Malware Analysis Report

2024-10-16 05:21

Sample ID 240730-b99pvswdpd
Target b576a61d477a04682f938de974565cf56706507bf4bb39470d7abded299d5fc4
SHA256 b576a61d477a04682f938de974565cf56706507bf4bb39470d7abded299d5fc4
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

b576a61d477a04682f938de974565cf56706507bf4bb39470d7abded299d5fc4

Threat Level: Known bad

The file b576a61d477a04682f938de974565cf56706507bf4bb39470d7abded299d5fc4 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

2024-07-30 01:51

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

2024-07-30 01:51

Reported

2024-07-30 01:55

Platform

win7-20240704-en

Max time kernel

142s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b576a61d477a04682f938de974565cf56706507bf4bb39470d7abded299d5fc4.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\b576a61d477a04682f938de974565cf56706507bf4bb39470d7abded299d5fc4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b576a61d477a04682f938de974565cf56706507bf4bb39470d7abded299d5fc4.exe

"C:\Users\Admin\AppData\Local\Temp\b576a61d477a04682f938de974565cf56706507bf4bb39470d7abded299d5fc4.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/2240-0-0x0000000000220000-0x0000000000267000-memory.dmp

memory/2240-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2240-2-0x00000000005F0000-0x0000000000623000-memory.dmp

memory/2240-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-30 01:51

Reported

2024-07-30 01:54

Platform

win10v2004-20240709-en

Max time kernel

141s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b576a61d477a04682f938de974565cf56706507bf4bb39470d7abded299d5fc4.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\b576a61d477a04682f938de974565cf56706507bf4bb39470d7abded299d5fc4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b576a61d477a04682f938de974565cf56706507bf4bb39470d7abded299d5fc4.exe

"C:\Users\Admin\AppData\Local\Temp\b576a61d477a04682f938de974565cf56706507bf4bb39470d7abded299d5fc4.exe"

Network

Country Destination Domain Proto
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 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.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 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 22.236.111.52.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 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/4168-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4168-0-0x0000000002090000-0x00000000020D7000-memory.dmp

memory/4168-2-0x0000000002270000-0x00000000022A3000-memory.dmp

memory/4168-3-0x0000000000400000-0x000000000045F000-memory.dmp