Malware Analysis Report

2024-10-23 20:59

Sample ID 240901-feznma1hrp
Target 31f7e1170c082158c054d178a2df155e.zip
SHA256 45cfb1bad9a17eb8675806b9f3051ebd7ecde281759f04982ece790955b1706a
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

45cfb1bad9a17eb8675806b9f3051ebd7ecde281759f04982ece790955b1706a

Threat Level: Known bad

The file 31f7e1170c082158c054d178a2df155e.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 04:47

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-01 04:47

Reported

2024-09-01 04:50

Platform

win10v2004-20240802-en

Max time kernel

96s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4e62a3e83dca25bb4bd6b88c08862120bbc2934b1cfcdb34cc1c48d88d3b4bbd.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\4e62a3e83dca25bb4bd6b88c08862120bbc2934b1cfcdb34cc1c48d88d3b4bbd.exe

"C:\Users\Admin\AppData\Local\Temp\4e62a3e83dca25bb4bd6b88c08862120bbc2934b1cfcdb34cc1c48d88d3b4bbd.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 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
GB 95.101.143.219:443 www.bing.com tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 219.143.101.95.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.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 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/3144-0-0x0000000000470000-0x0000000000504000-memory.dmp

memory/3144-1-0x0000000000400000-0x0000000000504000-memory.dmp

memory/3144-2-0x0000000000470000-0x0000000000504000-memory.dmp

memory/3144-3-0x0000000000400000-0x0000000000504000-memory.dmp