Malware Analysis Report

2024-10-19 08:16

Sample ID 240831-jy3q6stdjc
Target f7b827dce8dd3c6fd15a63a15a370206.zip
SHA256 8398a981b42f9a8d876fd8ee99a16577fbeca65baafd3d3cdaaf35361d3d4791
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

8398a981b42f9a8d876fd8ee99a16577fbeca65baafd3d3cdaaf35361d3d4791

Threat Level: Known bad

The file f7b827dce8dd3c6fd15a63a15a370206.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

2024-08-31 08:05

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-31 08:05

Reported

2024-08-31 08:08

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a58f9b92095000612160b11c5a9be8898e9d35e9f3d0df78d9f0cfdb7479edd0.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\a58f9b92095000612160b11c5a9be8898e9d35e9f3d0df78d9f0cfdb7479edd0.exe

"C:\Users\Admin\AppData\Local\Temp\a58f9b92095000612160b11c5a9be8898e9d35e9f3d0df78d9f0cfdb7479edd0.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.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

Files

memory/3656-0-0x0000000000470000-0x0000000000504000-memory.dmp

memory/3656-2-0x0000000000400000-0x0000000000504000-memory.dmp

memory/3656-1-0x0000000000470000-0x0000000000504000-memory.dmp

memory/3656-3-0x0000000000400000-0x0000000000504000-memory.dmp