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Analysis
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max time kernel
46s -
max time network
51s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
03/10/2022, 07:22
Static task
static1
Behavioral task
behavioral1
Sample
503bf872beb6a32baad39010b9840cd009b0142f6a12c7166b745a4feec25831.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
503bf872beb6a32baad39010b9840cd009b0142f6a12c7166b745a4feec25831.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
503bf872beb6a32baad39010b9840cd009b0142f6a12c7166b745a4feec25831.exe
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Size
16KB
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MD5
6b3f9388ad9b5694d76362807ba0a539
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SHA1
950f89aa83635460f8d55d3298d486b910076710
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SHA256
503bf872beb6a32baad39010b9840cd009b0142f6a12c7166b745a4feec25831
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SHA512
926db6c6cbf55bdb8124241f255a815f12e0c5474caacb1a03aba06ca39d0d984c8aefc2e00616e9ed7bc26867fa3f75f675e854be0b53d3d18170ea49f5b40b
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SSDEEP
384:Mg8BoocpwfdtbjgYuHisEpmxs1eSXbWhAiaNk/rX:MNBvcidtXgYuHisEp84LXyq0
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 503bf872beb6a32baad39010b9840cd009b0142f6a12c7166b745a4feec25831.exe -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{3C506E31-4406-11ED-9D78-7225AF48583A} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe -
Modifies registry class 14 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open regedit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\BrowserFlags = "16" regedit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ExplorerFlags = "18" regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\command\ = "%SystemRoot%\\Explorer.exe /idlist,%I,%L" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\application 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\ifexec\ = "[]" 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\NoActivateHandler regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\application\ = "Folders" 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\ddeexec 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\command regedit.exe -
Runs .reg file with regedit 1 IoCs
pid Process 580 regedit.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1204 503bf872beb6a32baad39010b9840cd009b0142f6a12c7166b745a4feec25831.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 268 iexplore.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1204 503bf872beb6a32baad39010b9840cd009b0142f6a12c7166b745a4feec25831.exe 268 iexplore.exe 268 iexplore.exe 700 IEXPLORE.EXE 700 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1204 wrote to memory of 2040 1204 503bf872beb6a32baad39010b9840cd009b0142f6a12c7166b745a4feec25831.exe 27 PID 1204 wrote to memory of 2040 1204 503bf872beb6a32baad39010b9840cd009b0142f6a12c7166b745a4feec25831.exe 27 PID 1204 wrote to memory of 2040 1204 503bf872beb6a32baad39010b9840cd009b0142f6a12c7166b745a4feec25831.exe 27 PID 1204 wrote to memory of 2040 1204 503bf872beb6a32baad39010b9840cd009b0142f6a12c7166b745a4feec25831.exe 27 PID 1204 wrote to memory of 268 1204 503bf872beb6a32baad39010b9840cd009b0142f6a12c7166b745a4feec25831.exe 29 PID 1204 wrote to memory of 268 1204 503bf872beb6a32baad39010b9840cd009b0142f6a12c7166b745a4feec25831.exe 29 PID 1204 wrote to memory of 268 1204 503bf872beb6a32baad39010b9840cd009b0142f6a12c7166b745a4feec25831.exe 29 PID 1204 wrote to memory of 268 1204 503bf872beb6a32baad39010b9840cd009b0142f6a12c7166b745a4feec25831.exe 29 PID 2040 wrote to memory of 580 2040 cmd.exe 30 PID 2040 wrote to memory of 580 2040 cmd.exe 30 PID 2040 wrote to memory of 580 2040 cmd.exe 30 PID 2040 wrote to memory of 580 2040 cmd.exe 30 PID 268 wrote to memory of 700 268 iexplore.exe 32 PID 268 wrote to memory of 700 268 iexplore.exe 32 PID 268 wrote to memory of 700 268 iexplore.exe 32 PID 268 wrote to memory of 700 268 iexplore.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\503bf872beb6a32baad39010b9840cd009b0142f6a12c7166b745a4feec25831.exe"C:\Users\Admin\AppData\Local\Temp\503bf872beb6a32baad39010b9840cd009b0142f6a12c7166b745a4feec25831.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1204 -
C:\Windows\SysWOW64\cmd.execmd.exe /c regedit /s "C:\Users\Admin\AppData\Local\Temp\getback.reg"2⤵
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Windows\SysWOW64\regedit.exeregedit /s "C:\Users\Admin\AppData\Local\Temp\getback.reg"3⤵
- Modifies registry class
- Runs .reg file with regedit
PID:580
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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=7225AF485800&Hard=QM00013&ClientType=Home&Process=28&UserID=0003&Authen=752-4652⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:268 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:268 CREDAT:275457 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:700
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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