Malware Analysis Report

2024-10-16 05:22

Sample ID 240729-kslfdavcla
Target 9b549076ea9287ea7ad9fea1a465c7e3c97408ec967509989559436412e95a0d
SHA256 9b549076ea9287ea7ad9fea1a465c7e3c97408ec967509989559436412e95a0d
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

9b549076ea9287ea7ad9fea1a465c7e3c97408ec967509989559436412e95a0d

Threat Level: Known bad

The file 9b549076ea9287ea7ad9fea1a465c7e3c97408ec967509989559436412e95a0d 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 08:51

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 08:51

Reported

2024-07-29 08:58

Platform

win7-20240704-en

Max time kernel

141s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9b549076ea9287ea7ad9fea1a465c7e3c97408ec967509989559436412e95a0d.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\9b549076ea9287ea7ad9fea1a465c7e3c97408ec967509989559436412e95a0d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9b549076ea9287ea7ad9fea1a465c7e3c97408ec967509989559436412e95a0d.exe

"C:\Users\Admin\AppData\Local\Temp\9b549076ea9287ea7ad9fea1a465c7e3c97408ec967509989559436412e95a0d.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/2128-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2128-0-0x0000000000220000-0x0000000000267000-memory.dmp

memory/2128-2-0x00000000002C0000-0x00000000002F3000-memory.dmp

memory/2128-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 08:51

Reported

2024-07-29 08:58

Platform

win10v2004-20240709-en

Max time kernel

142s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9b549076ea9287ea7ad9fea1a465c7e3c97408ec967509989559436412e95a0d.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\9b549076ea9287ea7ad9fea1a465c7e3c97408ec967509989559436412e95a0d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9b549076ea9287ea7ad9fea1a465c7e3c97408ec967509989559436412e95a0d.exe

"C:\Users\Admin\AppData\Local\Temp\9b549076ea9287ea7ad9fea1a465c7e3c97408ec967509989559436412e95a0d.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 19.229.111.52.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
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp

Files

memory/4468-0-0x00000000005F0000-0x0000000000637000-memory.dmp

memory/4468-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4468-2-0x0000000002120000-0x0000000002153000-memory.dmp

memory/4468-3-0x0000000000400000-0x000000000045F000-memory.dmp