Malware Analysis Report

2024-10-16 05:21

Sample ID 240730-lvx3mawckp
Target b917c16c25eb85824c5737626302d783361cf24a56cb7c774cf7c1ca47141e7c
SHA256 b917c16c25eb85824c5737626302d783361cf24a56cb7c774cf7c1ca47141e7c
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

b917c16c25eb85824c5737626302d783361cf24a56cb7c774cf7c1ca47141e7c

Threat Level: Known bad

The file b917c16c25eb85824c5737626302d783361cf24a56cb7c774cf7c1ca47141e7c 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

2024-07-30 09:51

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 09:51

Reported

2024-07-30 09:54

Platform

win10v2004-20240709-en

Max time kernel

140s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b917c16c25eb85824c5737626302d783361cf24a56cb7c774cf7c1ca47141e7c.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\b917c16c25eb85824c5737626302d783361cf24a56cb7c774cf7c1ca47141e7c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b917c16c25eb85824c5737626302d783361cf24a56cb7c774cf7c1ca47141e7c.exe

"C:\Users\Admin\AppData\Local\Temp\b917c16c25eb85824c5737626302d783361cf24a56cb7c774cf7c1ca47141e7c.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 45.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.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 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

Files

memory/3176-0-0x0000000000600000-0x0000000000647000-memory.dmp

memory/3176-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/3176-2-0x0000000000650000-0x0000000000683000-memory.dmp

memory/3176-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-30 09:51

Reported

2024-07-30 09:54

Platform

win7-20240708-en

Max time kernel

142s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b917c16c25eb85824c5737626302d783361cf24a56cb7c774cf7c1ca47141e7c.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\b917c16c25eb85824c5737626302d783361cf24a56cb7c774cf7c1ca47141e7c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b917c16c25eb85824c5737626302d783361cf24a56cb7c774cf7c1ca47141e7c.exe

"C:\Users\Admin\AppData\Local\Temp\b917c16c25eb85824c5737626302d783361cf24a56cb7c774cf7c1ca47141e7c.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/2808-0-0x00000000002E0000-0x0000000000327000-memory.dmp

memory/2808-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2808-2-0x0000000000220000-0x0000000000253000-memory.dmp

memory/2808-3-0x0000000000400000-0x000000000045F000-memory.dmp