Malware Analysis Report

2024-08-06 01:44

Sample ID 240411-j2a6bsfd36
Target ecf55422e419162d13d311df5560c939_JaffaCakes118
SHA256 75779a5a395a747bafd0004877b7da03b8a98a8183debd69efcfe9fc383c5aa8
Tags
bazarloader dropper loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

75779a5a395a747bafd0004877b7da03b8a98a8183debd69efcfe9fc383c5aa8

Threat Level: Known bad

The file ecf55422e419162d13d311df5560c939_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

bazarloader dropper loader

Bazar Loader

Bazar/Team9 Loader payload

Unsigned PE

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-11 08:09

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-11 08:09

Reported

2024-04-11 08:12

Platform

win7-20240319-en

Max time kernel

126s

Max time network

130s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ecf55422e419162d13d311df5560c939_JaffaCakes118.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\ecf55422e419162d13d311df5560c939_JaffaCakes118.dll

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\ecf55422e419162d13d311df5560c939_JaffaCakes118.dll,DllRegisterServer {F798AFE7-118A-4581-8E3E-E892DC5D6B28}

Network

Country Destination Domain Proto
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
GB 104.248.170.50:443 104.248.170.50 tcp
GB 104.248.170.182:443 tcp
GB 104.248.170.182:443 tcp
GB 104.248.170.182:443 tcp
GB 104.248.170.182:443 tcp
GB 104.248.170.182:443 tcp
GB 104.248.170.182:443 tcp
GB 104.248.170.182:443 tcp
GB 104.248.170.182:443 tcp
GB 104.248.170.182:443 tcp
GB 104.248.170.182:443 tcp
GB 104.248.170.182:443 tcp
GB 104.248.170.182:443 tcp

Files

memory/2496-0-0x00000000001B0000-0x00000000001D7000-memory.dmp

memory/1708-1-0x0000000000280000-0x00000000002A7000-memory.dmp

memory/1708-2-0x0000000000280000-0x00000000002A7000-memory.dmp

memory/2496-3-0x00000000001B0000-0x00000000001D7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-11 08:09

Reported

2024-04-11 08:12

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

157s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ecf55422e419162d13d311df5560c939_JaffaCakes118.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\ecf55422e419162d13d311df5560c939_JaffaCakes118.dll

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\ecf55422e419162d13d311df5560c939_JaffaCakes118.dll,DllRegisterServer {12CDE37C-5553-475B-B050-BA5223A6030F}

Network

Country Destination Domain Proto
US 138.91.171.81:80 tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 microsoft.com udp
US 20.112.250.133:443 microsoft.com tcp
GB 104.248.170.50:443 104.248.170.50 tcp
GB 104.248.170.182:443 tcp
GB 104.248.170.182:443 tcp
GB 104.248.170.182:443 tcp
US 8.8.8.8:53 www.microsoft.com udp
NL 72.246.173.187:443 www.microsoft.com tcp
US 8.8.8.8:53 50.170.248.104.in-addr.arpa udp
US 8.8.8.8:53 133.250.112.20.in-addr.arpa udp
US 8.8.8.8:53 182.170.248.104.in-addr.arpa udp
US 8.8.8.8:53 187.173.246.72.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
GB 104.248.170.182:443 tcp
GB 104.248.170.182:443 tcp
GB 104.248.170.182:443 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
GB 104.248.170.182:443 tcp
GB 104.248.170.182:443 tcp
GB 104.248.170.182:443 tcp
US 8.8.8.8:53 93.65.42.20.in-addr.arpa udp

Files

memory/2092-0-0x0000000002940000-0x0000000002967000-memory.dmp

memory/4396-1-0x00000217205E0000-0x0000021720607000-memory.dmp

memory/4396-2-0x00000217205E0000-0x0000021720607000-memory.dmp

memory/2092-3-0x0000000002940000-0x0000000002967000-memory.dmp