Malware Analysis Report

2024-08-06 11:00

Sample ID 240503-lfbk3sde93
Target 43780b5d07144e9fd0f547333148f002.exe
SHA256 dc460f03652eb64c6aeb07a3684780dda19d55dc7e80cc470b61eb2d22b4772c
Tags
cobaltstrike metasploit 100000000 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

dc460f03652eb64c6aeb07a3684780dda19d55dc7e80cc470b61eb2d22b4772c

Threat Level: Known bad

The file 43780b5d07144e9fd0f547333148f002.exe was found to be: Known bad.

Malicious Activity Summary

cobaltstrike metasploit 100000000 backdoor trojan

Cobaltstrike

MetaSploit

Blocklisted process makes network request

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-03 09:28

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-03 09:28

Reported

2024-05-03 09:30

Platform

win7-20240221-en

Max time kernel

121s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\43780b5d07144e9fd0f547333148f002.exe"

Signatures

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\43780b5d07144e9fd0f547333148f002.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\43780b5d07144e9fd0f547333148f002.exe

"C:\Users\Admin\AppData\Local\Temp\43780b5d07144e9fd0f547333148f002.exe"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-03 09:28

Reported

2024-05-03 09:30

Platform

win10v2004-20240419-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\43780b5d07144e9fd0f547333148f002.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

MetaSploit

trojan backdoor metasploit

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4744 set thread context of 3060 N/A C:\Users\Admin\AppData\Local\Temp\43780b5d07144e9fd0f547333148f002.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\43780b5d07144e9fd0f547333148f002.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\43780b5d07144e9fd0f547333148f002.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\43780b5d07144e9fd0f547333148f002.exe

"C:\Users\Admin\AppData\Local\Temp\43780b5d07144e9fd0f547333148f002.exe"

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe

Network

Country Destination Domain Proto
JP 207.148.109.8:443 207.148.109.8 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
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 8.109.148.207.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
JP 207.148.109.8:443 207.148.109.8 tcp
NL 23.62.61.113:443 www.bing.com tcp
US 8.8.8.8:53 113.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.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 0.205.248.87.in-addr.arpa udp
JP 207.148.109.8:443 207.148.109.8 tcp
US 8.8.8.8:53 107.211.222.173.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 14.251.17.2.in-addr.arpa udp
JP 207.148.109.8:443 207.148.109.8 tcp
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
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
JP 207.148.109.8:443 tcp

Files

memory/4744-0-0x00000000778D1000-0x00000000779F1000-memory.dmp

memory/3060-1-0x0000000000550000-0x0000000000551000-memory.dmp

memory/3060-4-0x0000000002B20000-0x0000000002B9E000-memory.dmp

memory/3060-5-0x0000000002BC0000-0x0000000002D1D000-memory.dmp

memory/3060-6-0x0000000002BC0000-0x0000000002D1D000-memory.dmp