Malware Analysis Report

2024-10-16 05:21

Sample ID 240729-taw9lazeld
Target b3ddb8f7763f65edc6f3c4c1a4675c52d65efcbbb0f49d8dcc1a4886a8be8b66
SHA256 b3ddb8f7763f65edc6f3c4c1a4675c52d65efcbbb0f49d8dcc1a4886a8be8b66
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

b3ddb8f7763f65edc6f3c4c1a4675c52d65efcbbb0f49d8dcc1a4886a8be8b66

Threat Level: Known bad

The file b3ddb8f7763f65edc6f3c4c1a4675c52d65efcbbb0f49d8dcc1a4886a8be8b66 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 15:51

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 15:51

Reported

2024-07-29 15:54

Platform

win10v2004-20240704-en

Max time kernel

142s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b3ddb8f7763f65edc6f3c4c1a4675c52d65efcbbb0f49d8dcc1a4886a8be8b66.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\b3ddb8f7763f65edc6f3c4c1a4675c52d65efcbbb0f49d8dcc1a4886a8be8b66.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b3ddb8f7763f65edc6f3c4c1a4675c52d65efcbbb0f49d8dcc1a4886a8be8b66.exe

"C:\Users\Admin\AppData\Local\Temp\b3ddb8f7763f65edc6f3c4c1a4675c52d65efcbbb0f49d8dcc1a4886a8be8b66.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 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
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 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 22.236.111.52.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 55.36.223.20.in-addr.arpa udp

Files

memory/4660-0-0x00000000020C0000-0x0000000002107000-memory.dmp

memory/4660-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4660-2-0x0000000002260000-0x0000000002293000-memory.dmp

memory/4660-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-29 15:51

Reported

2024-07-29 15:54

Platform

win7-20240704-en

Max time kernel

142s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b3ddb8f7763f65edc6f3c4c1a4675c52d65efcbbb0f49d8dcc1a4886a8be8b66.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\b3ddb8f7763f65edc6f3c4c1a4675c52d65efcbbb0f49d8dcc1a4886a8be8b66.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b3ddb8f7763f65edc6f3c4c1a4675c52d65efcbbb0f49d8dcc1a4886a8be8b66.exe

"C:\Users\Admin\AppData\Local\Temp\b3ddb8f7763f65edc6f3c4c1a4675c52d65efcbbb0f49d8dcc1a4886a8be8b66.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/924-0-0x00000000002D0000-0x0000000000317000-memory.dmp

memory/924-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/924-2-0x0000000000370000-0x00000000003A3000-memory.dmp

memory/924-3-0x0000000000400000-0x000000000045F000-memory.dmp