Malware Analysis Report

2025-01-03 08:23

Sample ID 240705-cff15asclg
Target f83bee2e9d7c8ead88c3d0b761339bfa232e14803608a17e60582516e6559ae0.dll
SHA256 f83bee2e9d7c8ead88c3d0b761339bfa232e14803608a17e60582516e6559ae0
Tags
metasploit backdoor trojan
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

f83bee2e9d7c8ead88c3d0b761339bfa232e14803608a17e60582516e6559ae0

Threat Level: Known bad

The file f83bee2e9d7c8ead88c3d0b761339bfa232e14803608a17e60582516e6559ae0.dll was found to be: Known bad.

Malicious Activity Summary

metasploit backdoor trojan

MetaSploit

Metasploit family

Blocklisted process makes network request

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-07-05 02:00

Signatures

Metasploit family

metasploit

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-05 02:00

Reported

2024-07-05 06:27

Platform

win7-20240704-en

Max time kernel

149s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f83bee2e9d7c8ead88c3d0b761339bfa232e14803608a17e60582516e6559ae0.dll,#1

Signatures

MetaSploit

trojan backdoor metasploit

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2300 set thread context of 2476 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1512 wrote to memory of 2300 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1512 wrote to memory of 2300 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1512 wrote to memory of 2300 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1512 wrote to memory of 2300 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1512 wrote to memory of 2300 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1512 wrote to memory of 2300 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1512 wrote to memory of 2300 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2300 wrote to memory of 2476 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2300 wrote to memory of 2476 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2300 wrote to memory of 2476 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2300 wrote to memory of 2476 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2300 wrote to memory of 2476 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2300 wrote to memory of 2476 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2300 wrote to memory of 2476 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2300 wrote to memory of 2476 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f83bee2e9d7c8ead88c3d0b761339bfa232e14803608a17e60582516e6559ae0.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f83bee2e9d7c8ead88c3d0b761339bfa232e14803608a17e60582516e6559ae0.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe

Network

Country Destination Domain Proto
GB 89.197.154.116:7810 tcp
GB 89.197.154.116:7810 tcp
GB 89.197.154.116:7810 tcp
GB 89.197.154.116:7810 tcp
GB 89.197.154.116:7810 tcp
GB 89.197.154.116:7810 tcp
GB 89.197.154.116:7810 tcp
GB 89.197.154.116:7810 tcp
GB 89.197.154.116:7810 tcp
GB 89.197.154.116:7810 tcp
GB 89.197.154.116:7810 tcp
GB 89.197.154.116:7810 tcp
GB 89.197.154.116:7810 tcp
GB 89.197.154.116:7810 tcp
GB 89.197.154.116:7810 tcp

Files

memory/2476-0-0x00000000000D0000-0x00000000000D1000-memory.dmp

memory/2476-2-0x00000000000D0000-0x00000000000D1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-05 02:00

Reported

2024-07-05 06:27

Platform

win10v2004-20240704-en

Max time kernel

148s

Max time network

153s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f83bee2e9d7c8ead88c3d0b761339bfa232e14803608a17e60582516e6559ae0.dll,#1

Signatures

MetaSploit

trojan backdoor metasploit

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1096 set thread context of 3640 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4928 wrote to memory of 1096 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4928 wrote to memory of 1096 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4928 wrote to memory of 1096 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1096 wrote to memory of 3640 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1096 wrote to memory of 3640 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1096 wrote to memory of 3640 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1096 wrote to memory of 3640 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f83bee2e9d7c8ead88c3d0b761339bfa232e14803608a17e60582516e6559ae0.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f83bee2e9d7c8ead88c3d0b761339bfa232e14803608a17e60582516e6559ae0.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe

Network

Country Destination Domain Proto
GB 89.197.154.116:7810 tcp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
GB 89.197.154.116:7810 tcp
GB 89.197.154.116:7810 tcp
GB 89.197.154.116:7810 tcp
GB 89.197.154.116:7810 tcp
GB 89.197.154.116:7810 tcp
GB 89.197.154.116:7810 tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
GB 89.197.154.116:7810 tcp
GB 89.197.154.116:7810 tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
GB 89.197.154.116:7810 tcp

Files

memory/3640-0-0x0000000000530000-0x0000000000531000-memory.dmp