Malware Analysis Report

2024-10-16 05:21

Sample ID 240730-eex95atflk
Target 51d6e43b01227a985fd22df51dd3f981c982134a6f5a561facc66b916be995b3
SHA256 51d6e43b01227a985fd22df51dd3f981c982134a6f5a561facc66b916be995b3
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

51d6e43b01227a985fd22df51dd3f981c982134a6f5a561facc66b916be995b3

Threat Level: Known bad

The file 51d6e43b01227a985fd22df51dd3f981c982134a6f5a561facc66b916be995b3 was found to be: Known bad.

Malicious Activity Summary

cryptone packer cobaltstrike 1359593325 backdoor discovery trojan

Cobaltstrike

CryptOne packer

System Location Discovery: System Language Discovery

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-30 03:51

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 03:51

Reported

2024-07-30 03:54

Platform

win7-20240704-en

Max time kernel

142s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\51d6e43b01227a985fd22df51dd3f981c982134a6f5a561facc66b916be995b3.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\51d6e43b01227a985fd22df51dd3f981c982134a6f5a561facc66b916be995b3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\51d6e43b01227a985fd22df51dd3f981c982134a6f5a561facc66b916be995b3.exe

"C:\Users\Admin\AppData\Local\Temp\51d6e43b01227a985fd22df51dd3f981c982134a6f5a561facc66b916be995b3.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/1832-0-0x0000000000460000-0x00000000004A7000-memory.dmp

memory/1832-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1832-2-0x0000000001D50000-0x0000000001D83000-memory.dmp

memory/1832-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-30 03:51

Reported

2024-07-30 03:54

Platform

win10v2004-20240709-en

Max time kernel

143s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\51d6e43b01227a985fd22df51dd3f981c982134a6f5a561facc66b916be995b3.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\51d6e43b01227a985fd22df51dd3f981c982134a6f5a561facc66b916be995b3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\51d6e43b01227a985fd22df51dd3f981c982134a6f5a561facc66b916be995b3.exe

"C:\Users\Admin\AppData\Local\Temp\51d6e43b01227a985fd22df51dd3f981c982134a6f5a561facc66b916be995b3.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 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 149.220.183.52.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 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.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
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa 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 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 93.65.42.20.in-addr.arpa udp

Files

memory/4352-0-0x0000000000600000-0x0000000000647000-memory.dmp

memory/4352-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4352-2-0x0000000000650000-0x0000000000683000-memory.dmp

memory/4352-3-0x0000000000400000-0x000000000045F000-memory.dmp