Malware Analysis Report

2024-10-23 17:37

Sample ID 231220-r4hl7aefck
Target cbe21d2476581f644111521640d61ed5
SHA256 845eb9098b4a5b366d578fb665e6e14c24a1703fe7c6c3447def026acfac259d
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

845eb9098b4a5b366d578fb665e6e14c24a1703fe7c6c3447def026acfac259d

Threat Level: Known bad

The file cbe21d2476581f644111521640d61ed5 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

2023-12-20 14:44

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-20 14:44

Reported

2023-12-20 20:10

Platform

win7-20231215-en

Max time kernel

138s

Max time network

158s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\cbe21d2476581f644111521640d61ed5.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
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\cbe21d2476581f644111521640d61ed5.dll,#1

Network

Country Destination Domain Proto
DE 104.248.16.136:443 tcp
DE 104.248.16.136:443 tcp
DE 164.90.223.38:443 tcp
DE 164.90.223.38:443 tcp
DE 164.90.223.1:443 tcp

Files

memory/1712-0-0x0000000000180000-0x00000000001AA000-memory.dmp

memory/1712-1-0x0000000000180000-0x00000000001AA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-20 14:44

Reported

2023-12-20 20:09

Platform

win10v2004-20231215-en

Max time kernel

136s

Max time network

146s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\cbe21d2476581f644111521640d61ed5.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\cbe21d2476581f644111521640d61ed5.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 146.177.190.20.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 8.8.8.8:53 181.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 193.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
DE 104.248.16.136:443 tcp
DE 164.90.223.38:443 tcp

Files

memory/4396-0-0x000001BE1FE40000-0x000001BE1FE6A000-memory.dmp

memory/4396-1-0x000001BE1FE40000-0x000001BE1FE6A000-memory.dmp