Malware Analysis Report

2024-10-16 05:21

Sample ID 240730-a7xrvazaql
Target bc18bf11244d6a0b2991454e236e45297a06065f42fa937032b1a0fd9ccfa700
SHA256 bc18bf11244d6a0b2991454e236e45297a06065f42fa937032b1a0fd9ccfa700
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

bc18bf11244d6a0b2991454e236e45297a06065f42fa937032b1a0fd9ccfa700

Threat Level: Known bad

The file bc18bf11244d6a0b2991454e236e45297a06065f42fa937032b1a0fd9ccfa700 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 00:51

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 00:51

Reported

2024-07-30 00:54

Platform

win7-20240708-en

Max time kernel

140s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bc18bf11244d6a0b2991454e236e45297a06065f42fa937032b1a0fd9ccfa700.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\bc18bf11244d6a0b2991454e236e45297a06065f42fa937032b1a0fd9ccfa700.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bc18bf11244d6a0b2991454e236e45297a06065f42fa937032b1a0fd9ccfa700.exe

"C:\Users\Admin\AppData\Local\Temp\bc18bf11244d6a0b2991454e236e45297a06065f42fa937032b1a0fd9ccfa700.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/2584-0-0x00000000002B0000-0x00000000002F7000-memory.dmp

memory/2584-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2584-2-0x0000000000370000-0x00000000003A3000-memory.dmp

memory/2584-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-30 00:51

Reported

2024-07-30 00:54

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bc18bf11244d6a0b2991454e236e45297a06065f42fa937032b1a0fd9ccfa700.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\bc18bf11244d6a0b2991454e236e45297a06065f42fa937032b1a0fd9ccfa700.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bc18bf11244d6a0b2991454e236e45297a06065f42fa937032b1a0fd9ccfa700.exe

"C:\Users\Admin\AppData\Local\Temp\bc18bf11244d6a0b2991454e236e45297a06065f42fa937032b1a0fd9ccfa700.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 5.39.222.84:80 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 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 31.243.111.52.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 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 4.173.189.20.in-addr.arpa udp

Files

memory/4408-0-0x00000000004F0000-0x0000000000537000-memory.dmp

memory/4408-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4408-2-0x0000000002100000-0x0000000002133000-memory.dmp

memory/4408-3-0x0000000000400000-0x000000000045F000-memory.dmp