Malware Analysis Report

2024-10-19 02:56

Sample ID 241013-w4zypa1dpb
Target 7a21ac421ac431d03661d7174979e5779dec4af541e266f0ea26a19464724ba1N
SHA256 7a21ac421ac431d03661d7174979e5779dec4af541e266f0ea26a19464724ba1
Tags
bazarloader dropper loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

7a21ac421ac431d03661d7174979e5779dec4af541e266f0ea26a19464724ba1

Threat Level: Known bad

The file 7a21ac421ac431d03661d7174979e5779dec4af541e266f0ea26a19464724ba1N was found to be: Known bad.

Malicious Activity Summary

bazarloader dropper loader

Bazar Loader

Bazar/Team9 Loader payload

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-10-13 18:29

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-13 18:29

Reported

2024-10-13 18:31

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\7a21ac421ac431d03661d7174979e5779dec4af541e266f0ea26a19464724ba1N.dll

Signatures

Bazar Loader

loader dropper bazarloader

Bazar/Team9 Loader payload

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

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\7a21ac421ac431d03661d7174979e5779dec4af541e266f0ea26a19464724ba1N.dll

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a21ac421ac431d03661d7174979e5779dec4af541e266f0ea26a19464724ba1N.dll,DllRegisterServer {94FB0DA7-B351-44F2-894B-DC91D1464A9F}

Network

Country Destination Domain Proto
US 8.8.8.8:53 microsoft.com udp
US 20.236.44.162:443 microsoft.com tcp
US 20.236.44.162:443 microsoft.com tcp
US 162.33.179.12:443 tcp
US 162.33.179.12:443 tcp
US 8.8.8.8:53 google.com udp
GB 172.217.169.14:443 google.com tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.178.3:80 c.pki.goog tcp
US 8.8.8.8:53 o.pki.goog udp
GB 142.250.178.3:80 o.pki.goog tcp

Files

memory/1756-0-0x0000000000160000-0x0000000000179000-memory.dmp

memory/1544-1-0x0000000000130000-0x0000000000149000-memory.dmp

memory/1544-2-0x0000000000130000-0x0000000000149000-memory.dmp

memory/1756-3-0x0000000000160000-0x0000000000179000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-13 18:29

Reported

2024-10-13 18:31

Platform

win10v2004-20241007-en

Max time kernel

96s

Max time network

117s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\7a21ac421ac431d03661d7174979e5779dec4af541e266f0ea26a19464724ba1N.dll

Signatures

Bazar Loader

loader dropper bazarloader

Bazar/Team9 Loader payload

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

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\7a21ac421ac431d03661d7174979e5779dec4af541e266f0ea26a19464724ba1N.dll

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a21ac421ac431d03661d7174979e5779dec4af541e266f0ea26a19464724ba1N.dll,DllRegisterServer {454C6754-64DE-4A36-A7B3-8BE448013B5A}

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 microsoft.com udp
US 20.112.250.133:443 microsoft.com tcp
US 8.8.8.8:53 www.microsoft.com udp
GB 2.23.205.233:443 www.microsoft.com tcp
US 8.8.8.8:53 133.250.112.20.in-addr.arpa udp
US 8.8.8.8:53 233.205.23.2.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 162.33.179.12:443 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/4028-0-0x0000000000C60000-0x0000000000C79000-memory.dmp

memory/2860-1-0x000002A2EAED0000-0x000002A2EAEE9000-memory.dmp

memory/2860-2-0x000002A2EAED0000-0x000002A2EAEE9000-memory.dmp

memory/4028-3-0x0000000000C60000-0x0000000000C79000-memory.dmp