Malware Analysis Report

2025-08-10 19:32

Sample ID 240225-jdl8pafe81
Target b05473c841391ccb2032655a864088e714df2c2e01c837939ad16a6d23c3c387
SHA256 b05473c841391ccb2032655a864088e714df2c2e01c837939ad16a6d23c3c387
Tags
cobaltstrike backdoor trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

b05473c841391ccb2032655a864088e714df2c2e01c837939ad16a6d23c3c387

Threat Level: Known bad

The file b05473c841391ccb2032655a864088e714df2c2e01c837939ad16a6d23c3c387 was found to be: Known bad.

Malicious Activity Summary

cobaltstrike backdoor trojan

Cobaltstrike

Cobaltstrike family

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-02-25 07:33

Signatures

Cobaltstrike family

cobaltstrike

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-25 07:33

Reported

2024-02-25 07:35

Platform

win10v2004-20240221-en

Max time kernel

147s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b05473c841391ccb2032655a864088e714df2c2e01c837939ad16a6d23c3c387.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\b05473c841391ccb2032655a864088e714df2c2e01c837939ad16a6d23c3c387.exe

"C:\Users\Admin\AppData\Local\Temp\b05473c841391ccb2032655a864088e714df2c2e01c837939ad16a6d23c3c387.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 update.office-oa.org 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 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 13.173.189.20.in-addr.arpa udp

Files

memory/3484-0-0x00000271FF210000-0x00000271FF211000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-25 07:33

Reported

2024-02-25 07:35

Platform

win7-20240221-en

Max time kernel

117s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b05473c841391ccb2032655a864088e714df2c2e01c837939ad16a6d23c3c387.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\b05473c841391ccb2032655a864088e714df2c2e01c837939ad16a6d23c3c387.exe

"C:\Users\Admin\AppData\Local\Temp\b05473c841391ccb2032655a864088e714df2c2e01c837939ad16a6d23c3c387.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 update.office-oa.org udp

Files

memory/2724-0-0x00000000005F0000-0x00000000005F1000-memory.dmp