Malware Analysis Report

2024-10-16 05:22

Sample ID 240729-3yxppsxdll
Target c9fc4835a3049b8e8b7ff882ca0e987fdf5fc8666df794054196af50dd29108b
SHA256 c9fc4835a3049b8e8b7ff882ca0e987fdf5fc8666df794054196af50dd29108b
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

c9fc4835a3049b8e8b7ff882ca0e987fdf5fc8666df794054196af50dd29108b

Threat Level: Known bad

The file c9fc4835a3049b8e8b7ff882ca0e987fdf5fc8666df794054196af50dd29108b 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

2024-07-29 23:55

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 23:55

Reported

2024-07-29 23:59

Platform

win7-20240708-en

Max time kernel

140s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c9fc4835a3049b8e8b7ff882ca0e987fdf5fc8666df794054196af50dd29108b.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\c9fc4835a3049b8e8b7ff882ca0e987fdf5fc8666df794054196af50dd29108b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c9fc4835a3049b8e8b7ff882ca0e987fdf5fc8666df794054196af50dd29108b.exe

"C:\Users\Admin\AppData\Local\Temp\c9fc4835a3049b8e8b7ff882ca0e987fdf5fc8666df794054196af50dd29108b.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/1504-0-0x0000000000220000-0x0000000000267000-memory.dmp

memory/1504-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1504-2-0x0000000000370000-0x00000000003A3000-memory.dmp

memory/1504-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 23:55

Reported

2024-07-29 23:59

Platform

win10v2004-20240709-en

Max time kernel

141s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c9fc4835a3049b8e8b7ff882ca0e987fdf5fc8666df794054196af50dd29108b.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\c9fc4835a3049b8e8b7ff882ca0e987fdf5fc8666df794054196af50dd29108b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c9fc4835a3049b8e8b7ff882ca0e987fdf5fc8666df794054196af50dd29108b.exe

"C:\Users\Admin\AppData\Local\Temp\c9fc4835a3049b8e8b7ff882ca0e987fdf5fc8666df794054196af50dd29108b.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.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 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.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 8.8.8.8:53 172.214.232.199.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 43.229.111.52.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

Files

memory/4524-0-0x0000000000600000-0x0000000000647000-memory.dmp

memory/4524-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4524-2-0x0000000002260000-0x0000000002293000-memory.dmp

memory/4524-3-0x0000000000400000-0x000000000045F000-memory.dmp