Malware Analysis Report

2024-10-16 05:21

Sample ID 240730-ksk5lsvhpp
Target 7fe99b9dd11e5fd2360fef1a991858aea7b28e48eb64cafe7f35c3370053689d
SHA256 7fe99b9dd11e5fd2360fef1a991858aea7b28e48eb64cafe7f35c3370053689d
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

7fe99b9dd11e5fd2360fef1a991858aea7b28e48eb64cafe7f35c3370053689d

Threat Level: Known bad

The file 7fe99b9dd11e5fd2360fef1a991858aea7b28e48eb64cafe7f35c3370053689d 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 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

2024-07-30 08:51

Reported

2024-07-30 08:54

Platform

win7-20240705-en

Max time kernel

140s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7fe99b9dd11e5fd2360fef1a991858aea7b28e48eb64cafe7f35c3370053689d.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\7fe99b9dd11e5fd2360fef1a991858aea7b28e48eb64cafe7f35c3370053689d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7fe99b9dd11e5fd2360fef1a991858aea7b28e48eb64cafe7f35c3370053689d.exe

"C:\Users\Admin\AppData\Local\Temp\7fe99b9dd11e5fd2360fef1a991858aea7b28e48eb64cafe7f35c3370053689d.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/2976-0-0x0000000000220000-0x0000000000267000-memory.dmp

memory/2976-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2976-2-0x0000000000350000-0x0000000000383000-memory.dmp

memory/2976-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-30 08:51

Reported

2024-07-30 08:54

Platform

win10v2004-20240729-en

Max time kernel

142s

Max time network

99s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7fe99b9dd11e5fd2360fef1a991858aea7b28e48eb64cafe7f35c3370053689d.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\7fe99b9dd11e5fd2360fef1a991858aea7b28e48eb64cafe7f35c3370053689d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7fe99b9dd11e5fd2360fef1a991858aea7b28e48eb64cafe7f35c3370053689d.exe

"C:\Users\Admin\AppData\Local\Temp\7fe99b9dd11e5fd2360fef1a991858aea7b28e48eb64cafe7f35c3370053689d.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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

Files

memory/2456-0-0x00000000006F0000-0x0000000000737000-memory.dmp

memory/2456-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2456-2-0x0000000002360000-0x0000000002393000-memory.dmp

memory/2456-3-0x0000000000400000-0x000000000045F000-memory.dmp