Malware Analysis Report

2025-03-14 23:45

Sample ID 240407-xjfvrabd9x
Target e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118
SHA256 6aeb4f4609c221d9a3371d459ab5bb7c96c1ebca2fb4066c0cf2e4e207653ba7
Tags
bootkit persistence
score
7/10

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
7/10

SHA256

6aeb4f4609c221d9a3371d459ab5bb7c96c1ebca2fb4066c0cf2e4e207653ba7

Threat Level: Shows suspicious behavior

The file e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Executes dropped EXE

Loads dropped DLL

Writes to the Master Boot Record (MBR)

Drops file in System32 directory

Unsigned PE

Modifies registry class

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-07 18:52

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 18:52

Reported

2024-04-07 18:55

Platform

win7-20240221-en

Max time kernel

149s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification \??\PhysicalDrive0 C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification \??\PhysicalDrive0 C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification \??\PhysicalDrive0 C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification \??\PhysicalDrive0 C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification \??\PhysicalDrive0 C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification \??\PhysicalDrive0 C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe N/A
File opened for modification \??\PhysicalDrive0 C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification \??\PhysicalDrive0 C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification \??\PhysicalDrive0 C:\Windows\SysWOW64\lockx.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File created C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File created C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File created C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File created C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File created C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File created C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File created C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File created C:\Windows\SysWOW64\lockx.exe C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File created C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification C:\Windows\SysWOW64\lockx.exe C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Windows\SysWOW64\lockx.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Windows\SysWOW64\lockx.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Windows\SysWOW64\lockx.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Windows\SysWOW64\lockx.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Windows\SysWOW64\lockx.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Windows\SysWOW64\lockx.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Windows\SysWOW64\lockx.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Windows\SysWOW64\lockx.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Windows\SysWOW64\lockx.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Windows\SysWOW64\lockx.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Windows\SysWOW64\lockx.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 820 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe C:\Windows\SysWOW64\lockx.exe
PID 820 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe C:\Windows\SysWOW64\lockx.exe
PID 820 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe C:\Windows\SysWOW64\lockx.exe
PID 820 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe C:\Windows\SysWOW64\lockx.exe
PID 2652 wrote to memory of 2796 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2652 wrote to memory of 2796 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2652 wrote to memory of 2796 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2652 wrote to memory of 2796 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2796 wrote to memory of 1932 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2796 wrote to memory of 1932 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2796 wrote to memory of 1932 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2796 wrote to memory of 1932 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 1932 wrote to memory of 2312 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 1932 wrote to memory of 2312 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 1932 wrote to memory of 2312 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 1932 wrote to memory of 2312 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2312 wrote to memory of 2420 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2312 wrote to memory of 2420 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2312 wrote to memory of 2420 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2312 wrote to memory of 2420 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2420 wrote to memory of 1092 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2420 wrote to memory of 1092 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2420 wrote to memory of 1092 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2420 wrote to memory of 1092 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 1092 wrote to memory of 616 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 1092 wrote to memory of 616 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 1092 wrote to memory of 616 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 1092 wrote to memory of 616 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 616 wrote to memory of 2028 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 616 wrote to memory of 2028 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 616 wrote to memory of 2028 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 616 wrote to memory of 2028 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2028 wrote to memory of 2620 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2028 wrote to memory of 2620 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2028 wrote to memory of 2620 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2028 wrote to memory of 2620 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2620 wrote to memory of 1812 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2620 wrote to memory of 1812 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2620 wrote to memory of 1812 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2620 wrote to memory of 1812 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe"

C:\Windows\SysWOW64\lockx.exe

C:\Windows\system32\lockx.exe 216 "C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe"

C:\Windows\SysWOW64\lockx.exe

C:\Windows\system32\lockx.exe 212 "C:\Windows\SysWOW64\lockx.exe"

C:\Windows\SysWOW64\lockx.exe

C:\Windows\system32\lockx.exe 220 "C:\Windows\SysWOW64\lockx.exe"

