Malware Analysis Report

2024-10-16 05:22

Sample ID 240730-kvcw1svhrm
Target c566ee71f31877e7fb80ce046e119c7df4fad2f764f19c0db54fde8b0961f109
SHA256 c566ee71f31877e7fb80ce046e119c7df4fad2f764f19c0db54fde8b0961f109
Tags
cobaltstrike 1359593325 backdoor discovery trojan cryptone packer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c566ee71f31877e7fb80ce046e119c7df4fad2f764f19c0db54fde8b0961f109

Threat Level: Known bad

The file c566ee71f31877e7fb80ce046e119c7df4fad2f764f19c0db54fde8b0961f109 was found to be: Known bad.

Malicious Activity Summary

cobaltstrike 1359593325 backdoor discovery trojan cryptone packer

Cobaltstrike

CryptOne packer

System Location Discovery: System Language Discovery

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-30 08:54

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: behavioral2

Detonation Overview

Submitted

2024-07-30 08:54

Reported

2024-07-30 08:58

Platform

win10v2004-20240709-en

Max time kernel

140s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c566ee71f31877e7fb80ce046e119c7df4fad2f764f19c0db54fde8b0961f109.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\c566ee71f31877e7fb80ce046e119c7df4fad2f764f19c0db54fde8b0961f109.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c566ee71f31877e7fb80ce046e119c7df4fad2f764f19c0db54fde8b0961f109.exe

"C:\Users\Admin\AppData\Local\Temp\c566ee71f31877e7fb80ce046e119c7df4fad2f764f19c0db54fde8b0961f109.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 19.229.111.52.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 10.28.171.150.in-addr.arpa udp

Files

memory/440-0-0x0000000000600000-0x0000000000647000-memory.dmp

memory/440-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/440-2-0x0000000002340000-0x0000000002373000-memory.dmp

memory/440-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-30 08:54

Reported

2024-07-30 08:57

Platform

win7-20240704-en

Max time kernel

142s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c566ee71f31877e7fb80ce046e119c7df4fad2f764f19c0db54fde8b0961f109.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\c566ee71f31877e7fb80ce046e119c7df4fad2f764f19c0db54fde8b0961f109.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c566ee71f31877e7fb80ce046e119c7df4fad2f764f19c0db54fde8b0961f109.exe

"C:\Users\Admin\AppData\Local\Temp\c566ee71f31877e7fb80ce046e119c7df4fad2f764f19c0db54fde8b0961f109.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/2840-0-0x0000000000220000-0x0000000000267000-memory.dmp

memory/2840-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2840-2-0x0000000000370000-0x00000000003A3000-memory.dmp

memory/2840-3-0x0000000000400000-0x000000000045F000-memory.dmp