Malware Analysis Report

2024-12-07 01:57

Sample ID 241111-p5jvjazdkh
Target MDE_File_Sample_40a8f1c4f9645120a31a4c1fd468c150d281c44f.zip
SHA256 10ae2fa5c66068ac2c5b81277f65a0895d6cf7a7f187409010bb8c386e90769e
Tags
bootkit discovery persistence spyware stealer
score
7/10

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
7/10

SHA256

10ae2fa5c66068ac2c5b81277f65a0895d6cf7a7f187409010bb8c386e90769e

Threat Level: Shows suspicious behavior

The file MDE_File_Sample_40a8f1c4f9645120a31a4c1fd468c150d281c44f.zip was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit discovery persistence spyware stealer

Reads user/profile data of web browsers

Writes to the Master Boot Record (MBR)

Program crash

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Modifies Internet Explorer settings

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 12:54

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 12:54

Reported

2024-11-11 12:57

Platform

win7-20240903-en

Max time kernel

122s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ziprar (1).exe"

Signatures

Reads user/profile data of web browsers

spyware stealer

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\ziprar (1).exe N/A

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\ziprar (1).exe

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\ziprar (1).exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\ziprar (1).exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ziprar (1).exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ziprar (1).exe

"C:\Users\Admin\AppData\Local\Temp\ziprar (1).exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 2432

Network

Country Destination Domain Proto
US 8.8.8.8:53 start.searcharchiver.com udp
US 104.18.28.55:443 start.searcharchiver.com tcp
US 104.18.28.55:80 start.searcharchiver.com tcp

Files

memory/2080-0-0x000000007436E000-0x000000007436F000-memory.dmp

memory/2080-1-0x00000000012B0000-0x000000000196E000-memory.dmp

memory/2080-2-0x0000000004EC0000-0x0000000004F70000-memory.dmp

memory/2080-3-0x0000000074360000-0x0000000074A4E000-memory.dmp

memory/2080-5-0x0000000074360000-0x0000000074A4E000-memory.dmp

memory/2080-8-0x000000007436E000-0x000000007436F000-memory.dmp

memory/2080-9-0x0000000074360000-0x0000000074A4E000-memory.dmp

memory/2080-10-0x0000000074360000-0x0000000074A4E000-memory.dmp

memory/2080-11-0x0000000074360000-0x0000000074A4E000-memory.dmp

memory/2080-12-0x0000000074360000-0x0000000074A4E000-memory.dmp

memory/2080-13-0x0000000074360000-0x0000000074A4E000-memory.dmp

memory/2080-14-0x000000000CAF0000-0x000000000D296000-memory.dmp

memory/2080-24-0x0000000074360000-0x0000000074A4E000-memory.dmp

memory/2080-25-0x0000000074360000-0x0000000074A4E000-memory.dmp

memory/2080-26-0x0000000074360000-0x0000000074A4E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 12:54

Reported

2024-11-11 12:57

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ziprar (1).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\ziprar (1).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\ziprar (1).exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ziprar (1).exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ziprar (1).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ziprar (1).exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ziprar (1).exe

"C:\Users\Admin\AppData\Local\Temp\ziprar (1).exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 start.searcharchiver.com udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 104.18.29.55:443 start.searcharchiver.com tcp
US 104.18.29.55:80 start.searcharchiver.com tcp
US 8.8.8.8:53 55.29.18.104.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/3504-0-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

memory/3504-1-0x0000000000940000-0x0000000000FFE000-memory.dmp

memory/3504-2-0x0000000006040000-0x00000000065E4000-memory.dmp

memory/3504-3-0x0000000005A90000-0x0000000005B22000-memory.dmp

memory/3504-4-0x0000000005970000-0x0000000005A20000-memory.dmp

memory/3504-6-0x0000000005BA0000-0x0000000005C06000-memory.dmp

memory/3504-7-0x0000000074DB0000-0x0000000075560000-memory.dmp

memory/3504-8-0x0000000074DB0000-0x0000000075560000-memory.dmp

memory/3504-9-0x0000000006B50000-0x0000000006B5A000-memory.dmp

memory/3504-12-0x0000000007B60000-0x0000000007B82000-memory.dmp

memory/3504-13-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

memory/3504-14-0x0000000074DB0000-0x0000000075560000-memory.dmp

memory/3504-15-0x0000000074DB0000-0x0000000075560000-memory.dmp

memory/3504-16-0x0000000074DB0000-0x0000000075560000-memory.dmp

memory/3504-17-0x0000000074DB0000-0x0000000075560000-memory.dmp

memory/3504-18-0x000000000D280000-0x000000000DA26000-memory.dmp

memory/3504-19-0x0000000074DB0000-0x0000000075560000-memory.dmp