Malware Analysis Report

2025-08-05 12:50

Sample ID 240509-cgffzscd5w
Target 64160d2626987b1e27e84e3a412500e916e11889060a8a9f93d15027ad46c088
SHA256 64160d2626987b1e27e84e3a412500e916e11889060a8a9f93d15027ad46c088
Tags
bootkit persistence
score
6/10

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
6/10

SHA256

64160d2626987b1e27e84e3a412500e916e11889060a8a9f93d15027ad46c088

Threat Level: Shows suspicious behavior

The file 64160d2626987b1e27e84e3a412500e916e11889060a8a9f93d15027ad46c088 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Writes to the Master Boot Record (MBR)

Unsigned PE

Program crash

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-09 02:02

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 02:02

Reported

2024-05-09 02:05

Platform

win10v2004-20240426-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\64160d2626987b1e27e84e3a412500e916e11889060a8a9f93d15027ad46c088.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PHYSICALDRIVE0 C:\Users\Admin\AppData\Local\Temp\64160d2626987b1e27e84e3a412500e916e11889060a8a9f93d15027ad46c088.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\64160d2626987b1e27e84e3a412500e916e11889060a8a9f93d15027ad46c088.exe

"C:\Users\Admin\AppData\Local\Temp\64160d2626987b1e27e84e3a412500e916e11889060a8a9f93d15027ad46c088.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 204.79.197.237:443 g.bing.com tcp
BE 2.17.196.137:443 www.bing.com tcp
US 8.8.8.8:53 77.190.18.2.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 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 137.196.17.2.in-addr.arpa udp
BE 2.17.196.137:443 www.bing.com tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.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
US 8.8.8.8:53 131.72.42.20.in-addr.arpa udp

Files

memory/4532-0-0x0000000002150000-0x0000000002151000-memory.dmp

memory/4532-1-0x00000000027C0000-0x0000000002840000-memory.dmp

memory/4532-3-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/4532-2-0x0000000000400000-0x000000000046F000-memory.dmp

memory/4532-4-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/4532-7-0x0000000000400000-0x000000000046F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 02:02

Reported

2024-05-09 02:05

Platform

win11-20240426-en

Max time kernel

148s

Max time network

100s

Command Line

"C:\Users\Admin\AppData\Local\Temp\64160d2626987b1e27e84e3a412500e916e11889060a8a9f93d15027ad46c088.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PHYSICALDRIVE0 C:\Users\Admin\AppData\Local\Temp\64160d2626987b1e27e84e3a412500e916e11889060a8a9f93d15027ad46c088.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\64160d2626987b1e27e84e3a412500e916e11889060a8a9f93d15027ad46c088.exe

"C:\Users\Admin\AppData\Local\Temp\64160d2626987b1e27e84e3a412500e916e11889060a8a9f93d15027ad46c088.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1456 -ip 1456

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1456 -s 784

Network

Country Destination Domain Proto
US 52.111.229.19:443 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/1456-0-0x0000000002380000-0x0000000002381000-memory.dmp

memory/1456-2-0x0000000000400000-0x000000000046F000-memory.dmp

memory/1456-3-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/1456-1-0x0000000002A20000-0x0000000002AA0000-memory.dmp

memory/1456-4-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/1456-7-0x0000000000400000-0x000000000046F000-memory.dmp