5f8ef68ce4db869cc4458c4727067422e34fb6b55f50f1959e8877d0484728fb

Analysis

max time kernel
66s
max time network
53s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
26-04-2024 19:06

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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

4788 icacls.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 4868 wrote to memory of 4788 4868 java.exe icacls.exe
PID 4868 wrote to memory of 4788 4868 java.exe icacls.exe

pid	process
4788	icacls.exe

description	pid	process	target process
PID 4868 wrote to memory of 4788	4868	java.exe	icacls.exe
PID 4868 wrote to memory of 4788	4868	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:4868

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:4788

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

Loading Replay Monitor...

Downloads

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

Filesize
46B

MD5
bc8c5084cf3799f3eb7b9f29f7be87c6

SHA1
bfec9801e55c91d8b2a50db9f01cf2d96501d2a2

SHA256
4b1c626868592cb2822b10d4662dd12ac1588b724cf03f2923004676027b610b

SHA512
3f93f1d08ad6a59c991fdc88ae3eef7526a3262a1f7939fc4e398ada049570a8d2e06ba02eb5b0007db56be1c7a5c007e4a1c5150411bb8a4c7964c737e2c2d8

Download Submit
memory/4868-10-0x0000023200000000-0x0000023201000000-memory.dmp

Filesize
16.0MB

Download
memory/4868-12-0x000002327B880000-0x000002327B881000-memory.dmp

Filesize
4KB

Download
memory/4868-13-0x0000023200000000-0x0000023201000000-memory.dmp

Filesize
16.0MB

Download