Analysis
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max time kernel
24s -
max time network
30s -
platform
windows7_x64 -
resource
win7-20220812-es -
resource tags
arch:x64arch:x86image:win7-20220812-eslocale:es-esos:windows7-x64systemwindows -
submitted
03-02-2023 23:06
Static task
static1
Behavioral task
behavioral1
Sample
SKlauncher 3.0.exe
Resource
win7-20220812-es
windows7-x64
5 signatures
30 seconds
Behavioral task
behavioral2
Sample
SKlauncher 3.0.exe
Resource
win10v2004-20221111-es
windows10-2004-x64
4 signatures
30 seconds
General
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Target
SKlauncher 3.0.exe
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Size
1.2MB
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MD5
32c7e3347f8e532e675d154eb07f4ccf
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SHA1
5ca004745e2cdab497a7d6ef29c7efb25dc4046d
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SHA256
107bb526c374d6fd9f45317c0c16e83ab50076f2bcd630caf3d6794596fae69b
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SHA512
c82f3a01719f30cbb876a1395fda713ddba07b570bc188515b1b705e54e15a7cca5f71f741d51763f63aa5f40e00df06f63b341ed4db6b1be87b3ee59460dbe2
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SSDEEP
24576:Dh199z42ojP6a7HJlF9eu5XFQZSIZeNGdmEE8H17UBcegl:R9zbgH3euNFQZr/oEE892cfl
Score
3/10
Malware Config
Signatures
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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 Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingDelete iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\MINIE iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingDelete\C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\{E6B674E3-A41F-11ED-847A-763DF7143A59}.dat = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{E6B674E1-A41F-11ED-847A-763DF7143A59} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1620 iexplore.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1620 iexplore.exe 1620 iexplore.exe 1404 IEXPLORE.EXE 1404 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1656 wrote to memory of 1620 1656 SKlauncher 3.0.exe 27 PID 1656 wrote to memory of 1620 1656 SKlauncher 3.0.exe 27 PID 1656 wrote to memory of 1620 1656 SKlauncher 3.0.exe 27 PID 1656 wrote to memory of 1620 1656 SKlauncher 3.0.exe 27 PID 1620 wrote to memory of 1404 1620 iexplore.exe 29 PID 1620 wrote to memory of 1404 1620 iexplore.exe 29 PID 1620 wrote to memory of 1404 1620 iexplore.exe 29 PID 1620 wrote to memory of 1404 1620 iexplore.exe 29 PID 1620 wrote to memory of 1404 1620 iexplore.exe 29 PID 1620 wrote to memory of 1404 1620 iexplore.exe 29 PID 1620 wrote to memory of 1404 1620 iexplore.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\SKlauncher 3.0.exe"C:\Users\Admin\AppData\Local\Temp\SKlauncher 3.0.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1656 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" https://adoptium.net/2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1620 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1620 CREDAT:275457 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1404
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