Malware Analysis Report

2024-10-16 05:21

Sample ID 240729-ksk5lszhmm
Target 12635896d057afbdbcc14d0e9bdbe6da15cbcdf58cccde279b646ed646544574
SHA256 12635896d057afbdbcc14d0e9bdbe6da15cbcdf58cccde279b646ed646544574
Tags
cobaltstrike 1359593325 backdoor discovery trojan cryptone packer
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

12635896d057afbdbcc14d0e9bdbe6da15cbcdf58cccde279b646ed646544574

Threat Level: Known bad

The file 12635896d057afbdbcc14d0e9bdbe6da15cbcdf58cccde279b646ed646544574 was found to be: Known bad.

Malicious Activity Summary

cobaltstrike 1359593325 backdoor discovery trojan cryptone packer

Cobaltstrike

CryptOne packer

System Location Discovery: System Language Discovery

Unsigned PE

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 08:56

Platform

win7-20240708-en

Max time kernel

141s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\12635896d057afbdbcc14d0e9bdbe6da15cbcdf58cccde279b646ed646544574.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\12635896d057afbdbcc14d0e9bdbe6da15cbcdf58cccde279b646ed646544574.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\12635896d057afbdbcc14d0e9bdbe6da15cbcdf58cccde279b646ed646544574.exe

"C:\Users\Admin\AppData\Local\Temp\12635896d057afbdbcc14d0e9bdbe6da15cbcdf58cccde279b646ed646544574.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/2328-0-0x0000000000220000-0x0000000000267000-memory.dmp

memory/2328-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2328-2-0x0000000000350000-0x0000000000383000-memory.dmp

memory/2328-3-0x0000000000400000-0x000000000045F000-memory.dmp

memory/2328-6-0x0000000000400000-0x000000000044B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 08:51

Reported

2024-07-29 08:57

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\12635896d057afbdbcc14d0e9bdbe6da15cbcdf58cccde279b646ed646544574.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\12635896d057afbdbcc14d0e9bdbe6da15cbcdf58cccde279b646ed646544574.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\12635896d057afbdbcc14d0e9bdbe6da15cbcdf58cccde279b646ed646544574.exe

"C:\Users\Admin\AppData\Local\Temp\12635896d057afbdbcc14d0e9bdbe6da15cbcdf58cccde279b646ed646544574.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 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 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 170.253.116.51.in-addr.arpa udp

Files

memory/3200-0-0x00000000021B0000-0x00000000021F7000-memory.dmp

memory/3200-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/3200-2-0x0000000002350000-0x0000000002383000-memory.dmp

memory/3200-3-0x0000000000400000-0x000000000045F000-memory.dmp

memory/3200-6-0x0000000000400000-0x000000000044B000-memory.dmp