Analysis
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max time kernel
4294227s -
max time network
174s -
platform
windows7_x64 -
resource
win7-20220310-en -
submitted
19/03/2022, 18:08
Static task
static1
Behavioral task
behavioral1
Sample
75f2edc1a543a9776fca2e761ec841a8f29bb4880bdb057036537d6cb5870963.dll
Resource
win7-20220310-en
0 signatures
0 seconds
General
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Target
75f2edc1a543a9776fca2e761ec841a8f29bb4880bdb057036537d6cb5870963.dll
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Size
250KB
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MD5
f667c6b27106b3676668c221101aa1d5
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SHA1
3147290106ab4619b0b3f5b4a00c21aa82372d85
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SHA256
75f2edc1a543a9776fca2e761ec841a8f29bb4880bdb057036537d6cb5870963
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SHA512
2847eb7807dde31cb63882b7689ae10a25ed22177fd0eaaf46d2939354cdfb0d9e3bb46321773e0dbde007b01085fcf2e6d13ce8e8f58a1f21a57e9c323cdab4
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\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\Toolbar 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\Recovery\AdminActive iexplore.exe 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\IETld\LowMic 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\Main 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\WindowsSearch 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 Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\GPU 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\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 Set value (int) \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{0A69A4A0-A801-11EC-8BB1-6E0C194394F7} = "0" 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\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\LowRegistry\DOMStorage iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1132 iexplore.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1132 iexplore.exe 1132 iexplore.exe 908 IEXPLORE.EXE 908 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1524 wrote to memory of 1488 1524 rundll32.exe 27 PID 1524 wrote to memory of 1488 1524 rundll32.exe 27 PID 1524 wrote to memory of 1488 1524 rundll32.exe 27 PID 1524 wrote to memory of 1488 1524 rundll32.exe 27 PID 1524 wrote to memory of 1488 1524 rundll32.exe 27 PID 1524 wrote to memory of 1488 1524 rundll32.exe 27 PID 1524 wrote to memory of 1488 1524 rundll32.exe 27 PID 1132 wrote to memory of 908 1132 iexplore.exe 33 PID 1132 wrote to memory of 908 1132 iexplore.exe 33 PID 1132 wrote to memory of 908 1132 iexplore.exe 33 PID 1132 wrote to memory of 908 1132 iexplore.exe 33
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\75f2edc1a543a9776fca2e761ec841a8f29bb4880bdb057036537d6cb5870963.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1524 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\75f2edc1a543a9776fca2e761ec841a8f29bb4880bdb057036537d6cb5870963.dll,#12⤵PID:1488
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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:1132 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1132 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:908
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