Malware Analysis Report

2024-10-16 05:21

Sample ID 240729-taxkcswanq
Target 4327337e561dc04368ff76a74ee5ca5c8d4d25ef7f646fdbff477e0808539f32
SHA256 4327337e561dc04368ff76a74ee5ca5c8d4d25ef7f646fdbff477e0808539f32
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

4327337e561dc04368ff76a74ee5ca5c8d4d25ef7f646fdbff477e0808539f32

Threat Level: Known bad

The file 4327337e561dc04368ff76a74ee5ca5c8d4d25ef7f646fdbff477e0808539f32 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 15:51

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 15:51

Reported

2024-07-29 15:54

Platform

win7-20240705-en

Max time kernel

142s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4327337e561dc04368ff76a74ee5ca5c8d4d25ef7f646fdbff477e0808539f32.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\4327337e561dc04368ff76a74ee5ca5c8d4d25ef7f646fdbff477e0808539f32.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4327337e561dc04368ff76a74ee5ca5c8d4d25ef7f646fdbff477e0808539f32.exe

"C:\Users\Admin\AppData\Local\Temp\4327337e561dc04368ff76a74ee5ca5c8d4d25ef7f646fdbff477e0808539f32.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/1596-0-0x0000000000220000-0x0000000000267000-memory.dmp

memory/1596-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1596-2-0x00000000003B0000-0x00000000003E3000-memory.dmp

memory/1596-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 15:51

Reported

2024-07-29 15:54

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4327337e561dc04368ff76a74ee5ca5c8d4d25ef7f646fdbff477e0808539f32.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\4327337e561dc04368ff76a74ee5ca5c8d4d25ef7f646fdbff477e0808539f32.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4327337e561dc04368ff76a74ee5ca5c8d4d25ef7f646fdbff477e0808539f32.exe

"C:\Users\Admin\AppData\Local\Temp\4327337e561dc04368ff76a74ee5ca5c8d4d25ef7f646fdbff477e0808539f32.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.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 5.39.222.84:80 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 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 84.65.42.20.in-addr.arpa udp

Files

memory/1100-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1100-0-0x0000000000700000-0x0000000000747000-memory.dmp

memory/1100-2-0x0000000002340000-0x0000000002373000-memory.dmp

memory/1100-3-0x0000000000400000-0x000000000045F000-memory.dmp