Malware Analysis Report

2025-01-18 22:06

Sample ID 240503-nngheafe28
Target 1069dd84b359681af0b03831d821422d_JaffaCakes118
SHA256 799b2eae2424c9d5814bdd2a5a7f1aa8dadc632dd1d7385c0a1345d1ab73d5ee
Tags
adware evasion stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

799b2eae2424c9d5814bdd2a5a7f1aa8dadc632dd1d7385c0a1345d1ab73d5ee

Threat Level: Known bad

The file 1069dd84b359681af0b03831d821422d_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

adware evasion stealer trojan

UAC bypass

Checks whether UAC is enabled

Installs/modifies Browser Helper Object

Unsigned PE

Modifies registry class

System policy modification

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-03 11:32

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-03 11:32

Reported

2024-05-03 11:34

Platform

win7-20240215-en

Max time kernel

150s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1069dd84b359681af0b03831d821422d_JaffaCakes118.exe"

Signatures

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\1069dd84b359681af0b03831d821422d_JaffaCakes118.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\1069dd84b359681af0b03831d821422d_JaffaCakes118.exe N/A

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{47116BC9-D1CC-45CA-ACF2-C7EE52A61CDD} C:\Users\Admin\AppData\Local\Temp\1069dd84b359681af0b03831d821422d_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{47116BC9-D1CC-45CA-ACF2-C7EE52A61CDD}\InProcServer32 C:\Users\Admin\AppData\Local\Temp\1069dd84b359681af0b03831d821422d_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{47116BC9-D1CC-45CA-ACF2-C7EE52A61CDD}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\s32qijwi.txt" C:\Users\Admin\AppData\Local\Temp\1069dd84b359681af0b03831d821422d_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{47116BC9-D1CC-45CA-ACF2-C7EE52A61CDD}\InProcServer32\ThreadingModel = "Apartment" C:\Users\Admin\AppData\Local\Temp\1069dd84b359681af0b03831d821422d_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{47116BC9-D1CC-45CA-ACF2-C7EE52A61CDD} C:\Users\Admin\AppData\Local\Temp\1069dd84b359681af0b03831d821422d_JaffaCakes118.exe N/A

System policy modification

evasion
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System C:\Users\Admin\AppData\Local\Temp\1069dd84b359681af0b03831d821422d_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\1069dd84b359681af0b03831d821422d_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1069dd84b359681af0b03831d821422d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1069dd84b359681af0b03831d821422d_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 copacozinha.com.br udp

Files

memory/2484-0-0x00000000001B0000-0x00000000001B1000-memory.dmp

memory/2484-1-0x0000000002000000-0x0000000002065000-memory.dmp

memory/2484-3-0x0000000002000000-0x0000000002065000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-03 11:32

Reported

2024-05-03 11:35

Platform

win10v2004-20240226-en

Max time kernel

151s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1069dd84b359681af0b03831d821422d_JaffaCakes118.exe"

Signatures

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\1069dd84b359681af0b03831d821422d_JaffaCakes118.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\1069dd84b359681af0b03831d821422d_JaffaCakes118.exe N/A

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{47116BC9-D1CC-45CA-ACF2-C7EE52A61CDD} C:\Users\Admin\AppData\Local\Temp\1069dd84b359681af0b03831d821422d_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{47116BC9-D1CC-45CA-ACF2-C7EE52A61CDD} C:\Users\Admin\AppData\Local\Temp\1069dd84b359681af0b03831d821422d_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{47116BC9-D1CC-45CA-ACF2-C7EE52A61CDD}\InProcServer32 C:\Users\Admin\AppData\Local\Temp\1069dd84b359681af0b03831d821422d_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{47116BC9-D1CC-45CA-ACF2-C7EE52A61CDD}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\jvsje11d.txt" C:\Users\Admin\AppData\Local\Temp\1069dd84b359681af0b03831d821422d_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{47116BC9-D1CC-45CA-ACF2-C7EE52A61CDD}\InProcServer32\ThreadingModel = "Apartment" C:\Users\Admin\AppData\Local\Temp\1069dd84b359681af0b03831d821422d_JaffaCakes118.exe N/A

System policy modification

evasion
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System C:\Users\Admin\AppData\Local\Temp\1069dd84b359681af0b03831d821422d_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\1069dd84b359681af0b03831d821422d_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1069dd84b359681af0b03831d821422d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1069dd84b359681af0b03831d821422d_JaffaCakes118.exe"

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=3996 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 copacozinha.com.br udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 copacozinha.com.br udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 copacozinha.com.br udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 copacozinha.com.br udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 copacozinha.com.br udp
US 8.8.8.8:53 copacozinha.com.br udp
US 8.8.8.8:53 copacozinha.com.br udp
US 8.8.8.8:53 copacozinha.com.br udp
US 8.8.8.8:53 copacozinha.com.br udp
US 8.8.8.8:53 copacozinha.com.br udp
US 8.8.8.8:53 44.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 copacozinha.com.br udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 142.250.179.234:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 copacozinha.com.br udp
US 8.8.8.8:53 copacozinha.com.br udp
US 8.8.8.8:53 copacozinha.com.br udp
US 8.8.8.8:53 copacozinha.com.br udp
US 8.8.8.8:53 copacozinha.com.br udp
US 8.8.8.8:53 copacozinha.com.br udp
US 8.8.8.8:53 copacozinha.com.br udp
US 8.8.8.8:53 copacozinha.com.br udp
US 8.8.8.8:53 copacozinha.com.br udp
US 8.8.8.8:53 copacozinha.com.br udp
US 8.8.8.8:53 copacozinha.com.br udp
US 8.8.8.8:53 169.117.168.52.in-addr.arpa udp
US 8.8.8.8:53 copacozinha.com.br udp

Files

memory/1184-0-0x00000000009F0000-0x00000000009F1000-memory.dmp

memory/1184-1-0x0000000002000000-0x0000000002065000-memory.dmp

memory/1184-3-0x00000000009F0000-0x00000000009F1000-memory.dmp

memory/1184-5-0x0000000002000000-0x0000000002065000-memory.dmp

memory/1184-8-0x0000000002000000-0x0000000002065000-memory.dmp