37cb78b80ae24dd4d2d444afd1db5f15c33bfdc5263e64024be59ef16868d357

Analysis

max time kernel
172s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
16-07-2023 14:58

Target

OptiFine_1.20.1_HD_U_I5.jar
Size

6.8MB
MD5

3f2cbfe066a529a18c844ec42d1ddb6f
SHA1

c44bd276edd10fa910d929a4e7f6b8c7ffe6c23f
SHA256

37cb78b80ae24dd4d2d444afd1db5f15c33bfdc5263e64024be59ef16868d357
SHA512

c25742255d174ad937cf45e252306f7548866119d9f6920057c8bbe2c5f8235effadb19addfb86139fddbae0b27e01c0c3d389c86c3ae2063d7961275122f0d8
SSDEEP

98304:ZNYrw8I6nZsSMJ2GUxLrRkuYFSrQScVPLnhkSu+XiMbJ:x81nZR1GUZ9kukSkhhzHl

Score

4^/10

Drops file in Program Files directory 12 IoCs

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

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1540	java.exe
1540	java.exe

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4304

memory/1540-137-0x0000000002670000-0x0000000003670000-memory.dmp

Filesize
16.0MB

Download
memory/1540-147-0x0000000002100000-0x0000000002101000-memory.dmp

Filesize
4KB

Download
memory/1540-152-0x0000000002100000-0x0000000002101000-memory.dmp

Filesize
4KB

Download
memory/1540-154-0x0000000002100000-0x0000000002101000-memory.dmp

Filesize
4KB

Download
memory/1540-155-0x0000000002100000-0x0000000002101000-memory.dmp

Filesize
4KB

Download
memory/1540-160-0x0000000002670000-0x0000000003670000-memory.dmp

Filesize
16.0MB

Download
memory/1540-167-0x0000000002670000-0x0000000003670000-memory.dmp

Filesize
16.0MB

Download
memory/1540-169-0x0000000002670000-0x0000000003670000-memory.dmp

Filesize
16.0MB

Download
memory/1540-171-0x0000000002100000-0x0000000002101000-memory.dmp

Filesize
4KB

Download
memory/1540-173-0x0000000002670000-0x0000000003670000-memory.dmp

Filesize
16.0MB

Download
memory/1540-174-0x00000000028F0000-0x0000000002900000-memory.dmp

Filesize
64KB

Download
memory/1540-175-0x0000000002930000-0x0000000002940000-memory.dmp

Filesize
64KB

Download
memory/1540-176-0x0000000002670000-0x0000000003670000-memory.dmp

Filesize
16.0MB

Download