Malware Analysis Report

2025-03-15 08:06

Sample ID 240814-yemyyavhjl
Target 3894c353b997f8780a56b90991394b7ce434e7cb0db3190289beda1f6b880a75.zip
SHA256 5d969cbadaa547ba9a9572f6206049bfb29fc459a075b9d991c764ad29b07aae
Tags
987654321 cobaltstrike 0 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

5d969cbadaa547ba9a9572f6206049bfb29fc459a075b9d991c764ad29b07aae

Threat Level: Known bad

The file 3894c353b997f8780a56b90991394b7ce434e7cb0db3190289beda1f6b880a75.zip was found to be: Known bad.

Malicious Activity Summary

987654321 cobaltstrike 0 backdoor trojan

Cobaltstrike family

Cobaltstrike

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-08-14 19:42

Signatures

Cobaltstrike family

cobaltstrike

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-14 19:42

Reported

2024-08-14 19:44

Platform

win7-20240708-en

Max time kernel

118s

Max time network

119s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3894c353b997f8780a56b90991394b7ce434e7cb0db3190289beda1f6b880a75.dll,#1

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3894c353b997f8780a56b90991394b7ce434e7cb0db3190289beda1f6b880a75.dll,#1

Network

N/A

Files

memory/2480-0-0x00000000003A0000-0x00000000003F2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-14 19:42

Reported

2024-08-14 19:44

Platform

win10v2004-20240802-en

Max time kernel

138s

Max time network

141s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3894c353b997f8780a56b90991394b7ce434e7cb0db3190289beda1f6b880a75.dll,#1

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3894c353b997f8780a56b90991394b7ce434e7cb0db3190289beda1f6b880a75.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 101.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/4864-0-0x00000249C0600000-0x00000249C0652000-memory.dmp