Malware Analysis Report

2025-01-03 09:24

Sample ID 240620-pphyas1gpk
Target 05ffaea7109aec4268aef7b307acd93e_JaffaCakes118
SHA256 ec0c3d7bb5b67da296df325aef058708d9f97e75a1e9cf69dbc93b49fa728562
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

ec0c3d7bb5b67da296df325aef058708d9f97e75a1e9cf69dbc93b49fa728562

Threat Level: Shows suspicious behavior

The file 05ffaea7109aec4268aef7b307acd93e_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

Writes to the Master Boot Record (MBR)

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 12:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 12:30

Reported

2024-06-20 12:32

Platform

win7-20240611-en

Max time kernel

9s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\05ffaea7109aec4268aef7b307acd93e_JaffaCakes118.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\0.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\05ffaea7109aec4268aef7b307acd93e_JaffaCakes118.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\05ffaea7109aec4268aef7b307acd93e_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\05ffaea7109aec4268aef7b307acd93e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\05ffaea7109aec4268aef7b307acd93e_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\0.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\0.exe

Network

N/A

Files

memory/1940-0-0x0000000001000000-0x0000000001085000-memory.dmp

memory/1940-1-0x00000000006E0000-0x0000000000723000-memory.dmp

memory/1940-7-0x0000000000240000-0x0000000000241000-memory.dmp

memory/1940-8-0x0000000000200000-0x0000000000201000-memory.dmp

memory/1940-6-0x0000000000250000-0x0000000000251000-memory.dmp

memory/1940-5-0x0000000000260000-0x0000000000261000-memory.dmp

memory/1940-4-0x0000000000160000-0x0000000000161000-memory.dmp

memory/1940-3-0x0000000000170000-0x0000000000171000-memory.dmp

memory/1940-2-0x0000000000530000-0x0000000000531000-memory.dmp

memory/1940-10-0x0000000000230000-0x0000000000231000-memory.dmp

memory/1940-12-0x0000000000880000-0x0000000000883000-memory.dmp

memory/1940-11-0x0000000000840000-0x0000000000841000-memory.dmp

memory/1940-9-0x0000000000280000-0x0000000000281000-memory.dmp

memory/1940-13-0x0000000000870000-0x0000000000871000-memory.dmp

memory/1940-20-0x0000000000D50000-0x0000000000D51000-memory.dmp

memory/1940-19-0x00000000009C0000-0x00000000009C1000-memory.dmp

memory/1940-23-0x0000000000E20000-0x0000000000E21000-memory.dmp

memory/1940-22-0x0000000000E30000-0x0000000000E31000-memory.dmp

memory/1940-21-0x0000000000D40000-0x0000000000D41000-memory.dmp

memory/1940-18-0x00000000009D0000-0x00000000009D1000-memory.dmp

memory/1940-17-0x00000000009E0000-0x00000000009E1000-memory.dmp

memory/1940-16-0x0000000000860000-0x0000000000861000-memory.dmp

memory/1940-15-0x0000000000850000-0x0000000000851000-memory.dmp

memory/1940-14-0x0000000000890000-0x0000000000891000-memory.dmp

\Users\Admin\AppData\Local\Temp\IXP000.TMP\0.exe

MD5 30954c07f3c7cb72c92f4162a5285135
SHA1 7b2b5cea454214be259580f513159e122dfb8cde
SHA256 0b9505df60f270a13796c56783d5e2a781b07a8bae1ced2c0dd73d571d6edaa6
SHA512 27a49a040019b8a53f0ba48c009f64f9927dc89357253b56987c05f6209ad0f403ff31e52336e6ab57b1e7b862ec65451eb7f7c093035f6779dc18983f495ff4

memory/1940-33-0x00000000028C0000-0x0000000002989000-memory.dmp

memory/1940-32-0x00000000028C0000-0x0000000002989000-memory.dmp

memory/2836-35-0x0000000000400000-0x00000000004C9000-memory.dmp

memory/1940-36-0x0000000001000000-0x0000000001085000-memory.dmp

memory/1940-38-0x00000000006E0000-0x0000000000723000-memory.dmp

memory/2836-41-0x0000000000400000-0x00000000004C9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 12:30

Reported

2024-06-20 12:32

Platform

win10v2004-20240508-en

Max time kernel

13s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\05ffaea7109aec4268aef7b307acd93e_JaffaCakes118.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\0.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\05ffaea7109aec4268aef7b307acd93e_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\05ffaea7109aec4268aef7b307acd93e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\05ffaea7109aec4268aef7b307acd93e_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\0.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\0.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/1812-0-0x0000000001000000-0x0000000001085000-memory.dmp

memory/1812-2-0x0000000001000000-0x0000000001085000-memory.dmp

memory/1812-1-0x000000000105D000-0x000000000105E000-memory.dmp

memory/1812-4-0x0000000001000000-0x0000000001085000-memory.dmp

memory/1812-3-0x0000000001000000-0x0000000001085000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\0.exe

MD5 30954c07f3c7cb72c92f4162a5285135
SHA1 7b2b5cea454214be259580f513159e122dfb8cde
SHA256 0b9505df60f270a13796c56783d5e2a781b07a8bae1ced2c0dd73d571d6edaa6
SHA512 27a49a040019b8a53f0ba48c009f64f9927dc89357253b56987c05f6209ad0f403ff31e52336e6ab57b1e7b862ec65451eb7f7c093035f6779dc18983f495ff4

memory/1812-11-0x0000000001000000-0x0000000001085000-memory.dmp

memory/1812-10-0x0000000001000000-0x0000000001085000-memory.dmp

memory/1692-12-0x0000000000400000-0x00000000004C9000-memory.dmp

memory/1812-17-0x000000000105D000-0x000000000105E000-memory.dmp