Malware Analysis Report

2025-01-18 21:39

Sample ID 240415-vzzaxsbh93
Target f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118
SHA256 cf2b8f08694e2367e1808294a680b695f029671212b8b1087166e33890cb6086
Tags
adware stealer
score
6/10

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
6/10

SHA256

cf2b8f08694e2367e1808294a680b695f029671212b8b1087166e33890cb6086

Threat Level: Shows suspicious behavior

The file f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

adware stealer

Installs/modifies Browser Helper Object

Drops file in Windows directory

Unsigned PE

Modifies registry class

Suspicious behavior: LoadsDriver

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-15 17:26

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-15 17:26

Reported

2024-04-15 17:28

Platform

win7-20240221-en

Max time kernel

119s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe"

Signatures

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{2E246FAE-8420-11D9-870D-000C2917DE7F}\ C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2E246FAE-8420-11D9-870D-000C2917DE7F} C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\WINDOWS\SYSTEM\Loader.dll C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F}\InprocServer32\ = "C:\\WINDOWS\\SYSTEM\\Loader.dll" C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F}\ProgID C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F}\Programmable\ C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F}\TypeLib C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F} C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F}\InprocServer32\ThreadingModel = "Apartment" C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F}\ProgID\ = "Loader.LoaderObj.1" C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F}\VersionIndependentProgID C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F}\ = "Loader Class" C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F}\Programmable C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F}\TypeLib\ = "{FA5E664F-F78C-407A-AC4C-F8DC7FF394B9}" C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F}\VersionIndependentProgID\ = "Loader.LoaderObj" C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe"

Network

N/A

Files

memory/2036-0-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2036-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2036-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2036-4-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2036-7-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2036-8-0x0000000000400000-0x0000000000409000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-15 17:26

Reported

2024-04-15 17:28

Platform

win10v2004-20240412-en

Max time kernel

147s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe"

Signatures

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2E246FAE-8420-11D9-870D-000C2917DE7F} C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2E246FAE-8420-11D9-870D-000C2917DE7F}\ C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\WINDOWS\SYSTEM\Loader.dll C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F}\VersionIndependentProgID C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F} C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F}\Programmable C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F}\VersionIndependentProgID\ = "Loader.LoaderObj" C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F}\InprocServer32\ = "C:\\WINDOWS\\SYSTEM\\Loader.dll" C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F}\Programmable\ C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F}\TypeLib\ = "{FA5E664F-F78C-407A-AC4C-F8DC7FF394B9}" C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F}\InprocServer32\ThreadingModel = "Apartment" C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F}\ProgID C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F}\ProgID\ = "Loader.LoaderObj.1" C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F}\TypeLib C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E246FAE-8420-11D9-870D-000C2917DE7F}\ = "Loader Class" C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe N/A

Suspicious behavior: LoadsDriver

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Processes

C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f197f7cc0a6f3b0a5b7e49acde0ab1da_JaffaCakes118.exe"

C:\Windows\System32\svchost.exe

C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv

Network

Country Destination Domain Proto
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 21.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 37.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 122.10.44.20.in-addr.arpa udp

Files

memory/3716-0-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3716-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3716-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3716-4-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3716-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3716-9-0x0000000000400000-0x0000000000409000-memory.dmp