107bb526c374d6fd9f45317c0c16e83ab50076f2bcd630caf3d6794596fae69b

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Analysis

max time kernel
88s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220812-es
resource tags

arch:x64arch:x86image:win10v2004-20220812-eslocale:es-esos:windows10-2004-x64systemwindows
submitted
05-01-2023 16:18

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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
5000	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\symbols\dll\jvm.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\dll\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\dll\ntdll.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\dll\jvm.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\jvm.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\ntdll.pdb	javaw.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5000	javaw.exe
5000	javaw.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 5000	2584	SKlauncher 3.0.exe	80
PID 2584 wrote to memory of 5000	2584	SKlauncher 3.0.exe	80

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:5000

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\flatlaf.temp\flatlaf-windows-x86_64-4082091107000.dll

Filesize
9KB

MD5
697d496ac9f5aaab8ae025322358c61e

SHA1
2043eac8cdcc2e24b854af1eacd77a5f2a395a27

SHA256
a7273a4cf48ab3413f2c186cc95a3367a73ce99f8d45329383219d4cc27003aa

SHA512
b6702cd49a3af9f97f697565136f140692af9f8b271e672f2e91c920a23212b778583786f2377078117113647926338614a92c4a2423318b7a21ba2fe3a89838

Download Submit
memory/5000-132-0x0000000000000000-mapping.dmp

Download
memory/5000-142-0x00000000027C0000-0x00000000037C0000-memory.dmp

Filesize
16.0MB

Download
memory/5000-153-0x00000000027C0000-0x00000000037C0000-memory.dmp

Filesize
16.0MB

Download
memory/5000-167-0x00000000027C0000-0x00000000037C0000-memory.dmp

Filesize
16.0MB

Download
memory/5000-175-0x00000000027C0000-0x00000000037C0000-memory.dmp

Filesize
16.0MB

Download
memory/5000-176-0x00000000027C0000-0x00000000037C0000-memory.dmp

Filesize
16.0MB

Download
memory/5000-177-0x00000000027C0000-0x00000000037C0000-memory.dmp

Filesize
16.0MB

Download
memory/5000-178-0x00000000027C0000-0x00000000037C0000-memory.dmp

Filesize
16.0MB

Download