Malware Analysis Report

2024-10-23 20:58

Sample ID 240901-gzsaqatdmq
Target 5b030e5ae2f231bacce67ced42ba8069c9a36d4580df4e437801ac50b23c367d
SHA256 5b030e5ae2f231bacce67ced42ba8069c9a36d4580df4e437801ac50b23c367d
Tags
expiro backdoor discovery
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

5b030e5ae2f231bacce67ced42ba8069c9a36d4580df4e437801ac50b23c367d

Threat Level: Known bad

The file 5b030e5ae2f231bacce67ced42ba8069c9a36d4580df4e437801ac50b23c367d was found to be: Known bad.

Malicious Activity Summary

expiro backdoor discovery

Expiro, m0yv

Expiro payload

System Location Discovery: System Language Discovery

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-01 06:14

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-01 06:14

Reported

2024-09-01 06:17

Platform

win7-20240704-en

Max time kernel

15s

Max time network

21s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5fe5e2861f87eb45375de51856cbce7e7b56fb28f486372ee2c91356e4338f48.exe"

Signatures

Expiro, m0yv

backdoor expiro

Expiro payload

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

Processes

C:\Users\Admin\AppData\Local\Temp\5fe5e2861f87eb45375de51856cbce7e7b56fb28f486372ee2c91356e4338f48.exe

"C:\Users\Admin\AppData\Local\Temp\5fe5e2861f87eb45375de51856cbce7e7b56fb28f486372ee2c91356e4338f48.exe"

Network

N/A

Files

memory/1944-0-0x0000000000DFB000-0x0000000000E8E000-memory.dmp

memory/1944-2-0x0000000000DFB000-0x0000000000E8E000-memory.dmp

memory/1944-1-0x0000000000D90000-0x0000000000E8E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-01 06:14

Reported

2024-09-01 06:17

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5fe5e2861f87eb45375de51856cbce7e7b56fb28f486372ee2c91356e4338f48.exe"

Signatures

Expiro, m0yv

backdoor expiro

Expiro payload

backdoor
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A 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\5fe5e2861f87eb45375de51856cbce7e7b56fb28f486372ee2c91356e4338f48.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5fe5e2861f87eb45375de51856cbce7e7b56fb28f486372ee2c91356e4338f48.exe

"C:\Users\Admin\AppData\Local\Temp\5fe5e2861f87eb45375de51856cbce7e7b56fb28f486372ee2c91356e4338f48.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/4604-0-0x0000000000A2B000-0x0000000000ABE000-memory.dmp

memory/4604-2-0x00000000009C0000-0x0000000000ABE000-memory.dmp

memory/4604-1-0x0000000000A2B000-0x0000000000ABE000-memory.dmp

memory/4604-3-0x00000000009C0000-0x0000000000ABE000-memory.dmp