Malware Analysis Report

2024-11-13 18:06

Sample ID 241109-zhtfkavkhm
Target bb7d99844b3b116d8fda1333dacc9089f41f761ff9df4907bb13eb1c0f959f3a
SHA256 bb7d99844b3b116d8fda1333dacc9089f41f761ff9df4907bb13eb1c0f959f3a
Tags
bootkit discovery persistence
score
6/10

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
6/10

SHA256

bb7d99844b3b116d8fda1333dacc9089f41f761ff9df4907bb13eb1c0f959f3a

Threat Level: Shows suspicious behavior

The file bb7d99844b3b116d8fda1333dacc9089f41f761ff9df4907bb13eb1c0f959f3a was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit discovery persistence

Writes to the Master Boot Record (MBR)

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Gathers network information

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 20:43

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 20:43

Reported

2024-11-09 20:46

Platform

win7-20240903-en

Max time kernel

119s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bb7d99844b3b116d8fda1333dacc9089f41f761ff9df4907bb13eb1c0f959f3a.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\bb7d99844b3b116d8fda1333dacc9089f41f761ff9df4907bb13eb1c0f959f3a.exe N/A

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\bb7d99844b3b116d8fda1333dacc9089f41f761ff9df4907bb13eb1c0f959f3a.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\ipconfig.exe N/A

Gathers network information

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\ipconfig.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bb7d99844b3b116d8fda1333dacc9089f41f761ff9df4907bb13eb1c0f959f3a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bb7d99844b3b116d8fda1333dacc9089f41f761ff9df4907bb13eb1c0f959f3a.exe

"C:\Users\Admin\AppData\Local\Temp\bb7d99844b3b116d8fda1333dacc9089f41f761ff9df4907bb13eb1c0f959f3a.exe"

C:\Windows\SysWOW64\cmd.exe

cmd /c ipconfig/all

C:\Windows\SysWOW64\ipconfig.exe

ipconfig /all

Network

Country Destination Domain Proto
US 8.8.8.8:53 yz.qqqa.top udp
US 38.60.165.112:80 yz.qqqa.top tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 20:43

Reported

2024-11-09 20:46

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bb7d99844b3b116d8fda1333dacc9089f41f761ff9df4907bb13eb1c0f959f3a.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\bb7d99844b3b116d8fda1333dacc9089f41f761ff9df4907bb13eb1c0f959f3a.exe N/A

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\bb7d99844b3b116d8fda1333dacc9089f41f761ff9df4907bb13eb1c0f959f3a.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\ipconfig.exe N/A

Gathers network information

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\ipconfig.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bb7d99844b3b116d8fda1333dacc9089f41f761ff9df4907bb13eb1c0f959f3a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bb7d99844b3b116d8fda1333dacc9089f41f761ff9df4907bb13eb1c0f959f3a.exe

"C:\Users\Admin\AppData\Local\Temp\bb7d99844b3b116d8fda1333dacc9089f41f761ff9df4907bb13eb1c0f959f3a.exe"

C:\Windows\SysWOW64\cmd.exe

cmd /c ipconfig/all

C:\Windows\SysWOW64\ipconfig.exe

ipconfig /all

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 yz.qqqa.top udp
US 38.60.165.112:80 yz.qqqa.top tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 112.165.60.38.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 69.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

N/A