Malware Analysis Report

2025-01-02 08:08

Sample ID 231006-pb95mabb2z
Target 4304-100-0x0000000002C90000-0x0000000002DC1000-memory.dmp
SHA256 ae15f4db5c6c1109fe25064351f08584528365916d753b29b26232796a1ceff8
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

ae15f4db5c6c1109fe25064351f08584528365916d753b29b26232796a1ceff8

Threat Level: Known bad

The file 4304-100-0x0000000002C90000-0x0000000002DC1000-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

2023-10-06 12:10

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

2023-10-06 12:10

Reported

2023-10-06 12:13

Platform

win7-20230831-en

Max time kernel

122s

Max time network

125s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4304-100-0x0000000002C90000-0x0000000002DC1000-memory.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1424 wrote to memory of 2412 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 1424 wrote to memory of 2412 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 1424 wrote to memory of 2412 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\4304-100-0x0000000002C90000-0x0000000002DC1000-memory.dll,#1

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1424 -s 56

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-06 12:10

Reported

2023-10-06 12:13

Platform

win10v2004-20230915-en

Max time kernel

125s

Max time network

133s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4304-100-0x0000000002C90000-0x0000000002DC1000-memory.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4304-100-0x0000000002C90000-0x0000000002DC1000-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 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 254.209.247.8.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 105.193.132.51.in-addr.arpa udp

Files

N/A