Malware Analysis Report

2024-09-23 03:47

Sample ID 240528-tf61zsbb3x
Target b77f3cc05093b680198f0ccb7612f4435e6e9fff02163fb41e9a371cc8b6c077
SHA256 b77f3cc05093b680198f0ccb7612f4435e6e9fff02163fb41e9a371cc8b6c077
Tags
metasploit backdoor trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

b77f3cc05093b680198f0ccb7612f4435e6e9fff02163fb41e9a371cc8b6c077

Threat Level: Known bad

The file b77f3cc05093b680198f0ccb7612f4435e6e9fff02163fb41e9a371cc8b6c077 was found to be: Known bad.

Malicious Activity Summary

metasploit backdoor trojan

MetaSploit

Metasploit family

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-28 16:01

Signatures

Metasploit family

metasploit

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-28 16:01

Reported

2024-05-28 16:03

Platform

win7-20240419-en

Max time kernel

119s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b77f3cc05093b680198f0ccb7612f4435e6e9fff02163fb41e9a371cc8b6c077.dll,#1

Signatures

MetaSploit

trojan backdoor metasploit

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1764 set thread context of 2036 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\rundll32.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1764 wrote to memory of 2036 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\rundll32.exe
PID 1764 wrote to memory of 2036 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\rundll32.exe
PID 1764 wrote to memory of 2036 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\rundll32.exe
PID 1764 wrote to memory of 2036 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b77f3cc05093b680198f0ccb7612f4435e6e9fff02163fb41e9a371cc8b6c077.dll,#1

C:\Windows\system32\rundll32.exe

rundll32.exe

Network

N/A

Files

memory/2036-0-0x0000000000060000-0x0000000000061000-memory.dmp

memory/2036-2-0x0000000000060000-0x0000000000061000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-28 16:01

Reported

2024-05-28 16:03

Platform

win10v2004-20240426-en

Max time kernel

92s

Max time network

153s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b77f3cc05093b680198f0ccb7612f4435e6e9fff02163fb41e9a371cc8b6c077.dll,#1

Signatures

MetaSploit

trojan backdoor metasploit

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3476 set thread context of 4908 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\rundll32.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3476 wrote to memory of 4908 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\rundll32.exe
PID 3476 wrote to memory of 4908 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\rundll32.exe
PID 3476 wrote to memory of 4908 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b77f3cc05093b680198f0ccb7612f4435e6e9fff02163fb41e9a371cc8b6c077.dll,#1

C:\Windows\system32\rundll32.exe

rundll32.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 25.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/4908-0-0x000001B885AA0000-0x000001B885AA1000-memory.dmp