Malware Analysis Report

2024-11-30 23:05

Sample ID 230221-yteacagc95
Target ChromiumUpdater_conex.zip
SHA256 dafacda4cfc0db8960891b2386b9cda1c0f521daddc8b6b8cca73fcbf12eae1b
Tags
aurora stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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
10/10

SHA256

dafacda4cfc0db8960891b2386b9cda1c0f521daddc8b6b8cca73fcbf12eae1b

Threat Level: Known bad

The file ChromiumUpdater_conex.zip was found to be: Known bad.

Malicious Activity Summary

aurora stealer

Aurora

Checks BIOS information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-02-21 20:05

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-21 20:04

Reported

2023-02-21 20:08

Platform

win7-20230220-en

Max time kernel

143s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ChromiumUpdater.exe"

Signatures

Aurora

stealer aurora

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\ChromiumUpdater.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\ChromiumUpdater.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ChromiumUpdater.exe

"C:\Users\Admin\AppData\Local\Temp\ChromiumUpdater.exe"

Network

Country Destination Domain Proto
FI 77.91.124.12:8081 tcp
FI 77.91.124.12:8081 tcp
FI 77.91.124.12:8081 tcp
FI 77.91.124.12:8081 tcp
FI 77.91.124.12:8081 tcp
FI 77.91.124.12:8081 tcp

Files

memory/824-54-0x0000000001150000-0x0000000001A62000-memory.dmp

memory/824-55-0x0000000001150000-0x0000000001A62000-memory.dmp

memory/824-56-0x0000000001150000-0x0000000001A62000-memory.dmp

memory/824-57-0x0000000001150000-0x0000000001A62000-memory.dmp

memory/824-58-0x0000000001150000-0x0000000001A62000-memory.dmp

memory/824-59-0x0000000001150000-0x0000000001A62000-memory.dmp

memory/824-60-0x0000000001150000-0x0000000001A62000-memory.dmp

memory/824-61-0x0000000001150000-0x0000000001A62000-memory.dmp

memory/824-62-0x0000000001150000-0x0000000001A62000-memory.dmp

memory/824-63-0x0000000001150000-0x0000000001A62000-memory.dmp

memory/824-64-0x0000000001150000-0x0000000001A62000-memory.dmp

memory/824-65-0x0000000001150000-0x0000000001A62000-memory.dmp

memory/824-66-0x0000000001150000-0x0000000001A62000-memory.dmp

memory/824-67-0x0000000001150000-0x0000000001A62000-memory.dmp

memory/824-68-0x0000000001150000-0x0000000001A62000-memory.dmp

memory/824-69-0x0000000001150000-0x0000000001A62000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-02-21 20:04

Reported

2023-02-21 20:08

Platform

win10v2004-20230220-en

Max time kernel

153s

Max time network

160s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ChromiumUpdater.exe"

Signatures

Aurora

stealer aurora

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\ChromiumUpdater.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\ChromiumUpdater.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ChromiumUpdater.exe

"C:\Users\Admin\AppData\Local\Temp\ChromiumUpdater.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 42.220.44.20.in-addr.arpa udp
FI 77.91.124.12:8081 tcp
FI 77.91.124.12:8081 tcp
IE 13.69.239.72:443 tcp
US 8.8.8.8:53 63.13.109.52.in-addr.arpa udp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
FI 77.91.124.12:8081 tcp
NL 173.223.113.164:443 tcp
FI 77.91.124.12:8081 tcp
FI 77.91.124.12:8081 tcp
FI 77.91.124.12:8081 tcp
FI 77.91.124.12:8081 tcp

Files

memory/4980-133-0x0000000000A90000-0x00000000013A2000-memory.dmp

memory/4980-134-0x0000000000A90000-0x00000000013A2000-memory.dmp

memory/4980-135-0x0000000000A90000-0x00000000013A2000-memory.dmp

memory/4980-136-0x0000000000A90000-0x00000000013A2000-memory.dmp

memory/4980-137-0x0000000000A90000-0x00000000013A2000-memory.dmp

memory/4980-138-0x0000000000A90000-0x00000000013A2000-memory.dmp

memory/4980-139-0x0000000000A90000-0x00000000013A2000-memory.dmp

memory/4980-140-0x0000000000A90000-0x00000000013A2000-memory.dmp

memory/4980-141-0x0000000000A90000-0x00000000013A2000-memory.dmp

memory/4980-142-0x0000000000A90000-0x00000000013A2000-memory.dmp

memory/4980-143-0x0000000000A90000-0x00000000013A2000-memory.dmp

memory/4980-144-0x0000000000A90000-0x00000000013A2000-memory.dmp

memory/4980-145-0x0000000000A90000-0x00000000013A2000-memory.dmp

memory/4980-146-0x0000000000A90000-0x00000000013A2000-memory.dmp

memory/4980-147-0x0000000000A90000-0x00000000013A2000-memory.dmp

memory/4980-148-0x0000000000A90000-0x00000000013A2000-memory.dmp

memory/4980-149-0x0000000000A90000-0x00000000013A2000-memory.dmp