Malware Analysis Report

2024-10-16 05:22

Sample ID 240730-djv5wsxhph
Target 71ca0e3b08a43eb01c661a73d2441600bb8dd65e8af72407e33c8bf36f15da42
SHA256 71ca0e3b08a43eb01c661a73d2441600bb8dd65e8af72407e33c8bf36f15da42
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

71ca0e3b08a43eb01c661a73d2441600bb8dd65e8af72407e33c8bf36f15da42

Threat Level: Known bad

The file 71ca0e3b08a43eb01c661a73d2441600bb8dd65e8af72407e33c8bf36f15da42 was found to be: Known bad.

Malicious Activity Summary

cryptone packer cobaltstrike 1359593325 backdoor discovery trojan

Cobaltstrike

CryptOne packer

System Location Discovery: System Language Discovery

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-30 03:02

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 03:02

Reported

2024-07-30 03:05

Platform

win7-20240704-en

Max time kernel

140s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\71ca0e3b08a43eb01c661a73d2441600bb8dd65e8af72407e33c8bf36f15da42.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\71ca0e3b08a43eb01c661a73d2441600bb8dd65e8af72407e33c8bf36f15da42.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\71ca0e3b08a43eb01c661a73d2441600bb8dd65e8af72407e33c8bf36f15da42.exe

"C:\Users\Admin\AppData\Local\Temp\71ca0e3b08a43eb01c661a73d2441600bb8dd65e8af72407e33c8bf36f15da42.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/1224-0-0x00000000002C0000-0x0000000000307000-memory.dmp

memory/1224-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1224-2-0x0000000000360000-0x0000000000393000-memory.dmp

memory/1224-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-30 03:02

Reported

2024-07-30 03:05

Platform

win10v2004-20240709-en

Max time kernel

140s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\71ca0e3b08a43eb01c661a73d2441600bb8dd65e8af72407e33c8bf36f15da42.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\71ca0e3b08a43eb01c661a73d2441600bb8dd65e8af72407e33c8bf36f15da42.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\71ca0e3b08a43eb01c661a73d2441600bb8dd65e8af72407e33c8bf36f15da42.exe

"C:\Users\Admin\AppData\Local\Temp\71ca0e3b08a43eb01c661a73d2441600bb8dd65e8af72407e33c8bf36f15da42.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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 150.171.27.10:443 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 10.27.171.150.in-addr.arpa udp

Files

memory/4408-0-0x00000000021A0000-0x00000000021E7000-memory.dmp

memory/4408-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4408-2-0x0000000002340000-0x0000000002373000-memory.dmp

memory/4408-3-0x0000000000400000-0x000000000045F000-memory.dmp