Malware Analysis Report

2025-01-23 13:37

Sample ID 241209-dahhfatldk
Target bfc6272441d17d94341d09a95f244e7a7b6c04e895691c59c77a5c72ae49b0a1
SHA256 bfc6272441d17d94341d09a95f244e7a7b6c04e895691c59c77a5c72ae49b0a1
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

bfc6272441d17d94341d09a95f244e7a7b6c04e895691c59c77a5c72ae49b0a1

Threat Level: Known bad

The file bfc6272441d17d94341d09a95f244e7a7b6c04e895691c59c77a5c72ae49b0a1 was found to be: Known bad.

Malicious Activity Summary

cryptone packer cobaltstrike 1359593325 backdoor discovery trojan

Cobaltstrike family

Cobaltstrike

CryptOne packer

System Location Discovery: System Language Discovery

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-09 02:48

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

2024-12-09 02:48

Reported

2024-12-09 02:50

Platform

win7-20240903-en

Max time kernel

140s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bfc6272441d17d94341d09a95f244e7a7b6c04e895691c59c77a5c72ae49b0a1.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Cobaltstrike family

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\bfc6272441d17d94341d09a95f244e7a7b6c04e895691c59c77a5c72ae49b0a1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bfc6272441d17d94341d09a95f244e7a7b6c04e895691c59c77a5c72ae49b0a1.exe

"C:\Users\Admin\AppData\Local\Temp\bfc6272441d17d94341d09a95f244e7a7b6c04e895691c59c77a5c72ae49b0a1.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/2736-0-0x0000000000220000-0x0000000000267000-memory.dmp

memory/2736-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2736-2-0x0000000000370000-0x00000000003A3000-memory.dmp

memory/2736-3-0x0000000000400000-0x000000000045F000-memory.dmp

memory/2736-5-0x0000000000400000-0x000000000044B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-09 02:48

Reported

2024-12-09 02:50

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bfc6272441d17d94341d09a95f244e7a7b6c04e895691c59c77a5c72ae49b0a1.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Cobaltstrike family

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\bfc6272441d17d94341d09a95f244e7a7b6c04e895691c59c77a5c72ae49b0a1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bfc6272441d17d94341d09a95f244e7a7b6c04e895691c59c77a5c72ae49b0a1.exe

"C:\Users\Admin\AppData\Local\Temp\bfc6272441d17d94341d09a95f244e7a7b6c04e895691c59c77a5c72ae49b0a1.exe"

Network

Country Destination Domain Proto
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 86.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/4836-0-0x0000000000600000-0x0000000000647000-memory.dmp

memory/4836-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4836-2-0x0000000002370000-0x00000000023A3000-memory.dmp

memory/4836-3-0x0000000000400000-0x000000000045F000-memory.dmp