Malware Analysis Report

2024-10-23 20:58

Sample ID 240901-2l6amsvcka
Target d48fbbce1ec5a96891a6f555f4387bfd.zip
SHA256 6a5954941cd072cffbca509d2010b5dc6f8038fe968cfd114dea0b27341ad159
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

6a5954941cd072cffbca509d2010b5dc6f8038fe968cfd114dea0b27341ad159

Threat Level: Known bad

The file d48fbbce1ec5a96891a6f555f4387bfd.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 22:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-01 22:41

Reported

2024-09-01 22:43

Platform

win10v2004-20240802-en

Max time kernel

125s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dcd9f801d6b986f9ed4707022d65d7cad5db06ff8e85f6b2ec40d7483fb9432e.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\dcd9f801d6b986f9ed4707022d65d7cad5db06ff8e85f6b2ec40d7483fb9432e.exe

"C:\Users\Admin\AppData\Local\Temp\dcd9f801d6b986f9ed4707022d65d7cad5db06ff8e85f6b2ec40d7483fb9432e.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=4340,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=1904 /prefetch:8

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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 71.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/5084-0-0x0000000000470000-0x0000000000504000-memory.dmp

memory/5084-1-0x0000000000470000-0x0000000000504000-memory.dmp

memory/5084-2-0x0000000000400000-0x0000000000504000-memory.dmp