Malware Analysis Report

2025-01-02 08:08

Sample ID 231010-zck71abf25
Target 2856-1265-0x0000000003690000-0x00000000037C1000-memory.dmp
SHA256 2c6d4402a251f34f1439b31519704e3d5c8d23fcff76ef9efea0c4a4875e299e
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

2c6d4402a251f34f1439b31519704e3d5c8d23fcff76ef9efea0c4a4875e299e

Threat Level: Known bad

The file 2856-1265-0x0000000003690000-0x00000000037C1000-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

2023-10-10 20:34

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

2023-10-10 20:34

Reported

2023-10-10 20:53

Platform

win10v2004-20230915-en

Max time kernel

139s

Max time network

147s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2856-1265-0x0000000003690000-0x00000000037C1000-memory.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2856-1265-0x0000000003690000-0x00000000037C1000-memory.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 126.177.238.8.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.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 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 71.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 123.10.44.20.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-10 20:34

Reported

2023-10-10 20:52

Platform

win7-20230831-en

Max time kernel

117s

Max time network

130s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2856-1265-0x0000000003690000-0x00000000037C1000-memory.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3016 wrote to memory of 2148 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 3016 wrote to memory of 2148 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 3016 wrote to memory of 2148 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\2856-1265-0x0000000003690000-0x00000000037C1000-memory.dll,#1

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 3016 -s 56

Network

N/A

Files

N/A