5803b5cfcfedf8c64f0ad830a4dc54fa26b378c594c8cc5ca9d6716581f42afd

Analysis

max time kernel
139s
max time network
110s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
16/05/2024, 19:11

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General

Target

jars/JavaCheck.jar
Size

1KB
MD5

f62d3996b12c029c3a3bad80b70aa483
SHA1

5707a289a2487602e02376378deb63e75de2e83a
SHA256

885bb0c56f0657fda08ad5d46043db424e3ff9965757039b30e1a656751c5e3b
SHA512

8b952e47b1e5cc061157412771b2d4ecb3215246e43ba12bb3fd83da6f6957c4b722cc6bf77c5bd067a4b6f50f5a26a2b6542f04e7b1cc02d78b39c440d8d949

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1420	icacls.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1836 wrote to memory of 1420	1836	java.exe	85
PID 1836 wrote to memory of 1420	1836	java.exe	85

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\jars\JavaCheck.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:1836
- 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:1420

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
6bbccb5fc06bac53503d0dba770ca863

SHA1
160d718366085aa77140328a0759931d78000f1d

SHA256
c42a721f5b6eba44b5f95694876cc9b8ff4c0229bb66e8b9a1a36db764545ee2

SHA512
c58228ab56347e85d47f49769d81035a38c047b382df69e6a62e2325e768e447938ec2b45ce8647b991300811c219c8cc2198949d4447118ce71159cb7ed2dbe

Download Submit
memory/1836-2-0x00000126E1340000-0x00000126E15B0000-memory.dmp

Filesize
2.4MB

Download
memory/1836-11-0x00000126E1320000-0x00000126E1321000-memory.dmp

Filesize
4KB

Download
memory/1836-13-0x00000126E1340000-0x00000126E15B0000-memory.dmp

Filesize
2.4MB

Download