Malware Analysis Report

2024-10-16 05:22

Sample ID 240729-wfktvsscjn
Target eb58c551960ebd9cb0cafdc0ff938ceca3a9c3f05dd2f3e1d7e56996dd18dbb0
SHA256 eb58c551960ebd9cb0cafdc0ff938ceca3a9c3f05dd2f3e1d7e56996dd18dbb0
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

eb58c551960ebd9cb0cafdc0ff938ceca3a9c3f05dd2f3e1d7e56996dd18dbb0

Threat Level: Known bad

The file eb58c551960ebd9cb0cafdc0ff938ceca3a9c3f05dd2f3e1d7e56996dd18dbb0 was found to be: Known bad.

Malicious Activity Summary

cryptone packer cobaltstrike 1359593325 backdoor discovery trojan

Cobaltstrike

CryptOne packer

System Location Discovery: System Language Discovery

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-29 17:51

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 17:51

Reported

2024-07-29 17:54

Platform

win7-20240704-en

Max time kernel

140s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\eb58c551960ebd9cb0cafdc0ff938ceca3a9c3f05dd2f3e1d7e56996dd18dbb0.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\eb58c551960ebd9cb0cafdc0ff938ceca3a9c3f05dd2f3e1d7e56996dd18dbb0.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\eb58c551960ebd9cb0cafdc0ff938ceca3a9c3f05dd2f3e1d7e56996dd18dbb0.exe

"C:\Users\Admin\AppData\Local\Temp\eb58c551960ebd9cb0cafdc0ff938ceca3a9c3f05dd2f3e1d7e56996dd18dbb0.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/2680-0-0x0000000001BC0000-0x0000000001C07000-memory.dmp

memory/2680-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2680-2-0x0000000001D60000-0x0000000001D93000-memory.dmp

memory/2680-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 17:51

Reported

2024-07-29 17:54

Platform

win10v2004-20240729-en

Max time kernel

141s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\eb58c551960ebd9cb0cafdc0ff938ceca3a9c3f05dd2f3e1d7e56996dd18dbb0.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\eb58c551960ebd9cb0cafdc0ff938ceca3a9c3f05dd2f3e1d7e56996dd18dbb0.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\eb58c551960ebd9cb0cafdc0ff938ceca3a9c3f05dd2f3e1d7e56996dd18dbb0.exe

"C:\Users\Admin\AppData\Local\Temp\eb58c551960ebd9cb0cafdc0ff938ceca3a9c3f05dd2f3e1d7e56996dd18dbb0.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 23.177.190.20.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 57.169.31.20.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 23.236.111.52.in-addr.arpa udp

Files

memory/4476-0-0x00000000005B0000-0x00000000005F7000-memory.dmp

memory/4476-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4476-2-0x0000000002250000-0x0000000002283000-memory.dmp

memory/4476-3-0x0000000000400000-0x000000000045F000-memory.dmp