Analysis
- max time kernel
56s - max time network
60s - platform
windows10-2004_x64 - resource
win10v2004-20231127-en - resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system - submitted
06/12/2023, 04:45
Behavioral task
behavioral1
Sample
Forge_1.8.9_injector.jar
Resource
win7-20231129-en
0 signatures
60 seconds
Behavioral task
behavioral2
Sample
Forge_1.8.9_injector.jar
Resource
win10v2004-20231127-en
4 signatures
60 seconds
General
- Target Forge_1.8.9_injector.jar
- Size 639KB
- Sample231206-fdlelsbd28
- SHA256 af89673e7ce9a62f60e6d10eb770ef87455d8ced8fcd329f3bf6617a7e76395e
- MD5 f6d0a3f22aa0f15e95402fb14cc81ea0
- SHA1 6206910efc75e5cedb4a976dc65ed31f1a41b58b
- SHA512 b2ef018a9a21959570e2478d303de2fef9eacf3c0424dfb52c0c4f71a9cbdbeba4f82f29d12ee096deb613f4a205b6ea39b13d1a6b3190ce9145d8800ce4688a
- SSDEEP 12288:ZX5GQ4/0OI7CX4reU+png4/9Rz+hUeN69xgIpmRyT3uus2FUSbzDow:ZXoQ0s7G463ng4nWZ69OaPuuRFnbzDow
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Modifies file permissions 1 TTPs 1 IoCs
pid Process 1796 icacls.exe - Drops file in Program Files directory 12 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jre-1.8\bin\server\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\dll\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\server\dll\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\symbols\dll\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\server\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\server\dll\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\dll\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\symbols\dll\ntdll.pdb java.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 412 java.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 412 wrote to memory of 1796 412 java.exe 87 PID 412 wrote to memory of 1796 412 java.exe 87
Processes
-
C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\Forge_1.8.9_injector.jar1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:412 -
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:1796
-
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 9cb51e0942f42c799d32dcf2fa2e4dc70a5de6d13ad8f6bc64b5c4ae092fb77b
- MD5 9288c60cd8556b027fe24b1d5776c6b0
- SHA1 5e45f24155e71b238d6c3336456de292792ea097
- SHA512 7f0bcb56aeddafba73d23a7c0a7cbdf480aa7124cba182c3e9b2d34432d2372878b98da698970c5fd36a84a066ee85568c83b9d02585733ece9f1926bdf25f0c
- MD5 SHA1 SHA512