Malware Analysis Report

2024-10-23 17:37

Sample ID 231227-dlwt7sdahp
Target 9f707b0475bc26052e6361028de31ad1
SHA256 8f5cae81860564252a76f268555d693b56d3ef96934a5f04caf6b3b367435e1c
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

8f5cae81860564252a76f268555d693b56d3ef96934a5f04caf6b3b367435e1c

Threat Level: Known bad

The file 9f707b0475bc26052e6361028de31ad1 was found to be: Known bad.

Malicious Activity Summary

bazarloader dropper loader

Bazar Loader

Bazar/Team9 Loader payload

Blocklisted process makes network request

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-27 03:06

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-27 03:06

Reported

2023-12-28 22:31

Platform

win7-20231129-en

Max time kernel

124s

Max time network

135s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f707b0475bc26052e6361028de31ad1.dll,#1

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

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f707b0475bc26052e6361028de31ad1.dll,#1

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f707b0475bc26052e6361028de31ad1.dll,#1 3624236814

Network

Country Destination Domain Proto
US 35.165.197.209:443 tcp
US 8.8.8.8:53 microsoft.com udp
US 20.112.250.133:443 microsoft.com tcp
US 20.112.250.133:443 microsoft.com tcp
US 35.165.197.209:443 tcp
US 35.165.197.209:443 tcp
US 35.165.197.209:443 tcp

Files

memory/2900-0-0x0000000000150000-0x0000000000164000-memory.dmp

memory/3016-7-0x0000000000260000-0x0000000000274000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-27 03:06

Reported

2023-12-28 22:32

Platform

win10v2004-20231222-en

Max time kernel

136s

Max time network

145s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f707b0475bc26052e6361028de31ad1.dll,#1

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

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f707b0475bc26052e6361028de31ad1.dll,#1

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f707b0475bc26052e6361028de31ad1.dll,#1 105180711

Network

Country Destination Domain Proto
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 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 microsoft.com udp
US 35.165.197.209:443 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 g.bing.com udp
US 8.8.8.8:53 21.53.126.40.in-addr.arpa udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 www.microsoft.com udp
US 8.8.8.8:53 201.178.17.96.in-addr.arpa 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 16.234.44.23.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 23.44.233.195:443 tcp
US 192.229.221.95:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 35.165.197.209:443 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/464-0-0x0000023F9BA50000-0x0000023F9BA64000-memory.dmp

memory/3840-7-0x0000020EE7C00000-0x0000020EE7C14000-memory.dmp