Malware Analysis Report

2025-01-03 08:09

Sample ID 240419-r789bafa95
Target fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118
SHA256 7b6674bbde714e1285fa64caecc1f9d90e3ca8ac1a8f01035e1ef9afcfb54eaf
Tags
metasploit backdoor trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

7b6674bbde714e1285fa64caecc1f9d90e3ca8ac1a8f01035e1ef9afcfb54eaf

Threat Level: Known bad

The file fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

metasploit backdoor trojan

MetaSploit

Uses the VBS compiler for execution

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-19 14:51

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-19 14:51

Reported

2024-04-19 14:53

Platform

win7-20240221-en

Max time kernel

120s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe"

Signatures

MetaSploit

trojan backdoor metasploit

Uses the VBS compiler for execution

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2660 set thread context of 2504 N/A C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2660 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2660 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2660 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2660 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2660 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2660 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2660 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2660 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2660 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2660 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Network

Country Destination Domain Proto
N/A 192.168.0.125:4444 tcp

Files

memory/2660-0-0x0000000074790000-0x0000000074D3B000-memory.dmp

memory/2660-1-0x0000000074790000-0x0000000074D3B000-memory.dmp

memory/2660-2-0x00000000020D0000-0x0000000002110000-memory.dmp

memory/2504-3-0x0000000000400000-0x0000000000416000-memory.dmp

memory/2504-5-0x0000000000400000-0x0000000000416000-memory.dmp

memory/2504-4-0x0000000000400000-0x0000000000416000-memory.dmp

memory/2504-7-0x0000000000400000-0x0000000000416000-memory.dmp

memory/2504-9-0x0000000000400000-0x0000000000416000-memory.dmp

memory/2504-13-0x0000000000400000-0x0000000000416000-memory.dmp

memory/2504-15-0x0000000000400000-0x0000000000416000-memory.dmp

memory/2660-16-0x0000000074790000-0x0000000074D3B000-memory.dmp

memory/2504-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2504-17-0x0000000000020000-0x0000000000021000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-19 14:51

Reported

2024-04-19 14:53

Platform

win10v2004-20240412-en

Max time kernel

144s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe"

Signatures

MetaSploit

trojan backdoor metasploit

Uses the VBS compiler for execution

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4388 set thread context of 820 N/A C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4388 wrote to memory of 820 N/A C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 4388 wrote to memory of 820 N/A C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 4388 wrote to memory of 820 N/A C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 4388 wrote to memory of 820 N/A C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 4388 wrote to memory of 820 N/A C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 4388 wrote to memory of 820 N/A C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 4388 wrote to memory of 820 N/A C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 4388 wrote to memory of 820 N/A C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 4388 wrote to memory of 820 N/A C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\fa8a468a9ba7c90e58da7e57857a2d1f_JaffaCakes118.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
N/A 192.168.0.125:4444 tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 198.32.209.4.in-addr.arpa udp
US 8.8.8.8:53 132.250.30.184.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.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 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/4388-0-0x00000000753C0000-0x0000000075971000-memory.dmp

memory/4388-1-0x0000000000FE0000-0x0000000000FF0000-memory.dmp

memory/4388-2-0x00000000753C0000-0x0000000075971000-memory.dmp

memory/820-3-0x0000000000400000-0x0000000000416000-memory.dmp

memory/820-6-0x0000000000400000-0x0000000000416000-memory.dmp

memory/4388-8-0x00000000753C0000-0x0000000075971000-memory.dmp

memory/820-7-0x0000000000570000-0x0000000000571000-memory.dmp

memory/820-19-0x0000000000420000-0x00000000004E9000-memory.dmp