Malware Analysis Report

2025-08-05 12:24

Sample ID 230923-zp7lrsad5t
Target 3892-421-0x00000000036B0000-0x00000000037E1000-memory.dmp
SHA256 0b8634c35359f94334243cae53fd57d6ce86b2b6eeaa4a472f48bb197c155f73
Tags
fabookie
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

0b8634c35359f94334243cae53fd57d6ce86b2b6eeaa4a472f48bb197c155f73

Threat Level: Known bad

The file 3892-421-0x00000000036B0000-0x00000000037E1000-memory.dmp was found to be: Known bad.

Malicious Activity Summary

fabookie

Detect Fabookie payload

Fabookie family

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-09-23 20:54

Signatures

Detect Fabookie payload

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

Fabookie family

fabookie

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-23 20:54

Reported

2023-09-23 20:57

Platform

win7-20230831-en

Max time kernel

117s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3892-421-0x00000000036B0000-0x00000000037E1000-memory.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2208 wrote to memory of 3040 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2208 wrote to memory of 3040 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2208 wrote to memory of 3040 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3892-421-0x00000000036B0000-0x00000000037E1000-memory.dll,#1

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2208 -s 56

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-23 20:54

Reported

2023-09-23 20:57

Platform

win10v2004-20230915-en

Max time kernel

140s

Max time network

146s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3892-421-0x00000000036B0000-0x00000000037E1000-memory.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3892-421-0x00000000036B0000-0x00000000037E1000-memory.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 254.23.238.8.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 17.14.97.104.in-addr.arpa udp
US 8.8.8.8:53 204.201.50.20.in-addr.arpa udp

Files

N/A