Malware Analysis Report

2025-01-02 08:06

Sample ID 231011-lsw3jsgg97
Target 2436-81-0x00000000031B0000-0x00000000032E1000-memory.dmp
SHA256 dff19450c5eac7e31bf732ea8b7a4ddc38d367db87f83069db683aa260531f97
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

dff19450c5eac7e31bf732ea8b7a4ddc38d367db87f83069db683aa260531f97

Threat Level: Known bad

The file 2436-81-0x00000000031B0000-0x00000000032E1000-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

2023-10-11 09:48

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

2023-10-11 09:48

Reported

2023-10-11 15:38

Platform

win10v2004-20230915-en

Max time kernel

144s

Max time network

147s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2436-81-0x00000000031B0000-0x00000000032E1000-memory.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2436-81-0x00000000031B0000-0x00000000032E1000-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 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 45.19.74.20.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 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 59.128.231.4.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 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 18.173.189.20.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-11 09:48

Reported

2023-10-11 15:41

Platform

win7-20230831-en

Max time kernel

240s

Max time network

293s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2436-81-0x00000000031B0000-0x00000000032E1000-memory.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2768 wrote to memory of 2512 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2768 wrote to memory of 2512 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2768 wrote to memory of 2512 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\2436-81-0x00000000031B0000-0x00000000032E1000-memory.dll,#1

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2768 -s 56

Network

N/A

Files

N/A