Overview
overview
5Static
static
URLScan
urlscan
1https://stinkstomper...
windows7-x64
1https://stinkstomper...
windows10-2004-x64
5https://stinkstomper...
android-9-x86
1https://stinkstomper...
android-10-x64
1https://stinkstomper...
android-11-x64
1https://stinkstomper...
ubuntu-18.04-amd64
https://stinkstomper...
debian-9-armhf
https://stinkstomper...
debian-9-mips
https://stinkstomper...
debian-9-mipsel
Analysis
-
max time kernel
231s -
max time network
296s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
08-08-2022 08:59
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://stinkstomperssv.com/blog/r/poslu
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
https://stinkstomperssv.com/blog/r/poslu
Resource
win10v2004-20220721-en
Behavioral task
behavioral3
Sample
https://stinkstomperssv.com/blog/r/poslu
Resource
android-x86-arm-20220621-en
Behavioral task
behavioral4
Sample
https://stinkstomperssv.com/blog/r/poslu
Resource
android-x64-20220621-en
Behavioral task
behavioral5
Sample
https://stinkstomperssv.com/blog/r/poslu
Resource
android-x64-arm64-20220621-en
Behavioral task
behavioral6
Sample
https://stinkstomperssv.com/blog/r/poslu
Resource
ubuntu1804-amd64-en-20211208
Behavioral task
behavioral7
Sample
https://stinkstomperssv.com/blog/r/poslu
Resource
debian9-armhf-en-20211208
Behavioral task
behavioral8
Sample
https://stinkstomperssv.com/blog/r/poslu
Resource
debian9-mipsbe-en-20211208
Behavioral task
behavioral9
Sample
https://stinkstomperssv.com/blog/r/poslu
Resource
debian9-mipsel-en-20211208
General
-
Target
https://stinkstomperssv.com/blog/r/poslu
Malware Config
Signatures
-
Drops file in System32 directory 2 IoCs
Processes:
svchost.exedescription ioc process File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{6B32D966-150A-4908-A780-2F588E519A5F}.catalogItem svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{B3B2E3C6-9D50-45B0-9421-9615F5DFB1C7}.catalogItem svchost.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
svchost.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString svchost.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz svchost.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU svchost.exe -
Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30976773" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "952414379" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "366714136" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "952414379" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30976773" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 104aa64205abd801 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c462900f48ae714cae0346dd4284bdb9000000000200000000001066000000010000200000002ef81d6309947388aa31e30e235e6b76b83c5533131af48fd3ea78ccf265a922000000000e800000000200002000000085c3ad24607f3baa211056532fd244b5c7c816e7bfd8adbb287836cbb96b9e0a200000007222d7dad4acdad898a8b9cbcb6cbd63564e4f1f6d39ab33f7859f92926a179340000000deb3d32d4efda8a895e3a7dca9e9120cb21179bf0f172c991a3e7f5f18ed7d93688e40ae3ad80042d23005fa6c51f6d4862d53b1807412eb867b499a9a2fc014 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c462900f48ae714cae0346dd4284bdb900000000020000000000106600000001000020000000618b9c8a7e85949d781a43afead17c8d694e7e078bb747237ca3ba1562c26cc3000000000e80000000020000200000006f791279660302f72ddc0cb3607f638504e2d2b1eabf76cc5f9887c1637b437f200000000fab68a34a3efb19e12297c7cd3355b059da185ff02216db814e46e63985577140000000da5acf1b35198b23296871ab0484f9a93ad4f1f0daf40809fcc8f7fc6992a9340fd24aef1360fd7e55666995c034d7042dd54e7b96da74deab420d31881b88d9 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 30639a4205abd801 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{6461CC64-16F8-11ED-9262-4A9B1074A40D} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "965696034" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30976773" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
iexplore.exepid process 3108 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 3108 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 3108 iexplore.exe 3108 iexplore.exe 544 IEXPLORE.EXE 544 IEXPLORE.EXE 544 IEXPLORE.EXE 544 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
iexplore.exedescription pid process target process PID 3108 wrote to memory of 544 3108 iexplore.exe IEXPLORE.EXE PID 3108 wrote to memory of 544 3108 iexplore.exe IEXPLORE.EXE PID 3108 wrote to memory of 544 3108 iexplore.exe IEXPLORE.EXE
Processes
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" https://stinkstomperssv.com/blog/r/poslu1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3108 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry