85c9b01515c4f19f797d8753d7187f463b3c742012bd22d3ea84c222ea7f5a76

Analysis

max time kernel
140s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
24/10/2023, 01:12

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General

Target

MultiMC/jars/JavaCheck.jar
Size

1KB
MD5

b1ea021a522920256af04f2770691d21
SHA1

a873013577fdf73440081299fe6fbbfa95b5c6f1
SHA256

03382aa4eb7a8e0989d445e7749dcd90fa9703620a24d384d8de2ddb789f9fe9
SHA512

c2fb361b0958b0cc815d0a8abe0318e3cf22d7cfacf6b5a100a20b93387816e9f28ff4360e0dad54b6dd8490d51541597980daafe356831579c1dab36db823b2

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4588	icacls.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3548 wrote to memory of 4588	3548	java.exe	89
PID 3548 wrote to memory of 4588	3548	java.exe	89

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:3548
- 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:4588

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

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Downloads

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

Filesize
46B

MD5
30df627d93d3111ff38428aac7b61089

SHA1
321c2ed781ee400ffce2211ff1b1cbc65e7c253e

SHA256
95796a0380c442916fee48162896a79edb423e5a18eef5828839d33e612ac8c9

SHA512
0fb4055c1da2af954346c03985d8c6e6e5a1e94242659bc33249d557061c52dcad30df7b0419cde24055e35faab43dcd303eb882c54e4e2b740a34eba65d24c1

Download Submit
memory/3548-2-0x000002412ED10000-0x000002412FD10000-memory.dmp

Filesize
16.0MB

Download
memory/3548-11-0x000002412ECF0000-0x000002412ECF1000-memory.dmp

Filesize
4KB

Download