Malware Analysis Report

2025-01-03 09:11

Sample ID 240620-lz2avawalq
Target 04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118
SHA256 7f7bb8fffc2894ce3389e338f01e56af535a45819f05a482988a773cc0c544d7
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

7f7bb8fffc2894ce3389e338f01e56af535a45819f05a482988a773cc0c544d7

Threat Level: Shows suspicious behavior

The file 04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Writes to the Master Boot Record (MBR)

Suspicious use of SetThreadContext

Unsigned PE

Modifies registry class

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 09:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 09:59

Reported

2024-06-20 10:01

Platform

win7-20240611-en

Max time kernel

122s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1700 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe
PID 1700 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe
PID 1700 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe
PID 1700 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe
PID 1700 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe
PID 1700 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe
PID 1700 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe
PID 1700 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe
PID 1700 wrote to memory of 0 N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe N/A
PID 1700 wrote to memory of 0 N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe N/A
PID 1700 wrote to memory of 0 N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe N/A
PID 1700 wrote to memory of 0 N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe"

Network

N/A

Files

memory/1700-0-0x0000000000400000-0x00000000004A3000-memory.dmp

memory/1700-1-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-9-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-33-0x0000000001D80000-0x0000000001D81000-memory.dmp

memory/1700-32-0x0000000001D80000-0x0000000001D81000-memory.dmp

memory/1700-31-0x0000000001D80000-0x0000000001D81000-memory.dmp

memory/1700-30-0x0000000001D80000-0x0000000001D81000-memory.dmp

memory/1700-29-0x0000000001D80000-0x0000000001D81000-memory.dmp

memory/1700-28-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-34-0x0000000001D80000-0x0000000001D81000-memory.dmp

memory/1700-27-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-26-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-25-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-24-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-23-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-22-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-21-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-20-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-19-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-18-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-35-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-45-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-44-0x0000000000340000-0x0000000000341000-memory.dmp

memory/1700-43-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-42-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-41-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-40-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-39-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-38-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-37-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-36-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-17-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-16-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-15-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-14-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-13-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-12-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-11-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-10-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-8-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-7-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-6-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-5-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-4-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-3-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-2-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1700-46-0x0000000000400000-0x00000000004A3000-memory.dmp

memory/1700-47-0x0000000001D60000-0x0000000001D61000-memory.dmp

memory/1700-50-0x0000000000401000-0x000000000042A000-memory.dmp

memory/3064-53-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3064-57-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1700-56-0x00000000036C0000-0x0000000003763000-memory.dmp

memory/1700-55-0x0000000000400000-0x00000000004A3000-memory.dmp

memory/3064-51-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3064-60-0x0000000010000000-0x0000000010013000-memory.dmp

memory/1700-61-0x00000000036C0000-0x0000000003763000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 09:59

Reported

2024-06-20 10:01

Platform

win10v2004-20240611-en

Max time kernel

140s

Max time network

103s

Command Line

"C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe"

Signatures

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2500 wrote to memory of 2416 N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe
PID 2500 wrote to memory of 2416 N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe
PID 2500 wrote to memory of 2416 N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe
PID 2500 wrote to memory of 2416 N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe
PID 2500 wrote to memory of 2416 N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe
PID 2500 wrote to memory of 2416 N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe
PID 2500 wrote to memory of 2416 N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe
PID 2500 wrote to memory of 0 N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe N/A
PID 2500 wrote to memory of 0 N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe N/A
PID 2500 wrote to memory of 0 N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe N/A
PID 2500 wrote to memory of 0 N/A C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\04f5ce5bca4de7d71c3bb64b13c41627_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/2500-0-0x0000000000400000-0x00000000004A3000-memory.dmp

memory/2500-1-0x0000000000400000-0x00000000004A3000-memory.dmp

memory/2500-53-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2416-57-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2416-59-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2500-63-0x0000000000400000-0x00000000004A3000-memory.dmp

memory/2416-62-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2500-65-0x0000000000400000-0x00000000004A3000-memory.dmp

memory/2500-61-0x0000000002190000-0x0000000002191000-memory.dmp

memory/2500-60-0x0000000000730000-0x0000000000731000-memory.dmp

memory/2500-55-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-52-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-51-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-50-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-49-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-48-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-47-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-46-0x00000000021B0000-0x00000000021B1000-memory.dmp

memory/2500-45-0x00000000021B0000-0x00000000021B1000-memory.dmp

memory/2500-44-0x00000000021B0000-0x00000000021B1000-memory.dmp

memory/2500-43-0x00000000021B0000-0x00000000021B1000-memory.dmp

memory/2500-42-0x00000000021B0000-0x00000000021B1000-memory.dmp

memory/2500-41-0x00000000021B0000-0x00000000021B1000-memory.dmp

memory/2500-40-0x00000000021B0000-0x00000000021B1000-memory.dmp

memory/2500-39-0x00000000021B0000-0x00000000021B1000-memory.dmp

memory/2500-38-0x00000000021B0000-0x00000000021B1000-memory.dmp

memory/2500-37-0x00000000021B0000-0x00000000021B1000-memory.dmp

memory/2500-36-0x00000000021B0000-0x00000000021B1000-memory.dmp

memory/2500-35-0x00000000021B0000-0x00000000021B1000-memory.dmp

memory/2500-34-0x00000000021B0000-0x00000000021B1000-memory.dmp

memory/2500-33-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-32-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-31-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-30-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-29-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-28-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-27-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-26-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-25-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-24-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-23-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-22-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-21-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-20-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-19-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-18-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-17-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-16-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-15-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-14-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-13-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-12-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-11-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-10-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-9-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-8-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-7-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-6-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-5-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-4-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-3-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2500-2-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/2416-68-0x0000000010000000-0x0000000010013000-memory.dmp