Malware Analysis Report

2024-10-19 08:16

Sample ID 240831-aw665svfpc
Target 9a8832f5781e272b83adce772f32a0fcee8ce070bb09e45b6bfec5e81c6ca3ba
SHA256 9a8832f5781e272b83adce772f32a0fcee8ce070bb09e45b6bfec5e81c6ca3ba
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

9a8832f5781e272b83adce772f32a0fcee8ce070bb09e45b6bfec5e81c6ca3ba

Threat Level: Known bad

The file 9a8832f5781e272b83adce772f32a0fcee8ce070bb09e45b6bfec5e81c6ca3ba 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 00:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-31 00:34

Reported

2024-08-31 00:37

Platform

win10v2004-20240802-en

Max time kernel

135s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b8a74dea32922967c44d7cb8bb7c559e6cebcf2e962e9e8be63516dc0cd52eed.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

Processes

C:\Users\Admin\AppData\Local\Temp\b8a74dea32922967c44d7cb8bb7c559e6cebcf2e962e9e8be63516dc0cd52eed.exe

"C:\Users\Admin\AppData\Local\Temp\b8a74dea32922967c44d7cb8bb7c559e6cebcf2e962e9e8be63516dc0cd52eed.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.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/2528-0-0x0000000000470000-0x0000000000504000-memory.dmp

memory/2528-1-0x0000000000470000-0x0000000000504000-memory.dmp

memory/2528-2-0x0000000000400000-0x0000000000504000-memory.dmp

memory/2528-3-0x0000000000400000-0x0000000000504000-memory.dmp