Malware Analysis Report

2025-08-06 00:22

Sample ID 240607-tc4fpabf92
Target b5158da5d498363a81d335ab803381ecd3a8cabdb8da7e4974917fc3e92c2773
SHA256 b5158da5d498363a81d335ab803381ecd3a8cabdb8da7e4974917fc3e92c2773
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

b5158da5d498363a81d335ab803381ecd3a8cabdb8da7e4974917fc3e92c2773

Threat Level: Shows suspicious behavior

The file b5158da5d498363a81d335ab803381ecd3a8cabdb8da7e4974917fc3e92c2773 was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx

Executes dropped EXE

UPX packed file

Checks computer location settings

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-07 15:55

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

2024-06-07 15:55

Reported

2024-06-07 15:58

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b5158da5d498363a81d335ab803381ecd3a8cabdb8da7e4974917fc3e92c2773.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\b5158da5d498363a81d335ab803381ecd3a8cabdb8da7e4974917fc3e92c2773.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\b5158da5d498363a81d335ab803381ecd3a8cabdb8da7e4974917fc3e92c2773.exe

"C:\Users\Admin\AppData\Local\Temp\b5158da5d498363a81d335ab803381ecd3a8cabdb8da7e4974917fc3e92c2773.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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 214.163.47.161.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 105.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 95.16.208.104.in-addr.arpa udp

Files

memory/3988-0-0x0000000000110000-0x00000000001B0000-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/3988-15-0x0000000000110000-0x00000000001B0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-07 15:55

Reported

2024-06-07 15:58

Platform

win11-20240426-en

Max time kernel

89s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b5158da5d498363a81d335ab803381ecd3a8cabdb8da7e4974917fc3e92c2773.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\b5158da5d498363a81d335ab803381ecd3a8cabdb8da7e4974917fc3e92c2773.exe

"C:\Users\Admin\AppData\Local\Temp\b5158da5d498363a81d335ab803381ecd3a8cabdb8da7e4974917fc3e92c2773.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/3624-0-0x0000000000C20000-0x0000000000CC0000-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/3624-14-0x0000000000C20000-0x0000000000CC0000-memory.dmp