Analysis
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max time kernel
169s -
max time network
83s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
27/11/2022, 00:36
Static task
static1
Behavioral task
behavioral1
Sample
c3228f3c4d5e7698a471843b0c106f54bbf03437e5790d0aeb2c166aad7bdcc5.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
c3228f3c4d5e7698a471843b0c106f54bbf03437e5790d0aeb2c166aad7bdcc5.exe
Resource
win10v2004-20220901-en
General
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Target
c3228f3c4d5e7698a471843b0c106f54bbf03437e5790d0aeb2c166aad7bdcc5.exe
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Size
3.6MB
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MD5
ac3c2f49e73118b1842413c9e25fea21
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SHA1
ea1c3ee4226fddbfde4bb2fc455370c7b3708923
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SHA256
c3228f3c4d5e7698a471843b0c106f54bbf03437e5790d0aeb2c166aad7bdcc5
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SHA512
fa009679134c0f7b554f07593aeb3011aeaf7263aafb54f0012eed4c2f8541bba1b12375ababd6fc0edb100b93a3946a2ccf8616a45adac12514f2c3191c77c1
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SSDEEP
98304:rWmUY3WSw+Hec1A4LmbEqXnKCUA9lNnzOmNEDYvHK:rV3Wkec1LwXrUA9nnzOmmY/K
Malware Config
Signatures
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Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 c3228f3c4d5e7698a471843b0c106f54bbf03437e5790d0aeb2c166aad7bdcc5.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Default_Page_URL = "http://www.2345.com/?kfi1997" c3228f3c4d5e7698a471843b0c106f54bbf03437e5790d0aeb2c166aad7bdcc5.exe -
Modifies Internet Explorer start page 1 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://www.2345.com/?kfi1997" c3228f3c4d5e7698a471843b0c106f54bbf03437e5790d0aeb2c166aad7bdcc5.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage\Command c3228f3c4d5e7698a471843b0c106f54bbf03437e5790d0aeb2c166aad7bdcc5.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 936 c3228f3c4d5e7698a471843b0c106f54bbf03437e5790d0aeb2c166aad7bdcc5.exe 936 c3228f3c4d5e7698a471843b0c106f54bbf03437e5790d0aeb2c166aad7bdcc5.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 936 c3228f3c4d5e7698a471843b0c106f54bbf03437e5790d0aeb2c166aad7bdcc5.exe 936 c3228f3c4d5e7698a471843b0c106f54bbf03437e5790d0aeb2c166aad7bdcc5.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 936 c3228f3c4d5e7698a471843b0c106f54bbf03437e5790d0aeb2c166aad7bdcc5.exe 936 c3228f3c4d5e7698a471843b0c106f54bbf03437e5790d0aeb2c166aad7bdcc5.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c3228f3c4d5e7698a471843b0c106f54bbf03437e5790d0aeb2c166aad7bdcc5.exe"C:\Users\Admin\AppData\Local\Temp\c3228f3c4d5e7698a471843b0c106f54bbf03437e5790d0aeb2c166aad7bdcc5.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:936