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Analysis
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max time kernel
165s -
max time network
190s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
09/02/2022, 14:48
Static task
static1
Behavioral task
behavioral1
Sample
TeamViewer_Setup.exe
Resource
win7-en-20211208
0 signatures
0 seconds
General
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Target
TeamViewer_Setup.exe
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Size
30.6MB
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MD5
9d21ffb20e6811ced753e5ba0ce3d10d
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SHA1
b9c22130c185388470ab8125f5bb5004d997406a
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SHA256
f971c06c3cf16467d90652e57b72c53b273a1360f1af1fc377d6158e772b6a70
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SHA512
0394818b212faf1aa487d3cab6c4a579d32d3eef06379c4e0a2f49211938854bde7622d170a58e16a9a61a8208a653116ebd43395b1f9ac28616b6eb6b284966
Malware Config
Extracted
Family
gozi_rm3
Attributes
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exe_type
loader
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2028 TeamViewer_.exe -
Loads dropped DLL 16 IoCs
pid Process 1820 TeamViewer_Setup.exe 1820 TeamViewer_Setup.exe 2028 TeamViewer_.exe 2028 TeamViewer_.exe 2028 TeamViewer_.exe 2028 TeamViewer_.exe 2028 TeamViewer_.exe 2028 TeamViewer_.exe 2028 TeamViewer_.exe 2028 TeamViewer_.exe 2028 TeamViewer_.exe 2028 TeamViewer_.exe 2028 TeamViewer_.exe 2028 TeamViewer_.exe 2028 TeamViewer_.exe 2028 TeamViewer_.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 70725df4c41dd801 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{50613391-89B8-11EC-A6E6-6EBBDA1774B5} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MINIE iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{333ABCF1-89B8-11EC-A6E6-6EBBDA1774B5} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MINIE iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2028 TeamViewer_.exe -
Suspicious use of FindShellTrayWindow 6 IoCs
pid Process 1876 iexplore.exe 1376 iexplore.exe 1920 iexplore.exe 2000 iexplore.exe 672 iexplore.exe 832 iexplore.exe -
Suspicious use of SetWindowsHookEx 24 IoCs
pid Process 1876 iexplore.exe 1876 iexplore.exe 1776 IEXPLORE.EXE 1776 IEXPLORE.EXE 1376 iexplore.exe 1376 iexplore.exe 1964 IEXPLORE.EXE 1964 IEXPLORE.EXE 1920 iexplore.exe 1920 iexplore.exe 1732 IEXPLORE.EXE 1732 IEXPLORE.EXE 2000 iexplore.exe 2000 iexplore.exe 1816 IEXPLORE.EXE 1816 IEXPLORE.EXE 672 iexplore.exe 672 iexplore.exe 1840 IEXPLORE.EXE 1840 IEXPLORE.EXE 832 iexplore.exe 832 iexplore.exe 820 IEXPLORE.EXE 820 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 31 IoCs
description pid Process procid_target PID 1876 wrote to memory of 1776 1876 iexplore.exe 32 PID 1876 wrote to memory of 1776 1876 iexplore.exe 32 PID 1876 wrote to memory of 1776 1876 iexplore.exe 32 PID 1876 wrote to memory of 1776 1876 iexplore.exe 32 PID 1820 wrote to memory of 2028 1820 TeamViewer_Setup.exe 33 PID 1820 wrote to memory of 2028 1820 TeamViewer_Setup.exe 33 PID 1820 wrote to memory of 2028 1820 TeamViewer_Setup.exe 33 PID 1820 wrote to memory of 2028 1820 TeamViewer_Setup.exe 33 PID 1820 wrote to memory of 2028 1820 TeamViewer_Setup.exe 33 PID 1820 wrote to memory of 2028 1820 TeamViewer_Setup.exe 33 PID 1820 wrote to memory of 2028 1820 TeamViewer_Setup.exe 33 PID 1376 wrote to memory of 1964 1376 iexplore.exe 38 PID 1376 wrote to memory of 1964 1376 iexplore.exe 38 PID 1376 wrote to memory of 1964 1376 iexplore.exe 38 PID 1376 wrote to memory of 1964 1376 iexplore.exe 38 PID 1920 wrote to memory of 1732 1920 iexplore.exe 40 PID 1920 wrote to memory of 1732 1920 iexplore.exe 40 PID 1920 wrote to memory of 1732 1920 iexplore.exe 40 PID 1920 wrote to memory of 1732 1920 iexplore.exe 40 PID 2000 wrote to memory of 1816 2000 iexplore.exe 42 PID 2000 wrote to memory of 1816 2000 iexplore.exe 42 PID 2000 wrote to memory of 1816 2000 iexplore.exe 42 PID 2000 wrote to memory of 1816 2000 iexplore.exe 42 PID 672 wrote to memory of 1840 672 iexplore.exe 44 PID 672 wrote to memory of 1840 672 iexplore.exe 44 PID 672 wrote to memory of 1840 672 iexplore.exe 44 PID 672 wrote to memory of 1840 672 iexplore.exe 44 PID 832 wrote to memory of 820 832 iexplore.exe 46 PID 832 wrote to memory of 820 832 iexplore.exe 46 PID 832 wrote to memory of 820 832 iexplore.exe 46 PID 832 wrote to memory of 820 832 iexplore.exe 46
Processes
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C:\Users\Admin\AppData\Local\Temp\TeamViewer_Setup.exe"C:\Users\Admin\AppData\Local\Temp\TeamViewer_Setup.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1820 -
C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_.exe"C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: GetForegroundWindowSpam
PID:2028
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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:1876 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1876 CREDAT:275457 /prefetch:22⤵
- Suspicious use of SetWindowsHookEx
PID:1776
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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:1376 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1376 CREDAT:275457 /prefetch:22⤵
- Suspicious use of SetWindowsHookEx
PID:1964
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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:1920 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1920 CREDAT:275457 /prefetch:22⤵
- Suspicious use of SetWindowsHookEx
PID:1732
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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:2000 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2000 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1816
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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:672 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:672 CREDAT:275457 /prefetch:22⤵
- Suspicious use of SetWindowsHookEx
PID:1840
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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:832 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:832 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:820
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