Malware Analysis Report

2025-01-02 09:17

Sample ID 231004-lfww1sae7y
Target 1720-1184-0x0000000003720000-0x0000000003851000-memory.dmp
SHA256 1cdaf83a5a0a73dce219de1295fb3d4f33e6fcaf63acd68a5ed3a594c9aa21c4
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

1cdaf83a5a0a73dce219de1295fb3d4f33e6fcaf63acd68a5ed3a594c9aa21c4

Threat Level: Known bad

The file 1720-1184-0x0000000003720000-0x0000000003851000-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

2023-10-04 09:29

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

2023-10-04 09:29

Reported

2023-10-04 09:31

Platform

win7-20230831-en

Max time kernel

119s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1720-1184-0x0000000003720000-0x0000000003851000-memory.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2208 wrote to memory of 1724 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2208 wrote to memory of 1724 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2208 wrote to memory of 1724 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\1720-1184-0x0000000003720000-0x0000000003851000-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

2023-10-04 09:29

Reported

2023-10-04 09:31

Platform

win10v2004-20230915-en

Max time kernel

141s

Max time network

146s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1720-1184-0x0000000003720000-0x0000000003851000-memory.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1720-1184-0x0000000003720000-0x0000000003851000-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 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 1.208.79.178.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 126.177.238.8.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 10.73.50.20.in-addr.arpa udp

Files

N/A