Malware Analysis Report

2024-10-16 05:22

Sample ID 240729-r8kmcaxfnb
Target e6545a97e1df740bc40b8d6fae97b6fd3065202f6c6bc2da43dfa992c2bf841c
SHA256 e6545a97e1df740bc40b8d6fae97b6fd3065202f6c6bc2da43dfa992c2bf841c
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: 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

e6545a97e1df740bc40b8d6fae97b6fd3065202f6c6bc2da43dfa992c2bf841c

Threat Level: Known bad

The file e6545a97e1df740bc40b8d6fae97b6fd3065202f6c6bc2da43dfa992c2bf841c 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

2024-07-29 14:51

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 14:51

Reported

2024-07-29 14:54

Platform

win7-20240705-en

Max time kernel

140s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e6545a97e1df740bc40b8d6fae97b6fd3065202f6c6bc2da43dfa992c2bf841c.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\e6545a97e1df740bc40b8d6fae97b6fd3065202f6c6bc2da43dfa992c2bf841c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e6545a97e1df740bc40b8d6fae97b6fd3065202f6c6bc2da43dfa992c2bf841c.exe

"C:\Users\Admin\AppData\Local\Temp\e6545a97e1df740bc40b8d6fae97b6fd3065202f6c6bc2da43dfa992c2bf841c.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/2564-0-0x0000000000460000-0x00000000004A7000-memory.dmp

memory/2564-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2564-2-0x0000000000500000-0x0000000000533000-memory.dmp

memory/2564-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 14:51

Reported

2024-07-29 14:55

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e6545a97e1df740bc40b8d6fae97b6fd3065202f6c6bc2da43dfa992c2bf841c.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\e6545a97e1df740bc40b8d6fae97b6fd3065202f6c6bc2da43dfa992c2bf841c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e6545a97e1df740bc40b8d6fae97b6fd3065202f6c6bc2da43dfa992c2bf841c.exe

"C:\Users\Admin\AppData\Local\Temp\e6545a97e1df740bc40b8d6fae97b6fd3065202f6c6bc2da43dfa992c2bf841c.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 23.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.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 81.144.22.2.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 122.10.44.20.in-addr.arpa udp

Files

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

memory/440-0-0x00000000021A0000-0x00000000021E7000-memory.dmp

memory/440-2-0x0000000002360000-0x0000000002393000-memory.dmp

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