Malware Analysis Report

2024-10-16 05:21

Sample ID 240729-yq81jsscmf
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 20:00

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 20:00

Reported

2024-07-29 20:01

Platform

win7-20240708-en

Max time kernel

23s

Max time network

28s

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

Files

memory/2372-0-0x0000000000220000-0x0000000000267000-memory.dmp

memory/2372-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2372-2-0x0000000000360000-0x0000000000393000-memory.dmp

memory/2372-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 20:00

Reported

2024-07-29 20:01

Platform

win10v2004-20240709-en

Max time kernel

21s

Max time network

19s

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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp

Files

memory/1444-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1444-0-0x00000000006C0000-0x0000000000707000-memory.dmp

memory/1444-2-0x0000000002120000-0x0000000002153000-memory.dmp

memory/1444-3-0x0000000000400000-0x000000000045F000-memory.dmp