Malware Analysis Report

2024-10-18 22:51

Sample ID 221027-hchnfabcd2
Target 0d533321292f6854d7f9705a738d58ee5941c93b52674681083ec5c21a987ab1
SHA256 0d533321292f6854d7f9705a738d58ee5941c93b52674681083ec5c21a987ab1
Tags
zloader botnet persistence 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

0d533321292f6854d7f9705a738d58ee5941c93b52674681083ec5c21a987ab1

Threat Level: Known bad

The file 0d533321292f6854d7f9705a738d58ee5941c93b52674681083ec5c21a987ab1 was found to be: Known bad.

Malicious Activity Summary

zloader botnet persistence trojan

Zloader, Terdot, DELoader, ZeusSphinx

Blocklisted process makes network request

Adds Run key to start application

Suspicious use of SetThreadContext

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-10-27 06:35

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-27 06:35

Reported

2022-10-27 06:45

Platform

win7-20220901-en

Max time kernel

595s

Max time network

597s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\0d533321292f6854d7f9705a738d58ee5941c93b52674681083ec5c21a987ab1.dll,#1

Signatures

Zloader, Terdot, DELoader, ZeusSphinx

trojan botnet zloader

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Windows\SysWOW64\msiexec.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Figoahha = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Obcud\\fycuba.dll,DllRegisterServer" C:\Windows\SysWOW64\msiexec.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1156 set thread context of 680 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\msiexec.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1604 wrote to memory of 1156 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1604 wrote to memory of 1156 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1604 wrote to memory of 1156 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1604 wrote to memory of 1156 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1604 wrote to memory of 1156 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1604 wrote to memory of 1156 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1604 wrote to memory of 1156 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1156 wrote to memory of 680 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\msiexec.exe
PID 1156 wrote to memory of 680 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\msiexec.exe
PID 1156 wrote to memory of 680 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\msiexec.exe
PID 1156 wrote to memory of 680 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\msiexec.exe
PID 1156 wrote to memory of 680 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\msiexec.exe
PID 1156 wrote to memory of 680 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\msiexec.exe
PID 1156 wrote to memory of 680 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\msiexec.exe
PID 1156 wrote to memory of 680 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\msiexec.exe
PID 1156 wrote to memory of 680 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\msiexec.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\0d533321292f6854d7f9705a738d58ee5941c93b52674681083ec5c21a987ab1.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\0d533321292f6854d7f9705a738d58ee5941c93b52674681083ec5c21a987ab1.dll,#1

C:\Windows\SysWOW64\msiexec.exe

msiexec.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 axelerode.club udp
BE 35.205.61.67:443 axelerode.club tcp
BE 35.205.61.67:443 axelerode.club tcp
BE 35.205.61.67:443 axelerode.club tcp
BE 35.205.61.67:443 axelerode.club tcp
BE 35.205.61.67:443 axelerode.club tcp
US 8.8.8.8:53 axelerode.host udp
BE 35.205.61.67:443 axelerode.club tcp
BE 35.205.61.67:443 axelerode.club tcp
BE 35.205.61.67:443 axelerode.club tcp
BE 35.205.61.67:443 axelerode.club tcp
BE 35.205.61.67:443 axelerode.club tcp

Files

memory/1156-54-0x0000000000000000-mapping.dmp

memory/1156-55-0x0000000076461000-0x0000000076463000-memory.dmp

memory/1156-56-0x00000000020A0000-0x0000000002A10000-memory.dmp

memory/1156-58-0x00000000020A0000-0x00000000020CC000-memory.dmp

memory/1156-59-0x00000000020A0000-0x0000000002A10000-memory.dmp

memory/1156-60-0x00000000020A0000-0x0000000002A10000-memory.dmp

memory/1156-61-0x00000000020A0000-0x0000000002A10000-memory.dmp

memory/680-62-0x0000000000090000-0x00000000000BC000-memory.dmp

memory/680-64-0x0000000000090000-0x00000000000BC000-memory.dmp

memory/680-65-0x0000000000000000-mapping.dmp

memory/1156-67-0x00000000020A0000-0x0000000002A10000-memory.dmp

memory/680-68-0x0000000000090000-0x00000000000BC000-memory.dmp

memory/680-69-0x0000000000090000-0x00000000000BC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-10-27 06:35

Reported

2022-10-27 06:45

Platform

win10v2004-20220812-en

Max time kernel

500s

Max time network

503s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\0d533321292f6854d7f9705a738d58ee5941c93b52674681083ec5c21a987ab1.dll,#1

Signatures

Zloader, Terdot, DELoader, ZeusSphinx

trojan botnet zloader

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Windows\SysWOW64\msiexec.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Uhgaif = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Cedueb\\duicah.dll,DllRegisterServer" C:\Windows\SysWOW64\msiexec.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4968 set thread context of 2268 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\msiexec.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\0d533321292f6854d7f9705a738d58ee5941c93b52674681083ec5c21a987ab1.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\0d533321292f6854d7f9705a738d58ee5941c93b52674681083ec5c21a987ab1.dll,#1

C:\Windows\SysWOW64\msiexec.exe

msiexec.exe

Network

Country Destination Domain Proto
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
IE 13.69.239.72:443 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 axelerode.club udp
BE 35.205.61.67:443 axelerode.club tcp
BE 35.205.61.67:443 axelerode.club tcp
BE 35.205.61.67:443 axelerode.club tcp
BE 35.205.61.67:443 axelerode.club tcp
BE 35.205.61.67:443 axelerode.club tcp
US 8.8.8.8:53 axelerode.host udp
US 8.8.8.8:53 axelerode.host udp
US 8.8.8.8:53 axelerode.host udp
BE 35.205.61.67:443 axelerode.club tcp
BE 35.205.61.67:443 axelerode.club tcp
BE 35.205.61.67:443 axelerode.club tcp
BE 35.205.61.67:443 axelerode.club tcp
BE 35.205.61.67:443 axelerode.club tcp
US 8.8.8.8:53 axelerode.host udp
US 8.8.8.8:53 axelerode.host udp
US 8.8.8.8:53 axelerode.host udp

Files

memory/4968-132-0x0000000000000000-mapping.dmp

memory/4968-133-0x0000000002800000-0x0000000003170000-memory.dmp

memory/4968-135-0x0000000002800000-0x000000000282C000-memory.dmp

memory/4968-136-0x0000000002800000-0x0000000003170000-memory.dmp

memory/4968-137-0x0000000002800000-0x0000000003170000-memory.dmp

memory/4968-138-0x0000000002800000-0x0000000003170000-memory.dmp

memory/2268-139-0x0000000000000000-mapping.dmp

memory/2268-140-0x0000000000C90000-0x0000000000CBC000-memory.dmp

memory/4968-141-0x0000000002800000-0x0000000003170000-memory.dmp

memory/2268-142-0x0000000000C90000-0x0000000000CBC000-memory.dmp

memory/2268-143-0x0000000000C90000-0x0000000000CBC000-memory.dmp