Malware Analysis Report

2025-08-05 15:36

Sample ID 240526-nxkleshd3y
Target 513092522f59d263097aa9d1d89170f208858ed56eb1d7320b56cf3970e49436
SHA256 513092522f59d263097aa9d1d89170f208858ed56eb1d7320b56cf3970e49436
Tags
upx
score
7/10

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
7/10

SHA256

513092522f59d263097aa9d1d89170f208858ed56eb1d7320b56cf3970e49436

Threat Level: Shows suspicious behavior

The file 513092522f59d263097aa9d1d89170f208858ed56eb1d7320b56cf3970e49436 was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx

UPX packed file

Checks computer location settings

Executes dropped EXE

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-26 11:46

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-26 11:46

Reported

2024-05-26 11:49

Platform

win10v2004-20240508-en

Max time kernel

137s

Max time network

106s

Command Line

"C:\Users\Admin\AppData\Local\Temp\513092522f59d263097aa9d1d89170f208858ed56eb1d7320b56cf3970e49436.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\513092522f59d263097aa9d1d89170f208858ed56eb1d7320b56cf3970e49436.exe N/A

UPX packed file

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

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\513092522f59d263097aa9d1d89170f208858ed56eb1d7320b56cf3970e49436.exe

"C:\Users\Admin\AppData\Local\Temp\513092522f59d263097aa9d1d89170f208858ed56eb1d7320b56cf3970e49436.exe"

C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe

"C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"

C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe

"C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.programworkshop.com udp
US 161.47.163.214:80 www.programworkshop.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 214.163.47.161.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 31.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/4812-0-0x0000000000590000-0x0000000000630000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe

MD5 368332fca74f48697d842c5f4698ae1d
SHA1 0275153a1e62bd0eca0b02168895517ed66aac56
SHA256 3a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59
SHA512 fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5

memory/4812-15-0x0000000000590000-0x0000000000630000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-26 11:46

Reported

2024-05-27 12:14

Platform

win11-20240426-en

Max time kernel

7s

Max time network

9s

Command Line

"C:\Users\Admin\AppData\Local\Temp\513092522f59d263097aa9d1d89170f208858ed56eb1d7320b56cf3970e49436.exe"

Signatures

UPX packed file

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

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\513092522f59d263097aa9d1d89170f208858ed56eb1d7320b56cf3970e49436.exe

"C:\Users\Admin\AppData\Local\Temp\513092522f59d263097aa9d1d89170f208858ed56eb1d7320b56cf3970e49436.exe"

C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe

"C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"

C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe

"C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.programworkshop.com udp
US 161.47.163.214:80 www.programworkshop.com tcp
US 8.8.8.8:53 214.163.47.161.in-addr.arpa udp

Files

memory/2728-0-0x00000000001C0000-0x0000000000260000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe

MD5 368332fca74f48697d842c5f4698ae1d
SHA1 0275153a1e62bd0eca0b02168895517ed66aac56
SHA256 3a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59
SHA512 fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5

memory/2728-14-0x00000000001C0000-0x0000000000260000-memory.dmp