C:\Windows\SysWOW64\lockx.exe

C:\Windows\system32\lockx.exe 224 "C:\Windows\SysWOW64\lockx.exe"

C:\Windows\SysWOW64\lockx.exe

C:\Windows\system32\lockx.exe 228 "C:\Windows\SysWOW64\lockx.exe"

C:\Windows\SysWOW64\lockx.exe

C:\Windows\system32\lockx.exe 232 "C:\Windows\SysWOW64\lockx.exe"

C:\Windows\SysWOW64\lockx.exe

C:\Windows\system32\lockx.exe 236 "C:\Windows\SysWOW64\lockx.exe"

C:\Windows\SysWOW64\lockx.exe

C:\Windows\system32\lockx.exe 240 "C:\Windows\SysWOW64\lockx.exe"

C:\Windows\SysWOW64\lockx.exe

C:\Windows\system32\lockx.exe 244 "C:\Windows\SysWOW64\lockx.exe"

C:\Windows\SysWOW64\lockx.exe

C:\Windows\system32\lockx.exe 248 "C:\Windows\SysWOW64\lockx.exe"

Network

N/A

Files

memory/820-0-0x0000000000400000-0x000000000054C000-memory.dmp

memory/820-1-0x0000000000260000-0x0000000000293000-memory.dmp

memory/820-5-0x0000000000330000-0x0000000000331000-memory.dmp

memory/820-4-0x0000000000220000-0x0000000000221000-memory.dmp

memory/820-3-0x0000000000230000-0x0000000000231000-memory.dmp

memory/820-6-0x0000000000320000-0x0000000000321000-memory.dmp

memory/820-2-0x00000000003E0000-0x00000000003E1000-memory.dmp

memory/820-7-0x00000000002D0000-0x00000000002D1000-memory.dmp

memory/820-8-0x0000000000240000-0x0000000000241000-memory.dmp

memory/820-9-0x00000000002B0000-0x00000000002B1000-memory.dmp

memory/820-26-0x0000000002350000-0x0000000002351000-memory.dmp

memory/820-29-0x0000000002370000-0x0000000002371000-memory.dmp

memory/820-30-0x00000000023B0000-0x00000000023B1000-memory.dmp

C:\Windows\SysWOW64\lockx.exe

MD5 e59ebe76a37a9e00d6f0f74419d67d4b
SHA1 b9646d0993933d54bae7669ce57c1f4f1c87a99e
SHA256 6aeb4f4609c221d9a3371d459ab5bb7c96c1ebca2fb4066c0cf2e4e207653ba7
SHA512 ca75706fec461449a8c8a7aab2d0363b3e9799d20274cf8253c74f73116f38ac83b9e2a7823fab1e5de31f57ac6388a072ef662a7c04a7fc7298a6ad061c9920

