Malware Analysis Report

2024-10-16 05:21

Sample ID 240730-mx9d4s1hjb
Target b3159898fa8024835e989096145f6b3bf00edb65d92c1cbc4019bc91e4a1a8fe
SHA256 b3159898fa8024835e989096145f6b3bf00edb65d92c1cbc4019bc91e4a1a8fe
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

b3159898fa8024835e989096145f6b3bf00edb65d92c1cbc4019bc91e4a1a8fe

Threat Level: Known bad

The file b3159898fa8024835e989096145f6b3bf00edb65d92c1cbc4019bc91e4a1a8fe was found to be: Known bad.

Malicious Activity Summary

cryptone packer cobaltstrike 1359593325 backdoor discovery trojan

Cobaltstrike

CryptOne packer

Unsigned PE

System Location Discovery: System Language Discovery

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-30 10:51

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 10:51

Reported

2024-07-30 10:54

Platform

win7-20240708-en

Max time kernel

142s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b3159898fa8024835e989096145f6b3bf00edb65d92c1cbc4019bc91e4a1a8fe.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\b3159898fa8024835e989096145f6b3bf00edb65d92c1cbc4019bc91e4a1a8fe.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b3159898fa8024835e989096145f6b3bf00edb65d92c1cbc4019bc91e4a1a8fe.exe

"C:\Users\Admin\AppData\Local\Temp\b3159898fa8024835e989096145f6b3bf00edb65d92c1cbc4019bc91e4a1a8fe.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/464-0-0x0000000000220000-0x0000000000267000-memory.dmp

memory/464-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/464-2-0x00000000002C0000-0x00000000002F3000-memory.dmp

memory/464-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-30 10:51

Reported

2024-07-30 10:54

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b3159898fa8024835e989096145f6b3bf00edb65d92c1cbc4019bc91e4a1a8fe.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\b3159898fa8024835e989096145f6b3bf00edb65d92c1cbc4019bc91e4a1a8fe.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b3159898fa8024835e989096145f6b3bf00edb65d92c1cbc4019bc91e4a1a8fe.exe

"C:\Users\Admin\AppData\Local\Temp\b3159898fa8024835e989096145f6b3bf00edb65d92c1cbc4019bc91e4a1a8fe.exe"

Network

Country Destination Domain Proto
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.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 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 99.58.20.217.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 26.73.42.20.in-addr.arpa udp

Files

memory/2648-0-0x0000000000700000-0x0000000000747000-memory.dmp

memory/2648-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2648-2-0x0000000002250000-0x0000000002283000-memory.dmp

memory/2648-3-0x0000000000400000-0x000000000045F000-memory.dmp