Malware Analysis Report

2024-12-07 02:02

Sample ID 241111-n8kesssmep
Target 5f9d714f5581acdfc5895328e3fe89918e77be5193d5ab3e37a245b4f5c602d2
SHA256 5f9d714f5581acdfc5895328e3fe89918e77be5193d5ab3e37a245b4f5c602d2
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

5f9d714f5581acdfc5895328e3fe89918e77be5193d5ab3e37a245b4f5c602d2

Threat Level: Shows suspicious behavior

The file 5f9d714f5581acdfc5895328e3fe89918e77be5193d5ab3e37a245b4f5c602d2 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit discovery persistence

Writes to the Master Boot Record (MBR)

System Location Discovery: System Language Discovery

Unsigned PE

Gathers network information

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 12:04

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 12:04

Reported

2024-11-11 12:06

Platform

win7-20241010-en

Max time kernel

13s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5f9d714f5581acdfc5895328e3fe89918e77be5193d5ab3e37a245b4f5c602d2.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\5f9d714f5581acdfc5895328e3fe89918e77be5193d5ab3e37a245b4f5c602d2.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
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
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\5f9d714f5581acdfc5895328e3fe89918e77be5193d5ab3e37a245b4f5c602d2.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\5f9d714f5581acdfc5895328e3fe89918e77be5193d5ab3e37a245b4f5c602d2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5f9d714f5581acdfc5895328e3fe89918e77be5193d5ab3e37a245b4f5c602d2.exe

"C:\Users\Admin\AppData\Local\Temp\5f9d714f5581acdfc5895328e3fe89918e77be5193d5ab3e37a245b4f5c602d2.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

2024-11-11 12:04

Reported

2024-11-11 12:06

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5f9d714f5581acdfc5895328e3fe89918e77be5193d5ab3e37a245b4f5c602d2.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\5f9d714f5581acdfc5895328e3fe89918e77be5193d5ab3e37a245b4f5c602d2.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\5f9d714f5581acdfc5895328e3fe89918e77be5193d5ab3e37a245b4f5c602d2.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\5f9d714f5581acdfc5895328e3fe89918e77be5193d5ab3e37a245b4f5c602d2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5f9d714f5581acdfc5895328e3fe89918e77be5193d5ab3e37a245b4f5c602d2.exe

"C:\Users\Admin\AppData\Local\Temp\5f9d714f5581acdfc5895328e3fe89918e77be5193d5ab3e37a245b4f5c602d2.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 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 75.209.201.84.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 8.8.8.8:53 112.165.60.38.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 101.208.201.84.in-addr.arpa udp
US 8.8.8.8:53 31.73.42.20.in-addr.arpa udp

Files

N/A