memory/820-37-0x00000000023A0000-0x00000000023A1000-memory.dmp

memory/820-39-0x00000000023D0000-0x00000000023D1000-memory.dmp

memory/820-27-0x0000000002380000-0x0000000002381000-memory.dmp

memory/820-25-0x0000000002360000-0x0000000002361000-memory.dmp

memory/820-68-0x00000000025A0000-0x00000000025A1000-memory.dmp

memory/820-67-0x00000000025B0000-0x00000000025B1000-memory.dmp

memory/820-66-0x0000000002580000-0x0000000002581000-memory.dmp

memory/2652-69-0x0000000001CE0000-0x0000000001D13000-memory.dmp

memory/820-65-0x0000000002590000-0x0000000002591000-memory.dmp

memory/820-64-0x0000000002560000-0x0000000002561000-memory.dmp

memory/2652-74-0x0000000002320000-0x0000000002321000-memory.dmp

memory/2652-73-0x0000000002300000-0x0000000002301000-memory.dmp

memory/2652-72-0x0000000001ED0000-0x0000000001ED1000-memory.dmp

memory/2652-71-0x0000000001EC0000-0x0000000001EC1000-memory.dmp

memory/2652-70-0x0000000001D60000-0x0000000001D61000-memory.dmp

memory/820-63-0x0000000002570000-0x0000000002571000-memory.dmp

memory/820-62-0x0000000002540000-0x0000000002541000-memory.dmp

memory/820-61-0x0000000002550000-0x0000000002551000-memory.dmp

memory/820-60-0x0000000002520000-0x0000000002521000-memory.dmp

memory/820-59-0x0000000002530000-0x0000000002531000-memory.dmp

memory/820-58-0x0000000002500000-0x0000000002501000-memory.dmp

memory/820-57-0x00000000024E0000-0x00000000024E1000-memory.dmp

memory/820-56-0x00000000024F0000-0x00000000024F1000-memory.dmp

memory/820-55-0x00000000024C0000-0x00000000024C1000-memory.dmp

memory/820-54-0x00000000024D0000-0x00000000024D1000-memory.dmp

memory/820-53-0x00000000024A0000-0x00000000024A1000-memory.dmp

memory/820-52-0x00000000024B0000-0x00000000024B1000-memory.dmp

memory/820-51-0x0000000002480000-0x0000000002481000-memory.dmp

memory/820-50-0x0000000002490000-0x0000000002491000-memory.dmp

memory/820-49-0x0000000002460000-0x0000000002461000-memory.dmp

memory/820-48-0x0000000002440000-0x0000000002441000-memory.dmp

memory/820-47-0x0000000002450000-0x0000000002451000-memory.dmp

memory/820-46-0x0000000002420000-0x0000000002421000-memory.dmp

memory/820-45-0x0000000002430000-0x0000000002431000-memory.dmp

memory/820-44-0x0000000002400000-0x0000000002401000-memory.dmp

memory/820-43-0x0000000002410000-0x0000000002411000-memory.dmp

memory/820-42-0x00000000023E0000-0x00000000023E1000-memory.dmp

memory/820-41-0x00000000023F0000-0x00000000023F1000-memory.dmp

memory/820-40-0x00000000023C0000-0x00000000023C1000-memory.dmp

memory/820-24-0x0000000002330000-0x0000000002331000-memory.dmp

memory/820-23-0x0000000002340000-0x0000000002341000-memory.dmp

memory/820-22-0x0000000002310000-0x0000000002311000-memory.dmp

memory/820-21-0x0000000002320000-0x0000000002321000-memory.dmp

memory/820-20-0x00000000022F0000-0x00000000022F1000-memory.dmp

memory/820-19-0x0000000002300000-0x0000000002301000-memory.dmp

memory/820-18-0x0000000001FB0000-0x0000000001FB1000-memory.dmp

memory/820-17-0x0000000001F70000-0x0000000001F71000-memory.dmp

memory/820-16-0x0000000001F60000-0x0000000001F61000-memory.dmp

memory/820-13-0x0000000001FA0000-0x0000000001FA1000-memory.dmp

memory/820-11-0x0000000001F90000-0x0000000001F93000-memory.dmp

memory/820-10-0x0000000001F50000-0x0000000001F51000-memory.dmp

memory/820-90-0x0000000000400000-0x000000000054C000-memory.dmp

memory/2652-97-0x0000000000400000-0x000000000054C000-memory.dmp

memory/2652-124-0x0000000000400000-0x000000000054C000-memory.dmp

memory/2796-129-0x0000000000400000-0x000000000054C000-memory.dmp

memory/2796-156-0x0000000000400000-0x000000000054C000-memory.dmp

memory/1932-162-0x0000000000400000-0x000000000054C000-memory.dmp

memory/2312-195-0x0000000000400000-0x000000000054C000-memory.dmp

memory/2312-219-0x0000000000400000-0x000000000054C000-memory.dmp

memory/2420-224-0x0000000000400000-0x000000000054C000-memory.dmp

memory/1092-251-0x0000000000400000-0x000000000054C000-memory.dmp

memory/616-282-0x0000000000400000-0x000000000054C000-memory.dmp

memory/2028-310-0x0000000000400000-0x000000000054C000-memory.dmp

memory/2028-333-0x0000000000400000-0x000000000054C000-memory.dmp

memory/2620-337-0x0000000000400000-0x000000000054C000-memory.dmp

memory/1812-364-0x0000000000400000-0x000000000054C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 18:52

