Malware Analysis Report

2024-10-16 05:22

Sample ID 240729-lvxf4awcme
Target b7fdf0a52ccc1fca7eec1034c708d9be64f62a77595a1fda072cbb5a99ac41eb
SHA256 b7fdf0a52ccc1fca7eec1034c708d9be64f62a77595a1fda072cbb5a99ac41eb
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

b7fdf0a52ccc1fca7eec1034c708d9be64f62a77595a1fda072cbb5a99ac41eb

Threat Level: Known bad

The file b7fdf0a52ccc1fca7eec1034c708d9be64f62a77595a1fda072cbb5a99ac41eb 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

win7-20240704-en

Max time kernel

143s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b7fdf0a52ccc1fca7eec1034c708d9be64f62a77595a1fda072cbb5a99ac41eb.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\b7fdf0a52ccc1fca7eec1034c708d9be64f62a77595a1fda072cbb5a99ac41eb.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b7fdf0a52ccc1fca7eec1034c708d9be64f62a77595a1fda072cbb5a99ac41eb.exe

"C:\Users\Admin\AppData\Local\Temp\b7fdf0a52ccc1fca7eec1034c708d9be64f62a77595a1fda072cbb5a99ac41eb.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/560-0-0x0000000000220000-0x0000000000267000-memory.dmp

memory/560-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/560-2-0x00000000002C0000-0x00000000002F3000-memory.dmp

memory/560-3-0x0000000000400000-0x000000000045F000-memory.dmp

memory/560-6-0x0000000000400000-0x000000000044B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 09:51

Reported

2024-07-29 09:54

Platform

win10v2004-20240709-en

Max time kernel

142s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b7fdf0a52ccc1fca7eec1034c708d9be64f62a77595a1fda072cbb5a99ac41eb.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\b7fdf0a52ccc1fca7eec1034c708d9be64f62a77595a1fda072cbb5a99ac41eb.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b7fdf0a52ccc1fca7eec1034c708d9be64f62a77595a1fda072cbb5a99ac41eb.exe

"C:\Users\Admin\AppData\Local\Temp\b7fdf0a52ccc1fca7eec1034c708d9be64f62a77595a1fda072cbb5a99ac41eb.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 17.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.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
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/2596-0-0x00000000021A0000-0x00000000021E7000-memory.dmp

memory/2596-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2596-2-0x0000000002350000-0x0000000002383000-memory.dmp

memory/2596-3-0x0000000000400000-0x000000000045F000-memory.dmp