Malware Analysis Report

2024-10-23 20:59

Sample ID 240901-h1wvzavbpr
Target 4c888d4000442a412ddd3741bb73ba05.zip
SHA256 499fc5576b65837f514298ee1c54efff8e2bfcb274f40259e3b198ce8b4a8781
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

499fc5576b65837f514298ee1c54efff8e2bfcb274f40259e3b198ce8b4a8781

Threat Level: Known bad

The file 4c888d4000442a412ddd3741bb73ba05.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 07:12

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-01 07:12

Reported

2024-09-01 07:15

Platform

win10v2004-20240802-en

Max time kernel

137s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8a58dd6939bf56ee3d247705cfbcea40f98f5c599fdabb0e24f375c5ca47da4d.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\8a58dd6939bf56ee3d247705cfbcea40f98f5c599fdabb0e24f375c5ca47da4d.exe

"C:\Users\Admin\AppData\Local\Temp\8a58dd6939bf56ee3d247705cfbcea40f98f5c599fdabb0e24f375c5ca47da4d.exe"

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 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/112-0-0x0000000000470000-0x0000000000504000-memory.dmp

memory/112-2-0x0000000000400000-0x0000000000504000-memory.dmp

memory/112-1-0x0000000000470000-0x0000000000504000-memory.dmp

memory/112-3-0x0000000000400000-0x0000000000504000-memory.dmp