Reported

2024-04-07 18:55

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Windows\SysWOW64\lockx.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\lockx.exe C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File created C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File created C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File created C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File created C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File created C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File created C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File created C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File created C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File created C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification C:\Windows\SysWOW64\lockx.exe C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A
File opened for modification C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Windows\SysWOW64\lockx.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Windows\SysWOW64\lockx.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Windows\SysWOW64\lockx.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Windows\SysWOW64\lockx.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Windows\SysWOW64\lockx.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Windows\SysWOW64\lockx.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Windows\SysWOW64\lockx.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Windows\SysWOW64\lockx.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Windows\SysWOW64\lockx.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Windows\SysWOW64\lockx.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1540 wrote to memory of 232 N/A C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe C:\Windows\SysWOW64\lockx.exe
PID 1540 wrote to memory of 232 N/A C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe C:\Windows\SysWOW64\lockx.exe
PID 1540 wrote to memory of 232 N/A C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe C:\Windows\SysWOW64\lockx.exe
PID 232 wrote to memory of 3576 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 232 wrote to memory of 3576 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 232 wrote to memory of 3576 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 3576 wrote to memory of 1532 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 3576 wrote to memory of 1532 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 3576 wrote to memory of 1532 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 1532 wrote to memory of 64 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 1532 wrote to memory of 64 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 1532 wrote to memory of 64 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 64 wrote to memory of 2604 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 64 wrote to memory of 2604 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 64 wrote to memory of 2604 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2604 wrote to memory of 5096 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2604 wrote to memory of 5096 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 2604 wrote to memory of 5096 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 5096 wrote to memory of 852 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 5096 wrote to memory of 852 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 5096 wrote to memory of 852 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 852 wrote to memory of 4868 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 852 wrote to memory of 4868 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 852 wrote to memory of 4868 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 4868 wrote to memory of 4904 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 4868 wrote to memory of 4904 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 4868 wrote to memory of 4904 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 4904 wrote to memory of 1744 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 4904 wrote to memory of 1744 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe
PID 4904 wrote to memory of 1744 N/A C:\Windows\SysWOW64\lockx.exe C:\Windows\SysWOW64\lockx.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe"

C:\Windows\SysWOW64\lockx.exe

C:\Windows\system32\lockx.exe 568 "C:\Users\Admin\AppData\Local\Temp\e59ebe76a37a9e00d6f0f74419d67d4b_JaffaCakes118.exe"

C:\Windows\SysWOW64\lockx.exe

C:\Windows\system32\lockx.exe 564 "C:\Windows\SysWOW64\lockx.exe"

C:\Windows\SysWOW64\lockx.exe

C:\Windows\system32\lockx.exe 528 "C:\Windows\SysWOW64\lockx.exe"

C:\Windows\SysWOW64\lockx.exe

C:\Windows\system32\lockx.exe 532 "C:\Windows\SysWOW64\lockx.exe"

C:\Windows\SysWOW64\lockx.exe

C:\Windows\system32\lockx.exe 536 "C:\Windows\SysWOW64\lockx.exe"

C:\Windows\SysWOW64\lockx.exe

C:\Windows\system32\lockx.exe 540 "C:\Windows\SysWOW64\lockx.exe"

C:\Windows\SysWOW64\lockx.exe

C:\Windows\system32\lockx.exe 544 "C:\Windows\SysWOW64\lockx.exe"

