Analysis
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max time kernel
63s -
max time network
35s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
20-11-2022 14:42
Static task
static1
Behavioral task
behavioral1
Sample
7cfc1df9f42d9f34655444ec06986197047013c3c2e85099ec28ea5f35c73f3c.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
7cfc1df9f42d9f34655444ec06986197047013c3c2e85099ec28ea5f35c73f3c.exe
Resource
win10v2004-20220812-en
General
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Target
7cfc1df9f42d9f34655444ec06986197047013c3c2e85099ec28ea5f35c73f3c.exe
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Size
48KB
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MD5
40279abbda48be88c19c7cd63aa06c41
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SHA1
82d398254862e3feead36fbe017e98eb120869be
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SHA256
7cfc1df9f42d9f34655444ec06986197047013c3c2e85099ec28ea5f35c73f3c
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SHA512
5a4c26a7fa6223f10cc7be9909f92578cb86226169239f7b2140c8ed9c6da79155e50c805ba9401471644e316a90eed1a798232529d6ca7eac66f9b2fbdd9a2d
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SSDEEP
768:DaCYNQEne0AMxpCttjRsnry4Q3sOVxPKAtISJsEkQ:+CeQNRwr68OVxP8SJpkQ
Malware Config
Signatures
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Possible privilege escalation attempt 2 IoCs
Processes:
icacls.exetakeown.exepid process 1692 icacls.exe 668 takeown.exe -
Modifies file permissions 1 TTPs 2 IoCs
Processes:
takeown.exeicacls.exepid process 668 takeown.exe 1692 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
7cfc1df9f42d9f34655444ec06986197047013c3c2e85099ec28ea5f35c73f3c.exedescription ioc process Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run 7cfc1df9f42d9f34655444ec06986197047013c3c2e85099ec28ea5f35c73f3c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hXZZEja = "c:\\windows\\system32\\wlsmg.exe" 7cfc1df9f42d9f34655444ec06986197047013c3c2e85099ec28ea5f35c73f3c.exe -
Drops file in System32 directory 2 IoCs
Processes:
7cfc1df9f42d9f34655444ec06986197047013c3c2e85099ec28ea5f35c73f3c.exedescription ioc process File opened for modification \??\c:\windows\SysWOW64\wlsmg.exe 7cfc1df9f42d9f34655444ec06986197047013c3c2e85099ec28ea5f35c73f3c.exe File created \??\c:\windows\SysWOW64\wlsmg.exe 7cfc1df9f42d9f34655444ec06986197047013c3c2e85099ec28ea5f35c73f3c.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
7cfc1df9f42d9f34655444ec06986197047013c3c2e85099ec28ea5f35c73f3c.exepid process 1400 7cfc1df9f42d9f34655444ec06986197047013c3c2e85099ec28ea5f35c73f3c.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
7cfc1df9f42d9f34655444ec06986197047013c3c2e85099ec28ea5f35c73f3c.exedescription pid process target process PID 1400 wrote to memory of 668 1400 7cfc1df9f42d9f34655444ec06986197047013c3c2e85099ec28ea5f35c73f3c.exe takeown.exe PID 1400 wrote to memory of 668 1400 7cfc1df9f42d9f34655444ec06986197047013c3c2e85099ec28ea5f35c73f3c.exe takeown.exe PID 1400 wrote to memory of 668 1400 7cfc1df9f42d9f34655444ec06986197047013c3c2e85099ec28ea5f35c73f3c.exe takeown.exe PID 1400 wrote to memory of 668 1400 7cfc1df9f42d9f34655444ec06986197047013c3c2e85099ec28ea5f35c73f3c.exe takeown.exe PID 1400 wrote to memory of 1692 1400 7cfc1df9f42d9f34655444ec06986197047013c3c2e85099ec28ea5f35c73f3c.exe icacls.exe PID 1400 wrote to memory of 1692 1400 7cfc1df9f42d9f34655444ec06986197047013c3c2e85099ec28ea5f35c73f3c.exe icacls.exe PID 1400 wrote to memory of 1692 1400 7cfc1df9f42d9f34655444ec06986197047013c3c2e85099ec28ea5f35c73f3c.exe icacls.exe PID 1400 wrote to memory of 1692 1400 7cfc1df9f42d9f34655444ec06986197047013c3c2e85099ec28ea5f35c73f3c.exe icacls.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7cfc1df9f42d9f34655444ec06986197047013c3c2e85099ec28ea5f35c73f3c.exe"C:\Users\Admin\AppData\Local\Temp\7cfc1df9f42d9f34655444ec06986197047013c3c2e85099ec28ea5f35c73f3c.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1400 -
C:\Windows\SysWOW64\takeown.exeC:\Windows\system32\takeown.exe /f "c:\windows\system32\wlsmg.exe"2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:668 -
C:\Windows\SysWOW64\icacls.exeC:\Windows\system32\icacls.exe "c:\windows\system32\wlsmg.exe" /grant Users:F2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1692
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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\??\c:\windows\SysWOW64\wlsmg.exeFilesize
48KB
MD540279abbda48be88c19c7cd63aa06c41
SHA182d398254862e3feead36fbe017e98eb120869be
SHA2567cfc1df9f42d9f34655444ec06986197047013c3c2e85099ec28ea5f35c73f3c
SHA5125a4c26a7fa6223f10cc7be9909f92578cb86226169239f7b2140c8ed9c6da79155e50c805ba9401471644e316a90eed1a798232529d6ca7eac66f9b2fbdd9a2d
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memory/668-56-0x0000000000000000-mapping.dmp
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memory/1692-57-0x0000000000000000-mapping.dmp