85c9b01515c4f19f797d8753d7187f463b3c742012bd22d3ea84c222ea7f5a76

Analysis

max time kernel
314s
max time network
1620s
platform
windows10-1703_x64
resource
win10-20231020-es
resource tags

arch:x64arch:x86image:win10-20231020-eslocale:es-esos:windows10-1703-x64systemwindows
submitted
06/11/2023, 21:34

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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
5100	icacls.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3908 wrote to memory of 5100	3908	java.exe	72
PID 3908 wrote to memory of 5100	3908	java.exe	72

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:3908
- 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:5100

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
9e8a7b6844d2ca6ee018c7b864628d93

SHA1
d9187872b4c1eb586cd75afbac0d9ec59146197b

SHA256
c8c79f55c7d5a6787afdc2821a25cc3179a4929e638e38ca8260497f7608776a

SHA512
847319809a6f957d26e27ee7917ec84d13399c93581b9fb6a1118b8735136b659765b8768ca855e02649d667bfe50e494d0e39143f05336d616a2baf30a772b9

Download Submit
memory/3908-4-0x000002381FAF0000-0x0000023820AF0000-memory.dmp

Filesize
16.0MB

Download
memory/3908-12-0x000002381FAD0000-0x000002381FAD1000-memory.dmp

Filesize
4KB

Download