Malware Analysis Report

2025-08-06 01:38

Sample ID 241016-3pmhdatarm
Target 4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118
SHA256 e10adff0f35eb340809499b82cb4f6ba628ab138b4dcd18924b003c94dd1bfc1
Tags
bootkit discovery 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

e10adff0f35eb340809499b82cb4f6ba628ab138b4dcd18924b003c94dd1bfc1

Threat Level: Shows suspicious behavior

The file 4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit discovery persistence

Writes to the Master Boot Record (MBR)

Suspicious use of SetThreadContext

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-16 23:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-16 23:41

Reported

2024-10-16 23:44

Platform

win7-20240708-en

Max time kernel

141s

Max time network

120s

Command Line

C:\Windows\Explorer.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\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2980 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2980 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2980 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2980 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2980 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2980 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2980 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2980 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2980 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2500 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2500 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2500 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2500 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2500 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2500 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2500 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2500 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2500 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2772 wrote to memory of 1200 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 2772 wrote to memory of 1200 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 2772 wrote to memory of 1200 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 2772 wrote to memory of 1200 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 2772 wrote to memory of 1200 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Windows\Explorer.EXE

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2980 -s 196

C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe"

Network

N/A

Files

memory/2500-16-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2980-14-0x00000000004C0000-0x00000000005C0000-memory.dmp

memory/2500-13-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2500-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2500-7-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2500-5-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2500-3-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2772-29-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2772-25-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2772-23-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2772-21-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2772-19-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2772-31-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2772-32-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2500-33-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2772-36-0x0000000000400000-0x000000000041D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-16 23:41

Reported

2024-10-16 23:44

Platform

win10v2004-20241007-en

Max time kernel

141s

Max time network

125s

Command Line

C:\Windows\Explorer.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\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2364 wrote to memory of 4612 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2364 wrote to memory of 4612 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2364 wrote to memory of 4612 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2364 wrote to memory of 4612 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2364 wrote to memory of 4612 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2364 wrote to memory of 4612 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2364 wrote to memory of 4612 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 2364 wrote to memory of 4612 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 4612 wrote to memory of 240 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 4612 wrote to memory of 240 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 4612 wrote to memory of 240 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 4612 wrote to memory of 240 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 4612 wrote to memory of 240 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 4612 wrote to memory of 240 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 4612 wrote to memory of 240 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 4612 wrote to memory of 240 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
PID 240 wrote to memory of 3584 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 240 wrote to memory of 3584 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 240 wrote to memory of 3584 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 240 wrote to memory of 3584 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 240 wrote to memory of 3584 N/A C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe C:\Windows\Explorer.EXE

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 104.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 5.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 99.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.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 150.171.28.10:443 tse1.mm.bing.net tcp
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 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/4612-3-0x0000000000400000-0x0000000000426000-memory.dmp

memory/4612-5-0x0000000000400000-0x0000000000426000-memory.dmp

memory/240-11-0x0000000000400000-0x000000000041D000-memory.dmp

memory/240-10-0x0000000000400000-0x000000000041D000-memory.dmp

memory/240-9-0x0000000000400000-0x000000000041D000-memory.dmp

memory/240-12-0x0000000000400000-0x000000000041D000-memory.dmp

memory/4612-13-0x0000000000400000-0x0000000000426000-memory.dmp

memory/240-16-0x0000000000400000-0x000000000041D000-memory.dmp

memory/4612-22-0x0000000000400000-0x0000000000426000-memory.dmp