Malware Analysis Report

2024-10-16 05:22

Sample ID 240729-lvxrvswcna
Target 636af362175f036aced3af56e6bf52813fc37732d3e434949de50cf5df70d9a8
SHA256 636af362175f036aced3af56e6bf52813fc37732d3e434949de50cf5df70d9a8
Tags
cryptone packer cobaltstrike 1359593325 backdoor discovery trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

636af362175f036aced3af56e6bf52813fc37732d3e434949de50cf5df70d9a8

Threat Level: Known bad

The file 636af362175f036aced3af56e6bf52813fc37732d3e434949de50cf5df70d9a8 was found to be: Known bad.

Malicious Activity Summary

cryptone packer cobaltstrike 1359593325 backdoor discovery trojan

Cobaltstrike

CryptOne packer

Unsigned PE

System Location Discovery: System Language Discovery

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-29 09:51

Signatures

CryptOne packer

cryptone packer
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-29 09:51

Reported

2024-07-29 09:54

Platform

win7-20240705-en

Max time kernel

142s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\636af362175f036aced3af56e6bf52813fc37732d3e434949de50cf5df70d9a8.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\636af362175f036aced3af56e6bf52813fc37732d3e434949de50cf5df70d9a8.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\636af362175f036aced3af56e6bf52813fc37732d3e434949de50cf5df70d9a8.exe

"C:\Users\Admin\AppData\Local\Temp\636af362175f036aced3af56e6bf52813fc37732d3e434949de50cf5df70d9a8.exe"

Network

Country Destination Domain Proto
NL 5.39.222.84:80 tcp
NL 5.39.222.84:80 tcp
NL 5.39.222.84:80 tcp
NL 5.39.222.84:80 tcp

Files

memory/1424-0-0x0000000000220000-0x0000000000267000-memory.dmp

memory/1424-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1424-2-0x00000000002C0000-0x00000000002F3000-memory.dmp

memory/1424-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 09:51

Reported

2024-07-29 09:54

Platform

win10v2004-20240704-en

Max time kernel

141s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\636af362175f036aced3af56e6bf52813fc37732d3e434949de50cf5df70d9a8.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\636af362175f036aced3af56e6bf52813fc37732d3e434949de50cf5df70d9a8.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\636af362175f036aced3af56e6bf52813fc37732d3e434949de50cf5df70d9a8.exe

"C:\Users\Admin\AppData\Local\Temp\636af362175f036aced3af56e6bf52813fc37732d3e434949de50cf5df70d9a8.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 16.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
NL 5.39.222.84:80 tcp
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
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/900-0-0x00000000021A0000-0x00000000021E7000-memory.dmp

memory/900-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/900-2-0x0000000002360000-0x0000000002393000-memory.dmp

memory/900-3-0x0000000000400000-0x000000000045F000-memory.dmp