Malware Analysis Report

2024-10-16 05:22

Sample ID 240729-ksktvazhmj
Target c5d880221cf515420a3f55a3988f703a6770fc77107935bf838bada587ab146d
SHA256 c5d880221cf515420a3f55a3988f703a6770fc77107935bf838bada587ab146d
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

c5d880221cf515420a3f55a3988f703a6770fc77107935bf838bada587ab146d

Threat Level: Known bad

The file c5d880221cf515420a3f55a3988f703a6770fc77107935bf838bada587ab146d 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 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 08:56

Platform

win7-20240708-en

Max time kernel

141s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c5d880221cf515420a3f55a3988f703a6770fc77107935bf838bada587ab146d.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\c5d880221cf515420a3f55a3988f703a6770fc77107935bf838bada587ab146d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c5d880221cf515420a3f55a3988f703a6770fc77107935bf838bada587ab146d.exe

"C:\Users\Admin\AppData\Local\Temp\c5d880221cf515420a3f55a3988f703a6770fc77107935bf838bada587ab146d.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/1048-0-0x0000000000460000-0x00000000004A7000-memory.dmp

memory/1048-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1048-2-0x0000000001D50000-0x0000000001D83000-memory.dmp

memory/1048-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 08:51

Reported

2024-07-29 08:56

Platform

win10v2004-20240709-en

Max time kernel

144s

Max time network

134s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c5d880221cf515420a3f55a3988f703a6770fc77107935bf838bada587ab146d.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\c5d880221cf515420a3f55a3988f703a6770fc77107935bf838bada587ab146d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c5d880221cf515420a3f55a3988f703a6770fc77107935bf838bada587ab146d.exe

"C:\Users\Admin\AppData\Local\Temp\c5d880221cf515420a3f55a3988f703a6770fc77107935bf838bada587ab146d.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
NL 5.39.222.87:80 tcp
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 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
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 10.27.171.150.in-addr.arpa udp

Files

memory/2440-0-0x00000000021B0000-0x00000000021F7000-memory.dmp

memory/2440-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2440-2-0x0000000002360000-0x0000000002393000-memory.dmp

memory/2440-3-0x0000000000400000-0x000000000045F000-memory.dmp

memory/2440-6-0x0000000000400000-0x000000000044B000-memory.dmp