Malware Analysis Report

2024-10-16 05:22

Sample ID 240730-gmcz9svbpm
Target fb1c77eff29c29fe64f0aa8ca87ac917f2221e01624d31b69befca5b11114b3b
SHA256 fb1c77eff29c29fe64f0aa8ca87ac917f2221e01624d31b69befca5b11114b3b
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

fb1c77eff29c29fe64f0aa8ca87ac917f2221e01624d31b69befca5b11114b3b

Threat Level: Known bad

The file fb1c77eff29c29fe64f0aa8ca87ac917f2221e01624d31b69befca5b11114b3b 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 05:54

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 05:54

Reported

2024-07-30 05:58

Platform

win7-20240708-en

Max time kernel

142s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fb1c77eff29c29fe64f0aa8ca87ac917f2221e01624d31b69befca5b11114b3b.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\fb1c77eff29c29fe64f0aa8ca87ac917f2221e01624d31b69befca5b11114b3b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fb1c77eff29c29fe64f0aa8ca87ac917f2221e01624d31b69befca5b11114b3b.exe

"C:\Users\Admin\AppData\Local\Temp\fb1c77eff29c29fe64f0aa8ca87ac917f2221e01624d31b69befca5b11114b3b.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/2644-0-0x0000000000220000-0x0000000000267000-memory.dmp

memory/2644-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2644-2-0x0000000000350000-0x0000000000383000-memory.dmp

memory/2644-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-30 05:54

Reported

2024-07-30 05:57

Platform

win10v2004-20240709-en

Max time kernel

142s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fb1c77eff29c29fe64f0aa8ca87ac917f2221e01624d31b69befca5b11114b3b.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\fb1c77eff29c29fe64f0aa8ca87ac917f2221e01624d31b69befca5b11114b3b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fb1c77eff29c29fe64f0aa8ca87ac917f2221e01624d31b69befca5b11114b3b.exe

"C:\Users\Admin\AppData\Local\Temp\fb1c77eff29c29fe64f0aa8ca87ac917f2221e01624d31b69befca5b11114b3b.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 23.236.111.52.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 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/4508-0-0x0000000000710000-0x0000000000757000-memory.dmp

memory/4508-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4508-2-0x0000000000760000-0x0000000000793000-memory.dmp

memory/4508-3-0x0000000000400000-0x000000000045F000-memory.dmp