Analysis
- max time kernel
44s - max time network
45s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
20/06/2024, 18:46
Static task
static1
Behavioral task
behavioral1
Sample
SKlauncher-3.2.8.jar
Resource
win7-20240508-en
0 signatures
1200 seconds
Behavioral task
behavioral2
Sample
SKlauncher-3.2.8.jar
Resource
win10v2004-20240508-en
5 signatures
1200 seconds
General
- Target SKlauncher-3.2.8.jar
- Size 1.1MB
- Sample240620-xetwtascpg
- SHA256 4bc59dacfa6a02b5e825ccb4d545e6749393b30783459637c5075a6c2b60bc68
- MD5 3f6ae53541622bfd30d2d6a850a1c7fc
- SHA1 fdf2493ebb654889b16e87de32ba353905b3f8a3
- SHA512 810ba9e2caf2fbfb008d6f6414ee8913d8bd83e8f5c66dba5f5eb0291c17abcabffc7655da17152cbb5ef3913df2abb2b918365027aed75ff1a6b610311faa10
- SSDEEP 24576:k80pSuDlvPepesl6vypvWM1cetaYJXChAX/ChyYOkQ27vLKOBS:PmJ3eI86a9TUYJyhmB87vLZ4
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Loads dropped DLL 1 IoCs
pid Process 4908 java.exe - Modifies file permissions 1 TTPs 1 IoCs
pid Process 4460 icacls.exe - Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
flow ioc 7 bitbucket.org - Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4908 java.exe 4908 java.exe 4908 java.exe 4908 java.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4908 wrote to memory of 4460 4908 java.exe 83 PID 4908 wrote to memory of 4460 4908 java.exe 83
Processes
-
C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\SKlauncher-3.2.8.jar1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4908 -
C:\Windows\system32\icacls.exeC:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M2⤵
- Modifies file permissions
PID:4460
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
- Size 46B
- SHA256 42481be778163ae9cfaa63b2aef80eb5423959dccc4d5a5e2d3b633c78b7a4f1
- MD5 fbc3683599481e3d71714b2338469616
- SHA1 c1d28e7d7085e990668fbaff227cba675b597b57
- SHA512 cb0b17669ddb30891222a56b28b94117f83cc6d097ae6a4624e6cdafa59b91a53045297f7276dea843da2d7dec3594e35b1ed9210ce1f8812cb6e8ae7aa865cc
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\flatlaf.temp\flatlaf-windows-x86_64-4561548297900.dll
- Size 23KB
- SHA256 f8a3af19341ac0f12f55ad28169d22b75aa66ed818692541307393c22f986727
- MD5 8b9f16320499ece60d7ff0c1249c6df7
- SHA1 cd8fc57c064533df66f0ceaaf5d76f8c4f8cb3a0
- SHA512 97384ee1faa1be807388f4077fde5db94010f06420b1ff3a05edf77fb91c9a8163b0a91cb1b7e648c0cd8c4d599e552050f64b8f7c5c81c1be60cd35f062e9d3
- SSDEEP 384:Fep/X3l1Fuq2nkWCzxyniD+lOejpwKNsOfJcbuAM+o/8E9VF0Ny9TLH:mNiqBLwuHeQeJHAMxkEX
- MD5 SHA1 SHA512 SSDEEP