Malware Analysis Report

2025-08-06 03:37

Sample ID 230923-yls4jabh96
Target 2200-404-0x00000000035E0000-0x0000000003711000-memory.dmp
SHA256 eea94b4d86d25c2938ff9e52832d78fb29fcc823a5ce754ce42f483ac69ccb48
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

eea94b4d86d25c2938ff9e52832d78fb29fcc823a5ce754ce42f483ac69ccb48

Threat Level: Known bad

The file 2200-404-0x00000000035E0000-0x0000000003711000-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

2023-09-23 19:52

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

2023-09-23 19:52

Reported

2023-09-23 19:55

Platform

win7-20230831-en

Max time kernel

119s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2200-404-0x00000000035E0000-0x0000000003711000-memory.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2072 wrote to memory of 1716 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2072 wrote to memory of 1716 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2072 wrote to memory of 1716 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\2200-404-0x00000000035E0000-0x0000000003711000-memory.dll,#1

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2072 -s 56

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-23 19:52

Reported

2023-09-23 19:55

Platform

win10v2004-20230915-en

Max time kernel

142s

Max time network

154s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2200-404-0x00000000035E0000-0x0000000003711000-memory.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2200-404-0x00000000035E0000-0x0000000003711000-memory.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 163.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 136.71.105.51.in-addr.arpa udp

Files

N/A