Malware Analysis Report

2024-12-07 20:30

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

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

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

adwind persistence

Adwind family

Class file contains resources related to AdWind

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 01:02

Signatures

Adwind family

adwind

Class file contains resources related to AdWind

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-18 01:02

Reported

2024-11-18 01:04

Platform

win11-20241007-en

Max time kernel

138s

Max time network

151s

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-1-5-21-2410826464-2353372766-2364966905-1000\Software\Microsoft\Windows\CurrentVersion\Run\Home = "C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe -jar C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\.tmp\\1731891743328.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 3756 wrote to memory of 3660 N/A C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe C:\Windows\SYSTEM32\cmd.exe
PID 3756 wrote to memory of 3660 N/A C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe C:\Windows\SYSTEM32\cmd.exe
PID 3660 wrote to memory of 1124 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\reg.exe
PID 3660 wrote to memory of 1124 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\1731891743328.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\1731891743328.tmp" /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 who-gabriel.gl.at.ply.gg 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

Files

memory/3756-2-0x00000211E5980000-0x00000211E5BF0000-memory.dmp

memory/3756-14-0x00000211E40B0000-0x00000211E40B1000-memory.dmp

memory/3756-16-0x00000211E5BF0000-0x00000211E5C00000-memory.dmp

memory/3756-18-0x00000211E5C00000-0x00000211E5C10000-memory.dmp

memory/3756-20-0x00000211E5C10000-0x00000211E5C20000-memory.dmp

memory/3756-23-0x00000211E5C20000-0x00000211E5C30000-memory.dmp

memory/3756-24-0x00000211E5C30000-0x00000211E5C40000-memory.dmp

memory/3756-26-0x00000211E5C40000-0x00000211E5C50000-memory.dmp

memory/3756-28-0x00000211E5C50000-0x00000211E5C60000-memory.dmp

memory/3756-31-0x00000211E5C60000-0x00000211E5C70000-memory.dmp

memory/3756-35-0x00000211E5980000-0x00000211E5BF0000-memory.dmp

memory/3756-36-0x00000211E5C70000-0x00000211E5C80000-memory.dmp

memory/3756-39-0x00000211E40B0000-0x00000211E40B1000-memory.dmp

memory/3756-40-0x00000211E5BF0000-0x00000211E5C00000-memory.dmp

memory/3756-42-0x00000211E5C00000-0x00000211E5C10000-memory.dmp

memory/3756-43-0x00000211E5C10000-0x00000211E5C20000-memory.dmp

memory/3756-44-0x00000211E5C20000-0x00000211E5C30000-memory.dmp

memory/3756-45-0x00000211E5C30000-0x00000211E5C40000-memory.dmp

memory/3756-46-0x00000211E5C40000-0x00000211E5C50000-memory.dmp

memory/3756-47-0x00000211E5C50000-0x00000211E5C60000-memory.dmp

memory/3756-48-0x00000211E5C60000-0x00000211E5C70000-memory.dmp

memory/3756-49-0x00000211E5C70000-0x00000211E5C80000-memory.dmp

memory/3756-53-0x00000211E5C80000-0x00000211E5C90000-memory.dmp

memory/3756-54-0x00000211E5C80000-0x00000211E5C90000-memory.dmp

memory/3756-58-0x00000211E5C90000-0x00000211E5CA0000-memory.dmp

memory/3756-63-0x00000211E5C90000-0x00000211E5CA0000-memory.dmp