Malware Analysis Report

2025-01-02 09:14

Sample ID 231004-w5w87adh7z
Target 2720-540-0x0000000003480000-0x00000000035B1000-memory.dmp
SHA256 2ebfb25dd6790457191c6d541e92b02c3463f04f993966881ac9a95f7b830e05
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

2ebfb25dd6790457191c6d541e92b02c3463f04f993966881ac9a95f7b830e05

Threat Level: Known bad

The file 2720-540-0x0000000003480000-0x00000000035B1000-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 18:30

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 18:30

Reported

2023-10-04 18:33

Platform

win7-20230831-en

Max time kernel

122s

Max time network

125s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2720-540-0x0000000003480000-0x00000000035B1000-memory.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1924 wrote to memory of 2192 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 1924 wrote to memory of 2192 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 1924 wrote to memory of 2192 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\2720-540-0x0000000003480000-0x00000000035B1000-memory.dll,#1

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1924 -s 56

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-04 18:30

Reported

2023-10-04 18:33

Platform

win10v2004-20230915-en

Max time kernel

36s

Max time network

145s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2720-540-0x0000000003480000-0x00000000035B1000-memory.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2720-540-0x0000000003480000-0x00000000035B1000-memory.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.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 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 74.121.18.2.in-addr.arpa udp

Files

N/A