107bb526c374d6fd9f45317c0c16e83ab50076f2bcd630caf3d6794596fae69b

Analysis

max time kernel
71s
max time network
76s
platform
windows10-1703_x64
resource
win10-20220812-es
resource tags

arch:x64arch:x86image:win10-20220812-eslocale:es-esos:windows10-1703-x64systemwindows
submitted
02/02/2023, 18:05

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Reason

Machine shutdown

Report Analysis Logs

General

Target

SKlauncher 3.0.exe
Size

1.2MB
MD5

32c7e3347f8e532e675d154eb07f4ccf
SHA1

5ca004745e2cdab497a7d6ef29c7efb25dc4046d
SHA256

107bb526c374d6fd9f45317c0c16e83ab50076f2bcd630caf3d6794596fae69b
SHA512

c82f3a01719f30cbb876a1395fda713ddba07b570bc188515b1b705e54e15a7cca5f71f741d51763f63aa5f40e00df06f63b341ed4db6b1be87b3ee59460dbe2
SSDEEP

24576:Dh199z42ojP6a7HJlF9eu5XFQZSIZeNGdmEE8H17UBcegl:R9zbgH3euNFQZr/oEE892cfl

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
4576	javaw.exe

Drops file in Program Files directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\server\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\server\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\server\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\server\symbols\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\symbols\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\server\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\server\symbols\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\symbols\dll\jvm.pdb	javaw.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4576	javaw.exe
4576	javaw.exe
3104	LogonUI.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 4576	2584	SKlauncher 3.0.exe	66
PID 2584 wrote to memory of 4576	2584	SKlauncher 3.0.exe	66

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:2584
- 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
  - Drops file in Program Files directory
  - Suspicious use of SetWindowsHookEx
  PID:4576

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3056

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0 /state0:0xa3ade055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:3104

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\flatlaf.temp\flatlaf-windows-x86_64-4434007983680.dll

Filesize
9KB

MD5
697d496ac9f5aaab8ae025322358c61e

SHA1
2043eac8cdcc2e24b854af1eacd77a5f2a395a27

SHA256
a7273a4cf48ab3413f2c186cc95a3367a73ce99f8d45329383219d4cc27003aa

SHA512
b6702cd49a3af9f97f697565136f140692af9f8b271e672f2e91c920a23212b778583786f2377078117113647926338614a92c4a2423318b7a21ba2fe3a89838

Download Submit
memory/2584-144-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-134-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-123-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-124-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-125-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-126-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-127-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-128-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-129-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-130-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-131-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-132-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-120-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-133-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-135-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-136-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-137-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-138-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-139-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-140-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-141-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-142-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-122-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-143-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-152-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-146-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-147-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-148-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-149-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-150-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-151-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-145-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-153-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-154-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-155-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-156-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-157-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-158-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/2584-121-0x0000000077C80000-0x0000000077E0E000-memory.dmp

Filesize
1.6MB

Download
memory/4576-162-0x00000000027F0000-0x00000000037F0000-memory.dmp

Filesize
16.0MB

Download
memory/4576-177-0x00000000027F0000-0x00000000037F0000-memory.dmp

Filesize
16.0MB

Download
memory/4576-180-0x00000000027F0000-0x00000000037F0000-memory.dmp

Filesize
16.0MB

Download
memory/4576-185-0x00000000027F0000-0x00000000037F0000-memory.dmp

Filesize
16.0MB

Download
memory/4576-190-0x00000000027F0000-0x00000000037F0000-memory.dmp

Filesize
16.0MB

Download
memory/4576-191-0x00000000027F0000-0x00000000037F0000-memory.dmp

Filesize
16.0MB

Download
memory/4576-192-0x00000000027F0000-0x00000000037F0000-memory.dmp

Filesize
16.0MB

Download