Malware Analysis Report

2024-10-19 02:59

Sample ID 231231-hnwz7saebn
Target 2c55e4a21797f201d9af90fb0e116d3d
SHA256 431f43dfd6254fb710e3bf37b506b2e81313ba4cefdde251777ca5a04f54d269
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

431f43dfd6254fb710e3bf37b506b2e81313ba4cefdde251777ca5a04f54d269

Threat Level: Known bad

The file 2c55e4a21797f201d9af90fb0e116d3d 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

2023-12-31 06:53

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-31 06:53

Reported

2024-01-02 11:40

Platform

win7-20231215-en

Max time kernel

122s

Max time network

127s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\2c55e4a21797f201d9af90fb0e116d3d.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\2c55e4a21797f201d9af90fb0e116d3d.dll

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\2c55e4a21797f201d9af90fb0e116d3d.dll,StartW {E3ACC67F-F067-4262-91B5-38EB4A702867}

Network

Country Destination Domain Proto
US 8.8.8.8:53 microsoft.com udp
US 20.112.250.133:443 microsoft.com tcp
NL 128.199.54.51:443 tcp
US 20.112.250.133:443 microsoft.com tcp
NL 128.199.54.51:443 tcp
NL 128.199.54.51:443 tcp
NL 128.199.54.51:443 tcp

Files

memory/1968-0-0x0000000001F00000-0x0000000001FDC000-memory.dmp

memory/2360-1-0x0000000001C60000-0x0000000001D3C000-memory.dmp

memory/2360-2-0x0000000001C60000-0x0000000001D3C000-memory.dmp

memory/1968-3-0x0000000001F00000-0x0000000001FDC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-31 06:53

Reported

2024-01-02 11:41

Platform

win10v2004-20231215-en

Max time kernel

150s

Max time network

172s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\2c55e4a21797f201d9af90fb0e116d3d.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\2c55e4a21797f201d9af90fb0e116d3d.dll

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\2c55e4a21797f201d9af90fb0e116d3d.dll,StartW {8561DE1B-0D80-4D4F-9159-EF3753026DAC}

Network

Country Destination Domain Proto
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 16.53.126.40.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 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 microsoft.com udp
NL 128.199.54.51:443 tcp
US 20.112.250.133:443 microsoft.com tcp
US 8.8.8.8:53 133.250.112.20.in-addr.arpa udp
US 8.8.8.8:53 www.microsoft.com udp
NL 104.80.229.162:443 www.microsoft.com tcp
US 8.8.8.8:53 162.229.80.104.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 85.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.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 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
NL 128.199.54.51:443 tcp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 32.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 210.143.182.52.in-addr.arpa udp
US 8.8.8.8:53 211.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 211.178.17.96.in-addr.arpa udp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp

Files

memory/1216-0-0x0000000002A00000-0x0000000002ADC000-memory.dmp

memory/1216-1-0x0000000002A00000-0x0000000002ADC000-memory.dmp

memory/8-2-0x000001CC643C0000-0x000001CC6449C000-memory.dmp

memory/8-3-0x000001CC643C0000-0x000001CC6449C000-memory.dmp