Malware Analysis Report

2024-10-16 05:21

Sample ID 240729-wfktvsscjp
Target 825d4cf7c3693ee2714b7fbc7ba29c041e452d7cfb96ce847783281875c85840
SHA256 825d4cf7c3693ee2714b7fbc7ba29c041e452d7cfb96ce847783281875c85840
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

825d4cf7c3693ee2714b7fbc7ba29c041e452d7cfb96ce847783281875c85840

Threat Level: Known bad

The file 825d4cf7c3693ee2714b7fbc7ba29c041e452d7cfb96ce847783281875c85840 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 17:51

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 17:51

Reported

2024-07-29 17:54

Platform

win7-20240704-en

Max time kernel

140s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\825d4cf7c3693ee2714b7fbc7ba29c041e452d7cfb96ce847783281875c85840.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\825d4cf7c3693ee2714b7fbc7ba29c041e452d7cfb96ce847783281875c85840.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\825d4cf7c3693ee2714b7fbc7ba29c041e452d7cfb96ce847783281875c85840.exe

"C:\Users\Admin\AppData\Local\Temp\825d4cf7c3693ee2714b7fbc7ba29c041e452d7cfb96ce847783281875c85840.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/484-0-0x0000000000230000-0x0000000000277000-memory.dmp

memory/484-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/484-2-0x00000000002D0000-0x0000000000303000-memory.dmp

memory/484-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 17:51

Reported

2024-07-29 17:54

Platform

win10v2004-20240709-en

Max time kernel

142s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\825d4cf7c3693ee2714b7fbc7ba29c041e452d7cfb96ce847783281875c85840.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\825d4cf7c3693ee2714b7fbc7ba29c041e452d7cfb96ce847783281875c85840.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\825d4cf7c3693ee2714b7fbc7ba29c041e452d7cfb96ce847783281875c85840.exe

"C:\Users\Admin\AppData\Local\Temp\825d4cf7c3693ee2714b7fbc7ba29c041e452d7cfb96ce847783281875c85840.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
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
NL 5.39.222.84:80 tcp
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

Files

memory/3536-0-0x00000000005C0000-0x0000000000607000-memory.dmp

memory/3536-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/3536-2-0x0000000000610000-0x0000000000643000-memory.dmp

memory/3536-3-0x0000000000400000-0x000000000045F000-memory.dmp