Malware Analysis Report

2024-10-16 05:21

Sample ID 240730-a9zn8atgla
Target fcd8440a620259c577cbbc8f07943d42b0a574c3152238141317632683a734fc
SHA256 fcd8440a620259c577cbbc8f07943d42b0a574c3152238141317632683a734fc
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

fcd8440a620259c577cbbc8f07943d42b0a574c3152238141317632683a734fc

Threat Level: Known bad

The file fcd8440a620259c577cbbc8f07943d42b0a574c3152238141317632683a734fc 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 00:55

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 00:55

Reported

2024-07-30 00:58

Platform

win7-20240708-en

Max time kernel

140s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fcd8440a620259c577cbbc8f07943d42b0a574c3152238141317632683a734fc.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\fcd8440a620259c577cbbc8f07943d42b0a574c3152238141317632683a734fc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fcd8440a620259c577cbbc8f07943d42b0a574c3152238141317632683a734fc.exe

"C:\Users\Admin\AppData\Local\Temp\fcd8440a620259c577cbbc8f07943d42b0a574c3152238141317632683a734fc.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/2360-0-0x0000000000270000-0x00000000002B7000-memory.dmp

memory/2360-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2360-2-0x0000000000220000-0x0000000000253000-memory.dmp

memory/2360-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-30 00:55

Reported

2024-07-30 00:58

Platform

win10v2004-20240709-en

Max time kernel

142s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fcd8440a620259c577cbbc8f07943d42b0a574c3152238141317632683a734fc.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\fcd8440a620259c577cbbc8f07943d42b0a574c3152238141317632683a734fc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fcd8440a620259c577cbbc8f07943d42b0a574c3152238141317632683a734fc.exe

"C:\Users\Admin\AppData\Local\Temp\fcd8440a620259c577cbbc8f07943d42b0a574c3152238141317632683a734fc.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 25.140.123.92.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa 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

Files

memory/1344-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1344-0-0x00000000021B0000-0x00000000021F7000-memory.dmp

memory/1344-2-0x0000000002380000-0x00000000023B3000-memory.dmp

memory/1344-3-0x0000000000400000-0x000000000045F000-memory.dmp