Analysis
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max time kernel
4294221s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20220310-en -
submitted
20/03/2022, 03:17
Static task
static1
Behavioral task
behavioral1
Sample
36549e3696fab16e1fb88e4f6bb076f8a4d07ace292396d727685b24c90920f4.dll
Resource
win7-20220310-en
0 signatures
0 seconds
General
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Target
36549e3696fab16e1fb88e4f6bb076f8a4d07ace292396d727685b24c90920f4.dll
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Size
308KB
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MD5
5b2922162ea8506d525357c3d04bfe20
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SHA1
e9209d1fb4331f916feae3f5a64eb6a09ea09e18
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SHA256
36549e3696fab16e1fb88e4f6bb076f8a4d07ace292396d727685b24c90920f4
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SHA512
eae2d1dedc79d31991b46639f737f0e46425fd4c1d8d899b640341d1cae4dac86f8052ff1d578bab76bba8fba5cc3678d58205fd5fa59870a30dc9445aa57d66
Malware Config
Extracted
Family
gozi_ifsb
Attributes
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build
250167
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{DF6B4A30-A885-11EC-93A9-DE776D964FC9} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\MINIE iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500" iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2028 iexplore.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2028 iexplore.exe 2028 iexplore.exe 788 IEXPLORE.EXE 788 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1704 wrote to memory of 1636 1704 rundll32.exe 28 PID 1704 wrote to memory of 1636 1704 rundll32.exe 28 PID 1704 wrote to memory of 1636 1704 rundll32.exe 28 PID 1704 wrote to memory of 1636 1704 rundll32.exe 28 PID 1704 wrote to memory of 1636 1704 rundll32.exe 28 PID 1704 wrote to memory of 1636 1704 rundll32.exe 28 PID 1704 wrote to memory of 1636 1704 rundll32.exe 28 PID 2028 wrote to memory of 788 2028 iexplore.exe 33 PID 2028 wrote to memory of 788 2028 iexplore.exe 33 PID 2028 wrote to memory of 788 2028 iexplore.exe 33 PID 2028 wrote to memory of 788 2028 iexplore.exe 33
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\36549e3696fab16e1fb88e4f6bb076f8a4d07ace292396d727685b24c90920f4.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1704 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\36549e3696fab16e1fb88e4f6bb076f8a4d07ace292396d727685b24c90920f4.dll,#12⤵PID:1636
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2028 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:788
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