Malware Analysis Report

2025-01-02 08:08

Sample ID 231005-khy9gsbe97
Target 2436-939-0x00000000033F0000-0x0000000003521000-memory.dmp
SHA256 8490f5fe55622d886d00f419938285457704859f971a487137548c2693e5c0c2
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

8490f5fe55622d886d00f419938285457704859f971a487137548c2693e5c0c2

Threat Level: Known bad

The file 2436-939-0x00000000033F0000-0x0000000003521000-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

2023-10-05 08:36

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

2023-10-05 08:36

Reported

2023-10-05 08:39

Platform

win7-20230831-en

Max time kernel

121s

Max time network

124s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2436-939-0x00000000033F0000-0x0000000003521000-memory.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2112 wrote to memory of 1256 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2112 wrote to memory of 1256 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2112 wrote to memory of 1256 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\2436-939-0x00000000033F0000-0x0000000003521000-memory.dll,#1

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2112 -s 56

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-05 08:36

Reported

2023-10-05 08:39

Platform

win10v2004-20230915-en

Max time kernel

143s

Max time network

148s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2436-939-0x00000000033F0000-0x0000000003521000-memory.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2436-939-0x00000000033F0000-0x0000000003521000-memory.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 254.178.238.8.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 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 38.148.119.40.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 254.21.238.8.in-addr.arpa udp
US 8.8.8.8:53 85.65.42.20.in-addr.arpa udp

Files

N/A