Malware Analysis Report

2024-10-16 05:21

Sample ID 240730-mx84ca1grg
Target 75771f98c51af8b792c2fa8d7f373bf8c9751103f9f84490f38666c381bc0752
SHA256 75771f98c51af8b792c2fa8d7f373bf8c9751103f9f84490f38666c381bc0752
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

75771f98c51af8b792c2fa8d7f373bf8c9751103f9f84490f38666c381bc0752

Threat Level: Known bad

The file 75771f98c51af8b792c2fa8d7f373bf8c9751103f9f84490f38666c381bc0752 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

2024-07-30 10:51

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

2024-07-30 10:51

Reported

2024-07-30 10:54

Platform

win7-20240729-en

Max time kernel

142s

Max time network

134s

Command Line

"C:\Users\Admin\AppData\Local\Temp\75771f98c51af8b792c2fa8d7f373bf8c9751103f9f84490f38666c381bc0752.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\75771f98c51af8b792c2fa8d7f373bf8c9751103f9f84490f38666c381bc0752.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\75771f98c51af8b792c2fa8d7f373bf8c9751103f9f84490f38666c381bc0752.exe

"C:\Users\Admin\AppData\Local\Temp\75771f98c51af8b792c2fa8d7f373bf8c9751103f9f84490f38666c381bc0752.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/824-0-0x0000000000220000-0x0000000000267000-memory.dmp

memory/824-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/824-2-0x0000000000340000-0x0000000000373000-memory.dmp

memory/824-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-30 10:51

Reported

2024-07-30 10:54

Platform

win10v2004-20240709-en

Max time kernel

140s

Max time network

99s

Command Line

"C:\Users\Admin\AppData\Local\Temp\75771f98c51af8b792c2fa8d7f373bf8c9751103f9f84490f38666c381bc0752.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\75771f98c51af8b792c2fa8d7f373bf8c9751103f9f84490f38666c381bc0752.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\75771f98c51af8b792c2fa8d7f373bf8c9751103f9f84490f38666c381bc0752.exe

"C:\Users\Admin\AppData\Local\Temp\75771f98c51af8b792c2fa8d7f373bf8c9751103f9f84490f38666c381bc0752.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.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 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/3036-0-0x00000000021B0000-0x00000000021F7000-memory.dmp

memory/3036-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/3036-2-0x0000000002350000-0x0000000002383000-memory.dmp

memory/3036-3-0x0000000000400000-0x000000000045F000-memory.dmp