Malware Analysis Report

2024-10-16 05:22

Sample ID 240729-n1k2csxclj
Target b976c15513f3433db0a9aec27d84d5814a174c09e58f79c661de10b9e8ca2b86
SHA256 b976c15513f3433db0a9aec27d84d5814a174c09e58f79c661de10b9e8ca2b86
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

b976c15513f3433db0a9aec27d84d5814a174c09e58f79c661de10b9e8ca2b86

Threat Level: Known bad

The file b976c15513f3433db0a9aec27d84d5814a174c09e58f79c661de10b9e8ca2b86 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 11:51

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 11:51

Reported

2024-07-29 11:54

Platform

win7-20240705-en

Max time kernel

140s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b976c15513f3433db0a9aec27d84d5814a174c09e58f79c661de10b9e8ca2b86.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\b976c15513f3433db0a9aec27d84d5814a174c09e58f79c661de10b9e8ca2b86.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b976c15513f3433db0a9aec27d84d5814a174c09e58f79c661de10b9e8ca2b86.exe

"C:\Users\Admin\AppData\Local\Temp\b976c15513f3433db0a9aec27d84d5814a174c09e58f79c661de10b9e8ca2b86.exe"

Network

Country Destination Domain Proto
NL 5.39.222.84:80 tcp
NL 5.39.222.84:80 tcp
NL 5.39.222.84:80 tcp
NL 5.39.222.84:80 tcp

Files

memory/348-0-0x00000000002C0000-0x0000000000307000-memory.dmp

memory/348-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/348-2-0x0000000000370000-0x00000000003A3000-memory.dmp

memory/348-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 11:51

Reported

2024-07-29 11:54

Platform

win10v2004-20240709-en

Max time kernel

140s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b976c15513f3433db0a9aec27d84d5814a174c09e58f79c661de10b9e8ca2b86.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\b976c15513f3433db0a9aec27d84d5814a174c09e58f79c661de10b9e8ca2b86.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b976c15513f3433db0a9aec27d84d5814a174c09e58f79c661de10b9e8ca2b86.exe

"C:\Users\Admin\AppData\Local\Temp\b976c15513f3433db0a9aec27d84d5814a174c09e58f79c661de10b9e8ca2b86.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 17.53.126.40.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.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 8.8.8.8:53 240.221.184.93.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
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/4428-0-0x00000000021B0000-0x00000000021F7000-memory.dmp

memory/4428-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4428-2-0x0000000002250000-0x0000000002283000-memory.dmp

memory/4428-3-0x0000000000400000-0x000000000045F000-memory.dmp