Malware Analysis Report

2025-01-02 09:14

Sample ID 231004-mb868acg39
Target 2848-667-0x00000000031A0000-0x00000000032D1000-memory.dmp
SHA256 940993fa9bc3c92bf427da886e67d1dd5d42fb5dad7df1f9504be460edf14536
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

940993fa9bc3c92bf427da886e67d1dd5d42fb5dad7df1f9504be460edf14536

Threat Level: Known bad

The file 2848-667-0x00000000031A0000-0x00000000032D1000-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 10:18

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 10:18

Reported

2023-10-04 10:21

Platform

win7-20230831-en

Max time kernel

118s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2848-667-0x00000000031A0000-0x00000000032D1000-memory.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2828 wrote to memory of 1996 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2828 wrote to memory of 1996 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2828 wrote to memory of 1996 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\2848-667-0x00000000031A0000-0x00000000032D1000-memory.dll,#1

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2828 -s 56

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-04 10:18

Reported

2023-10-04 10:21

Platform

win10v2004-20230915-en

Max time kernel

127s

Max time network

132s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2848-667-0x00000000031A0000-0x00000000032D1000-memory.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2848-667-0x00000000031A0000-0x00000000032D1000-memory.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
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 8.8.8.8:53 208.194.73.20.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 1.202.248.87.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 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 25.73.42.20.in-addr.arpa udp

Files

N/A