Analysis
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max time kernel
68s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
08-11-2022 22:05
Static task
static1
Behavioral task
behavioral1
Sample
ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93.exe
Resource
win10v2004-20220812-en
General
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Target
ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93.exe
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Size
36KB
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MD5
0ac588fe2372b251dce76695a8af1696
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SHA1
4d6d40a81b19de57d61cfaca25457ab6f3a4c7aa
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SHA256
ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93
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SHA512
1bd74e74cde5e40ee10535624028f1ff98264714459fc506fcd95ef06c1413bc18d027c7d2dd619f02aa874d424bc3b2b1c3f533c8ebc93148d1112eb1ad22ec
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SSDEEP
768:/YRIjF70PRV1OGzs3rDbsyz7s15UyVcNpbPJ:/YRI90PxfEvbQcNpbPJ
Malware Config
Signatures
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Possible privilege escalation attempt 2 IoCs
Processes:
takeown.exeicacls.exepid process 3216 takeown.exe 1412 icacls.exe -
Modifies file permissions 1 TTPs 2 IoCs
Processes:
takeown.exeicacls.exepid process 3216 takeown.exe 1412 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\iiRS = "C:\\Windows\\system32\\kaxer.exe" ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93.exe -
Drops file in System32 directory 2 IoCs
Processes:
ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93.exedescription ioc process File created C:\Windows\SysWOW64\kaxer.exe ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93.exe File opened for modification C:\Windows\SysWOW64\kaxer.exe ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93.exe -
Processes:
regini.exedescription ioc process 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://www.zhuangxiu008.com/" regini.exe -
Modifies Internet Explorer start page 1 TTPs 2 IoCs
Processes:
regini.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Start Page = "http://www.zhuangxiu008.com/" regini.exe 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 -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93.exepid process 1096 ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93.exedescription pid process target process PID 1096 wrote to memory of 3216 1096 ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93.exe takeown.exe PID 1096 wrote to memory of 3216 1096 ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93.exe takeown.exe PID 1096 wrote to memory of 3216 1096 ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93.exe takeown.exe PID 1096 wrote to memory of 1412 1096 ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93.exe icacls.exe PID 1096 wrote to memory of 1412 1096 ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93.exe icacls.exe PID 1096 wrote to memory of 1412 1096 ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93.exe icacls.exe PID 1096 wrote to memory of 1624 1096 ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93.exe regini.exe PID 1096 wrote to memory of 1624 1096 ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93.exe regini.exe PID 1096 wrote to memory of 1624 1096 ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93.exe regini.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93.exe"C:\Users\Admin\AppData\Local\Temp\ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93.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\kaxer.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\kaxer.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\BOTglHX.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\BOTglHX.iniFilesize
633B
MD5307edf4a3258717302e3d2ba7865ec69
SHA1faa9b10078b3ee200bea0cb2645157843a8e4908
SHA256bc4f3fa5dc6d89b482f4f09363cf82b6c6500b853b4d5fe3c589c4dc6601bf9a
SHA512dfaa7e643e0c477701cce3de1aba8d506a1063d72547d760bcc76c274dd9069ad6529dfe341ff4202a8d50aabaa712db4c76928cc455fefb3f1601cf85558715
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C:\Windows\SysWOW64\kaxer.exeFilesize
36KB
MD50ac588fe2372b251dce76695a8af1696
SHA14d6d40a81b19de57d61cfaca25457ab6f3a4c7aa
SHA256ad48bc23c6832a90f4af7ca93530b9bbaf6c7d891dd282e04636cb2a7577fe93
SHA5121bd74e74cde5e40ee10535624028f1ff98264714459fc506fcd95ef06c1413bc18d027c7d2dd619f02aa874d424bc3b2b1c3f533c8ebc93148d1112eb1ad22ec
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memory/1412-135-0x0000000000000000-mapping.dmp
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memory/1624-137-0x0000000000000000-mapping.dmp
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memory/3216-134-0x0000000000000000-mapping.dmp