Malware Analysis Report

2024-10-16 05:21

Sample ID 240729-xhxf4syeqg
Target a1085d042ae9154eb2513ca64a352c91f09c4409086755c4a136b5616aa1f5fd
SHA256 a1085d042ae9154eb2513ca64a352c91f09c4409086755c4a136b5616aa1f5fd
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

a1085d042ae9154eb2513ca64a352c91f09c4409086755c4a136b5616aa1f5fd

Threat Level: Known bad

The file a1085d042ae9154eb2513ca64a352c91f09c4409086755c4a136b5616aa1f5fd 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 18:51

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 18:51

Reported

2024-07-29 18:54

Platform

win7-20240708-en

Max time kernel

141s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a1085d042ae9154eb2513ca64a352c91f09c4409086755c4a136b5616aa1f5fd.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\a1085d042ae9154eb2513ca64a352c91f09c4409086755c4a136b5616aa1f5fd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a1085d042ae9154eb2513ca64a352c91f09c4409086755c4a136b5616aa1f5fd.exe

"C:\Users\Admin\AppData\Local\Temp\a1085d042ae9154eb2513ca64a352c91f09c4409086755c4a136b5616aa1f5fd.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/540-0-0x0000000000220000-0x0000000000267000-memory.dmp

memory/540-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/540-2-0x0000000000350000-0x0000000000383000-memory.dmp

memory/540-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 18:51

Reported

2024-07-29 18:54

Platform

win10v2004-20240709-en

Max time kernel

142s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a1085d042ae9154eb2513ca64a352c91f09c4409086755c4a136b5616aa1f5fd.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\a1085d042ae9154eb2513ca64a352c91f09c4409086755c4a136b5616aa1f5fd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a1085d042ae9154eb2513ca64a352c91f09c4409086755c4a136b5616aa1f5fd.exe

"C:\Users\Admin\AppData\Local\Temp\a1085d042ae9154eb2513ca64a352c91f09c4409086755c4a136b5616aa1f5fd.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
NL 5.39.222.87:80 tcp
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 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 21.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.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 10.27.171.150.in-addr.arpa udp

Files

memory/2532-0-0x0000000002080000-0x00000000020C7000-memory.dmp

memory/2532-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2532-2-0x0000000002120000-0x0000000002153000-memory.dmp

memory/2532-3-0x0000000000400000-0x000000000045F000-memory.dmp