Analysis
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max time kernel
155s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
03-12-2022 18:07
Static task
static1
Behavioral task
behavioral1
Sample
950dd3c957ee2d644dd45a306e09340977637700065a2ed35e45c36de535d20d.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
950dd3c957ee2d644dd45a306e09340977637700065a2ed35e45c36de535d20d.exe
Resource
win10v2004-20220812-en
General
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Target
950dd3c957ee2d644dd45a306e09340977637700065a2ed35e45c36de535d20d.exe
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Size
132KB
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MD5
15fe5be2dc722124f8a4e270bfe86718
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SHA1
b3c60cad8759bbbf5293f02fcd510da4a0305b35
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SHA256
950dd3c957ee2d644dd45a306e09340977637700065a2ed35e45c36de535d20d
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SHA512
201c56482993baac6aa4cd67339260ef944f32c0ee22e726043de5e9b9636e124df963ae3c2564e3f5d6bb1f08a932faa15ed1a7ae4a8c7761e48c7d4e4f5c0c
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SSDEEP
3072:T+fTB76BxY4YutkHcQpfCt0BpKz7hFXjCcT/ElDXs7C:Tkn4YutmcCqyChFCcT/ElD
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\System32\\userinit.exe,C:\\Windows\\System32\\oobe\\winlogon.exe" 950dd3c957ee2d644dd45a306e09340977637700065a2ed35e45c36de535d20d.exe -
Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" 950dd3c957ee2d644dd45a306e09340977637700065a2ed35e45c36de535d20d.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 950dd3c957ee2d644dd45a306e09340977637700065a2ed35e45c36de535d20d.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run 950dd3c957ee2d644dd45a306e09340977637700065a2ed35e45c36de535d20d.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\mui\0109\vm.txt 950dd3c957ee2d644dd45a306e09340977637700065a2ed35e45c36de535d20d.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\SOFTWARE\Microsoft\Internet Explorer\Main 950dd3c957ee2d644dd45a306e09340977637700065a2ed35e45c36de535d20d.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\Window Title = "Microsoft Internet Explorer" 950dd3c957ee2d644dd45a306e09340977637700065a2ed35e45c36de535d20d.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1420 950dd3c957ee2d644dd45a306e09340977637700065a2ed35e45c36de535d20d.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1420 950dd3c957ee2d644dd45a306e09340977637700065a2ed35e45c36de535d20d.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\950dd3c957ee2d644dd45a306e09340977637700065a2ed35e45c36de535d20d.exe"C:\Users\Admin\AppData\Local\Temp\950dd3c957ee2d644dd45a306e09340977637700065a2ed35e45c36de535d20d.exe"1⤵
- Modifies WinLogon for persistence
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Adds Run key to start application
- Drops file in System32 directory
- Modifies Internet Explorer settings
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
PID:1420