Malware Analysis Report

2024-10-16 05:21

Sample ID 240729-3yb31a1gkh
Target 5f94f1cff0feea9554a94c0759bf7940128c986e870da7b8c38932d612b5580d
SHA256 5f94f1cff0feea9554a94c0759bf7940128c986e870da7b8c38932d612b5580d
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

5f94f1cff0feea9554a94c0759bf7940128c986e870da7b8c38932d612b5580d

Threat Level: Known bad

The file 5f94f1cff0feea9554a94c0759bf7940128c986e870da7b8c38932d612b5580d 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

2024-07-29 23:54

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 23:54

Reported

2024-07-29 23:57

Platform

win7-20240704-en

Max time kernel

142s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5f94f1cff0feea9554a94c0759bf7940128c986e870da7b8c38932d612b5580d.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\5f94f1cff0feea9554a94c0759bf7940128c986e870da7b8c38932d612b5580d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5f94f1cff0feea9554a94c0759bf7940128c986e870da7b8c38932d612b5580d.exe

"C:\Users\Admin\AppData\Local\Temp\5f94f1cff0feea9554a94c0759bf7940128c986e870da7b8c38932d612b5580d.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/2452-0-0x0000000000220000-0x0000000000267000-memory.dmp

memory/2452-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2452-2-0x0000000000270000-0x00000000002A3000-memory.dmp

memory/2452-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 23:54

Reported

2024-07-29 23:57

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5f94f1cff0feea9554a94c0759bf7940128c986e870da7b8c38932d612b5580d.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\5f94f1cff0feea9554a94c0759bf7940128c986e870da7b8c38932d612b5580d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5f94f1cff0feea9554a94c0759bf7940128c986e870da7b8c38932d612b5580d.exe

"C:\Users\Admin\AppData\Local\Temp\5f94f1cff0feea9554a94c0759bf7940128c986e870da7b8c38932d612b5580d.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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
NL 5.39.222.84:80 tcp

Files

memory/2000-0-0x00000000021E0000-0x0000000002227000-memory.dmp

memory/2000-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2000-3-0x0000000000400000-0x000000000045F000-memory.dmp

memory/2000-2-0x0000000000600000-0x0000000000633000-memory.dmp