Analysis
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max time kernel
91s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
06-11-2022 09:41
Static task
static1
Behavioral task
behavioral1
Sample
11e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
11e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a.exe
Resource
win10v2004-20220812-en
General
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Target
11e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a.exe
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Size
36KB
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MD5
2308c0ef8af77bdfe3b73238c758d171
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SHA1
4e467083db470ee57517886631bac97d27c75595
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SHA256
11e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a
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SHA512
d6955fc493fb8007395c21ae516f8042e228c2b94658f1e7ffbbb9862e42fc64930d0a3594091752d68fac5f90c27b3f1b37eebafd6c865b9725293e6015804c
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SSDEEP
768:/aO3j6mbAk7+obtvzRQ+z5AEm/xw9/baorZZGoHH4C/mfGcHW+:/tjrgG3ZtuHW+
Malware Config
Signatures
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Possible privilege escalation attempt 2 IoCs
Processes:
takeown.exeicacls.exepid process 3624 takeown.exe 1864 icacls.exe -
Modifies file permissions 1 TTPs 2 IoCs
Processes:
takeown.exeicacls.exepid process 3624 takeown.exe 1864 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
11e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run 11e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NSN = "C:\\Windows\\system32\\clqhx.exe" 11e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a.exe -
Drops file in System32 directory 2 IoCs
Processes:
11e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a.exedescription ioc process File created C:\Windows\SysWOW64\clqhx.exe 11e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a.exe File opened for modification C:\Windows\SysWOW64\clqhx.exe 11e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a.exe -
Processes:
regini.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://www.zhuangxiu008.com/" regini.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main regini.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://www.zhuangxiu008.com/" regini.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Main regini.exe -
Modifies Internet Explorer start page 1 TTPs 2 IoCs
Processes:
regini.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://www.zhuangxiu008.com/" regini.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Start Page = "http://www.zhuangxiu008.com/" regini.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
11e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a.exepid process 4216 11e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
11e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a.exedescription pid process target process PID 4216 wrote to memory of 3624 4216 11e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a.exe takeown.exe PID 4216 wrote to memory of 3624 4216 11e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a.exe takeown.exe PID 4216 wrote to memory of 3624 4216 11e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a.exe takeown.exe PID 4216 wrote to memory of 1864 4216 11e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a.exe icacls.exe PID 4216 wrote to memory of 1864 4216 11e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a.exe icacls.exe PID 4216 wrote to memory of 1864 4216 11e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a.exe icacls.exe PID 4216 wrote to memory of 1716 4216 11e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a.exe regini.exe PID 4216 wrote to memory of 1716 4216 11e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a.exe regini.exe PID 4216 wrote to memory of 1716 4216 11e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a.exe regini.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\11e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a.exe"C:\Users\Admin\AppData\Local\Temp\11e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\takeown.exeC:\Windows\system32\takeown.exe /f "C:\Windows\system32\clqhx.exe"2⤵
- Possible privilege escalation attempt
- Modifies file permissions
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C:\Windows\SysWOW64\icacls.exeC:\Windows\system32\icacls.exe "C:\Windows\system32\clqhx.exe" /grant Users:F2⤵
- Possible privilege escalation attempt
- Modifies file permissions
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C:\Windows\SysWOW64\regini.exeC:\Windows\system32\\regini.exe "C:\Users\Admin\AppData\Local\Temp\uGxbpNh.ini"2⤵
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
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\uGxbpNh.iniFilesize
633B
MD5307edf4a3258717302e3d2ba7865ec69
SHA1faa9b10078b3ee200bea0cb2645157843a8e4908
SHA256bc4f3fa5dc6d89b482f4f09363cf82b6c6500b853b4d5fe3c589c4dc6601bf9a
SHA512dfaa7e643e0c477701cce3de1aba8d506a1063d72547d760bcc76c274dd9069ad6529dfe341ff4202a8d50aabaa712db4c76928cc455fefb3f1601cf85558715
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C:\Windows\SysWOW64\clqhx.exeFilesize
36KB
MD52308c0ef8af77bdfe3b73238c758d171
SHA14e467083db470ee57517886631bac97d27c75595
SHA25611e0f858ca09b4c080657bd6621e4322e7aab79c7b9813e2c2021f282896cb8a
SHA512d6955fc493fb8007395c21ae516f8042e228c2b94658f1e7ffbbb9862e42fc64930d0a3594091752d68fac5f90c27b3f1b37eebafd6c865b9725293e6015804c
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memory/1716-137-0x0000000000000000-mapping.dmp
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memory/1864-135-0x0000000000000000-mapping.dmp
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memory/3624-134-0x0000000000000000-mapping.dmp