Malware Analysis Report

2024-10-19 08:15

Sample ID 240831-n4xvbssamq
Target d218907ba472e8de39e31c58b9d647bc.zip
SHA256 9da97e038fae835adccc97f6648cb271d623394618ed137b7e73d932cb2de2b8
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

9da97e038fae835adccc97f6648cb271d623394618ed137b7e73d932cb2de2b8

Threat Level: Known bad

The file d218907ba472e8de39e31c58b9d647bc.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 11:57

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-31 11:57

Reported

2024-08-31 12:00

Platform

win10v2004-20240802-en

Max time kernel

130s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\84c83d23f65d692e86e949b57f120d221ca39ba54587923763144442676002d7.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\84c83d23f65d692e86e949b57f120d221ca39ba54587923763144442676002d7.exe

"C:\Users\Admin\AppData\Local\Temp\84c83d23f65d692e86e949b57f120d221ca39ba54587923763144442676002d7.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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.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/4100-0-0x0000000000470000-0x0000000000504000-memory.dmp

memory/4100-1-0x0000000000470000-0x0000000000504000-memory.dmp

memory/4100-2-0x0000000000400000-0x0000000000504000-memory.dmp