Malware Analysis Report

2024-10-16 05:21

Sample ID 240730-ksk5lsvhpm
Target e3c9313b9a689fe9d9226ea7ddd9047dfde78edaf1e0ca4010dd24f59a16c4b7
SHA256 e3c9313b9a689fe9d9226ea7ddd9047dfde78edaf1e0ca4010dd24f59a16c4b7
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

e3c9313b9a689fe9d9226ea7ddd9047dfde78edaf1e0ca4010dd24f59a16c4b7

Threat Level: Known bad

The file e3c9313b9a689fe9d9226ea7ddd9047dfde78edaf1e0ca4010dd24f59a16c4b7 was found to be: Known bad.

Malicious Activity Summary

cobaltstrike 1359593325 backdoor discovery trojan cryptone packer

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: behavioral2

Detonation Overview

Submitted

2024-07-30 08:51

Reported

2024-07-30 08:54

Platform

win10v2004-20240709-en

Max time kernel

140s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e3c9313b9a689fe9d9226ea7ddd9047dfde78edaf1e0ca4010dd24f59a16c4b7.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\e3c9313b9a689fe9d9226ea7ddd9047dfde78edaf1e0ca4010dd24f59a16c4b7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e3c9313b9a689fe9d9226ea7ddd9047dfde78edaf1e0ca4010dd24f59a16c4b7.exe

"C:\Users\Admin\AppData\Local\Temp\e3c9313b9a689fe9d9226ea7ddd9047dfde78edaf1e0ca4010dd24f59a16c4b7.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
NL 5.39.222.87:80 tcp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.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 14.227.111.52.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

Files

memory/5080-0-0x00000000021A0000-0x00000000021E7000-memory.dmp

memory/5080-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/5080-2-0x0000000002370000-0x00000000023A3000-memory.dmp

memory/5080-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-30 08:51

Reported

2024-07-30 08:54

Platform

win7-20240705-en

Max time kernel

142s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e3c9313b9a689fe9d9226ea7ddd9047dfde78edaf1e0ca4010dd24f59a16c4b7.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\e3c9313b9a689fe9d9226ea7ddd9047dfde78edaf1e0ca4010dd24f59a16c4b7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e3c9313b9a689fe9d9226ea7ddd9047dfde78edaf1e0ca4010dd24f59a16c4b7.exe

"C:\Users\Admin\AppData\Local\Temp\e3c9313b9a689fe9d9226ea7ddd9047dfde78edaf1e0ca4010dd24f59a16c4b7.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/828-0-0x0000000000400000-0x000000000045F000-memory.dmp

memory/828-1-0x00000000004D0000-0x0000000000503000-memory.dmp