Malware Analysis Report

2024-10-23 20:58

Sample ID 240901-qatlxs1gre
Target 9c388b450d20f0b42c5ed2029a01899a.zip
SHA256 d4b79ca12a5af49fae4754bb2148ffe6bd10f9df9d634f2ffbc5821b4d6c3df2
Tags
expiro backdoor
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

d4b79ca12a5af49fae4754bb2148ffe6bd10f9df9d634f2ffbc5821b4d6c3df2

Threat Level: Known bad

The file 9c388b450d20f0b42c5ed2029a01899a.zip was found to be: Known bad.

Malicious Activity Summary

expiro backdoor

Expiro, m0yv

Expiro payload

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-09-01 13:03

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-01 13:03

Reported

2024-09-01 13:06

Platform

win10v2004-20240802-en

Max time kernel

124s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6fe7e11bba8b8868a4130ae1e6afd296ac7bace3de03d20ce9d470d6cd906f83.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\6fe7e11bba8b8868a4130ae1e6afd296ac7bace3de03d20ce9d470d6cd906f83.exe

"C:\Users\Admin\AppData\Local\Temp\6fe7e11bba8b8868a4130ae1e6afd296ac7bace3de03d20ce9d470d6cd906f83.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.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
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/2696-0-0x0000000000470000-0x0000000000504000-memory.dmp

memory/2696-2-0x0000000000400000-0x0000000000504000-memory.dmp

memory/2696-1-0x0000000000470000-0x0000000000504000-memory.dmp

memory/2696-3-0x0000000000400000-0x0000000000504000-memory.dmp