Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
08/05/2026, 12:00
Behavioral task
behavioral1
Sample
CrossRAT.jar
Resource
win10v2004-20260130-en
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
CrossRAT.jar
Resource
win11-20260130-en
3 signatures
150 seconds
General
- Target CrossRAT.jar
- Size 217KB
- Sample260508-n6c8psbw4j
- SHA256 15af5bbf3c8d5e5db41fd7c3d722e8b247b40f2da747d5c334f7fd80b715a649
- MD5 85b794e080d83a91e904b97769e1e770
- SHA1 b23e070dadc997759574d5ee92c7753b84968f50
- SHA512 a5d4bbcac12a36294a5e9005b7ad9a0ae817dda1ddb67a05e85cab0c29bcbdc936b7a4c6b45385b57eda71c6d80555791c63b9491e8dbc3ef664c87ff7482fd7
- SSDEEP 6144:fHlBHxlxKspNWClCc+jp72G0gZ/ZJSEOaqLFjt+WV:fFtxlaClCc+jp72G0shJ2aq5jUw
- TLSH T16B240278FD93E0B0F407D034E190D926622D0249A1898A5B9EE76A53DE20CD52F1FADF
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
Malware Config
Signatures
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000\Software\Microsoft\Windows\CurrentVersion\Run\mediamgrs = "C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe -jar C:\\Users\\Admin\\AppData\\Local\\Temp\\mediamgrs.jar" reg.exe - Modifies registry key 1 TTPs 1 IoCs
pid Process 4060 reg.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3008 wrote to memory of 4060 3008 java.exe 81
Processes
-
C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\CrossRAT.jar1⤵
- Suspicious use of WriteProcessMemory
PID:3008 -
C:\Windows\SYSTEM32\reg.exereg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run\ /v mediamgrs /t REG_SZ /d "C:\Program Files\Java\jre-1.8\bin\javaw.exe -jar "C:\Users\Admin\AppData\Local\Temp\mediamgrs.jar"" /f2⤵
- Adds Run key to start application
- Modifies registry key
PID:4060
-