86be8c7da56e9ee77a379a1c4a0be388063b189280efe24bc20db9c7b6c7bc52

Resubmissions

22-05-2024 23:33

240522-3jvlssdc92 7

Analysis

max time kernel
129s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 23:33

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General

Target

jars/JavaCheck.jar
Size

1KB
MD5

406496629c71d94faf131e1102df6472
SHA1

697f614453aedbf1cf12b038f107d0aaa8c5812b
SHA256

5f543cc5c1219024cc7c008fdba759b5bb9482482095960b2cfeb9bc9c86ab53
SHA512

a89f39610972fb6171a2a8d9753edb7323343aa855f8a3372c7ee345ba89f246fc14372869bd023ed68f8534f3c32f190ab894df94d51e2f5459250d75051eba

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

1400 icacls.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 2912 wrote to memory of 1400 2912 java.exe icacls.exe
PID 2912 wrote to memory of 1400 2912 java.exe icacls.exe

pid	process
1400	icacls.exe

description	pid	process	target process
PID 2912 wrote to memory of 1400	2912	java.exe	icacls.exe
PID 2912 wrote to memory of 1400	2912	java.exe	icacls.exe

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:2912

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:1400

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
63f89594949e549d60f45a832b857965

SHA1
306922cbc0de7b910debbcf1213b5d947b5766f4

SHA256
017618d8bb019a5205692589a8f70dd7e0017c40bae132ecb9070cba0c2d7bca

SHA512
347a3ef7444e58ff252969a7e55bb76f23e40a1058a5b5b927de3c7929dde266cf6990f1e86ea6ad88e75d5f91bc9cfbfe71c980c731a2b905e98dbefad4f104

Download Submit
memory/2912-2-0x0000018CDF7E0000-0x0000018CDFA50000-memory.dmp

Filesize
2.4MB

Download
memory/2912-12-0x0000018CDDE30000-0x0000018CDDE31000-memory.dmp

Filesize
4KB

Download
memory/2912-13-0x0000018CDF7E0000-0x0000018CDFA50000-memory.dmp

Filesize
2.4MB

Download