C:\Windows\SysWOW64\lockx.exe

C:\Windows\system32\lockx.exe 548 "C:\Windows\SysWOW64\lockx.exe"

C:\Windows\SysWOW64\lockx.exe

C:\Windows\system32\lockx.exe 552 "C:\Windows\SysWOW64\lockx.exe"

C:\Windows\SysWOW64\lockx.exe

C:\Windows\system32\lockx.exe 184 "C:\Windows\SysWOW64\lockx.exe"

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 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 130.118.77.104.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 92.16.208.104.in-addr.arpa udp

Files

memory/1540-0-0x0000000000400000-0x000000000054C000-memory.dmp

memory/1540-1-0x00000000022E0000-0x0000000002313000-memory.dmp

memory/1540-2-0x0000000002390000-0x0000000002391000-memory.dmp

memory/1540-3-0x00000000022A0000-0x00000000022A1000-memory.dmp

memory/1540-4-0x0000000000620000-0x0000000000621000-memory.dmp

memory/1540-6-0x0000000002350000-0x0000000002351000-memory.dmp

memory/1540-5-0x0000000002360000-0x0000000002361000-memory.dmp

memory/1540-7-0x0000000002340000-0x0000000002341000-memory.dmp

memory/1540-8-0x00000000022B0000-0x00000000022B1000-memory.dmp

memory/1540-9-0x0000000002370000-0x0000000002371000-memory.dmp

memory/1540-10-0x00000000023F0000-0x00000000023F3000-memory.dmp

memory/1540-12-0x00000000023C0000-0x00000000023C1000-memory.dmp

memory/1540-11-0x0000000002400000-0x0000000002401000-memory.dmp

memory/1540-13-0x00000000023D0000-0x00000000023D1000-memory.dmp

memory/1540-14-0x0000000002520000-0x0000000002521000-memory.dmp

memory/1540-18-0x0000000002560000-0x0000000002561000-memory.dmp

memory/1540-19-0x0000000002550000-0x0000000002551000-memory.dmp

memory/1540-21-0x0000000002570000-0x0000000002571000-memory.dmp

memory/1540-20-0x0000000002580000-0x0000000002581000-memory.dmp

memory/1540-22-0x00000000025A0000-0x00000000025A1000-memory.dmp

memory/1540-23-0x0000000002590000-0x0000000002591000-memory.dmp

memory/1540-28-0x00000000025B0000-0x00000000025B1000-memory.dmp

memory/1540-24-0x00000000025C0000-0x00000000025C1000-memory.dmp

C:\Windows\SysWOW64\lockx.exe

MD5 e59ebe76a37a9e00d6f0f74419d67d4b
SHA1 b9646d0993933d54bae7669ce57c1f4f1c87a99e
SHA256 6aeb4f4609c221d9a3371d459ab5bb7c96c1ebca2fb4066c0cf2e4e207653ba7
SHA512 ca75706fec461449a8c8a7aab2d0363b3e9799d20274cf8253c74f73116f38ac83b9e2a7823fab1e5de31f57ac6388a072ef662a7c04a7fc7298a6ad061c9920

