aa3c568c88329c4dd471492c0db25a6c299b4346562d63e850e3064902d86d69

Analysis

max time kernel
90s
max time network
98s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
09/03/2024, 20:25

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General

Target

jars/JavaCheck.jar
Size

1KB
MD5

b7b48051f47b0f34db559d90de94815c
SHA1

1c663d7bf62ca5e56206426874c39e0179a1bc50
SHA256

01bfea23e2c9fb63d14c60eac452ffe1426d6265beb0478e4d5b539c0f03da98
SHA512

7d0d45d523e202dbf236a9fd84241fffec09e7be3a1e40ebff9efe4f8bcd1fa9cde6b843c68a65bf536bfc5b44a6354c8736a67e66d5007223d6bfad7152f752

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4712	icacls.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5116 wrote to memory of 4712	5116	java.exe	79
PID 5116 wrote to memory of 4712	5116	java.exe	79

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:5116
- 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:4712

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
a0a93ee1853e127c83f0a5aa930b71ae

SHA1
c6d3c7da0aad4130c0fd26b3d1b235e46a0153ac

SHA256
ab39038241ac3daed6a1385d0dc72f7ee858682c6b846e3d6228bec939ccdf64

SHA512
324b22898266b586dff9ec1bfc8954b1271b8be8184af58411d3048e2d9a3436b6599d4cca5681875791ae9be93e2ea787edd638dc0248a07cf67a7306311874

Download Submit
memory/5116-4-0x00000238AE010000-0x00000238AF010000-memory.dmp

Filesize
16.0MB

Download
memory/5116-11-0x00000238AC9A0000-0x00000238AC9A1000-memory.dmp

Filesize
4KB

Download
memory/5116-13-0x00000238AE010000-0x00000238AF010000-memory.dmp

Filesize
16.0MB

Download