Malware Analysis Report

2024-10-16 05:21

Sample ID 240729-ynbbhasblc
Target 240e557704c0b0c85d86680e6111c0fd5c4b35993476ec474cb85e19ac8a6253
SHA256 240e557704c0b0c85d86680e6111c0fd5c4b35993476ec474cb85e19ac8a6253
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

240e557704c0b0c85d86680e6111c0fd5c4b35993476ec474cb85e19ac8a6253

Threat Level: Known bad

The file 240e557704c0b0c85d86680e6111c0fd5c4b35993476ec474cb85e19ac8a6253 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

2024-07-29 19:55

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

2024-07-29 19:55

Reported

2024-07-29 19:58

Platform

win7-20240704-en

Max time kernel

141s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\240e557704c0b0c85d86680e6111c0fd5c4b35993476ec474cb85e19ac8a6253.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\240e557704c0b0c85d86680e6111c0fd5c4b35993476ec474cb85e19ac8a6253.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\240e557704c0b0c85d86680e6111c0fd5c4b35993476ec474cb85e19ac8a6253.exe

"C:\Users\Admin\AppData\Local\Temp\240e557704c0b0c85d86680e6111c0fd5c4b35993476ec474cb85e19ac8a6253.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/2812-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2812-0-0x0000000000260000-0x00000000002A7000-memory.dmp

memory/2812-2-0x0000000000380000-0x00000000003B3000-memory.dmp

memory/2812-3-0x0000000000400000-0x000000000045F000-memory.dmp

memory/2812-6-0x0000000000400000-0x000000000044B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 19:55

Reported

2024-07-29 19:58

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\240e557704c0b0c85d86680e6111c0fd5c4b35993476ec474cb85e19ac8a6253.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\240e557704c0b0c85d86680e6111c0fd5c4b35993476ec474cb85e19ac8a6253.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\240e557704c0b0c85d86680e6111c0fd5c4b35993476ec474cb85e19ac8a6253.exe

"C:\Users\Admin\AppData\Local\Temp\240e557704c0b0c85d86680e6111c0fd5c4b35993476ec474cb85e19ac8a6253.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 44.56.20.217.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.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 8.8.8.8:53 214.80.50.20.in-addr.arpa udp

Files

memory/2700-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2700-0-0x00000000021A0000-0x00000000021E7000-memory.dmp

memory/2700-2-0x0000000002350000-0x0000000002383000-memory.dmp

memory/2700-3-0x0000000000400000-0x000000000045F000-memory.dmp