Malware Analysis Report

2025-04-13 23:46

Sample ID 250103-rg3zls1kgq
Target JaffaCakes118_6d3330b5292fa5846512c8acced66123
SHA256 6136d48460ef333b89ee0252837bacd86ed84897dca54d1ca2c94ff9265d0273
Tags
expiro backdoor discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

6136d48460ef333b89ee0252837bacd86ed84897dca54d1ca2c94ff9265d0273

Threat Level: Known bad

The file JaffaCakes118_6d3330b5292fa5846512c8acced66123 was found to be: Known bad.

Malicious Activity Summary

expiro backdoor discovery

Expiro, m0yv

Expiro family

Expiro payload

System Location Discovery: System Language Discovery

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-03 14:10

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-03 14:10

Reported

2025-01-03 14:13

Platform

win7-20240708-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d3330b5292fa5846512c8acced66123.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_6d3330b5292fa5846512c8acced66123.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d3330b5292fa5846512c8acced66123.exe"

Network

N/A

Files

memory/2572-0-0x000000002E000000-0x000000002E1CD000-memory.dmp

memory/2572-1-0x000000002E013000-0x000000002E015000-memory.dmp

memory/2572-2-0x000000002E000000-0x000000002E1CD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-03 14:10

Reported

2025-01-03 14:13

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d3330b5292fa5846512c8acced66123.exe"

Signatures

Expiro family

expiro

Expiro, m0yv

backdoor expiro

Expiro payload

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d3330b5292fa5846512c8acced66123.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d3330b5292fa5846512c8acced66123.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d3330b5292fa5846512c8acced66123.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 166.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/3148-0-0x000000002E000000-0x000000002E1CD000-memory.dmp

memory/3148-1-0x000000002E013000-0x000000002E015000-memory.dmp

memory/3148-2-0x000000002E000000-0x000000002E1CD000-memory.dmp