541593de78f03a5c0fe6aa5146148b320daa1582e1940d8f53530daa9d839a18

Analysis

max time kernel
128s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25-02-2024 12:15

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a3c158be8374abd88fa2017ed42b1993.jar
Size

79KB
MD5

a3c158be8374abd88fa2017ed42b1993
SHA1

32a0e441efd32cfe7b052f4b39cec6bf7210ef0f
SHA256

541593de78f03a5c0fe6aa5146148b320daa1582e1940d8f53530daa9d839a18
SHA512

d3b15193f948d34bb6b7560e0fb51a228354bb3bf0c2b12836ebe38ac0e9f93968acff79d23d540c34f64c2ec241a4211a6e78613d4412362cfbff4f2eab22be
SSDEEP

1536:BUukjxiLjb9Atk31fd7UiBrqYYZ3Nz+2SN+n1cswwiCT3ZbR2OLaztWf31ns:ByjxiBAtuZjp/YNNz+2SN+n19di83ZbY

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

4788 icacls.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 660 wrote to memory of 4788 660 java.exe icacls.exe
PID 660 wrote to memory of 4788 660 java.exe icacls.exe

pid	process
4788	icacls.exe

description	pid	process	target process
PID 660 wrote to memory of 4788	660	java.exe	icacls.exe
PID 660 wrote to memory of 4788	660	java.exe	icacls.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\a3c158be8374abd88fa2017ed42b1993.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:660

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:4788

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

Loading Replay Monitor...

Downloads

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
Filesize
46B

MD5
15740ec2dce69ec233aa58e73c4257c2

SHA1
3ed3ded7b594d69b77663b94702a64166afd8236

SHA256
a0a056bfb655503b9d58d7170de700943238eb6f8ca9e28b4d8525d841d2ecb7

SHA512
e7e131e3e7e233f49ddb2b89366752a703a4409e42b89c0ddf82df073cc6a7add47c1c2bbbf27bee2e232068f7433b78ec0ef0633c912fbee8616b54b78d775b

Download Submit
memory/660-47-0x0000020E49C80000-0x0000020E49C81000-memory.dmp

Filesize
4KB

Download
memory/660-28-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

Filesize
16.0MB

Download
memory/660-50-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

Filesize
16.0MB

Download
memory/660-64-0x0000020E49C80000-0x0000020E49C81000-memory.dmp

Filesize
4KB

Download
memory/660-62-0x0000020E49C80000-0x0000020E49C81000-memory.dmp

Filesize
4KB

Download
memory/660-32-0x0000020E49C80000-0x0000020E49C81000-memory.dmp

Filesize
4KB

Download
memory/660-37-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

Filesize
16.0MB

Download
memory/660-45-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

Filesize
16.0MB

Download
memory/660-46-0x0000020E49C80000-0x0000020E49C81000-memory.dmp

Filesize
4KB

Download
memory/660-4-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

Filesize
16.0MB

Download
memory/660-16-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

Filesize
16.0MB

Download
memory/660-18-0x0000020E49C80000-0x0000020E49C81000-memory.dmp

Filesize
4KB

Download
memory/660-26-0x0000020E49C80000-0x0000020E49C81000-memory.dmp

Filesize
4KB

Download
memory/660-83-0x0000020E49C80000-0x0000020E49C81000-memory.dmp

Filesize
4KB

Download
memory/660-96-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

Filesize
16.0MB

Download
memory/660-106-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

Filesize
16.0MB

Download
memory/660-110-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

Filesize
16.0MB

Download
memory/660-113-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

Filesize
16.0MB

Download
memory/660-116-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

Filesize
16.0MB

Download
memory/660-120-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

Filesize
16.0MB

Download
memory/660-122-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

Filesize
16.0MB

Download