Malware Analysis Report

2025-01-02 08:07

Sample ID 231010-yrmhyagf2w
Target 2968-348-0x0000000002740000-0x0000000002871000-memory.dmp
SHA256 1d54ad3431b393c8135fe0bd664cd6cb4c42ecf5543a83c295d4d551529832c3
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

1d54ad3431b393c8135fe0bd664cd6cb4c42ecf5543a83c295d4d551529832c3

Threat Level: Known bad

The file 2968-348-0x0000000002740000-0x0000000002871000-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

120s

Max time network

126s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2968-348-0x0000000002740000-0x0000000002871000-memory.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1368 wrote to memory of 2820 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 1368 wrote to memory of 2820 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 1368 wrote to memory of 2820 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\2968-348-0x0000000002740000-0x0000000002871000-memory.dll,#1

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1368 -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

148s

Max time network

154s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2968-348-0x0000000002740000-0x0000000002871000-memory.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2968-348-0x0000000002740000-0x0000000002871000-memory.dll,#1

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 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 81.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 54.120.234.20.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 192.240.110.104.in-addr.arpa udp
US 8.8.8.8:53 83.121.18.2.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
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

N/A