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Analysis
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max time kernel
60s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
02/02/2023, 21:41
Static task
static1
Behavioral task
behavioral1
Sample
SKlauncher 3.0.exe
Resource
win7-20220812-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
SKlauncher 3.0.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
5 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\LowRegistry\DOMStorage 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 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\MINIE iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive 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\TabbedBrowsing 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\Zoom 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\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\LowRegistry\DontShowMeThisDialogAgain 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 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\PageSetup 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\{C32CF421-A34A-11ED-8C11-42FEA5F7B9B2} = "0" 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 (data) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 80b515a05737d901 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\GPU 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\Toolbar\WebBrowser 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 Set value (data) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000004229ed715fa94f4bb5f0f4dbffa3e33100000000020000000000106600000001000020000000bed2d505e3f0cb0fc4325c972885ee0d918f2f6b112882c2f16749301c7d6660000000000e800000000200002000000088d9e0bee6d618ebfd2ee3ce8b687cb57a3c8b6e4f3760d54c84e301791f840720000000f06cddf9718f0ace679302a9fae3a76c7933e87a6764815b03ddf60cabd8602e40000000eaf8f284e3d78a5f99ae0ee13bd0930ed816c4e5ea876a0797980649c5a708c8c075c0995a57e51a307440d52f779066ae0cdfebbef934b9763b5474b804c234 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main 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 Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1748 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1748 iexplore.exe 1748 iexplore.exe 1200 IEXPLORE.EXE 1200 IEXPLORE.EXE 1200 IEXPLORE.EXE 1200 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1720 wrote to memory of 1748 1720 SKlauncher 3.0.exe 26 PID 1720 wrote to memory of 1748 1720 SKlauncher 3.0.exe 26 PID 1720 wrote to memory of 1748 1720 SKlauncher 3.0.exe 26 PID 1720 wrote to memory of 1748 1720 SKlauncher 3.0.exe 26 PID 1748 wrote to memory of 1200 1748 iexplore.exe 28 PID 1748 wrote to memory of 1200 1748 iexplore.exe 28 PID 1748 wrote to memory of 1200 1748 iexplore.exe 28 PID 1748 wrote to memory of 1200 1748 iexplore.exe 28 PID 1748 wrote to memory of 1200 1748 iexplore.exe 28 PID 1748 wrote to memory of 1200 1748 iexplore.exe 28 PID 1748 wrote to memory of 1200 1748 iexplore.exe 28
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:1720 -
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:1748 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1748 CREDAT:275457 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1200
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
7KB
MD5cdb2078e98b4f58a2b758f41700167d8
SHA15b6bd1f64c19982f7236cb225aac9f80b2d2e516
SHA256428206369e85ff6b502454d3929b135ad684f24ea16f34afb07002e8db1c0a26
SHA512f0b5c26ecb547fa9ab0b4e8f2ec332fb2f5017a91d0683d814bd4755a10f41b58f9df72b089443683794306e0749acce044d6805daf6981e0898d81df0338222