Malware Analysis Report

2024-10-16 05:21

Sample ID 240730-caal6asalj
Target e35c21e34ca924704d49a32e61bbb2300c7de96408858b276297d12567a9c1df
SHA256 e35c21e34ca924704d49a32e61bbb2300c7de96408858b276297d12567a9c1df
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: 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

e35c21e34ca924704d49a32e61bbb2300c7de96408858b276297d12567a9c1df

Threat Level: Known bad

The file e35c21e34ca924704d49a32e61bbb2300c7de96408858b276297d12567a9c1df was found to be: Known bad.

Malicious Activity Summary

cobaltstrike 1359593325 backdoor discovery trojan cryptone packer

Cobaltstrike

CryptOne packer

Unsigned PE

System Location Discovery: System Language Discovery

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-30 01:51

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 01:51

Reported

2024-07-30 01:54

Platform

win7-20240704-en

Max time kernel

140s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e35c21e34ca924704d49a32e61bbb2300c7de96408858b276297d12567a9c1df.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\e35c21e34ca924704d49a32e61bbb2300c7de96408858b276297d12567a9c1df.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e35c21e34ca924704d49a32e61bbb2300c7de96408858b276297d12567a9c1df.exe

"C:\Users\Admin\AppData\Local\Temp\e35c21e34ca924704d49a32e61bbb2300c7de96408858b276297d12567a9c1df.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/2468-0-0x00000000002B0000-0x00000000002F7000-memory.dmp

memory/2468-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2468-2-0x0000000000350000-0x0000000000383000-memory.dmp

memory/2468-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-30 01:51

Reported

2024-07-30 01:54

Platform

win10v2004-20240709-en

Max time kernel

142s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e35c21e34ca924704d49a32e61bbb2300c7de96408858b276297d12567a9c1df.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\e35c21e34ca924704d49a32e61bbb2300c7de96408858b276297d12567a9c1df.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e35c21e34ca924704d49a32e61bbb2300c7de96408858b276297d12567a9c1df.exe

"C:\Users\Admin\AppData\Local\Temp\e35c21e34ca924704d49a32e61bbb2300c7de96408858b276297d12567a9c1df.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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.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 14.227.111.52.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 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/1480-0-0x0000000000730000-0x0000000000777000-memory.dmp

memory/1480-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1480-2-0x00000000007E0000-0x0000000000813000-memory.dmp

memory/1480-3-0x0000000000400000-0x000000000045F000-memory.dmp