Malware Analysis Report

2024-08-06 07:59

Sample ID 230827-ztc8qadb97
Target 24d99ba5654cdf31141c66fd9417b7e0.zip
SHA256 dc71ae1fea5c46b2930ed33dc807c54f87f9f40b7256fe5dadf08f144b315fce
Tags
cobaltstrike 1359593325 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

dc71ae1fea5c46b2930ed33dc807c54f87f9f40b7256fe5dadf08f144b315fce

Threat Level: Known bad

The file 24d99ba5654cdf31141c66fd9417b7e0.zip was found to be: Known bad.

Malicious Activity Summary

cobaltstrike 1359593325 backdoor trojan

Cobaltstrike

Cobaltstrike family

Unsigned PE

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2023-08-27 21:00

Signatures

Cobaltstrike family

cobaltstrike

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-27 21:00

Reported

2023-08-27 21:04

Platform

win7-20230712-en

Max time kernel

25s

Max time network

31s

Command Line

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

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

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

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

Network

Country Destination Domain Proto
CN 120.79.181.138:443 tcp
CN 120.79.181.138:443 tcp

Files

memory/2132-0-0x0000000000400000-0x000000000043C300-memory.dmp

memory/2132-1-0x0000000000220000-0x000000000025D000-memory.dmp

memory/2132-2-0x0000000000220000-0x000000000025D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-27 21:00

Reported

2023-08-27 21:04

Platform

win10v2004-20230703-en

Max time kernel

24s

Max time network

27s

Command Line

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

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

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

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

Network

Country Destination Domain Proto
CN 120.79.181.138:443 tcp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp

Files

memory/728-0-0x0000000000400000-0x000000000043C300-memory.dmp

memory/728-1-0x0000000000510000-0x000000000054D000-memory.dmp

memory/728-2-0x0000000000400000-0x000000000043C300-memory.dmp

memory/728-3-0x0000000000510000-0x000000000054D000-memory.dmp