d706a6436424da221bb5d580378262a4e6545e1fb6fa13bd980a3a315a05d0fa

Analysis

max time kernel
143s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
12-02-2024 19:20

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General

Target

MultiMC/jars/JavaCheck.jar
Size

1KB
MD5

d99fb069f27752627d5fb056be46ff79
SHA1

c3e6a274c031a08588d89f7df8a52b499a88477e
SHA256

7a760ea37de913e5c15cec0ce2d65e1015867e1af3f4f7d9403a673f233e0cec
SHA512

89b2a6579b7abf0b80336c90b4f6e1a3419062fb8f3447942ca24bd8c1b8ec7339e02afe13db72f350110b9c41b5c2399e189ab1e6477fe6c51e7eadb9723fee

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

1924 icacls.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 1096 wrote to memory of 1924 1096 java.exe icacls.exe
PID 1096 wrote to memory of 1924 1096 java.exe icacls.exe

pid	process
1924	icacls.exe

description	pid	process	target process
PID 1096 wrote to memory of 1924	1096	java.exe	icacls.exe
PID 1096 wrote to memory of 1924	1096	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:1096

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:1924

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
5d5f836097fad950eba020e523a41a66

SHA1
52df8f10fce5d641a5654639f18dd4f9ea32332b

SHA256
e07bd17f9047613f3a3408b734111d620fde3c78b69146bb87c134c7bf8d1848

SHA512
8ebd81cec85c3e5676a34b1ba0a894c3f5f1a931602b85ce3c70a50bbca45b9c8313e7fde8e73e20437aac6fbcbf9df6058e22dbbef73c1012dcfd3fb82e9d78

Download Submit
memory/1096-4-0x0000013EEEB70000-0x0000013EEFB70000-memory.dmp

Filesize
16.0MB

Download
memory/1096-12-0x0000013EED380000-0x0000013EED381000-memory.dmp

Filesize
4KB

Download