Malware Analysis Report

2024-10-16 05:22

Sample ID 240729-ksktvazhlr
Target a038b506ced79e96de99c22984985d1c3e2e2e35eba50b057e077796781f25b5
SHA256 a038b506ced79e96de99c22984985d1c3e2e2e35eba50b057e077796781f25b5
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

a038b506ced79e96de99c22984985d1c3e2e2e35eba50b057e077796781f25b5

Threat Level: Known bad

The file a038b506ced79e96de99c22984985d1c3e2e2e35eba50b057e077796781f25b5 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 08:51

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

2024-07-29 08:51

Reported

2024-07-29 08:55

Platform

win7-20240705-en

Max time kernel

141s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a038b506ced79e96de99c22984985d1c3e2e2e35eba50b057e077796781f25b5.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\a038b506ced79e96de99c22984985d1c3e2e2e35eba50b057e077796781f25b5.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a038b506ced79e96de99c22984985d1c3e2e2e35eba50b057e077796781f25b5.exe

"C:\Users\Admin\AppData\Local\Temp\a038b506ced79e96de99c22984985d1c3e2e2e35eba50b057e077796781f25b5.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/548-3-0x0000000000400000-0x000000000045F000-memory.dmp

memory/548-2-0x0000000000300000-0x0000000000333000-memory.dmp

memory/548-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/548-0-0x0000000000220000-0x0000000000267000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 08:51

Reported

2024-07-29 08:55

Platform

win10v2004-20240709-en

Max time kernel

142s

Max time network

133s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a038b506ced79e96de99c22984985d1c3e2e2e35eba50b057e077796781f25b5.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\a038b506ced79e96de99c22984985d1c3e2e2e35eba50b057e077796781f25b5.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a038b506ced79e96de99c22984985d1c3e2e2e35eba50b057e077796781f25b5.exe

"C:\Users\Admin\AppData\Local\Temp\a038b506ced79e96de99c22984985d1c3e2e2e35eba50b057e077796781f25b5.exe"

Network

Country Destination Domain Proto
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
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
NL 5.39.222.87:80 tcp
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 43.58.199.20.in-addr.arpa udp
US 52.111.227.14:443 tcp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.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

Files

memory/4948-0-0x0000000000620000-0x0000000000667000-memory.dmp

memory/4948-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4948-2-0x0000000002360000-0x0000000002393000-memory.dmp

memory/4948-3-0x0000000000400000-0x000000000045F000-memory.dmp