Malware Analysis Report

2024-10-18 22:55

Sample ID 220524-2t3vgsagg9
Target 8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974
SHA256 8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974
Tags
zloader new new 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

8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974

Threat Level: Known bad

The file 8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974 was found to be: Known bad.

Malicious Activity Summary

zloader new new botnet persistence trojan

Zloader, Terdot, DELoader, ZeusSphinx

Adds Run key to start application

Suspicious use of SetThreadContext

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-05-24 22:53

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-24 22:53

Reported

2022-05-24 23:01

Platform

win7-20220414-en

Max time kernel

139s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe"

Signatures

Zloader, Terdot, DELoader, ZeusSphinx

trojan botnet zloader

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Windows\SysWOW64\msiexec.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\Qaxoo = "C:\\Users\\Admin\\AppData\\Roaming\\Sibua\\puveo.exe" C:\Windows\SysWOW64\msiexec.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1096 set thread context of 1252 N/A C:\Users\Admin\AppData\Local\Temp\8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.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 1096 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe C:\Windows\SysWOW64\msiexec.exe
PID 1096 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe C:\Windows\SysWOW64\msiexec.exe
PID 1096 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe C:\Windows\SysWOW64\msiexec.exe
PID 1096 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe C:\Windows\SysWOW64\msiexec.exe
PID 1096 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe C:\Windows\SysWOW64\msiexec.exe
PID 1096 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe C:\Windows\SysWOW64\msiexec.exe
PID 1096 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe C:\Windows\SysWOW64\msiexec.exe
PID 1096 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe C:\Windows\SysWOW64\msiexec.exe
PID 1096 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe C:\Windows\SysWOW64\msiexec.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe

"C:\Users\Admin\AppData\Local\Temp\8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe"

C:\Windows\SysWOW64\msiexec.exe

msiexec.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 sfturedfyr.xyz udp

Files

memory/1096-54-0x0000000075B71000-0x0000000075B73000-memory.dmp

memory/1096-56-0x0000000000400000-0x000000000050B000-memory.dmp

memory/1096-55-0x0000000000220000-0x0000000000249000-memory.dmp

memory/1252-57-0x0000000000090000-0x00000000000BC000-memory.dmp

memory/1252-60-0x0000000000000000-mapping.dmp

memory/1252-59-0x0000000000090000-0x00000000000BC000-memory.dmp

memory/1252-62-0x0000000000090000-0x00000000000BC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-24 22:53

Reported

2022-05-24 23:01

Platform

win10v2004-20220414-en

Max time kernel

138s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe"

Signatures

Zloader, Terdot, DELoader, ZeusSphinx

trojan botnet zloader

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Huvo = "C:\\Users\\Admin\\AppData\\Roaming\\Qytyr\\ugixhi.exe" C:\Windows\SysWOW64\msiexec.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Windows\SysWOW64\msiexec.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3892 set thread context of 3956 N/A C:\Users\Admin\AppData\Local\Temp\8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.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:\Users\Admin\AppData\Local\Temp\8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe

"C:\Users\Admin\AppData\Local\Temp\8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe"

C:\Windows\SysWOW64\msiexec.exe

msiexec.exe

Network

Country Destination Domain Proto
US 40.125.122.176:443 tcp
NL 8.238.24.126:80 tcp
NL 8.238.24.126:80 tcp
US 8.8.8.8:53 udp
US 52.191.219.104:443 tcp
US 52.191.219.104:443 tcp
US 40.125.122.176:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 40.125.122.151:443 tcp
US 8.8.8.8:53 sfturedfyr.xyz udp
US 52.109.12.18:443 tcp
IE 52.109.76.31:443 tcp
US 8.8.8.8:53 sfturedfyr.xyz udp
US 8.8.8.8:53 97.97.242.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/3892-130-0x00000000006A0000-0x00000000006C9000-memory.dmp

memory/3892-131-0x0000000000400000-0x000000000050B000-memory.dmp

memory/3956-133-0x0000000000ED0000-0x0000000000EFC000-memory.dmp

memory/3956-132-0x0000000000000000-mapping.dmp

memory/3956-134-0x0000000000ED0000-0x0000000000EFC000-memory.dmp