Malware Analysis Report

2024-10-16 05:21

Sample ID 240729-3wkx5a1fnd
Target 17fc524def8d20e792d3b551334b9a26fa5d81dbfb5c1207cc4328404ff688f5
SHA256 17fc524def8d20e792d3b551334b9a26fa5d81dbfb5c1207cc4328404ff688f5
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

17fc524def8d20e792d3b551334b9a26fa5d81dbfb5c1207cc4328404ff688f5

Threat Level: Known bad

The file 17fc524def8d20e792d3b551334b9a26fa5d81dbfb5c1207cc4328404ff688f5 was found to be: Known bad.

Malicious Activity Summary

cryptone packer cobaltstrike 1359593325 backdoor discovery trojan

Cobaltstrike

CryptOne packer

System Location Discovery: System Language Discovery

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-29 23:51

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 23:51

Reported

2024-07-29 23:54

Platform

win7-20240729-en

Max time kernel

140s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\17fc524def8d20e792d3b551334b9a26fa5d81dbfb5c1207cc4328404ff688f5.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\17fc524def8d20e792d3b551334b9a26fa5d81dbfb5c1207cc4328404ff688f5.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\17fc524def8d20e792d3b551334b9a26fa5d81dbfb5c1207cc4328404ff688f5.exe

"C:\Users\Admin\AppData\Local\Temp\17fc524def8d20e792d3b551334b9a26fa5d81dbfb5c1207cc4328404ff688f5.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/2500-0-0x00000000001B0000-0x00000000001F7000-memory.dmp

memory/2500-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2500-2-0x0000000001D30000-0x0000000001D63000-memory.dmp

memory/2500-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 23:51

Reported

2024-07-29 23:54

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\17fc524def8d20e792d3b551334b9a26fa5d81dbfb5c1207cc4328404ff688f5.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\17fc524def8d20e792d3b551334b9a26fa5d81dbfb5c1207cc4328404ff688f5.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\17fc524def8d20e792d3b551334b9a26fa5d81dbfb5c1207cc4328404ff688f5.exe

"C:\Users\Admin\AppData\Local\Temp\17fc524def8d20e792d3b551334b9a26fa5d81dbfb5c1207cc4328404ff688f5.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
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 8.8.8.8:53 235.17.178.52.in-addr.arpa udp

Files

memory/1272-0-0x00000000021A0000-0x00000000021E7000-memory.dmp

memory/1272-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1272-2-0x0000000002240000-0x0000000002273000-memory.dmp

memory/1272-3-0x0000000000400000-0x000000000045F000-memory.dmp