Malware Analysis Report

2024-10-19 08:16

Sample ID 240831-hrj5ta1dpd
Target dbf4b92867067cfae411e3944d65e7a4.zip
SHA256 bf8ca5e57173136752c37c1727f00164143ed1f8a6eafadd6b62c5e46c67ddc5
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

bf8ca5e57173136752c37c1727f00164143ed1f8a6eafadd6b62c5e46c67ddc5

Threat Level: Known bad

The file dbf4b92867067cfae411e3944d65e7a4.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 06:58

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-31 06:58

Reported

2024-08-31 07:00

Platform

win10v2004-20240802-en

Max time kernel

133s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2b43a9d8b2bc5a0ec4fb7819b8afe251d08c29bfd5c6156cb01a9ee073199c87.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\2b43a9d8b2bc5a0ec4fb7819b8afe251d08c29bfd5c6156cb01a9ee073199c87.exe

"C:\Users\Admin\AppData\Local\Temp\2b43a9d8b2bc5a0ec4fb7819b8afe251d08c29bfd5c6156cb01a9ee073199c87.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa 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/2572-0-0x0000000000470000-0x0000000000504000-memory.dmp

memory/2572-1-0x0000000000470000-0x0000000000504000-memory.dmp

memory/2572-2-0x0000000000400000-0x0000000000504000-memory.dmp

memory/2572-3-0x0000000000400000-0x0000000000504000-memory.dmp