Malware Analysis Report

2025-04-13 23:46

Sample ID 250103-nyw1vavlbp
Target JaffaCakes118_6c69075444416ff5f0d289f5e0682332
SHA256 a8da0a9629dd92ea075fba2588454701cd3415b98ef4ae7395402de190023dfe
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

a8da0a9629dd92ea075fba2588454701cd3415b98ef4ae7395402de190023dfe

Threat Level: Known bad

The file JaffaCakes118_6c69075444416ff5f0d289f5e0682332 was found to be: Known bad.

Malicious Activity Summary

expiro backdoor

Expiro, m0yv

Expiro family

Expiro payload

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2025-01-03 11:48

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-03 11:48

Reported

2025-01-03 11:51

Platform

win10v2004-20241007-en

Max time kernel

96s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c69075444416ff5f0d289f5e0682332.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_6c69075444416ff5f0d289f5e0682332.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c69075444416ff5f0d289f5e0682332.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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

memory/4780-0-0x0000000000470000-0x0000000000504000-memory.dmp

memory/4780-1-0x0000000000470000-0x0000000000504000-memory.dmp

memory/4780-2-0x0000000000400000-0x0000000000504000-memory.dmp

memory/4780-3-0x0000000000400000-0x0000000000504000-memory.dmp