Malware Analysis Report

2024-10-23 17:37

Sample ID 231229-yns7baffgp
Target 026459e39853c8e098a9348402412905
SHA256 4917fc69b99751780bc61bbacd2d767a594b527670e2dc0482c1d35d332834f0
Tags
bazarloader dropper loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

4917fc69b99751780bc61bbacd2d767a594b527670e2dc0482c1d35d332834f0

Threat Level: Known bad

The file 026459e39853c8e098a9348402412905 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

2023-12-29 19:56

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-29 19:56

Reported

2023-12-29 21:21

Platform

win10v2004-20231215-en

Max time kernel

148s

Max time network

163s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\026459e39853c8e098a9348402412905.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\026459e39853c8e098a9348402412905.dll

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\026459e39853c8e098a9348402412905.dll,DllRegisterServer {97B4A051-E646-4230-B862-39F7105C929C}

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 18.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 178.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 microsoft.com udp
US 20.112.250.133:443 microsoft.com tcp
DE 167.99.240.197:443 tcp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 133.250.112.20.in-addr.arpa udp
US 8.8.8.8:53 www.microsoft.com udp
PH 23.37.1.217:443 www.microsoft.com tcp
US 8.8.8.8:53 217.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 179.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
DE 167.99.240.197:443 tcp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 11.73.50.20.in-addr.arpa udp
US 8.8.8.8:53 183.1.37.23.in-addr.arpa udp
DE 167.99.240.197:443 tcp

Files

memory/3704-0-0x00000000022E0000-0x00000000023D2000-memory.dmp

memory/3520-1-0x000001A219DF0000-0x000001A219EE2000-memory.dmp

memory/3520-2-0x000001A219DF0000-0x000001A219EE2000-memory.dmp

memory/3704-3-0x00000000022E0000-0x00000000023D2000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-29 19:56

Reported

2023-12-29 21:22

Platform

win7-20231215-en

Max time kernel

119s

Max time network

122s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\026459e39853c8e098a9348402412905.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\026459e39853c8e098a9348402412905.dll

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\026459e39853c8e098a9348402412905.dll,DllRegisterServer {0194D30E-EE08-4FAB-ABC0-1DC2EE17F80A}

Network

Country Destination Domain Proto
US 8.8.8.8:53 microsoft.com udp
DE 167.99.240.197:443 tcp
US 20.112.250.133:443 microsoft.com tcp
US 20.112.250.133:443 microsoft.com tcp
DE 167.99.240.197:443 tcp
DE 167.99.240.197:443 tcp
DE 167.99.240.197:443 tcp

Files

memory/2080-0-0x0000000001DA0000-0x0000000001E92000-memory.dmp

memory/2256-1-0x0000000001B10000-0x0000000001C02000-memory.dmp

memory/2256-2-0x0000000001B10000-0x0000000001C02000-memory.dmp

memory/2080-3-0x0000000001DA0000-0x0000000001E92000-memory.dmp