Malware Analysis Report

2025-01-22 13:06

Sample ID 240724-y5g6davejk
Target af9799b1f694fc3402556ad6aaccbec9776b51e4a3a08dc40ecc81894c1ab31c.exe
SHA256 af9799b1f694fc3402556ad6aaccbec9776b51e4a3a08dc40ecc81894c1ab31c
Tags
cobaltstrike 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

af9799b1f694fc3402556ad6aaccbec9776b51e4a3a08dc40ecc81894c1ab31c

Threat Level: Known bad

The file af9799b1f694fc3402556ad6aaccbec9776b51e4a3a08dc40ecc81894c1ab31c.exe was found to be: Known bad.

Malicious Activity Summary

cobaltstrike backdoor trojan

Cobaltstrike

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-07-24 20:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-24 20:21

Reported

2024-07-24 20:24

Platform

win7-20240705-en

Max time kernel

147s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\af9799b1f694fc3402556ad6aaccbec9776b51e4a3a08dc40ecc81894c1ab31c.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\af9799b1f694fc3402556ad6aaccbec9776b51e4a3a08dc40ecc81894c1ab31c.exe

"C:\Users\Admin\AppData\Local\Temp\af9799b1f694fc3402556ad6aaccbec9776b51e4a3a08dc40ecc81894c1ab31c.exe"

Network

Country Destination Domain Proto
CN 120.26.48.63:4223 tcp
CN 120.26.48.63:4223 tcp
CN 120.26.48.63:4223 tcp
CN 120.26.48.63:4223 tcp
CN 120.26.48.63:4223 tcp
CN 120.26.48.63:4223 tcp
CN 120.26.48.63:4223 tcp
CN 120.26.48.63:4223 tcp

Files

memory/2976-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2976-1-0x000000013FD30000-0x000000013FD56000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-24 20:21

Reported

2024-07-24 20:24

Platform

win10v2004-20240704-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\af9799b1f694fc3402556ad6aaccbec9776b51e4a3a08dc40ecc81894c1ab31c.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\af9799b1f694fc3402556ad6aaccbec9776b51e4a3a08dc40ecc81894c1ab31c.exe

"C:\Users\Admin\AppData\Local\Temp\af9799b1f694fc3402556ad6aaccbec9776b51e4a3a08dc40ecc81894c1ab31c.exe"

Network

Country Destination Domain Proto
CN 120.26.48.63:4223 tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
CN 120.26.48.63:4223 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 71.190.18.2.in-addr.arpa udp
CN 120.26.48.63:4223 tcp
US 8.8.8.8:53 107.211.222.173.in-addr.arpa udp
CN 120.26.48.63:4223 tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
CN 120.26.48.63:4223 tcp
US 8.8.8.8:53 19.229.111.52.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 10.27.171.150.in-addr.arpa udp
CN 120.26.48.63:4223 tcp
CN 120.26.48.63:4223 tcp
CN 120.26.48.63:4223 tcp
US 8.8.8.8:53 59.189.79.40.in-addr.arpa udp

Files

memory/2600-0-0x000001E69E510000-0x000001E69E511000-memory.dmp

memory/2600-1-0x00007FF736F60000-0x00007FF736F86000-memory.dmp

memory/2600-13-0x00007FF736F60000-0x00007FF736F86000-memory.dmp