Malware Analysis Report

2024-10-23 17:37

Sample ID 231226-dcwsvabdgk
Target 4e02ce310c2b7a1cebb58714781de17a
SHA256 56772dca4331188918e3763a9e934e9c8e5994c06daf158f745419a4256dac91
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

56772dca4331188918e3763a9e934e9c8e5994c06daf158f745419a4256dac91

Threat Level: Known bad

The file 4e02ce310c2b7a1cebb58714781de17a was found to be: Known bad.

Malicious Activity Summary

bazarloader dropper loader

Bazar Loader

Bazar/Team9 Loader payload

Blocklisted process makes network request

Tries to connect to .bazar domain

Unexpected DNS network traffic destination

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-26 02:52

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-26 02:52

Reported

2023-12-27 05:09

Platform

win7-20231129-en

Max time kernel

138s

Max time network

148s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4e02ce310c2b7a1cebb58714781de17a.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

Tries to connect to .bazar domain

Description Indicator Process Target
N/A greencloud46a.bazar N/A N/A

Unexpected DNS network traffic destination

Description Indicator Process Target
Destination IP 134.195.4.2 N/A N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4e02ce310c2b7a1cebb58714781de17a.dll,#1

Network

Country Destination Domain Proto
US 18.237.101.6:443 tcp
US 18.237.101.6:443 tcp
US 34.214.86.190:443 tcp
US 34.214.86.190:443 tcp
RO 89.41.182.36:443 tcp
RO 89.41.182.36:443 tcp
NZ 185.99.133.101:443 tcp
NZ 185.99.133.101:443 tcp
US 134.195.4.2:53 greencloud46a.bazar udp
PA 186.73.40.224:443 tcp

Files

memory/2864-0-0x0000000001E70000-0x000000000206A000-memory.dmp

memory/2864-1-0x0000000001E70000-0x000000000206A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-26 02:52

Reported

2023-12-27 05:09

Platform

win10v2004-20231215-en

Max time kernel

140s

Max time network

147s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4e02ce310c2b7a1cebb58714781de17a.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

Tries to connect to .bazar domain

Description Indicator Process Target
N/A whitestorm9p.bazar N/A N/A
N/A whitestorm9p.bazar N/A N/A
N/A yellowdownpour81.bazar N/A N/A
N/A greencloud46a.bazar N/A N/A

Unexpected DNS network traffic destination

Description Indicator Process Target
Destination IP 134.195.4.2 N/A N/A
Destination IP 134.195.4.2 N/A N/A
Destination IP 134.195.4.2 N/A N/A
Destination IP 194.36.144.87 N/A N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4e02ce310c2b7a1cebb58714781de17a.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 82.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 18.237.101.6:443 tcp
US 8.8.8.8:53 4.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 34.214.86.190:443 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
RO 89.41.182.36:443 tcp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
NZ 185.99.133.101:443 tcp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 134.195.4.2:53 greencloud46a.bazar udp
PA 186.73.40.224:443 tcp
US 8.8.8.8:53 2.4.195.134.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 134.195.4.2:53 whitestorm9p.bazar udp
DE 194.36.144.87:53 whitestorm9p.bazar udp
PA 186.73.40.224:443 tcp
US 8.8.8.8:53 87.144.36.194.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.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 134.195.4.2:53 yellowdownpour81.bazar udp
PA 186.73.40.224:443 tcp

Files

memory/1664-0-0x00000233281B0000-0x00000233283AA000-memory.dmp

memory/1664-1-0x00000233281B0000-0x00000233283AA000-memory.dmp