Malware Analysis Report

2024-10-16 05:21

Sample ID 240729-r8kx4sxfnd
Target 3d5a84397f55a4408836791ebbbfd283fbe9a17f7d86da9f56235f108813410a
SHA256 3d5a84397f55a4408836791ebbbfd283fbe9a17f7d86da9f56235f108813410a
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

3d5a84397f55a4408836791ebbbfd283fbe9a17f7d86da9f56235f108813410a

Threat Level: Known bad

The file 3d5a84397f55a4408836791ebbbfd283fbe9a17f7d86da9f56235f108813410a 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

2024-07-29 14:51

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

2024-07-29 14:51

Reported

2024-07-29 14:55

Platform

win10v2004-20240709-en

Max time kernel

141s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3d5a84397f55a4408836791ebbbfd283fbe9a17f7d86da9f56235f108813410a.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\3d5a84397f55a4408836791ebbbfd283fbe9a17f7d86da9f56235f108813410a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3d5a84397f55a4408836791ebbbfd283fbe9a17f7d86da9f56235f108813410a.exe

"C:\Users\Admin\AppData\Local\Temp\3d5a84397f55a4408836791ebbbfd283fbe9a17f7d86da9f56235f108813410a.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
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
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
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
IE 52.111.236.23:443 tcp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

memory/1964-0-0x00000000021B0000-0x00000000021F7000-memory.dmp

memory/1964-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1964-2-0x0000000002360000-0x0000000002393000-memory.dmp

memory/1964-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-29 14:51

Reported

2024-07-29 14:55

Platform

win7-20240708-en

Max time kernel

141s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3d5a84397f55a4408836791ebbbfd283fbe9a17f7d86da9f56235f108813410a.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\3d5a84397f55a4408836791ebbbfd283fbe9a17f7d86da9f56235f108813410a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3d5a84397f55a4408836791ebbbfd283fbe9a17f7d86da9f56235f108813410a.exe

"C:\Users\Admin\AppData\Local\Temp\3d5a84397f55a4408836791ebbbfd283fbe9a17f7d86da9f56235f108813410a.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/3044-0-0x0000000000220000-0x0000000000267000-memory.dmp

memory/3044-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/3044-2-0x0000000000370000-0x00000000003A3000-memory.dmp

memory/3044-3-0x0000000000400000-0x000000000045F000-memory.dmp