Malware Analysis Report

2024-10-16 05:22

Sample ID 240729-p3w23syglk
Target a40b9c3e5d34a2d8c6dd6111f07c1d1f2a4f631ee1d1f23e448caacb1732ebfa
SHA256 a40b9c3e5d34a2d8c6dd6111f07c1d1f2a4f631ee1d1f23e448caacb1732ebfa
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

a40b9c3e5d34a2d8c6dd6111f07c1d1f2a4f631ee1d1f23e448caacb1732ebfa

Threat Level: Known bad

The file a40b9c3e5d34a2d8c6dd6111f07c1d1f2a4f631ee1d1f23e448caacb1732ebfa 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 12:51

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 12:51

Reported

2024-07-29 12:54

Platform

win7-20240704-en

Max time kernel

142s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a40b9c3e5d34a2d8c6dd6111f07c1d1f2a4f631ee1d1f23e448caacb1732ebfa.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\a40b9c3e5d34a2d8c6dd6111f07c1d1f2a4f631ee1d1f23e448caacb1732ebfa.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a40b9c3e5d34a2d8c6dd6111f07c1d1f2a4f631ee1d1f23e448caacb1732ebfa.exe

"C:\Users\Admin\AppData\Local\Temp\a40b9c3e5d34a2d8c6dd6111f07c1d1f2a4f631ee1d1f23e448caacb1732ebfa.exe"

Network

Country Destination Domain Proto
NL 5.39.222.87:80 tcp
NL 5.39.222.87:80 tcp
NL 5.39.222.87:80 tcp
NL 5.39.222.87:80 tcp

Files

memory/2164-0-0x0000000000220000-0x0000000000267000-memory.dmp

memory/2164-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2164-2-0x00000000002C0000-0x00000000002F3000-memory.dmp

memory/2164-3-0x0000000000400000-0x000000000045F000-memory.dmp

memory/2164-6-0x0000000000400000-0x000000000044B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 12:51

Reported

2024-07-29 12:54

Platform

win10v2004-20240709-en

Max time kernel

141s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a40b9c3e5d34a2d8c6dd6111f07c1d1f2a4f631ee1d1f23e448caacb1732ebfa.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\a40b9c3e5d34a2d8c6dd6111f07c1d1f2a4f631ee1d1f23e448caacb1732ebfa.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a40b9c3e5d34a2d8c6dd6111f07c1d1f2a4f631ee1d1f23e448caacb1732ebfa.exe

"C:\Users\Admin\AppData\Local\Temp\a40b9c3e5d34a2d8c6dd6111f07c1d1f2a4f631ee1d1f23e448caacb1732ebfa.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 31.243.111.52.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 10.28.171.150.in-addr.arpa udp

Files

memory/2892-0-0x0000000000600000-0x0000000000647000-memory.dmp

memory/2892-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2892-2-0x0000000002240000-0x0000000002273000-memory.dmp

memory/2892-3-0x0000000000400000-0x000000000045F000-memory.dmp