Malware Analysis Report

2025-03-15 05:45

Sample ID 240510-ywhesafb5z
Target 30d354604e2bccc3b3f74ed04b5fed2f_JaffaCakes118
SHA256 045bfefb4519921a296822cef5e7daeb74ef6fb4299e4f0f0317f04c6dae6e5e
Tags
aspackv2
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

045bfefb4519921a296822cef5e7daeb74ef6fb4299e4f0f0317f04c6dae6e5e

Threat Level: Shows suspicious behavior

The file 30d354604e2bccc3b3f74ed04b5fed2f_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

aspackv2

ASPack v2.12-2.42

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-10 20:08

Signatures

ASPack v2.12-2.42

aspackv2
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-10 20:08

Reported

2024-05-10 20:10

Platform

win10v2004-20240508-en

Max time kernel

93s

Max time network

97s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\30d354604e2bccc3b3f74ed04b5fed2f_JaffaCakes118.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4824 wrote to memory of 4820 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4824 wrote to memory of 4820 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4824 wrote to memory of 4820 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\30d354604e2bccc3b3f74ed04b5fed2f_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\30d354604e2bccc3b3f74ed04b5fed2f_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4820 -ip 4820

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4820 -s 604

Network

Country Destination Domain Proto
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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 17.14.97.104.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-10 20:08

Reported

2024-05-10 20:10

Platform

win7-20240419-en

Max time kernel

140s

Max time network

123s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\30d354604e2bccc3b3f74ed04b5fed2f_JaffaCakes118.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\30d354604e2bccc3b3f74ed04b5fed2f_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\30d354604e2bccc3b3f74ed04b5fed2f_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1988 -s 212

Network

N/A

Files

memory/1988-0-0x0000000000820000-0x0000000000940000-memory.dmp