Analysis
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max time kernel
253s -
max time network
337s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
02-12-2022 23:57
Static task
static1
Behavioral task
behavioral1
Sample
b2d7a52287b4437b04ddf47ed84f80c7c14eac149908809fe31865347cb04189.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b2d7a52287b4437b04ddf47ed84f80c7c14eac149908809fe31865347cb04189.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
7 signatures
150 seconds
General
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Target
b2d7a52287b4437b04ddf47ed84f80c7c14eac149908809fe31865347cb04189.exe
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Size
16KB
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MD5
5f8b3b73de7a202599249b9d752501d2
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SHA1
578a672569f9efc344b738fde848e93139fc6cdf
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SHA256
b2d7a52287b4437b04ddf47ed84f80c7c14eac149908809fe31865347cb04189
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SHA512
1568fe8de90fde615bba778b75da0da3a751fd19028190f4c74fd3edea99633ea32f4f8fbfcb5419c820066e4d898e02f1a561d9b11fd9b295e77c4d37ec9462
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SSDEEP
384:Mg8BoocpwfdtbjgYuHisEpmxs1eSXbWhAiaNk/ru:MNBvcidtXgYuHisEp84LXyqF
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 b2d7a52287b4437b04ddf47ed84f80c7c14eac149908809fe31865347cb04189.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{1A602D80-74EC-11ED-90DE-EEBA1A0FFCD1} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe -
Modifies registry class 14 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\application 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\topic regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\ifexec regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\command 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\ = "[ViewFolder(\"%l\", %I, %S)]" regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\NoActivateHandler regedit.exe 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\topic\ = "AppProperties" regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\ifexec\ = "[]" regedit.exe -
Runs .reg file with regedit 1 IoCs
pid Process 780 regedit.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 868 b2d7a52287b4437b04ddf47ed84f80c7c14eac149908809fe31865347cb04189.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1280 iexplore.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 868 b2d7a52287b4437b04ddf47ed84f80c7c14eac149908809fe31865347cb04189.exe 1280 iexplore.exe 1280 iexplore.exe 1708 IEXPLORE.EXE 1708 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 868 wrote to memory of 1856 868 b2d7a52287b4437b04ddf47ed84f80c7c14eac149908809fe31865347cb04189.exe 28 PID 868 wrote to memory of 1856 868 b2d7a52287b4437b04ddf47ed84f80c7c14eac149908809fe31865347cb04189.exe 28 PID 868 wrote to memory of 1856 868 b2d7a52287b4437b04ddf47ed84f80c7c14eac149908809fe31865347cb04189.exe 28 PID 868 wrote to memory of 1856 868 b2d7a52287b4437b04ddf47ed84f80c7c14eac149908809fe31865347cb04189.exe 28 PID 1856 wrote to memory of 780 1856 cmd.exe 30 PID 1856 wrote to memory of 780 1856 cmd.exe 30 PID 1856 wrote to memory of 780 1856 cmd.exe 30 PID 1856 wrote to memory of 780 1856 cmd.exe 30 PID 868 wrote to memory of 1280 868 b2d7a52287b4437b04ddf47ed84f80c7c14eac149908809fe31865347cb04189.exe 31 PID 868 wrote to memory of 1280 868 b2d7a52287b4437b04ddf47ed84f80c7c14eac149908809fe31865347cb04189.exe 31 PID 868 wrote to memory of 1280 868 b2d7a52287b4437b04ddf47ed84f80c7c14eac149908809fe31865347cb04189.exe 31 PID 868 wrote to memory of 1280 868 b2d7a52287b4437b04ddf47ed84f80c7c14eac149908809fe31865347cb04189.exe 31 PID 1280 wrote to memory of 1708 1280 iexplore.exe 33 PID 1280 wrote to memory of 1708 1280 iexplore.exe 33 PID 1280 wrote to memory of 1708 1280 iexplore.exe 33 PID 1280 wrote to memory of 1708 1280 iexplore.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\b2d7a52287b4437b04ddf47ed84f80c7c14eac149908809fe31865347cb04189.exe"C:\Users\Admin\AppData\Local\Temp\b2d7a52287b4437b04ddf47ed84f80c7c14eac149908809fe31865347cb04189.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:868 -
C:\Windows\SysWOW64\cmd.execmd.exe /c regedit /s "C:\Users\Admin\AppData\Local\Temp\getback.reg"2⤵
- Suspicious use of WriteProcessMemory
PID:1856 -
C:\Windows\SysWOW64\regedit.exeregedit /s "C:\Users\Admin\AppData\Local\Temp\getback.reg"3⤵
- Modifies registry class
- Runs .reg file with regedit
PID:780
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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=EEBA00FFCD1&Hard=QM00013&ClientType=Home&Process=30&UserID=0003&Authen=777-4652⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1280 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1280 CREDAT:275457 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1708
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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