b28e574048022dfe9483a9054f2bb96bc597d64c93a2a36ad27c03034ab5f185

Analysis

max time kernel
150s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
22-03-2024 03:15

Target

b28e574048022dfe9483a9054f2bb96bc597d64c93a2a36ad27c03034ab5f185.jar
Size

186KB
MD5

2f4085fc9e8ff8495114910c1d93342d
SHA1

61c71ed13a00a3b271d6ea1400fc58e248654cab
SHA256

b28e574048022dfe9483a9054f2bb96bc597d64c93a2a36ad27c03034ab5f185
SHA512

a93cf098f9a40520229e28f34a6831afdb099a67321708d1425c232f6942b2ee1d326d683021bff6055e110d65c0e0727d4aa88b277cbf3bba1b0c2062507e73
SSDEEP

3072:ULrNBttm1LfHpGQH0TchAOuP47zpiNukQ0HceZ2+jzQndHvSn2JVAJpE7M9nrI2M:Un72pachnd7zpiNlHceZrcdHhVA2IrIJ

Score

7^/10

discovery

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

4184 icacls.exe

pid	process
4184	icacls.exe

Drops file in Program Files directory 12 IoCs

Processes:

java.exe

description	ioc	process
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\symbols\dll\ntdll.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\dll\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\dll\ntdll.pdb	java.exe
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\server\dll\jvm.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\ntdll.pdb	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 2940 wrote to memory of 4184 2940 java.exe icacls.exe
PID 2940 wrote to memory of 4184 2940 java.exe icacls.exe

description	pid	process	target process
PID 2940 wrote to memory of 4184	2940	java.exe	icacls.exe
PID 2940 wrote to memory of 4184	2940	java.exe	icacls.exe

C:\Windows\system32\icacls.exe
C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
2⤵
- Modifies file permissions
PID:4184

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3736 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
1⤵
PID:5044

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

memory/2940-2-0x000001D91DBA0000-0x000001D91EBA0000-memory.dmp

Filesize
16.0MB

Download
memory/2940-11-0x000001D91DB80000-0x000001D91DB81000-memory.dmp

Filesize
4KB

Download
memory/2940-17-0x000001D91DBA0000-0x000001D91EBA0000-memory.dmp

Filesize
16.0MB

Download
memory/2940-19-0x000001D91DBA0000-0x000001D91EBA0000-memory.dmp

Filesize
16.0MB

Download