Malware Analysis Report

2024-11-15 09:20

Sample ID 220426-b16a3segek
Target 2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe
SHA256 2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19
Tags
cn32mx blacknet persistence suricata trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19

Threat Level: Known bad

The file 2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe was found to be: Known bad.

Malicious Activity Summary

cn32mx blacknet persistence suricata trojan

Blacknet family

Contains code to disable Windows Defender

suricata: ET MALWARE Win32/BlackNET CnC Keep-Alive

BlackNET Payload

BlackNET

Adds Run key to start application

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-04-26 01:37

Signatures

BlackNET Payload

Description Indicator Process Target
N/A N/A N/A N/A

Blacknet family

blacknet

Contains code to disable Windows Defender

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-04-26 01:37

Reported

2022-04-26 01:47

Platform

win7-20220414-en

Max time kernel

139s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe"

Signatures

BlackNET

trojan blacknet

BlackNET Payload

Description Indicator Process Target
N/A N/A N/A N/A

Contains code to disable Windows Defender

Description Indicator Process Target
N/A N/A N/A N/A

suricata: ET MALWARE Win32/BlackNET CnC Keep-Alive

suricata

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\e162b1333458a713bc6916cc8ac4110c = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe" C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe

"C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 theblogreader-blog.wtf udp
CA 172.105.27.61:80 theblogreader-blog.wtf tcp
CA 172.105.27.61:80 theblogreader-blog.wtf tcp
US 8.8.8.8:53 theblogreader-blog.wtf udp
CA 172.105.27.61:80 theblogreader-blog.wtf tcp

Files

memory/1748-54-0x00000000011F0000-0x0000000001212000-memory.dmp

memory/1748-55-0x000000001B210000-0x000000001B212000-memory.dmp

memory/1748-56-0x000000001B219000-0x000000001B238000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-04-26 01:37

Reported

2022-04-26 01:47

Platform

win10v2004-20220414-en

Max time kernel

116s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe"

Signatures

BlackNET

trojan blacknet

BlackNET Payload

Description Indicator Process Target
N/A N/A N/A N/A

Contains code to disable Windows Defender

Description Indicator Process Target
N/A N/A N/A N/A

suricata: ET MALWARE Win32/BlackNET CnC Keep-Alive

suricata

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe

"C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe"

Network

Country Destination Domain Proto
US 8.247.211.126:80 tcp
US 8.247.211.126:80 tcp
US 8.8.8.8:53 theblogreader-blog.wtf udp
CA 172.105.27.61:80 theblogreader-blog.wtf tcp
US 52.242.97.97:443 tcp
US 93.184.220.29:80 tcp
GB 51.104.15.253:443 tcp
US 8.8.8.8:53 151.122.125.40.in-addr.arpa udp
US 8.247.211.126:80 tcp
US 8.247.211.126:80 tcp
US 8.247.211.126:80 tcp
US 93.184.220.29:80 tcp
CA 172.105.27.61:80 theblogreader-blog.wtf tcp

Files

memory/3508-130-0x0000000000760000-0x0000000000782000-memory.dmp

memory/3508-131-0x00007FFDC6B90000-0x00007FFDC7651000-memory.dmp

memory/3508-132-0x000000001C180000-0x000000001C182000-memory.dmp