Malware Analysis Report

2025-01-02 08:08

Sample ID 231010-yrllmsgf2s
Target 1064-1310-0x00000000036C0000-0x00000000037F1000-memory.dmp
SHA256 f54f5a728666d97132f2a61672b13e21b65df2181ae6eae4468d78677ad8b01b
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

f54f5a728666d97132f2a61672b13e21b65df2181ae6eae4468d78677ad8b01b

Threat Level: Known bad

The file 1064-1310-0x00000000036C0000-0x00000000037F1000-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

2023-10-10 20:01

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

2023-10-10 20:01

Reported

2023-10-10 20:03

Platform

win7-20230831-en

Max time kernel

118s

Max time network

121s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1064-1310-0x00000000036C0000-0x00000000037F1000-memory.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1704 wrote to memory of 2196 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 1704 wrote to memory of 2196 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 1704 wrote to memory of 2196 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\1064-1310-0x00000000036C0000-0x00000000037F1000-memory.dll,#1

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1704 -s 56

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-10 20:01

Reported

2023-10-10 20:03

Platform

win10v2004-20230915-en

Max time kernel

142s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1064-1310-0x00000000036C0000-0x00000000037F1000-memory.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1064-1310-0x00000000036C0000-0x00000000037F1000-memory.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 81.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 54.120.234.20.in-addr.arpa udp
US 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 83.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.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
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 209.143.182.52.in-addr.arpa udp

Files

N/A