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Analysis
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max time kernel
60s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20220812-es -
resource tags
arch:x64arch:x86image:win7-20220812-eslocale:es-esos:windows7-x64systemwindows -
submitted
05/02/2023, 00:32
Static task
static1
Behavioral task
behavioral1
Sample
SKlauncher 3.0.exe
Resource
win7-20220812-es
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
SKlauncher 3.0.exe
Resource
win10v2004-20221111-es
windows10-2004-x64
12 signatures
150 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\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500" 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\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\MINIE 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\TabbedBrowsing\NewTabPage 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\Recovery\AdminActive 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\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d072f2ff0139d901 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{21CC8621-A4F5-11ED-9243-66C13449FA90} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" 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 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\IETld\LowMic 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\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000001c873dd779f594fb7117fbc8f57988d000000000200000000001066000000010000200000001fddddbf4bf5d0ce1e2643e13eb38d5b930178aff465bfaee91362040428573a000000000e800000000200002000000094de257cd22d6b8f93ee038851f6fae7f4dcf77922209914bdfcf121c951e4f420000000057beb0e8959a408a23a7f215281c3cd760540273fe8bb2a231946035d1637fc400000002d5eb79635ab000ac5db1ff7cb3f8b9527d2cd8fcac3706328c5dc898f1858bc2e2ccca6d7f1e6ea7ea929d95d58fe912bef4f3d9edf5d64f786003f8f70565f 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\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1564 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1564 iexplore.exe 1564 iexplore.exe 1700 IEXPLORE.EXE 1700 IEXPLORE.EXE 1700 IEXPLORE.EXE 1700 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1100 wrote to memory of 1564 1100 SKlauncher 3.0.exe 27 PID 1100 wrote to memory of 1564 1100 SKlauncher 3.0.exe 27 PID 1100 wrote to memory of 1564 1100 SKlauncher 3.0.exe 27 PID 1100 wrote to memory of 1564 1100 SKlauncher 3.0.exe 27 PID 1564 wrote to memory of 1700 1564 iexplore.exe 29 PID 1564 wrote to memory of 1700 1564 iexplore.exe 29 PID 1564 wrote to memory of 1700 1564 iexplore.exe 29 PID 1564 wrote to memory of 1700 1564 iexplore.exe 29 PID 1564 wrote to memory of 1700 1564 iexplore.exe 29 PID 1564 wrote to memory of 1700 1564 iexplore.exe 29 PID 1564 wrote to memory of 1700 1564 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:1100 -
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:1564 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1564 CREDAT:275457 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1700
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
7KB
MD5088b1df8dbd9e0e8083d7a68bfce333c
SHA1a35b142b7cd48e9ae06ad7e103a715f74bac46b7
SHA2562dafc52a5ee4b9fbd7048f2c72b70e92b6ac8a35f3204c0b16b575e6a6737a26
SHA512de89af698e13470af0651c8afeb50e0de17c79956b2b147e57cf93012dcb95b11c8cce2d1f92b8ee2e93f9d68f1a6f39c60c3de425eb2b98271e7b283b8014a7