Malware Analysis Report

2025-04-13 23:46

Sample ID 250103-ntv8ravjaq
Target JaffaCakes118_6c5c58316d6247067d88bce682c33f47
SHA256 672a3aa865ca88215e0d00a4e335c7e685728ebb0e0db5453bf361efdda77172
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

672a3aa865ca88215e0d00a4e335c7e685728ebb0e0db5453bf361efdda77172

Threat Level: Known bad

The file JaffaCakes118_6c5c58316d6247067d88bce682c33f47 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 11:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-03 11:41

Reported

2025-01-03 11:44

Platform

win7-20240903-en

Max time kernel

122s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c5c58316d6247067d88bce682c33f47.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

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c5c58316d6247067d88bce682c33f47.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c5c58316d6247067d88bce682c33f47.exe"

Network

N/A

Files

memory/2692-0-0x0000000000400000-0x000000000064A000-memory.dmp

memory/2692-1-0x0000000000401000-0x0000000000402000-memory.dmp

memory/2692-4-0x0000000000400000-0x000000000064A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-03 11:41

Reported

2025-01-03 11:44

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c5c58316d6247067d88bce682c33f47.exe"

Signatures

Expiro family

expiro

Expiro, m0yv

backdoor expiro

Expiro payload

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

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c5c58316d6247067d88bce682c33f47.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c5c58316d6247067d88bce682c33f47.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 133.130.81.91.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 167.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 86.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/3944-0-0x0000000000400000-0x000000000064A000-memory.dmp

memory/3944-1-0x0000000000401000-0x0000000000402000-memory.dmp

memory/3944-4-0x0000000000400000-0x000000000064A000-memory.dmp