Malware Analysis Report

2024-10-16 05:21

Sample ID 240730-ksk5lsvhpn
Target dcbb57d8ecb5d5be22480c4414210e1224ae2c8f6cb8d517da8f34271ef3833e
SHA256 dcbb57d8ecb5d5be22480c4414210e1224ae2c8f6cb8d517da8f34271ef3833e
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

dcbb57d8ecb5d5be22480c4414210e1224ae2c8f6cb8d517da8f34271ef3833e

Threat Level: Known bad

The file dcbb57d8ecb5d5be22480c4414210e1224ae2c8f6cb8d517da8f34271ef3833e 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 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

2024-07-30 08:51

Reported

2024-07-30 08:54

Platform

win7-20240708-en

Max time kernel

140s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dcbb57d8ecb5d5be22480c4414210e1224ae2c8f6cb8d517da8f34271ef3833e.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\dcbb57d8ecb5d5be22480c4414210e1224ae2c8f6cb8d517da8f34271ef3833e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\dcbb57d8ecb5d5be22480c4414210e1224ae2c8f6cb8d517da8f34271ef3833e.exe

"C:\Users\Admin\AppData\Local\Temp\dcbb57d8ecb5d5be22480c4414210e1224ae2c8f6cb8d517da8f34271ef3833e.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/2596-0-0x0000000000460000-0x00000000004A7000-memory.dmp

memory/2596-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2596-2-0x0000000001D30000-0x0000000001D63000-memory.dmp

memory/2596-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-30 08:51

Reported

2024-07-30 08:54

Platform

win10v2004-20240709-en

Max time kernel

140s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dcbb57d8ecb5d5be22480c4414210e1224ae2c8f6cb8d517da8f34271ef3833e.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\dcbb57d8ecb5d5be22480c4414210e1224ae2c8f6cb8d517da8f34271ef3833e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\dcbb57d8ecb5d5be22480c4414210e1224ae2c8f6cb8d517da8f34271ef3833e.exe

"C:\Users\Admin\AppData\Local\Temp\dcbb57d8ecb5d5be22480c4414210e1224ae2c8f6cb8d517da8f34271ef3833e.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 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 10.28.171.150.in-addr.arpa udp

Files

memory/2836-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2836-0-0x00000000021E0000-0x0000000002227000-memory.dmp

memory/2836-2-0x0000000002380000-0x00000000023B3000-memory.dmp

memory/2836-3-0x0000000000400000-0x000000000045F000-memory.dmp