Malware Analysis Report

2025-04-13 23:46

Sample ID 250103-1y3vlswjey
Target JaffaCakes118_7081bdd7ae3fb9eab717cc10852eb1da
SHA256 21c8db7e654e1c0e0221b625108ae39e16e4f1f59b553d7420f4365b2b51c484
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

21c8db7e654e1c0e0221b625108ae39e16e4f1f59b553d7420f4365b2b51c484

Threat Level: Known bad

The file JaffaCakes118_7081bdd7ae3fb9eab717cc10852eb1da was found to be: Known bad.

Malicious Activity Summary

expiro backdoor

Expiro family

Expiro, m0yv

Expiro payload

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2025-01-03 22:04

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-03 22:04

Reported

2025-01-03 22:06

Platform

win10v2004-20241007-en

Max time kernel

92s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7081bdd7ae3fb9eab717cc10852eb1da.exe"

Signatures

Expiro family

expiro

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\JaffaCakes118_7081bdd7ae3fb9eab717cc10852eb1da.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7081bdd7ae3fb9eab717cc10852eb1da.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 8.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 60.153.16.2.in-addr.arpa udp

Files

memory/2212-0-0x000000000046C000-0x00000000004FF000-memory.dmp

memory/2212-1-0x0000000000400000-0x00000000004FF000-memory.dmp

memory/2212-2-0x000000000046C000-0x00000000004FF000-memory.dmp

memory/2212-3-0x0000000000400000-0x00000000004FF000-memory.dmp