5d12fb93a3f9c48e0863da39809270af03aac542b74f0145aa3fc4e033b36ddf

Analysis

max time kernel
106s
max time network
134s
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 07:34

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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

3052 icacls.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 776 wrote to memory of 3052 776 java.exe icacls.exe
PID 776 wrote to memory of 3052 776 java.exe icacls.exe

pid	process
3052	icacls.exe

description	pid	process	target process
PID 776 wrote to memory of 3052	776	java.exe	icacls.exe
PID 776 wrote to memory of 3052	776	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:776

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:3052

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
06a4b5f5b6c3d44da130ebfa62ec7e5f

SHA1
7e23f9d15a6de10057e860a6623677b4edb7d2fe

SHA256
dd406f7df2f46d3ffcd01b2ed009396daf943ec1f3d6d198c841438ba0bc2357

SHA512
3ee325f41a7655671faa739b8d7f8559e1e1c6b3c1d0e29c90f54f19c698981d6a7c162dd01915e5e57c2ba3fd43e7f12681dbf53ed5226a38aaf3937bc5174a

Download Submit
memory/776-4-0x000001D8347E0000-0x000001D8357E0000-memory.dmp

Filesize
16.0MB

Download
memory/776-11-0x000001D832FC0000-0x000001D832FC1000-memory.dmp

Filesize
4KB

Download
memory/776-13-0x000001D8347E0000-0x000001D8357E0000-memory.dmp

Filesize
16.0MB

Download