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Analysis
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max time kernel
1791s -
max time network
1783s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
19/03/2023, 20:37
Static task
static1
Behavioral task
behavioral1
Sample
SKlauncher 3.0.exe
Resource
win10-20230220-en
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
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 3744 javaw.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3744 javaw.exe 3744 javaw.exe 3744 javaw.exe 3744 javaw.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3704 wrote to memory of 3744 3704 SKlauncher 3.0.exe 66 PID 3704 wrote to memory of 3744 3704 SKlauncher 3.0.exe 66 PID 3744 wrote to memory of 1100 3744 javaw.exe 67 PID 3744 wrote to memory of 1100 3744 javaw.exe 67 PID 1100 wrote to memory of 2372 1100 cmd.exe 69 PID 1100 wrote to memory of 2372 1100 cmd.exe 69
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:3704 -
C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe"C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -Xms32m -Xmx256m -jar "C:\Users\Admin\AppData\Local\Temp\SKlauncher 3.0.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3744 -
C:\Windows\SYSTEM32\cmd.execmd /c reg query HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize /v AppsUseLightTheme3⤵
- Suspicious use of WriteProcessMemory
PID:1100 -
C:\Windows\system32\reg.exereg query HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize /v AppsUseLightTheme4⤵PID:2372
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
14.5MB
MD52d36266b3563e77791443e7bbb0419f0
SHA183fbca628e8e0e8802bfea08126b3f94f73ef2fb
SHA2560043eed9107bb0a58956933aa0445ee0634475de1b4ecd06c5cb242a70576711
SHA512575d8938b24fa53b13c23de1e77278783b58a7d9976f7ccc680747eed4b881aa9b646f044a9a632b56bc1e46b0b54d199546be055c37ef56e96263033a84f8c9
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Filesize
9KB
MD5697d496ac9f5aaab8ae025322358c61e
SHA12043eac8cdcc2e24b854af1eacd77a5f2a395a27
SHA256a7273a4cf48ab3413f2c186cc95a3367a73ce99f8d45329383219d4cc27003aa
SHA512b6702cd49a3af9f97f697565136f140692af9f8b271e672f2e91c920a23212b778583786f2377078117113647926338614a92c4a2423318b7a21ba2fe3a89838