Malware Analysis Report

2025-01-02 08:08

Sample ID 231010-zd3hnsbf99
Target 5428-423-0x0000000003320000-0x0000000003451000-memory.dmp
SHA256 3483a7d2eb0f10c3e62e780ac5b430736a9772b20308026b76dbbea24180023d
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

3483a7d2eb0f10c3e62e780ac5b430736a9772b20308026b76dbbea24180023d

Threat Level: Known bad

The file 5428-423-0x0000000003320000-0x0000000003451000-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 20:36

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 20:36

Reported

2023-10-10 20:56

Platform

win7-20230831-en

Max time kernel

117s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\5428-423-0x0000000003320000-0x0000000003451000-memory.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2236 wrote to memory of 2208 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2236 wrote to memory of 2208 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2236 wrote to memory of 2208 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\5428-423-0x0000000003320000-0x0000000003451000-memory.dll,#1

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2236 -s 56

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-10 20:36

Reported

2023-10-10 20:56

Platform

win10v2004-20230915-en

Max time kernel

151s

Max time network

157s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\5428-423-0x0000000003320000-0x0000000003451000-memory.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\5428-423-0x0000000003320000-0x0000000003451000-memory.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
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 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 195.233.44.23.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 254.177.238.8.in-addr.arpa udp
US 8.8.8.8:53 3.17.178.52.in-addr.arpa udp

Files

N/A