Analysis
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max time kernel
41s -
max time network
45s -
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
cff0f07db94ae37ae123e08885fde60e09eeeb12ba782427af884f922a6fd550.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
cff0f07db94ae37ae123e08885fde60e09eeeb12ba782427af884f922a6fd550.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
cff0f07db94ae37ae123e08885fde60e09eeeb12ba782427af884f922a6fd550.exe
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Size
16KB
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MD5
b53f2904efdddd49804218c2bc57e9bf
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SHA1
773369c37b50add0aacb1674432b352483dc53a0
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SHA256
cff0f07db94ae37ae123e08885fde60e09eeeb12ba782427af884f922a6fd550
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SHA512
1dcad5dfc37e32de08b3102f8ee2ef7e162b06b89caad57d21b242747aff89b4fbab109d95341ed821816b32836b9c1a25fd9a2ec926a185d663f55c7deeb0c7
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SSDEEP
384:5gK+aczPVLXOjtYel7ZZH9Ej3MoYn8N1YmnrtFyxAr:5I/1Ojt1nuYGYYtFK8
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 cff0f07db94ae37ae123e08885fde60e09eeeb12ba782427af884f922a6fd550.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{488B03F1-3807-11ED-8B55-6651945CA213} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe -
Modifies registry class 14 IoCs
description ioc Process 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\topic\ = "AppProperties" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open 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\ifexec\ = "[]" 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\ifexec 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 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\topic regedit.exe -
Runs .reg file with regedit 1 IoCs
pid Process 1272 regedit.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1912 cff0f07db94ae37ae123e08885fde60e09eeeb12ba782427af884f922a6fd550.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1332 iexplore.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1912 cff0f07db94ae37ae123e08885fde60e09eeeb12ba782427af884f922a6fd550.exe 1332 iexplore.exe 1332 iexplore.exe 576 IEXPLORE.EXE 576 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1912 wrote to memory of 1360 1912 cff0f07db94ae37ae123e08885fde60e09eeeb12ba782427af884f922a6fd550.exe 28 PID 1912 wrote to memory of 1360 1912 cff0f07db94ae37ae123e08885fde60e09eeeb12ba782427af884f922a6fd550.exe 28 PID 1912 wrote to memory of 1360 1912 cff0f07db94ae37ae123e08885fde60e09eeeb12ba782427af884f922a6fd550.exe 28 PID 1912 wrote to memory of 1360 1912 cff0f07db94ae37ae123e08885fde60e09eeeb12ba782427af884f922a6fd550.exe 28 PID 1360 wrote to memory of 1272 1360 cmd.exe 30 PID 1360 wrote to memory of 1272 1360 cmd.exe 30 PID 1360 wrote to memory of 1272 1360 cmd.exe 30 PID 1360 wrote to memory of 1272 1360 cmd.exe 30 PID 1912 wrote to memory of 1332 1912 cff0f07db94ae37ae123e08885fde60e09eeeb12ba782427af884f922a6fd550.exe 31 PID 1912 wrote to memory of 1332 1912 cff0f07db94ae37ae123e08885fde60e09eeeb12ba782427af884f922a6fd550.exe 31 PID 1912 wrote to memory of 1332 1912 cff0f07db94ae37ae123e08885fde60e09eeeb12ba782427af884f922a6fd550.exe 31 PID 1912 wrote to memory of 1332 1912 cff0f07db94ae37ae123e08885fde60e09eeeb12ba782427af884f922a6fd550.exe 31 PID 1332 wrote to memory of 576 1332 iexplore.exe 33 PID 1332 wrote to memory of 576 1332 iexplore.exe 33 PID 1332 wrote to memory of 576 1332 iexplore.exe 33 PID 1332 wrote to memory of 576 1332 iexplore.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\cff0f07db94ae37ae123e08885fde60e09eeeb12ba782427af884f922a6fd550.exe"C:\Users\Admin\AppData\Local\Temp\cff0f07db94ae37ae123e08885fde60e09eeeb12ba782427af884f922a6fd550.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1912 -
C:\Windows\SysWOW64\cmd.execmd.exe /c regedit /s "C:\Users\Admin\AppData\Local\Temp\getback.reg"2⤵
- Suspicious use of WriteProcessMemory
PID:1360 -
C:\Windows\SysWOW64\regedit.exeregedit /s "C:\Users\Admin\AppData\Local\Temp\getback.reg"3⤵
- Modifies registry class
- Runs .reg file with regedit
PID:1272
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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=6651945CA213&Hard=QM00013&ClientType=Home&Process=30&UserID=0002&Authen=750-4652⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1332 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1332 CREDAT:275457 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:576
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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