Malware Analysis Report

2024-10-16 05:22

Sample ID 240728-ldhxdasgma
Target b38e8f6ee14876c5337b1aab79588bcd6c0c648d5686bc80f1ce0162fe76e19c
SHA256 b38e8f6ee14876c5337b1aab79588bcd6c0c648d5686bc80f1ce0162fe76e19c
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

b38e8f6ee14876c5337b1aab79588bcd6c0c648d5686bc80f1ce0162fe76e19c

Threat Level: Known bad

The file b38e8f6ee14876c5337b1aab79588bcd6c0c648d5686bc80f1ce0162fe76e19c 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

2024-07-28 09:24

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

2024-07-28 09:24

Reported

2024-07-28 09:30

Platform

win7-20240705-en

Max time kernel

141s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b38e8f6ee14876c5337b1aab79588bcd6c0c648d5686bc80f1ce0162fe76e19c.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\b38e8f6ee14876c5337b1aab79588bcd6c0c648d5686bc80f1ce0162fe76e19c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b38e8f6ee14876c5337b1aab79588bcd6c0c648d5686bc80f1ce0162fe76e19c.exe

"C:\Users\Admin\AppData\Local\Temp\b38e8f6ee14876c5337b1aab79588bcd6c0c648d5686bc80f1ce0162fe76e19c.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/2936-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2936-0-0x0000000000220000-0x0000000000267000-memory.dmp

memory/2936-2-0x0000000000370000-0x00000000003A3000-memory.dmp

memory/2936-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-28 09:24

Reported

2024-07-28 09:30

Platform

win10v2004-20240709-en

Max time kernel

144s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b38e8f6ee14876c5337b1aab79588bcd6c0c648d5686bc80f1ce0162fe76e19c.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\b38e8f6ee14876c5337b1aab79588bcd6c0c648d5686bc80f1ce0162fe76e19c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b38e8f6ee14876c5337b1aab79588bcd6c0c648d5686bc80f1ce0162fe76e19c.exe

"C:\Users\Admin\AppData\Local\Temp\b38e8f6ee14876c5337b1aab79588bcd6c0c648d5686bc80f1ce0162fe76e19c.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
NL 5.39.222.84:80 tcp
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 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/4932-0-0x00000000021D0000-0x0000000002217000-memory.dmp

memory/4932-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4932-2-0x00000000023A0000-0x00000000023D3000-memory.dmp

memory/4932-3-0x0000000000400000-0x000000000045F000-memory.dmp