Malware Analysis Report

2024-10-19 08:16

Sample ID 240831-g58vnazeml
Target cd990e6517184e2e3b644768fa0290d1.zip
SHA256 80fbe5ed42c7abc99978959b61f23874791e0f3ee1688190f45d80eb02fe5d6c
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

80fbe5ed42c7abc99978959b61f23874791e0f3ee1688190f45d80eb02fe5d6c

Threat Level: Known bad

The file cd990e6517184e2e3b644768fa0290d1.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 06:24

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-31 06:24

Reported

2024-08-31 06:26

Platform

win10v2004-20240802-en

Max time kernel

133s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8b10c02ef7085cf46fa555644b72a1fbb6c6f4bfe538ae8c9729cbdc6b60f7f9.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\8b10c02ef7085cf46fa555644b72a1fbb6c6f4bfe538ae8c9729cbdc6b60f7f9.exe

"C:\Users\Admin\AppData\Local\Temp\8b10c02ef7085cf46fa555644b72a1fbb6c6f4bfe538ae8c9729cbdc6b60f7f9.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4120,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=4036 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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

Files

memory/2864-0-0x0000000000470000-0x0000000000504000-memory.dmp

memory/2864-1-0x0000000000470000-0x0000000000504000-memory.dmp

memory/2864-2-0x0000000000400000-0x0000000000504000-memory.dmp