31c1f0
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SHA1
054a544b96297bdf3e502e84dc8b25e3849b78b2
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SHA256
b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a
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SHA512
4975dce42fb5db6d8a352c7a7a6b5baa4bd839f2d266dfe2171688cea9867b4752f34e11216df1dfc7a13bc0929b5e5cae442f03b4e8ba7c8664814a80d5395b
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SSDEEP
24576:1NmF/mnBoDM5f7F2XQRKZk+61i5cCPWZj+VhyDvsuxxQ/zhmLSiVVloZy4/A:1YVZo5TcXQqk+61i5cYWZjSEUqq/5iVp
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
ms.exepid process 632 ms.exe -
Possible privilege escalation attempt 2 IoCs
Processes:
takeown.exeicacls.exepid process 808 takeown.exe 336 icacls.exe -
Loads dropped DLL 1 IoCs
Processes:
b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exepid process 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe -
Modifies file permissions 1 TTPs 2 IoCs
Processes:
icacls.exetakeown.exepid process 336 icacls.exe 808 takeown.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:
b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exedescription ioc process File opened for modification C:\WINDOWS\Bef.tmp b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe File opened for modification C:\Windows\yre.tmp b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe -
Suspicious behavior: EnumeratesProcesses 37 IoCs
Processes:
b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exepid process 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
takeown.exedescription pid process Token: SeTakeOwnershipPrivilege 808 takeown.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
ms.exepid process 632 ms.exe 632 ms.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exems.exedescription pid process target process PID 1976 wrote to memory of 632 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe ms.exe PID 1976 wrote to memory of 632 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe ms.exe PID 1976 wrote to memory of 632 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe ms.exe PID 1976 wrote to memory of 632 1976 b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe ms.exe PID 632 wrote to memory of 808 632 ms.exe takeown.exe PID 632 wrote to memory of 808 632 ms.exe takeown.exe PID 632 wrote to memory of 808 632 ms.exe takeown.exe PID 632 wrote to memory of 808 632 ms.exe takeown.exe PID 632 wrote to memory of 336 632 ms.exe icacls.exe PID 632 wrote to memory of 336 632 ms.exe icacls.exe PID 632 wrote to memory of 336 632 ms.exe icacls.exe PID 632 wrote to memory of 336 632 ms.exe icacls.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe"C:\Users\Admin\AppData\Local\Temp\b6bde70a036fc0cbcf9de3aefeb552720469d276f976b4b80dbef7eb7d20876a.exe"1⤵
- Loads dropped DLL
- 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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\Users\Admin\AppData\Local\Temp\ms.exeFilesize
372KB
MD5f5657ab6890ac2d793860c7845e22c0e
SHA17a749290e47e64a6afbbd15aee33273c65418ff2
SHA256d48b73db28b5165f8cc65d3637a1245947a9c31efdee679dfb5a5680f3f90841
SHA51224f16b36369f7e49f8e740ed9f33598f6fb2ced32479868c6c0d7117613ddd30955cfde382a880b1dbe21ed05fa60a63aeb3cb0056a4910462a2240a2f254a51
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memory/336-61-0x0000000000000000-mapping.dmp
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memory/632-56-0x0000000000000000-mapping.dmp
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memory/808-60-0x0000000000000000-mapping.dmp
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memory/1976-54-0x0000000074D81000-0x0000000074D83000-memory.dmpFilesize
8KB