Malware Analysis Report

2025-06-15 22:16

Sample ID 241109-yf9t4a1bql
Target 2024-11-09_e4aef8e8db3b147e977b88069732489c_chir_hijackloader_mafia
SHA256 4bbfdc45c7fbbcf4e820e281ad55a428bc41715b1109f4164c36ca86ee9dd948
Tags
discovery persistence
score
6/10

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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
6/10

SHA256

4bbfdc45c7fbbcf4e820e281ad55a428bc41715b1109f4164c36ca86ee9dd948

Threat Level: Shows suspicious behavior

The file 2024-11-09_e4aef8e8db3b147e977b88069732489c_chir_hijackloader_mafia was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery persistence

Adds Run key to start application

Drops file in System32 directory

System Location Discovery: System Language Discovery

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 19:44

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 19:44

Reported

2024-11-09 19:47

Platform

win7-20241023-en

Max time kernel

122s

Max time network

123s

Command Line

C:\Windows\Explorer.EXE

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Runonce = "C:\\Windows\\system32\\runouce.exe" C:\Users\Admin\AppData\Local\Temp\2024-11-09_e4aef8e8db3b147e977b88069732489c_chir_hijackloader_mafia.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\runouce.exe C:\Users\Admin\AppData\Local\Temp\2024-11-09_e4aef8e8db3b147e977b88069732489c_chir_hijackloader_mafia.exe N/A
File opened for modification C:\Windows\SysWOW64\runouce.exe C:\Users\Admin\AppData\Local\Temp\2024-11-09_e4aef8e8db3b147e977b88069732489c_chir_hijackloader_mafia.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-11-09_e4aef8e8db3b147e977b88069732489c_chir_hijackloader_mafia.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-11-09_e4aef8e8db3b147e977b88069732489c_chir_hijackloader_mafia.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\2024-11-09_e4aef8e8db3b147e977b88069732489c_chir_hijackloader_mafia.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-09_e4aef8e8db3b147e977b88069732489c_chir_hijackloader_mafia.exe"

C:\Users\Admin\AppData\Local\Temp\2024-11-09_e4aef8e8db3b147e977b88069732489c_chir_hijackloader_mafia.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-09_e4aef8e8db3b147e977b88069732489c_chir_hijackloader_mafia.exe"

Network

N/A

Files

memory/2404-0-0x0000000001390000-0x00000000013DA000-memory.dmp

memory/2416-4-0x0000000001390000-0x00000000013DA000-memory.dmp

memory/1088-3-0x0000000002530000-0x0000000002531000-memory.dmp

memory/1088-2-0x0000000002530000-0x0000000002531000-memory.dmp

memory/2404-5-0x0000000001390000-0x00000000013DA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 19:44

Reported

2024-11-09 19:47

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-09_e4aef8e8db3b147e977b88069732489c_chir_hijackloader_mafia.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2024-11-09_e4aef8e8db3b147e977b88069732489c_chir_hijackloader_mafia.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-09_e4aef8e8db3b147e977b88069732489c_chir_hijackloader_mafia.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4684 -ip 4684

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4684 -s 472

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4684 -ip 4684

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4684 -s 480

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 70.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/4684-0-0x00000000003A0000-0x00000000003EA000-memory.dmp

memory/4684-1-0x00000000003A0000-0x00000000003EA000-memory.dmp