memory/1540-29-0x00000000025E0000-0x00000000025E1000-memory.dmp

memory/1540-30-0x00000000025D0000-0x00000000025D1000-memory.dmp

memory/1540-31-0x0000000002610000-0x0000000002611000-memory.dmp

memory/1540-32-0x00000000025F0000-0x00000000025F1000-memory.dmp

memory/1540-33-0x0000000002630000-0x0000000002631000-memory.dmp

memory/1540-34-0x0000000002620000-0x0000000002621000-memory.dmp

memory/1540-35-0x0000000002650000-0x0000000002651000-memory.dmp

memory/1540-36-0x0000000002640000-0x0000000002641000-memory.dmp

memory/1540-37-0x0000000002670000-0x0000000002671000-memory.dmp

memory/1540-38-0x0000000002660000-0x0000000002661000-memory.dmp

memory/1540-39-0x0000000002690000-0x0000000002691000-memory.dmp

memory/1540-40-0x0000000002680000-0x0000000002681000-memory.dmp

memory/1540-41-0x00000000026B0000-0x00000000026B1000-memory.dmp

memory/1540-42-0x00000000026A0000-0x00000000026A1000-memory.dmp

memory/1540-44-0x00000000026F0000-0x00000000026F1000-memory.dmp

memory/1540-43-0x00000000026C0000-0x00000000026C1000-memory.dmp

memory/1540-45-0x00000000026E0000-0x00000000026E1000-memory.dmp

memory/1540-46-0x0000000002710000-0x0000000002711000-memory.dmp

memory/1540-47-0x0000000002700000-0x0000000002701000-memory.dmp

memory/1540-48-0x0000000002730000-0x0000000002731000-memory.dmp

memory/1540-49-0x0000000002720000-0x0000000002721000-memory.dmp

memory/1540-50-0x0000000002750000-0x0000000002751000-memory.dmp

memory/1540-51-0x0000000002740000-0x0000000002741000-memory.dmp

memory/1540-52-0x0000000002760000-0x0000000002761000-memory.dmp

memory/1540-53-0x0000000002790000-0x0000000002791000-memory.dmp

memory/1540-54-0x0000000002780000-0x0000000002781000-memory.dmp

memory/1540-55-0x00000000027B0000-0x00000000027B1000-memory.dmp

memory/1540-56-0x00000000027A0000-0x00000000027A1000-memory.dmp

memory/1540-58-0x00000000027C0000-0x00000000027C1000-memory.dmp

memory/1540-57-0x00000000027D0000-0x00000000027D1000-memory.dmp

memory/1540-59-0x00000000027F0000-0x00000000027F1000-memory.dmp

memory/1540-60-0x00000000027E0000-0x00000000027E1000-memory.dmp

memory/232-69-0x0000000002480000-0x0000000002481000-memory.dmp

memory/232-67-0x0000000002420000-0x0000000002421000-memory.dmp

memory/232-68-0x0000000002460000-0x0000000002461000-memory.dmp

memory/232-66-0x0000000002410000-0x0000000002411000-memory.dmp

memory/232-65-0x00000000023F0000-0x00000000023F1000-memory.dmp

memory/232-64-0x00000000023C0000-0x00000000023C1000-memory.dmp

memory/232-63-0x0000000002230000-0x0000000002231000-memory.dmp

memory/1540-62-0x0000000002800000-0x0000000002801000-memory.dmp

memory/1540-61-0x0000000002810000-0x0000000002811000-memory.dmp

memory/1540-85-0x0000000000400000-0x000000000054C000-memory.dmp

memory/232-89-0x0000000000400000-0x000000000054C000-memory.dmp

memory/3576-114-0x0000000000400000-0x000000000054C000-memory.dmp

memory/3576-124-0x0000000000400000-0x000000000054C000-memory.dmp

memory/1532-143-0x0000000000400000-0x000000000054C000-memory.dmp

memory/64-166-0x0000000000400000-0x000000000054C000-memory.dmp

memory/64-188-0x0000000000400000-0x000000000054C000-memory.dmp

memory/2604-193-0x0000000000400000-0x000000000054C000-memory.dmp

memory/5096-218-0x0000000000400000-0x000000000054C000-memory.dmp

memory/852-245-0x0000000000400000-0x000000000054C000-memory.dmp

memory/852-264-0x0000000000400000-0x000000000054C000-memory.dmp

memory/4868-268-0x0000000000400000-0x000000000054C000-memory.dmp

memory/4868-284-0x0000000000400000-0x000000000054C000-memory.dmp

memory/4904-286-0x0000000000400000-0x000000000054C000-memory.dmp

memory/4904-300-0x0000000000400000-0x000000000054C000-memory.dmp

memory/1744-302-0x0000000000400000-0x000000000054C000-memory.dmp