Malware Analysis Report

2025-03-15 08:02

Sample ID 240815-kr3chazanj
Target 3a784e90fd9b8a7d47c5e25a6fd003dae75ecaddf9b21c2b3789ff479032db60
SHA256 3a784e90fd9b8a7d47c5e25a6fd003dae75ecaddf9b21c2b3789ff479032db60
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

3a784e90fd9b8a7d47c5e25a6fd003dae75ecaddf9b21c2b3789ff479032db60

Threat Level: Known bad

The file 3a784e90fd9b8a7d47c5e25a6fd003dae75ecaddf9b21c2b3789ff479032db60 was found to be: Known bad.

Malicious Activity Summary

0 cobaltstrike

Cobaltstrike family

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-08-15 08:50

Signatures

Cobaltstrike family

cobaltstrike

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-15 08:50

Reported

2024-08-15 08:53

Platform

win7-20240729-en

Max time kernel

122s

Max time network

123s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\427e8eaed36843220b0a6fd814cbd0e11b198c7c0ce642c1b90c6df740b8bab6.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\427e8eaed36843220b0a6fd814cbd0e11b198c7c0ce642c1b90c6df740b8bab6.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-15 08:50

Reported

2024-08-15 08:53

Platform

win10v2004-20240802-en

Max time kernel

139s

Max time network

136s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\427e8eaed36843220b0a6fd814cbd0e11b198c7c0ce642c1b90c6df740b8bab6.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\427e8eaed36843220b0a6fd814cbd0e11b198c7c0ce642c1b90c6df740b8bab6.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 85.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.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

Files

N/A