5d12fb93a3f9c48e0863da39809270af03aac542b74f0145aa3fc4e033b36ddf

Analysis

max time kernel
150s
max time network
154s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
20-04-2024 07:04

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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

2984 icacls.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 1900 wrote to memory of 2984 1900 java.exe icacls.exe
PID 1900 wrote to memory of 2984 1900 java.exe icacls.exe

pid	process
2984	icacls.exe

description	pid	process	target process
PID 1900 wrote to memory of 2984	1900	java.exe	icacls.exe
PID 1900 wrote to memory of 2984	1900	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:1900

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:2984

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
f5d738c430cddac1bb08c4872c42be2e

SHA1
10c82d577d775ee1901d9ce1cd930d3100d71682

SHA256
4366fca5e8b78f8de714ab71697964130bb2c8a25020532d82c3affe6a30346d

SHA512
ec3ea67a2079769893608e994d3ce6d302c002919e110c09355cb2ce0015c88432f30c50f25a1bbddabdd612ff91fedd1868d9dede7f5f6d14d89ee1429202db

Download Submit
memory/1900-4-0x000001BC88580000-0x000001BC89580000-memory.dmp

Filesize
16.0MB

Download
memory/1900-11-0x000001BC88560000-0x000001BC88561000-memory.dmp

Filesize
4KB

Download
memory/1900-13-0x000001BC88580000-0x000001BC89580000-memory.dmp

Filesize
16.0MB

Download