Malware Analysis Report

2024-10-16 05:21

Sample ID 240729-ym16jasbjg
Target 5549f7ca925c7b7188132028cbea843d3e85ebb33a47c3fadd9d1d869294c41e
SHA256 5549f7ca925c7b7188132028cbea843d3e85ebb33a47c3fadd9d1d869294c41e
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

5549f7ca925c7b7188132028cbea843d3e85ebb33a47c3fadd9d1d869294c41e

Threat Level: Known bad

The file 5549f7ca925c7b7188132028cbea843d3e85ebb33a47c3fadd9d1d869294c41e 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 19:54

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 19:54

Reported

2024-07-29 19:57

Platform

win7-20240708-en

Max time kernel

140s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5549f7ca925c7b7188132028cbea843d3e85ebb33a47c3fadd9d1d869294c41e.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\5549f7ca925c7b7188132028cbea843d3e85ebb33a47c3fadd9d1d869294c41e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5549f7ca925c7b7188132028cbea843d3e85ebb33a47c3fadd9d1d869294c41e.exe

"C:\Users\Admin\AppData\Local\Temp\5549f7ca925c7b7188132028cbea843d3e85ebb33a47c3fadd9d1d869294c41e.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/2860-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2860-0-0x00000000001B0000-0x00000000001F7000-memory.dmp

memory/2860-2-0x00000000005D0000-0x0000000000603000-memory.dmp

memory/2860-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 19:54

Reported

2024-07-29 19:57

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5549f7ca925c7b7188132028cbea843d3e85ebb33a47c3fadd9d1d869294c41e.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\5549f7ca925c7b7188132028cbea843d3e85ebb33a47c3fadd9d1d869294c41e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5549f7ca925c7b7188132028cbea843d3e85ebb33a47c3fadd9d1d869294c41e.exe

"C:\Users\Admin\AppData\Local\Temp\5549f7ca925c7b7188132028cbea843d3e85ebb33a47c3fadd9d1d869294c41e.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 241.150.49.20.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 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
NL 5.39.222.87:80 tcp
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 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/4828-0-0x0000000002080000-0x00000000020C7000-memory.dmp

memory/4828-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4828-2-0x0000000002220000-0x0000000002253000-memory.dmp

memory/4828-3-0x0000000000400000-0x000000000045F000-memory.dmp