Malware Analysis Report

2024-12-07 20:30

Sample ID 241118-bff6fstpcz
Target build.jar
SHA256 39ab8b4c44eae3af560333ef83087a2d211e5af82c052b48a8fbb131f5f8850a
Tags
persistence adwind
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

39ab8b4c44eae3af560333ef83087a2d211e5af82c052b48a8fbb131f5f8850a

Threat Level: Known bad

The file build.jar was found to be: Known bad.

Malicious Activity Summary

persistence adwind

Class file contains resources related to AdWind

Adwind family

Adds Run key to start application

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-18 01:04

Signatures

Adwind family

adwind

Class file contains resources related to AdWind

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-18 01:04

Reported

2024-11-18 01:08

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

154s

Command Line

java -jar C:\Users\Admin\AppData\Local\Temp\build.jar

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Home = "C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe -jar C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\.tmp\\1731891968317.tmp" C:\Windows\system32\reg.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 412 wrote to memory of 3068 N/A C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe C:\Windows\SYSTEM32\cmd.exe
PID 412 wrote to memory of 3068 N/A C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe C:\Windows\SYSTEM32\cmd.exe
PID 3068 wrote to memory of 1492 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\reg.exe
PID 3068 wrote to memory of 1492 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\reg.exe

Processes

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe

java -jar C:\Users\Admin\AppData\Local\Temp\build.jar

C:\Windows\SYSTEM32\cmd.exe

cmd.exe /c "REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /d "C:\Program Files\Java\jre-1.8\bin\javaw.exe -jar C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1731891968317.tmp" /f"

C:\Windows\system32\reg.exe

REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /d "C:\Program Files\Java\jre-1.8\bin\javaw.exe -jar C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1731891968317.tmp" /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 who-gabriel.gl.at.ply.gg udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 147.185.221.23:45700 who-gabriel.gl.at.ply.gg tcp
US 8.8.8.8:53 23.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 22.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/412-2-0x0000027ECAE00000-0x0000027ECB070000-memory.dmp

memory/412-14-0x0000027EC9630000-0x0000027EC9631000-memory.dmp

memory/412-16-0x0000027ECB070000-0x0000027ECB080000-memory.dmp

memory/412-19-0x0000027ECB080000-0x0000027ECB090000-memory.dmp

memory/412-24-0x0000027ECB0B0000-0x0000027ECB0C0000-memory.dmp

memory/412-22-0x0000027ECB0A0000-0x0000027ECB0B0000-memory.dmp

memory/412-21-0x0000027ECB090000-0x0000027ECB0A0000-memory.dmp

memory/412-26-0x0000027ECB0C0000-0x0000027ECB0D0000-memory.dmp

memory/412-28-0x0000027ECB0D0000-0x0000027ECB0E0000-memory.dmp

memory/412-30-0x0000027ECB0E0000-0x0000027ECB0F0000-memory.dmp

memory/412-33-0x0000027ECAE00000-0x0000027ECB070000-memory.dmp

memory/412-34-0x0000027ECB0F0000-0x0000027ECB100000-memory.dmp

memory/412-36-0x0000027ECB100000-0x0000027ECB110000-memory.dmp

memory/412-41-0x0000027EC9630000-0x0000027EC9631000-memory.dmp

memory/412-42-0x0000027ECB070000-0x0000027ECB080000-memory.dmp

memory/412-43-0x0000027ECB080000-0x0000027ECB090000-memory.dmp

memory/412-45-0x0000027ECB090000-0x0000027ECB0A0000-memory.dmp

memory/412-46-0x0000027ECB0A0000-0x0000027ECB0B0000-memory.dmp

memory/412-47-0x0000027ECB0B0000-0x0000027ECB0C0000-memory.dmp

memory/412-48-0x0000027ECB0C0000-0x0000027ECB0D0000-memory.dmp

memory/412-49-0x0000027ECB0D0000-0x0000027ECB0E0000-memory.dmp

memory/412-50-0x0000027ECB0E0000-0x0000027ECB0F0000-memory.dmp

memory/412-51-0x0000027ECB0F0000-0x0000027ECB100000-memory.dmp

memory/412-52-0x0000027ECB100000-0x0000027ECB110000-memory.dmp

memory/412-56-0x0000027ECB110000-0x0000027ECB120000-memory.dmp

memory/412-58-0x0000027ECB110000-0x0000027ECB120000-memory.dmp

memory/412-63-0x0000027ECB120000-0x0000027ECB130000-memory.dmp

memory/412-65-0x0000027ECB120000-0x0000027ECB130000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-18 01:04

Reported

2024-11-18 01:08

Platform

win7-20241023-en

Max time kernel

120s

Max time network

122s

Command Line

java -jar C:\Users\Admin\AppData\Local\Temp\build.jar

Signatures

N/A

Processes

C:\Windows\system32\java.exe

java -jar C:\Users\Admin\AppData\Local\Temp\build.jar

Network

N/A

Files

memory/2536-2-0x0000000002600000-0x0000000002870000-memory.dmp

memory/2536-11-0x0000000000340000-0x0000000000341000-memory.dmp

memory/2536-12-0x0000000002600000-0x0000000002870000-memory.dmp