Malware Analysis Report

2024-10-23 17:37

Sample ID 231229-x71j3aegf3
Target 01c709203eddc996c2f3432661ba5316
SHA256 cbf60d6fa0473f1a0290e278479a1786daea784d7dc2a63198292f7a9ec1a2a1
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

cbf60d6fa0473f1a0290e278479a1786daea784d7dc2a63198292f7a9ec1a2a1

Threat Level: Known bad

The file 01c709203eddc996c2f3432661ba5316 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 19:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-29 19:30

Reported

2023-12-29 20:39

Platform

win7-20231215-en

Max time kernel

135s

Max time network

145s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\01c709203eddc996c2f3432661ba5316.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\01c709203eddc996c2f3432661ba5316.dll

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\01c709203eddc996c2f3432661ba5316.dll,StartW {0D6169FE-250E-4FB9-B223-AFDEF4F84334}

Network

Country Destination Domain Proto
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 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
NL 128.199.54.51:443 tcp

Files

memory/816-0-0x0000000001FB0000-0x000000000208C000-memory.dmp

memory/2704-1-0x0000000001D90000-0x0000000001E6C000-memory.dmp

memory/2704-2-0x0000000001D90000-0x0000000001E6C000-memory.dmp

memory/816-3-0x0000000001FB0000-0x000000000208C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-29 19:30

Reported

2023-12-29 20:39

Platform

win10v2004-20231222-en

Max time kernel

141s

Max time network

149s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\01c709203eddc996c2f3432661ba5316.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\01c709203eddc996c2f3432661ba5316.dll

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\01c709203eddc996c2f3432661ba5316.dll,StartW {956A17FA-769A-452E-A9E8-E38AB10F8CB6}

Network

Country Destination Domain Proto
US 8.8.8.8:53 18.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 45.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.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 41.110.16.96.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
GB 173.222.13.219:443 www.microsoft.com tcp
US 8.8.8.8:53 219.13.222.173.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 195.178.17.96.in-addr.arpa udp
NL 128.199.54.51:443 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 210.178.17.96.in-addr.arpa udp
NL 128.199.54.51:443 tcp

Files

memory/4008-0-0x0000000002310000-0x00000000023EC000-memory.dmp

memory/4968-1-0x0000019C9D610000-0x0000019C9D6EC000-memory.dmp

memory/4968-2-0x0000019C9D610000-0x0000019C9D6EC000-memory.dmp

memory/4008-3-0x0000000002310000-0x00000000023EC000-memory.dmp