Malware Analysis Report

2024-10-16 05:22

Sample ID 240729-mx84cavdnq
Target d6131c4fcc2091f923215dd1c90f8c683c9607075d06ac15b0d06b230cd3b4cb
SHA256 d6131c4fcc2091f923215dd1c90f8c683c9607075d06ac15b0d06b230cd3b4cb
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

d6131c4fcc2091f923215dd1c90f8c683c9607075d06ac15b0d06b230cd3b4cb

Threat Level: Known bad

The file d6131c4fcc2091f923215dd1c90f8c683c9607075d06ac15b0d06b230cd3b4cb 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 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: behavioral2

Detonation Overview

Submitted

2024-07-29 10:51

Reported

2024-07-29 10:56

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d6131c4fcc2091f923215dd1c90f8c683c9607075d06ac15b0d06b230cd3b4cb.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\d6131c4fcc2091f923215dd1c90f8c683c9607075d06ac15b0d06b230cd3b4cb.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d6131c4fcc2091f923215dd1c90f8c683c9607075d06ac15b0d06b230cd3b4cb.exe

"C:\Users\Admin\AppData\Local\Temp\d6131c4fcc2091f923215dd1c90f8c683c9607075d06ac15b0d06b230cd3b4cb.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.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 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 48.229.111.52.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

Files

memory/4152-0-0x0000000002200000-0x0000000002247000-memory.dmp

memory/4152-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4152-2-0x00000000023C0000-0x00000000023F3000-memory.dmp

memory/4152-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-29 10:51

Reported

2024-07-29 10:56

Platform

win7-20240704-en

Max time kernel

140s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d6131c4fcc2091f923215dd1c90f8c683c9607075d06ac15b0d06b230cd3b4cb.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\d6131c4fcc2091f923215dd1c90f8c683c9607075d06ac15b0d06b230cd3b4cb.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d6131c4fcc2091f923215dd1c90f8c683c9607075d06ac15b0d06b230cd3b4cb.exe

"C:\Users\Admin\AppData\Local\Temp\d6131c4fcc2091f923215dd1c90f8c683c9607075d06ac15b0d06b230cd3b4cb.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/2392-0-0x0000000000220000-0x0000000000267000-memory.dmp

memory/2392-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2392-2-0x00000000002C0000-0x00000000002F3000-memory.dmp

memory/2392-3-0x0000000000400000-0x000000000045F000-memory.dmp