Malware Analysis Report

2024-10-16 03:06

Sample ID 240609-qdj7nabe69
Target 606243cf11d12b00aed03e0eb2d54c4497582ec9f8ce40fdcc1b967a50f5925b.zip
SHA256 dba60dbdfa106231b76f2588f7943c116c17669a9ed40fa0e4d8dc3631bb99b0
Tags
0 cobaltstrike
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

dba60dbdfa106231b76f2588f7943c116c17669a9ed40fa0e4d8dc3631bb99b0

Threat Level: Known bad

The file 606243cf11d12b00aed03e0eb2d54c4497582ec9f8ce40fdcc1b967a50f5925b.zip was found to be: Known bad.

Malicious Activity Summary

0 cobaltstrike

Cobalt Strike reflective loader

Cobaltstrike family

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-09 13:08

Signatures

Cobalt Strike reflective loader

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

Cobaltstrike family

cobaltstrike

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-09 13:08

Reported

2024-06-09 13:11

Platform

win7-20240508-en

Max time kernel

120s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\606243cf11d12b00aed03e0eb2d54c4497582ec9f8ce40fdcc1b967a50f5925b.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\606243cf11d12b00aed03e0eb2d54c4497582ec9f8ce40fdcc1b967a50f5925b.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\606243cf11d12b00aed03e0eb2d54c4497582ec9f8ce40fdcc1b967a50f5925b.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3000 -s 240

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-09 13:08

Reported

2024-06-09 13:11

Platform

win10v2004-20240426-en

Max time kernel

90s

Max time network

138s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\606243cf11d12b00aed03e0eb2d54c4497582ec9f8ce40fdcc1b967a50f5925b.dll,#1

Signatures

Program crash

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 868 wrote to memory of 3824 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 868 wrote to memory of 3824 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 868 wrote to memory of 3824 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\606243cf11d12b00aed03e0eb2d54c4497582ec9f8ce40fdcc1b967a50f5925b.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\606243cf11d12b00aed03e0eb2d54c4497582ec9f8ce40fdcc1b967a50f5925b.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3824 -ip 3824

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3824 -s 680

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

N/A