Malware Analysis Report

2024-10-16 05:21

Sample ID 240729-yk9d5axdmp
Target 3b8b334a9e61660035e92d8ea6227d695fae298a3ca90b8b563b2307ac02819e
SHA256 3b8b334a9e61660035e92d8ea6227d695fae298a3ca90b8b563b2307ac02819e
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

3b8b334a9e61660035e92d8ea6227d695fae298a3ca90b8b563b2307ac02819e

Threat Level: Known bad

The file 3b8b334a9e61660035e92d8ea6227d695fae298a3ca90b8b563b2307ac02819e 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 19:51

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 19:51

Reported

2024-07-29 19:55

Platform

win7-20240704-en

Max time kernel

143s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3b8b334a9e61660035e92d8ea6227d695fae298a3ca90b8b563b2307ac02819e.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\3b8b334a9e61660035e92d8ea6227d695fae298a3ca90b8b563b2307ac02819e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3b8b334a9e61660035e92d8ea6227d695fae298a3ca90b8b563b2307ac02819e.exe

"C:\Users\Admin\AppData\Local\Temp\3b8b334a9e61660035e92d8ea6227d695fae298a3ca90b8b563b2307ac02819e.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/2520-0-0x00000000003A0000-0x00000000003E7000-memory.dmp

memory/2520-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2520-2-0x0000000001D00000-0x0000000001D33000-memory.dmp

memory/2520-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 19:51

Reported

2024-07-29 19:54

Platform

win10v2004-20240709-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3b8b334a9e61660035e92d8ea6227d695fae298a3ca90b8b563b2307ac02819e.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\3b8b334a9e61660035e92d8ea6227d695fae298a3ca90b8b563b2307ac02819e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3b8b334a9e61660035e92d8ea6227d695fae298a3ca90b8b563b2307ac02819e.exe

"C:\Users\Admin\AppData\Local\Temp\3b8b334a9e61660035e92d8ea6227d695fae298a3ca90b8b563b2307ac02819e.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 193.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 203.142.123.92.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.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 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/3632-0-0x00000000021A0000-0x00000000021E7000-memory.dmp

memory/3632-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/3632-2-0x0000000002340000-0x0000000002373000-memory.dmp

memory/3632-3-0x0000000000400000-0x000000000045F000-memory.dmp