Malware Analysis Report

2024-10-19 08:15

Sample ID 240831-mqg2aayhpm
Target 000ed87c70a47009f759c67c86927398.zip
SHA256 bd6ec3c80a8245858de0119f3660f664002d935f63a2e4b72255ecb14593ccd5
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

bd6ec3c80a8245858de0119f3660f664002d935f63a2e4b72255ecb14593ccd5

Threat Level: Known bad

The file 000ed87c70a47009f759c67c86927398.zip was found to be: Known bad.

Malicious Activity Summary

expiro backdoor discovery

Expiro, m0yv

Expiro payload

System Location Discovery: System Language Discovery

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-31 10:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-31 10:40

Reported

2024-08-31 10:42

Platform

win7-20240708-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2eec3f94af5de95d6b559f3bbdc070b49520bedf19542754fc23be2ad806121e.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

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\2eec3f94af5de95d6b559f3bbdc070b49520bedf19542754fc23be2ad806121e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2eec3f94af5de95d6b559f3bbdc070b49520bedf19542754fc23be2ad806121e.exe

"C:\Users\Admin\AppData\Local\Temp\2eec3f94af5de95d6b559f3bbdc070b49520bedf19542754fc23be2ad806121e.exe"

Network

N/A

Files

memory/2968-0-0x0000000010074000-0x0000000010108000-memory.dmp

memory/2968-1-0x0000000010000000-0x0000000010108000-memory.dmp

memory/2968-2-0x0000000010074000-0x0000000010108000-memory.dmp

memory/2968-3-0x0000000010000000-0x0000000010108000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-31 10:40

Reported

2024-08-31 10:42

Platform

win10v2004-20240802-en

Max time kernel

135s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2eec3f94af5de95d6b559f3bbdc070b49520bedf19542754fc23be2ad806121e.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

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\2eec3f94af5de95d6b559f3bbdc070b49520bedf19542754fc23be2ad806121e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2eec3f94af5de95d6b559f3bbdc070b49520bedf19542754fc23be2ad806121e.exe

"C:\Users\Admin\AppData\Local\Temp\2eec3f94af5de95d6b559f3bbdc070b49520bedf19542754fc23be2ad806121e.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/3428-0-0x0000000010074000-0x0000000010108000-memory.dmp

memory/3428-1-0x0000000010000000-0x0000000010108000-memory.dmp

memory/3428-2-0x0000000010074000-0x0000000010108000-memory.dmp

memory/3428-3-0x0000000010000000-0x0000000010108000-memory.dmp