Malware Analysis Report

2024-08-06 01:45

Sample ID 240414-3m5wyabe51
Target efc7ec79d32d3ff1bbccc437976190a0_JaffaCakes118
SHA256 f19ff4b1661df491dd1e3c5a70a16b1012b11c073e4f7e8908a82dd6abfeaf3b
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

f19ff4b1661df491dd1e3c5a70a16b1012b11c073e4f7e8908a82dd6abfeaf3b

Threat Level: Known bad

The file efc7ec79d32d3ff1bbccc437976190a0_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

2024-04-14 23:38

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-14 23:38

Reported

2024-04-14 23:41

Platform

win7-20240221-en

Max time kernel

127s

Max time network

133s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\efc7ec79d32d3ff1bbccc437976190a0_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\efc7ec79d32d3ff1bbccc437976190a0_JaffaCakes118.dll

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\efc7ec79d32d3ff1bbccc437976190a0_JaffaCakes118.dll,DllRegisterServer {5C56B1A8-2D3C-46FC-81AE-AE9F1225A162}

Network

Country Destination Domain Proto
DE 167.99.240.197:443 tcp
DE 167.99.240.197:443 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
DE 167.99.240.197:443 tcp
DE 167.99.240.197:443 tcp
DE 167.99.240.197:443 tcp
DE 167.99.240.197:443 tcp

Files

memory/2068-0-0x0000000001E90000-0x0000000001F82000-memory.dmp

memory/2892-1-0x0000000001B60000-0x0000000001C52000-memory.dmp

memory/2892-2-0x0000000001B60000-0x0000000001C52000-memory.dmp

memory/2068-3-0x0000000001E90000-0x0000000001F82000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-14 23:38

Reported

2024-04-14 23:41

Platform

win10v2004-20240226-en

Max time kernel

145s

Max time network

153s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\efc7ec79d32d3ff1bbccc437976190a0_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\efc7ec79d32d3ff1bbccc437976190a0_JaffaCakes118.dll

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\efc7ec79d32d3ff1bbccc437976190a0_JaffaCakes118.dll,DllRegisterServer {39C19A04-6A5D-4A3B-BAE4-575B616C0EB6}

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1400 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 80.192.122.92.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.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 20.112.250.133:443 microsoft.com tcp
DE 167.99.240.197:443 tcp
US 8.8.8.8:53 www.microsoft.com udp
NL 72.246.173.187:443 www.microsoft.com tcp
US 8.8.8.8:53 133.250.112.20.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 187.173.246.72.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 202.77.24.184.in-addr.arpa udp
DE 167.99.240.197:443 tcp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 172.217.169.74:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 74.169.217.172.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
DE 167.99.240.197:443 tcp
US 8.8.8.8:53 204.201.50.20.in-addr.arpa udp

Files

memory/4580-0-0x0000000002410000-0x0000000002502000-memory.dmp

memory/416-1-0x000002440C4E0000-0x000002440C5D2000-memory.dmp

memory/416-2-0x000002440C4E0000-0x000002440C5D2000-memory.dmp

memory/4580-3-0x0000000002410000-0x0000000002502000-memory.dmp