Malware Analysis Report

2024-10-23 18:49

Sample ID 240627-rrsavsvfqh
Target 8721aec783b1ceaeb1c0e89363ed5ec1b4851f49ed5ebf4014395a4984bd075e
SHA256 8721aec783b1ceaeb1c0e89363ed5ec1b4851f49ed5ebf4014395a4984bd075e
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

8721aec783b1ceaeb1c0e89363ed5ec1b4851f49ed5ebf4014395a4984bd075e

Threat Level: Known bad

The file 8721aec783b1ceaeb1c0e89363ed5ec1b4851f49ed5ebf4014395a4984bd075e 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

2024-06-27 14:25

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-27 14:25

Reported

2024-06-27 14:28

Platform

win7-20231129-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8721aec783b1ceaeb1c0e89363ed5ec1b4851f49ed5ebf4014395a4984bd075e.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\8721aec783b1ceaeb1c0e89363ed5ec1b4851f49ed5ebf4014395a4984bd075e.exe

"C:\Users\Admin\AppData\Local\Temp\8721aec783b1ceaeb1c0e89363ed5ec1b4851f49ed5ebf4014395a4984bd075e.exe"

Network

Country Destination Domain Proto
RU 45.156.24.8:44307 tcp
RU 45.156.24.8:44307 tcp
RU 45.156.24.8:44307 tcp
RU 45.156.24.8:44307 tcp
RU 45.156.24.8:44307 tcp
RU 45.156.24.8:44307 tcp
RU 45.156.24.8:44307 tcp
RU 45.156.24.8:44307 tcp

Files

memory/2924-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2924-1-0x0000000000400000-0x000000000040C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-27 14:25

Reported

2024-06-27 14:28

Platform

win10v2004-20240611-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8721aec783b1ceaeb1c0e89363ed5ec1b4851f49ed5ebf4014395a4984bd075e.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\8721aec783b1ceaeb1c0e89363ed5ec1b4851f49ed5ebf4014395a4984bd075e.exe

"C:\Users\Admin\AppData\Local\Temp\8721aec783b1ceaeb1c0e89363ed5ec1b4851f49ed5ebf4014395a4984bd075e.exe"

Network

Country Destination Domain Proto
RU 45.156.24.8:44307 tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 20.189.173.13:443 tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 167.57.26.184.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
RU 45.156.24.8:44307 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 138.201.86.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
RU 45.156.24.8:44307 tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
RU 45.156.24.8:44307 tcp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
RU 45.156.24.8:44307 tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
RU 45.156.24.8:44307 tcp
RU 45.156.24.8:44307 tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
RU 45.156.24.8:44307 tcp

Files

memory/4532-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/4532-1-0x0000000000400000-0x000000000040C000-memory.dmp