5d12fb93a3f9c48e0863da39809270af03aac542b74f0145aa3fc4e033b36ddf

Analysis

max time kernel
146s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
29-05-2024 15:24

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General

Target

MultiMC/jars/JavaCheck.jar
Size

1KB
MD5

a0b69fde80253c8fe9616ead35b6236c
SHA1

cbcb8fcdecbf509f80210ddaed6738ac94ba183f
SHA256

b8a91afe70d3c6aabbba075a0bed9f8f7f2b28ffb2e0b96552b761828e5ed451
SHA512

22fd17c66576fb02bf0b6aea24de2b2d3b6678a6d6d57ce0b47a0df4b2c3c2553d221b01c90f0ba9a9a1e9aa2948a22defb0baa394d69863be4cafe1455b83cf

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

1776 icacls.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 4852 wrote to memory of 1776 4852 java.exe icacls.exe
PID 4852 wrote to memory of 1776 4852 java.exe icacls.exe

pid	process
1776	icacls.exe

description	pid	process	target process
PID 4852 wrote to memory of 1776	4852	java.exe	icacls.exe
PID 4852 wrote to memory of 1776	4852	java.exe	icacls.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\MultiMC\jars\JavaCheck.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:4852

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:1776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

Filesize
46B

MD5
c2d2cb253f95c7c93077cac6e941dd21

SHA1
2bae41dc36c22dfde3d630e44193d8800ec3ffbf

SHA256
c5da945a423b79413135645ebe65ec80cc9a8b18511d8253e756623a76087e20

SHA512
5c684e16618986cc0538001620a532e8d2f445d025af4cb2be04c3292bca8d0421f6544d81b6106fb850bb10c96e9be4c8137c627ec1130b849a214cc9dec840

Download Submit
memory/4852-2-0x000001E580000000-0x000001E580270000-memory.dmp

Filesize
2.4MB

Download
memory/4852-12-0x000001E5F5010000-0x000001E5F5011000-memory.dmp

Filesize
4KB

Download
memory/4852-13-0x000001E580000000-0x000001E580270000-memory.dmp

Filesize
2.4MB

Download