Malware Analysis Report

2024-10-16 05:21

Sample ID 240729-yk9d5axdmq
Target 581cc7727e6a53acd1703123fd7b95cbd96114179355d282338f0927d9bd2c56
SHA256 581cc7727e6a53acd1703123fd7b95cbd96114179355d282338f0927d9bd2c56
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

581cc7727e6a53acd1703123fd7b95cbd96114179355d282338f0927d9bd2c56

Threat Level: Known bad

The file 581cc7727e6a53acd1703123fd7b95cbd96114179355d282338f0927d9bd2c56 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 19:51

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 19:51

Reported

2024-07-29 19:54

Platform

win7-20240704-en

Max time kernel

141s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\581cc7727e6a53acd1703123fd7b95cbd96114179355d282338f0927d9bd2c56.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\581cc7727e6a53acd1703123fd7b95cbd96114179355d282338f0927d9bd2c56.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\581cc7727e6a53acd1703123fd7b95cbd96114179355d282338f0927d9bd2c56.exe

"C:\Users\Admin\AppData\Local\Temp\581cc7727e6a53acd1703123fd7b95cbd96114179355d282338f0927d9bd2c56.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/1292-0-0x00000000002C0000-0x0000000000307000-memory.dmp

memory/1292-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1292-2-0x0000000000360000-0x0000000000393000-memory.dmp

memory/1292-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 19:51

Reported

2024-07-29 19:54

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\581cc7727e6a53acd1703123fd7b95cbd96114179355d282338f0927d9bd2c56.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\581cc7727e6a53acd1703123fd7b95cbd96114179355d282338f0927d9bd2c56.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\581cc7727e6a53acd1703123fd7b95cbd96114179355d282338f0927d9bd2c56.exe

"C:\Users\Admin\AppData\Local\Temp\581cc7727e6a53acd1703123fd7b95cbd96114179355d282338f0927d9bd2c56.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 37.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 203.142.123.92.in-addr.arpa udp
NL 5.39.222.87:80 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 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 8.179.89.13.in-addr.arpa udp

Files

memory/4608-0-0x00000000021F0000-0x0000000002237000-memory.dmp

memory/4608-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4608-2-0x0000000002390000-0x00000000023C3000-memory.dmp

memory/4608-3-0x0000000000400000-0x000000000045F000-memory.dmp