Malware Analysis Report

2025-03-14 23:43

Sample ID 240407-xategsbb8w
Target e599894627173a3cd29c318cbe19482c_JaffaCakes118
SHA256 10c325e6a842b718b7794181bbf1fd758df3dd92ae286c15febb69b2560381a2
Tags
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

10c325e6a842b718b7794181bbf1fd758df3dd92ae286c15febb69b2560381a2

Threat Level: Shows suspicious behavior

The file e599894627173a3cd29c318cbe19482c_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

persistence

Adds Run key to start application

Drops file in System32 directory

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-07 18:39

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 18:39

Reported

2024-04-07 18:42

Platform

win7-20240221-en

Max time kernel

119s

Max time network

121s

Command Line

C:\Windows\Explorer.EXE

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Runonce = "C:\\Windows\\system32\\runouce.exe" C:\Users\Admin\AppData\Local\Temp\e599894627173a3cd29c318cbe19482c_JaffaCakes118.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\runouce.exe C:\Users\Admin\AppData\Local\Temp\e599894627173a3cd29c318cbe19482c_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\runouce.exe C:\Users\Admin\AppData\Local\Temp\e599894627173a3cd29c318cbe19482c_JaffaCakes118.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\e599894627173a3cd29c318cbe19482c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e599894627173a3cd29c318cbe19482c_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\e599894627173a3cd29c318cbe19482c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e599894627173a3cd29c318cbe19482c_JaffaCakes118.exe"

Network

N/A

Files

memory/2188-0-0x0000000001210000-0x000000000128F000-memory.dmp

memory/1272-3-0x0000000001D90000-0x0000000001D91000-memory.dmp

memory/1272-4-0x0000000001D90000-0x0000000001D91000-memory.dmp

memory/2076-1-0x0000000001210000-0x000000000128F000-memory.dmp

memory/2188-5-0x0000000001210000-0x000000000128F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 18:39

Reported

2024-04-07 18:42

Platform

win10v2004-20240319-en

Max time kernel

136s

Max time network

133s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e599894627173a3cd29c318cbe19482c_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\e599894627173a3cd29c318cbe19482c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e599894627173a3cd29c318cbe19482c_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4604 -ip 4604

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4604 -ip 4604

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 488

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3988 --field-trial-handle=3536,i,10914981530159316853,12381340356750224673,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/4604-0-0x00000000000A0000-0x000000000011F000-memory.dmp

memory/4604-1-0x00000000000A0000-0x000000000011F000-memory.dmp