Malware Analysis Report

2025-01-02 09:18

Sample ID 231004-nx4djabd7w
Target 2480-636-0x0000000003270000-0x00000000033A1000-memory.dmp
SHA256 a3430c5bc2d0b721862c987434f6b7686c63d0f7bf9ac315e825a5a8a0eb51a0
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

a3430c5bc2d0b721862c987434f6b7686c63d0f7bf9ac315e825a5a8a0eb51a0

Threat Level: Known bad

The file 2480-636-0x0000000003270000-0x00000000033A1000-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 11:47

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 11:47

Reported

2023-10-04 11:50

Platform

win7-20230831-en

Max time kernel

117s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2480-636-0x0000000003270000-0x00000000033A1000-memory.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2404 wrote to memory of 2428 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2404 wrote to memory of 2428 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2404 wrote to memory of 2428 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\2480-636-0x0000000003270000-0x00000000033A1000-memory.dll,#1

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2404 -s 56

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-04 11:47

Reported

2023-10-04 11:50

Platform

win10v2004-20230915-en

Max time kernel

143s

Max time network

148s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2480-636-0x0000000003270000-0x00000000033A1000-memory.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2480-636-0x0000000003270000-0x00000000033A1000-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 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 126.20.238.8.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.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 23.236.111.52.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 8.8.8.8:53 89.65.42.20.in-addr.arpa udp

Files

N/A