Malware Analysis Report

2025-01-03 09:27

Sample ID 240604-xqpq8sha78
Target 95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118
SHA256 13b49bc1cbf57c137b9770a376a03db35063076b80645e238e137f9458d9d9c4
Tags
bootkit persistence
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

13b49bc1cbf57c137b9770a376a03db35063076b80645e238e137f9458d9d9c4

Threat Level: Shows suspicious behavior

The file 95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Adds Run key to start application

Writes to the Master Boot Record (MBR)

Unsigned PE

Program crash

Suspicious use of AdjustPrivilegeToken

Modifies registry key

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-04 19:03

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-04 19:03

Reported

2024-06-04 19:06

Platform

win7-20240221-en

Max time kernel

141s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Live Messenger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe" C:\Windows\SysWOW64\reg.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe N/A

Modifies registry key

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\reg.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2936 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2936 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2936 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2936 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2936 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe C:\Windows\SysWOW64\reg.exe
PID 2936 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe C:\Windows\SysWOW64\reg.exe
PID 2936 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe C:\Windows\SysWOW64\reg.exe
PID 2936 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe C:\Windows\SysWOW64\reg.exe
PID 2936 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2936 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2936 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2936 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\q.bat

C:\Windows\SysWOW64\reg.exe

reg add HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "Microsoft Windows Live Messenger" /d C:\Users\Admin\AppData\Local\Temp\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 848

Network

Country Destination Domain Proto
US 8.8.8.8:53 agorasim.square7.ch udp
DE 162.55.0.137:80 agorasim.square7.ch tcp
US 8.8.8.8:53 www.google.com udp
GB 142.250.187.196:80 www.google.com tcp

Files

memory/2936-0-0x0000000000230000-0x0000000000231000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\q.bat

MD5 268463df59b797de469fe98cbb5fb0ae
SHA1 9e65632badc4fc26775d04043fe39de83182dffc
SHA256 ae451e24ed576e44fefa0b67d7b2316b09ab08c427ab3448052e9dd522e80ae5
SHA512 354201b720bf53a6a7ddc7afc6882479f27e03e16df7917be0f34d3f24c6d572cb805ee0900579a21df25a3866ffa11860e587b7639f3398f489e94b1d60a6e8

memory/2936-11-0x0000000000400000-0x0000000000538000-memory.dmp

memory/2936-13-0x0000000000230000-0x0000000000231000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-04 19:03

Reported

2024-06-04 19:06

Platform

win10v2004-20240426-en

Max time kernel

141s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Live Messenger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe" C:\Windows\SysWOW64\reg.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe N/A

Modifies registry key

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\reg.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\q.bat

C:\Windows\SysWOW64\reg.exe

reg add HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "Microsoft Windows Live Messenger" /d C:\Users\Admin\AppData\Local\Temp\95f0380a1e5d569bb7f2fc19793550c4_JaffaCakes118.exe /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 agorasim.square7.ch udp
DE 162.55.0.137:80 agorasim.square7.ch tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 www.google.com udp
GB 142.250.187.196:80 www.google.com tcp
US 8.8.8.8:53 137.0.55.162.in-addr.arpa udp
US 184.154.190.242:80 tcp
US 8.8.8.8:53 196.187.250.142.in-addr.arpa udp
GB 142.250.187.196:80 www.google.com tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 184.154.190.242:80 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
GB 142.250.187.196:80 www.google.com tcp
US 8.8.8.8:53 www.drunkchix.com udp
US 64.91.248.15:80 www.drunkchix.com tcp
US 8.8.8.8:53 ww12.drunkchix.com udp
US 8.8.8.8:53 15.248.91.64.in-addr.arpa udp
US 75.2.81.221:80 ww12.drunkchix.com tcp
GB 142.250.187.196:80 www.google.com tcp
US 64.91.248.15:80 www.drunkchix.com tcp
GB 142.250.187.196:80 www.google.com tcp
US 8.8.8.8:53 starcolors.com udp
US 164.90.244.158:80 starcolors.com tcp
US 8.8.8.8:53 perfectdomain.com udp
US 172.67.73.220:443 perfectdomain.com tcp
US 8.8.8.8:53 221.81.2.75.in-addr.arpa udp
US 8.8.8.8:53 158.244.90.164.in-addr.arpa udp
US 8.8.8.8:53 220.73.67.172.in-addr.arpa udp
US 8.8.8.8:53 67.169.217.172.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/1052-0-0x0000000000B20000-0x0000000000B21000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\q.bat

MD5 268463df59b797de469fe98cbb5fb0ae
SHA1 9e65632badc4fc26775d04043fe39de83182dffc
SHA256 ae451e24ed576e44fefa0b67d7b2316b09ab08c427ab3448052e9dd522e80ae5
SHA512 354201b720bf53a6a7ddc7afc6882479f27e03e16df7917be0f34d3f24c6d572cb805ee0900579a21df25a3866ffa11860e587b7639f3398f489e94b1d60a6e8

memory/1052-6-0x0000000000400000-0x0000000000538000-memory.dmp

memory/1052-7-0x0000000000400000-0x0000000000538000-memory.dmp

memory/1052-8-0x0000000000B20000-0x0000000000B21000-memory.dmp

memory/1052-16-0x0000000000400000-0x0000000000538000-memory.dmp

memory/1052-17-0x0000000000400000-0x0000000000538000-memory.dmp