Malware Analysis Report

2025-06-16 02:08

Sample ID 231002-jcnecsgb9t
Target 5380-665-0x0000000002DE0000-0x0000000002F11000-memory.dmp
SHA256 4349afa503d3e0c6844b31a8bb00619977cebb686d6a4ee259f5a796fb480ec0
Tags
fabookie
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

4349afa503d3e0c6844b31a8bb00619977cebb686d6a4ee259f5a796fb480ec0

Threat Level: Known bad

The file 5380-665-0x0000000002DE0000-0x0000000002F11000-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

2023-10-02 07:31

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: behavioral2

Detonation Overview

Submitted

2023-10-02 07:31

Reported

2023-10-02 07:34

Platform

win10v2004-20230915-en

Max time kernel

142s

Max time network

152s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\5380-665-0x0000000002DE0000-0x0000000002F11000-memory.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\5380-665-0x0000000002DE0000-0x0000000002F11000-memory.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 135.5.85.104.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 8.179.89.13.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-02 07:31

Reported

2023-10-02 07:34

Platform

win7-20230831-en

Max time kernel

119s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\5380-665-0x0000000002DE0000-0x0000000002F11000-memory.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2056 wrote to memory of 2116 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2056 wrote to memory of 2116 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2056 wrote to memory of 2116 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\5380-665-0x0000000002DE0000-0x0000000002F11000-memory.dll,#1

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2056 -s 56

Network

N/A

Files

N/A